test fixes and new product advisories work
This commit is contained in:
master
@@ -0,0 +1,396 @@
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using System.Reflection;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using StellaOps.TestKit.Traits;
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namespace StellaOps.TestKit.Analysis;
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/// <summary>
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/// Generates intent coverage reports from test assemblies.
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/// </summary>
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/// <remarks>
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/// The report generator scans assemblies for tests with Intent traits and produces
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/// coverage matrices showing distribution of intents across modules. This helps
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/// identify coverage gaps (e.g., 90% Operational, 2% Safety) and drive testing investment.
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///
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/// Usage:
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/// <code>
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/// var generator = new IntentCoverageReportGenerator();
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/// generator.AddAssembly(typeof(MyTests).Assembly);
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/// var report = generator.Generate();
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/// await report.WriteJsonAsync("intent-coverage.json");
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/// </code>
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/// </remarks>
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public sealed class IntentCoverageReportGenerator
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{
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private readonly List<Assembly> _assemblies = new();
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private readonly Dictionary<string, ModuleIntentStats> _moduleStats = new();
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/// <summary>
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/// Add an assembly to scan for intent-tagged tests.
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/// </summary>
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public void AddAssembly(Assembly assembly)
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{
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ArgumentNullException.ThrowIfNull(assembly);
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_assemblies.Add(assembly);
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}
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/// <summary>
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/// Add multiple assemblies to scan.
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/// </summary>
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public void AddAssemblies(IEnumerable<Assembly> assemblies)
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{
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foreach (var assembly in assemblies)
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{
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AddAssembly(assembly);
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}
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}
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/// <summary>
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/// Generate the intent coverage report.
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/// </summary>
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public IntentCoverageReport Generate()
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{
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_moduleStats.Clear();
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foreach (var assembly in _assemblies)
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{
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ScanAssembly(assembly);
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}
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var intents = TestIntents.All.ToDictionary(
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i => i,
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i => _moduleStats.Values.Sum(m => m.IntentCounts.GetValueOrDefault(i, 0)));
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var totalTests = _moduleStats.Values.Sum(m => m.TotalTests);
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var taggedTests = _moduleStats.Values.Sum(m => m.TaggedTests);
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var untaggedTests = totalTests - taggedTests;
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return new IntentCoverageReport
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{
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GeneratedAt = DateTimeOffset.UtcNow,
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TotalTests = totalTests,
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TaggedTests = taggedTests,
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UntaggedTests = untaggedTests,
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TagCoveragePercent = totalTests > 0 ? (double)taggedTests / totalTests * 100 : 0,
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IntentDistribution = intents,
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ModuleStats = _moduleStats.ToDictionary(
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kvp => kvp.Key,
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kvp => kvp.Value.ToReadOnly()),
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Warnings = GenerateWarnings(intents, totalTests, taggedTests)
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};
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}
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private void ScanAssembly(Assembly assembly)
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{
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var moduleName = ExtractModuleName(assembly);
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if (!_moduleStats.TryGetValue(moduleName, out var stats))
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{
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stats = new ModuleIntentStats { ModuleName = moduleName };
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_moduleStats[moduleName] = stats;
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}
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var testTypes = assembly.GetTypes()
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.Where(t => t.IsClass && !t.IsAbstract && HasTestMethods(t));
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foreach (var type in testTypes)
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{
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ScanType(type, stats);
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}
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}
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private static void ScanType(Type type, ModuleIntentStats stats)
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{
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// Check class-level intent attributes
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var classIntents = type.GetCustomAttributes<IntentAttribute>().ToList();
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var testMethods = type.GetMethods(BindingFlags.Public | BindingFlags.Instance)
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.Where(m => IsTestMethod(m));
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foreach (var method in testMethods)
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{
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stats.TotalTests++;
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var methodIntents = method.GetCustomAttributes<IntentAttribute>().ToList();
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var allIntents = classIntents.Concat(methodIntents).ToList();
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if (allIntents.Count > 0)
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{
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stats.TaggedTests++;
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foreach (var intent in allIntents)
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{
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stats.IntentCounts.TryGetValue(intent.Intent, out var count);
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stats.IntentCounts[intent.Intent] = count + 1;
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}
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if (allIntents.Any(i => !string.IsNullOrWhiteSpace(i.Rationale)))
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{
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stats.TestsWithRationale++;
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}
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}
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else
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{
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// Check for Trait-based intent
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var traitAttrs = method.GetCustomAttributes()
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.Where(a => a.GetType().Name == "TraitAttribute")
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.ToList();
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foreach (var attr in traitAttrs)
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{
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var nameProp = attr.GetType().GetProperty("Name");
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var valueProp = attr.GetType().GetProperty("Value");
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if (nameProp?.GetValue(attr) is string name &&
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valueProp?.GetValue(attr) is string value &&
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name == "Intent")
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{
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stats.TaggedTests++;
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stats.IntentCounts.TryGetValue(value, out var count);
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stats.IntentCounts[value] = count + 1;
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}
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}
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}
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}
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}
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private static bool HasTestMethods(Type type)
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{
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return type.GetMethods(BindingFlags.Public | BindingFlags.Instance)
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.Any(IsTestMethod);
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}
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private static bool IsTestMethod(MethodInfo method)
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{
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var attrs = method.GetCustomAttributes().Select(a => a.GetType().Name).ToHashSet();
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return attrs.Contains("FactAttribute") ||
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attrs.Contains("TheoryAttribute") ||
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attrs.Contains("TestAttribute");
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}
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private static string ExtractModuleName(Assembly assembly)
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{
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var name = assembly.GetName().Name ?? "Unknown";
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// Extract module from assembly name like "StellaOps.Policy.Tests"
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var parts = name.Split('.');
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if (parts.Length >= 2 && parts[0] == "StellaOps")
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{
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return parts[1];
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}
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return name;
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}
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private static List<string> GenerateWarnings(
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Dictionary<string, int> intents,
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int totalTests,
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int taggedTests)
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{
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var warnings = new List<string>();
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// Warn if less than 50% of tests are tagged
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if (totalTests > 0 && (double)taggedTests / totalTests < 0.5)
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{
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var percent = (double)taggedTests / totalTests * 100;
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warnings.Add($"Low intent coverage: only {percent:F1}% of tests have intent tags");
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}
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// Warn about intent imbalance
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var totalTagged = intents.Values.Sum();
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if (totalTagged > 10)
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{
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foreach (var (intent, count) in intents)
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{
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var percent = (double)count / totalTagged * 100;
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if (percent > 80)
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{
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warnings.Add($"Intent imbalance: {intent} accounts for {percent:F1}% of tagged tests");
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}
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else if (percent < 5 && intent is "Safety" or "Regulatory")
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{
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warnings.Add($"Critical intent underrepresented: {intent} is only {percent:F1}% of tagged tests");
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}
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}
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}
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// Warn if Safety is completely missing
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if (!intents.TryGetValue(TestIntents.Safety, out var safetyCount) || safetyCount == 0)
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{
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warnings.Add("No tests tagged with Safety intent");
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}
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return warnings;
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}
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private sealed class ModuleIntentStats
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{
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public required string ModuleName { get; init; }
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public int TotalTests { get; set; }
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public int TaggedTests { get; set; }
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public int TestsWithRationale { get; set; }
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public Dictionary<string, int> IntentCounts { get; } = new();
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public ModuleIntentStatsReadOnly ToReadOnly() => new()
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{
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ModuleName = ModuleName,
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TotalTests = TotalTests,
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TaggedTests = TaggedTests,
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TestsWithRationale = TestsWithRationale,
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TagCoveragePercent = TotalTests > 0 ? (double)TaggedTests / TotalTests * 100 : 0,
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IntentCounts = new Dictionary<string, int>(IntentCounts)
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};
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}
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}
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/// <summary>
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/// Intent coverage report output format.
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/// </summary>
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public sealed record IntentCoverageReport
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{
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/// <summary>
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/// When the report was generated.
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/// </summary>
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public required DateTimeOffset GeneratedAt { get; init; }
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/// <summary>
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/// Total number of test methods scanned.
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/// </summary>
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public required int TotalTests { get; init; }
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/// <summary>
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/// Number of tests with intent tags.
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/// </summary>
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public required int TaggedTests { get; init; }
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/// <summary>
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/// Number of tests without intent tags.
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/// </summary>
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public required int UntaggedTests { get; init; }
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/// <summary>
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/// Percentage of tests with intent tags (0-100).
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/// </summary>
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public required double TagCoveragePercent { get; init; }
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/// <summary>
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/// Count of tests per intent category.
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/// </summary>
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public required Dictionary<string, int> IntentDistribution { get; init; }
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/// <summary>
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/// Per-module statistics.
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/// </summary>
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public required Dictionary<string, ModuleIntentStatsReadOnly> ModuleStats { get; init; }
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/// <summary>
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/// Generated warnings about coverage gaps or imbalances.
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/// </summary>
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public required List<string> Warnings { get; init; }
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/// <summary>
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/// Write the report as JSON to a file.
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/// </summary>
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public async Task WriteJsonAsync(string filePath, CancellationToken ct = default)
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{
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var options = new JsonSerializerOptions
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{
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WriteIndented = true,
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PropertyNamingPolicy = JsonNamingPolicy.CamelCase
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};
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await using var stream = File.Create(filePath);
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await JsonSerializer.SerializeAsync(stream, this, options, ct);
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}
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/// <summary>
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/// Generate a markdown summary of the report.
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/// </summary>
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public string ToMarkdown()
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{
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var sb = new System.Text.StringBuilder();
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sb.AppendLine("# Intent Coverage Report");
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sb.AppendLine();
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sb.AppendLine($"Generated: {GeneratedAt:yyyy-MM-dd HH:mm:ss} UTC");
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sb.AppendLine();
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sb.AppendLine("## Summary");
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sb.AppendLine();
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sb.AppendLine($"- Total tests: {TotalTests}");
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sb.AppendLine($"- Tagged: {TaggedTests} ({TagCoveragePercent:F1}%)");
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sb.AppendLine($"- Untagged: {UntaggedTests}");
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sb.AppendLine();
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sb.AppendLine("## Intent Distribution");
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sb.AppendLine();
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sb.AppendLine("| Intent | Count | Percent |");
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sb.AppendLine("|--------|------:|--------:|");
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var total = IntentDistribution.Values.Sum();
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foreach (var (intent, count) in IntentDistribution.OrderByDescending(kvp => kvp.Value))
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{
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var percent = total > 0 ? (double)count / total * 100 : 0;
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sb.AppendLine($"| {intent} | {count} | {percent:F1}% |");
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}
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if (ModuleStats.Count > 0)
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{
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sb.AppendLine();
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sb.AppendLine("## Per-Module Coverage");
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sb.AppendLine();
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sb.AppendLine("| Module | Total | Tagged | Coverage |");
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sb.AppendLine("|--------|------:|-------:|---------:|");
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foreach (var (module, stats) in ModuleStats.OrderBy(kvp => kvp.Key))
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{
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sb.AppendLine($"| {module} | {stats.TotalTests} | {stats.TaggedTests} | {stats.TagCoveragePercent:F1}% |");
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}
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}
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if (Warnings.Count > 0)
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{
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sb.AppendLine();
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sb.AppendLine("## Warnings");
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sb.AppendLine();
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foreach (var warning in Warnings)
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{
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sb.AppendLine($"- {warning}");
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}
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}
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return sb.ToString();
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}
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}
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/// <summary>
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/// Read-only module intent statistics for report output.
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/// </summary>
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public sealed record ModuleIntentStatsReadOnly
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{
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/// <summary>
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/// Module name extracted from assembly.
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/// </summary>
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public required string ModuleName { get; init; }
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/// <summary>
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/// Total test count in module.
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/// </summary>
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public required int TotalTests { get; init; }
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/// <summary>
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/// Tests with intent tags.
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/// </summary>
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public required int TaggedTests { get; init; }
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/// <summary>
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/// Tests with rationale in their intent attribute.
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/// </summary>
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public required int TestsWithRationale { get; init; }
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/// <summary>
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/// Tag coverage percentage (0-100).
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/// </summary>
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public required double TagCoveragePercent { get; init; }
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/// <summary>
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/// Intent counts for this module.
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/// </summary>
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public required Dictionary<string, int> IntentCounts { get; init; }
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}
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@@ -27,7 +27,7 @@ namespace StellaOps.TestKit.Assertions;
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public static class SnapshotAssert
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{
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private static readonly bool UpdateSnapshotsMode =
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Environment.GetEnvironmentVariable("UPDATE_SNAPSHOTS") == "1";
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global::System.Environment.GetEnvironmentVariable("UPDATE_SNAPSHOTS") == "1";
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/// <summary>
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/// Asserts that the value matches the stored snapshot. If UPDATE_SNAPSHOTS=1, updates the snapshot.
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@@ -78,13 +78,13 @@ public abstract class ConnectorLiveSchemaTestBase : IAsyncLifetime
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/// Returns true if live tests are enabled.
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/// </summary>
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protected static bool IsEnabled =>
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Environment.GetEnvironmentVariable("STELLAOPS_LIVE_TESTS") == "true";
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global::System.Environment.GetEnvironmentVariable("STELLAOPS_LIVE_TESTS") == "true";
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/// <summary>
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/// Returns true if fixture auto-update is enabled.
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/// </summary>
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protected static bool IsAutoUpdateEnabled =>
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Environment.GetEnvironmentVariable("STELLAOPS_UPDATE_FIXTURES") == "true";
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global::System.Environment.GetEnvironmentVariable("STELLAOPS_UPDATE_FIXTURES") == "true";
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/// <summary>
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/// Optional request headers for live requests.
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@@ -182,7 +182,7 @@ public sealed class LiveTestAttribute : FactAttribute
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{
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public LiveTestAttribute()
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{
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if (Environment.GetEnvironmentVariable("STELLAOPS_LIVE_TESTS") != "true")
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if (global::System.Environment.GetEnvironmentVariable("STELLAOPS_LIVE_TESTS") != "true")
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{
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Skip = "Live tests are disabled. Set STELLAOPS_LIVE_TESTS=true to enable.";
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}
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@@ -197,7 +197,7 @@ public sealed class LiveTheoryAttribute : TheoryAttribute
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{
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public LiveTheoryAttribute()
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{
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if (Environment.GetEnvironmentVariable("STELLAOPS_LIVE_TESTS") != "true")
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if (global::System.Environment.GetEnvironmentVariable("STELLAOPS_LIVE_TESTS") != "true")
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{
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Skip = "Live tests are disabled. Set STELLAOPS_LIVE_TESTS=true to enable.";
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}
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@@ -120,7 +120,7 @@ public abstract class ConnectorParserTestBase<TRawModel, TNormalizedModel> : IDi
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/// </summary>
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protected void UpdateSnapshot(string fixtureFile, string expectedFile)
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{
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if (Environment.GetEnvironmentVariable("STELLAOPS_UPDATE_FIXTURES") != "true")
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if (global::System.Environment.GetEnvironmentVariable("STELLAOPS_UPDATE_FIXTURES") != "true")
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{
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throw new InvalidOperationException(
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"Set STELLAOPS_UPDATE_FIXTURES=true to update snapshots");
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@@ -16,7 +16,7 @@ public sealed class FixtureUpdater
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{
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_fixturesDirectory = fixturesDirectory;
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_httpClient = httpClient ?? throw new ArgumentNullException(nameof(httpClient));
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_enabled = Environment.GetEnvironmentVariable("STELLAOPS_UPDATE_FIXTURES") == "true";
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_enabled = global::System.Environment.GetEnvironmentVariable("STELLAOPS_UPDATE_FIXTURES") == "true";
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}
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/// <summary>
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||||
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@@ -0,0 +1,270 @@
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using System.Text.Json.Serialization;
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namespace StellaOps.TestKit.Environment;
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/// <summary>
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/// Defines an infrastructure profile for environment skew testing.
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/// </summary>
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/// <remarks>
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/// Environment skew tests validate that the system behaves consistently
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/// across different infrastructure configurations:
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/// - CPU architectures (x64, ARM64)
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/// - Network conditions (latency, packet loss)
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/// - Container runtimes (Docker, containerd, Podman)
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///
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/// Usage:
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/// <code>
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/// var profile = EnvironmentProfile.HighLatency;
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/// var runner = new SkewTestRunner();
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/// var report = await runner.RunAcrossProfiles(
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/// test: () => RunMyTest(),
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||||
/// profiles: [EnvironmentProfile.Standard, EnvironmentProfile.HighLatency]);
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||||
///
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||||
/// runner.AssertEquivalence(report, tolerance: 0.05);
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||||
/// </code>
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||||
/// </remarks>
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||||
public sealed record EnvironmentProfile
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||||
{
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||||
/// <summary>
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||||
/// Profile name for identification.
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||||
/// </summary>
|
||||
[JsonPropertyName("name")]
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||||
public required string Name { get; init; }
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||||
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||||
/// <summary>
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||||
/// CPU architecture profile.
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||||
/// </summary>
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||||
[JsonPropertyName("cpu")]
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||||
public CpuProfile Cpu { get; init; } = new();
|
||||
|
||||
/// <summary>
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||||
/// Network conditions profile.
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||||
/// </summary>
|
||||
[JsonPropertyName("network")]
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||||
public NetworkProfile Network { get; init; } = new();
|
||||
|
||||
/// <summary>
|
||||
/// Container runtime profile.
|
||||
/// </summary>
|
||||
[JsonPropertyName("runtime")]
|
||||
public ContainerRuntime Runtime { get; init; } = ContainerRuntime.Docker;
|
||||
|
||||
/// <summary>
|
||||
/// Additional environment variables.
|
||||
/// </summary>
|
||||
[JsonPropertyName("environmentVariables")]
|
||||
public Dictionary<string, string> EnvironmentVariables { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Resource limits.
|
||||
/// </summary>
|
||||
[JsonPropertyName("resourceLimits")]
|
||||
public ResourceLimits ResourceLimits { get; init; } = new();
|
||||
|
||||
#region Predefined Profiles
|
||||
|
||||
/// <summary>
|
||||
/// Standard profile: default Testcontainers, no network shaping.
|
||||
/// </summary>
|
||||
public static EnvironmentProfile Standard => new()
|
||||
{
|
||||
Name = "Standard",
|
||||
Cpu = new CpuProfile { Architecture = CpuArchitecture.X64 },
|
||||
Network = new NetworkProfile(),
|
||||
Runtime = ContainerRuntime.Docker
|
||||
};
|
||||
|
||||
/// <summary>
|
||||
/// High latency profile: 100ms added latency.
|
||||
/// </summary>
|
||||
public static EnvironmentProfile HighLatency => new()
|
||||
{
|
||||
Name = "HighLatency",
|
||||
Cpu = new CpuProfile { Architecture = CpuArchitecture.X64 },
|
||||
Network = new NetworkProfile { Latency = TimeSpan.FromMilliseconds(100) },
|
||||
Runtime = ContainerRuntime.Docker
|
||||
};
|
||||
|
||||
/// <summary>
|
||||
/// Low bandwidth profile: 10 Mbps limit.
|
||||
/// </summary>
|
||||
public static EnvironmentProfile LowBandwidth => new()
|
||||
{
|
||||
Name = "LowBandwidth",
|
||||
Cpu = new CpuProfile { Architecture = CpuArchitecture.X64 },
|
||||
Network = new NetworkProfile { BandwidthMbps = 10 },
|
||||
Runtime = ContainerRuntime.Docker
|
||||
};
|
||||
|
||||
/// <summary>
|
||||
/// Packet loss profile: 1% packet loss.
|
||||
/// </summary>
|
||||
public static EnvironmentProfile PacketLoss => new()
|
||||
{
|
||||
Name = "PacketLoss",
|
||||
Cpu = new CpuProfile { Architecture = CpuArchitecture.X64 },
|
||||
Network = new NetworkProfile { PacketLossRate = 0.01 },
|
||||
Runtime = ContainerRuntime.Docker
|
||||
};
|
||||
|
||||
/// <summary>
|
||||
/// ARM64 CPU profile (if available).
|
||||
/// </summary>
|
||||
public static EnvironmentProfile ArmCpu => new()
|
||||
{
|
||||
Name = "ArmCpu",
|
||||
Cpu = new CpuProfile { Architecture = CpuArchitecture.Arm64 },
|
||||
Network = new NetworkProfile(),
|
||||
Runtime = ContainerRuntime.Docker
|
||||
};
|
||||
|
||||
/// <summary>
|
||||
/// Resource-constrained profile: limited CPU and memory.
|
||||
/// </summary>
|
||||
public static EnvironmentProfile ResourceConstrained => new()
|
||||
{
|
||||
Name = "ResourceConstrained",
|
||||
Cpu = new CpuProfile { Architecture = CpuArchitecture.X64, CpuLimit = 0.5 },
|
||||
Network = new NetworkProfile(),
|
||||
Runtime = ContainerRuntime.Docker,
|
||||
ResourceLimits = new ResourceLimits { MemoryMb = 256, CpuCores = 1 }
|
||||
};
|
||||
|
||||
/// <summary>
|
||||
/// All predefined profiles for comprehensive testing.
|
||||
/// </summary>
|
||||
public static IReadOnlyList<EnvironmentProfile> All =>
|
||||
[
|
||||
Standard,
|
||||
HighLatency,
|
||||
LowBandwidth,
|
||||
PacketLoss,
|
||||
ResourceConstrained
|
||||
];
|
||||
|
||||
/// <summary>
|
||||
/// Network-focused profiles.
|
||||
/// </summary>
|
||||
public static IReadOnlyList<EnvironmentProfile> NetworkProfiles =>
|
||||
[
|
||||
Standard,
|
||||
HighLatency,
|
||||
LowBandwidth,
|
||||
PacketLoss
|
||||
];
|
||||
|
||||
#endregion
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// CPU architecture and limits.
|
||||
/// </summary>
|
||||
public sealed record CpuProfile
|
||||
{
|
||||
/// <summary>
|
||||
/// Target CPU architecture.
|
||||
/// </summary>
|
||||
[JsonPropertyName("architecture")]
|
||||
public CpuArchitecture Architecture { get; init; } = CpuArchitecture.X64;
|
||||
|
||||
/// <summary>
|
||||
/// CPU limit as a fraction (0.5 = 50% of one core).
|
||||
/// </summary>
|
||||
[JsonPropertyName("cpuLimit")]
|
||||
public double CpuLimit { get; init; } = 1.0;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Network conditions for testing.
|
||||
/// </summary>
|
||||
public sealed record NetworkProfile
|
||||
{
|
||||
/// <summary>
|
||||
/// Added network latency.
|
||||
/// </summary>
|
||||
[JsonPropertyName("latency")]
|
||||
public TimeSpan Latency { get; init; } = TimeSpan.Zero;
|
||||
|
||||
/// <summary>
|
||||
/// Packet loss rate (0.01 = 1%).
|
||||
/// </summary>
|
||||
[JsonPropertyName("packetLossRate")]
|
||||
public double PacketLossRate { get; init; } = 0;
|
||||
|
||||
/// <summary>
|
||||
/// Bandwidth limit in Mbps (0 = unlimited).
|
||||
/// </summary>
|
||||
[JsonPropertyName("bandwidthMbps")]
|
||||
public int BandwidthMbps { get; init; } = 0;
|
||||
|
||||
/// <summary>
|
||||
/// Jitter in milliseconds.
|
||||
/// </summary>
|
||||
[JsonPropertyName("jitterMs")]
|
||||
public int JitterMs { get; init; } = 0;
|
||||
|
||||
/// <summary>
|
||||
/// Whether this profile requires network shaping (tc/netem).
|
||||
/// </summary>
|
||||
[JsonIgnore]
|
||||
public bool RequiresNetworkShaping =>
|
||||
Latency > TimeSpan.Zero ||
|
||||
PacketLossRate > 0 ||
|
||||
BandwidthMbps > 0 ||
|
||||
JitterMs > 0;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Resource limits for containers.
|
||||
/// </summary>
|
||||
public sealed record ResourceLimits
|
||||
{
|
||||
/// <summary>
|
||||
/// Memory limit in MB.
|
||||
/// </summary>
|
||||
[JsonPropertyName("memoryMb")]
|
||||
public int MemoryMb { get; init; } = 0;
|
||||
|
||||
/// <summary>
|
||||
/// CPU cores limit.
|
||||
/// </summary>
|
||||
[JsonPropertyName("cpuCores")]
|
||||
public int CpuCores { get; init; } = 0;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// CPU architecture options.
|
||||
/// </summary>
|
||||
public enum CpuArchitecture
|
||||
{
|
||||
/// <summary>
|
||||
/// x86-64 architecture.
|
||||
/// </summary>
|
||||
X64,
|
||||
|
||||
/// <summary>
|
||||
/// ARM 64-bit architecture.
|
||||
/// </summary>
|
||||
Arm64
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Container runtime options.
|
||||
/// </summary>
|
||||
public enum ContainerRuntime
|
||||
{
|
||||
/// <summary>
|
||||
/// Docker runtime.
|
||||
/// </summary>
|
||||
Docker,
|
||||
|
||||
/// <summary>
|
||||
/// containerd runtime.
|
||||
/// </summary>
|
||||
Containerd,
|
||||
|
||||
/// <summary>
|
||||
/// Podman runtime.
|
||||
/// </summary>
|
||||
Podman
|
||||
}
|
||||
398
src/__Libraries/StellaOps.TestKit/Environment/SkewTestRunner.cs
Normal file
398
src/__Libraries/StellaOps.TestKit/Environment/SkewTestRunner.cs
Normal file
@@ -0,0 +1,398 @@
|
||||
using System.Text;
|
||||
using System.Text.Json;
|
||||
using System.Text.Json.Serialization;
|
||||
|
||||
namespace StellaOps.TestKit.Environment;
|
||||
|
||||
/// <summary>
|
||||
/// Runs tests across different environment profiles and compares results.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// The skew test runner executes the same test across multiple environment
|
||||
/// profiles and validates that results are equivalent within tolerance.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var runner = new SkewTestRunner();
|
||||
/// var report = await runner.RunAcrossProfiles(
|
||||
/// test: async () =>
|
||||
/// {
|
||||
/// var result = await MyService.ProcessRequest();
|
||||
/// return new TestResult { Value = result.Value, DurationMs = timer.ElapsedMilliseconds };
|
||||
/// },
|
||||
/// profiles: EnvironmentProfile.NetworkProfiles);
|
||||
///
|
||||
/// runner.AssertEquivalence(report, tolerance: 0.05);
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public sealed class SkewTestRunner
|
||||
{
|
||||
/// <summary>
|
||||
/// Runs a test across multiple environment profiles.
|
||||
/// </summary>
|
||||
/// <param name="test">The test to execute.</param>
|
||||
/// <param name="profiles">Environment profiles to test against.</param>
|
||||
/// <returns>Report comparing results across profiles.</returns>
|
||||
public async Task<SkewReport> RunAcrossProfiles(
|
||||
Func<Task<TestResult>> test,
|
||||
IEnumerable<EnvironmentProfile> profiles)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(test);
|
||||
ArgumentNullException.ThrowIfNull(profiles);
|
||||
|
||||
var profileList = profiles.ToList();
|
||||
var results = new List<ProfileTestResult>();
|
||||
|
||||
foreach (var profile in profileList)
|
||||
{
|
||||
var profileResult = await RunWithProfile(test, profile);
|
||||
results.Add(profileResult);
|
||||
}
|
||||
|
||||
return new SkewReport
|
||||
{
|
||||
GeneratedAt = DateTimeOffset.UtcNow,
|
||||
ProfileCount = profileList.Count,
|
||||
Results = results,
|
||||
HasSkew = DetectSkew(results),
|
||||
Summary = GenerateSummary(results)
|
||||
};
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Runs a test multiple times within a single profile for variance analysis.
|
||||
/// </summary>
|
||||
public async Task<ProfileTestResult> RunWithProfile(
|
||||
Func<Task<TestResult>> test,
|
||||
EnvironmentProfile profile,
|
||||
int iterations = 3)
|
||||
{
|
||||
var results = new List<TestResult>();
|
||||
var startTime = DateTimeOffset.UtcNow;
|
||||
|
||||
for (int i = 0; i < iterations; i++)
|
||||
{
|
||||
try
|
||||
{
|
||||
// Apply profile settings (in a real implementation, this would configure containers)
|
||||
await ApplyProfile(profile);
|
||||
|
||||
var result = await test();
|
||||
result.ProfileName = profile.Name;
|
||||
result.Iteration = i;
|
||||
results.Add(result);
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
results.Add(new TestResult
|
||||
{
|
||||
ProfileName = profile.Name,
|
||||
Iteration = i,
|
||||
Success = false,
|
||||
ErrorMessage = ex.Message
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
return new ProfileTestResult
|
||||
{
|
||||
Profile = profile,
|
||||
Results = results,
|
||||
AverageValue = results.Where(r => r.Success).Average(r => r.Value),
|
||||
AverageDurationMs = results.Where(r => r.Success).Average(r => r.DurationMs),
|
||||
SuccessRate = (double)results.Count(r => r.Success) / results.Count,
|
||||
StartedAt = startTime,
|
||||
CompletedAt = DateTimeOffset.UtcNow
|
||||
};
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that results are equivalent across profiles within tolerance.
|
||||
/// </summary>
|
||||
/// <param name="report">The skew report to validate.</param>
|
||||
/// <param name="tolerance">Maximum allowed variance as a fraction (0.05 = 5%).</param>
|
||||
/// <exception cref="SkewAssertException">Thrown when skew exceeds tolerance.</exception>
|
||||
public void AssertEquivalence(SkewReport report, double tolerance = 0.05)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(report);
|
||||
|
||||
if (report.Results.Count < 2)
|
||||
{
|
||||
return; // Nothing to compare
|
||||
}
|
||||
|
||||
var successfulResults = report.Results
|
||||
.Where(r => r.SuccessRate > 0)
|
||||
.ToList();
|
||||
|
||||
if (successfulResults.Count < 2)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
// Calculate variance in values
|
||||
var avgValues = successfulResults.Select(r => r.AverageValue).ToList();
|
||||
var meanValue = avgValues.Average();
|
||||
var maxDeviation = avgValues.Max(v => Math.Abs(v - meanValue) / meanValue);
|
||||
|
||||
if (maxDeviation > tolerance)
|
||||
{
|
||||
throw new SkewAssertException(
|
||||
$"Value skew detected: maximum deviation {maxDeviation:P1} exceeds tolerance {tolerance:P1}. " +
|
||||
$"Profile values: {string.Join(", ", successfulResults.Select(r => $"{r.Profile.Name}={r.AverageValue:F2}"))}");
|
||||
}
|
||||
|
||||
// Calculate variance in success rates
|
||||
var minSuccessRate = successfulResults.Min(r => r.SuccessRate);
|
||||
var maxSuccessRate = successfulResults.Max(r => r.SuccessRate);
|
||||
|
||||
if (maxSuccessRate - minSuccessRate > tolerance)
|
||||
{
|
||||
throw new SkewAssertException(
|
||||
$"Success rate skew detected: range {minSuccessRate:P1} to {maxSuccessRate:P1} exceeds tolerance {tolerance:P1}. " +
|
||||
$"Profile rates: {string.Join(", ", successfulResults.Select(r => $"{r.Profile.Name}={r.SuccessRate:P1}"))}");
|
||||
}
|
||||
}
|
||||
|
||||
private static async Task ApplyProfile(EnvironmentProfile profile)
|
||||
{
|
||||
// In a real implementation, this would:
|
||||
// 1. Configure network shaping via tc/netem
|
||||
// 2. Set resource limits via cgroups
|
||||
// 3. Configure container runtime settings
|
||||
|
||||
// Simulate profile application delay
|
||||
if (profile.Network.RequiresNetworkShaping)
|
||||
{
|
||||
await Task.Delay(1); // Placeholder
|
||||
}
|
||||
}
|
||||
|
||||
private static bool DetectSkew(List<ProfileTestResult> results)
|
||||
{
|
||||
if (results.Count < 2) return false;
|
||||
|
||||
var successfulResults = results.Where(r => r.SuccessRate > 0).ToList();
|
||||
if (successfulResults.Count < 2) return false;
|
||||
|
||||
var avgValues = successfulResults.Select(r => r.AverageValue).ToList();
|
||||
var meanValue = avgValues.Average();
|
||||
var variance = avgValues.Sum(v => Math.Pow(v - meanValue, 2)) / avgValues.Count;
|
||||
var stdDev = Math.Sqrt(variance);
|
||||
var coefficientOfVariation = meanValue > 0 ? stdDev / meanValue : 0;
|
||||
|
||||
// Skew detected if coefficient of variation > 10%
|
||||
return coefficientOfVariation > 0.1;
|
||||
}
|
||||
|
||||
private static string GenerateSummary(List<ProfileTestResult> results)
|
||||
{
|
||||
if (results.Count == 0) return "No results";
|
||||
|
||||
var sb = new StringBuilder();
|
||||
sb.AppendLine($"Tested {results.Count} profiles:");
|
||||
|
||||
foreach (var result in results)
|
||||
{
|
||||
sb.AppendLine($" - {result.Profile.Name}: " +
|
||||
$"avg={result.AverageValue:F2}, " +
|
||||
$"duration={result.AverageDurationMs:F0}ms, " +
|
||||
$"success={result.SuccessRate:P0}");
|
||||
}
|
||||
|
||||
return sb.ToString();
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Result of a single test execution.
|
||||
/// </summary>
|
||||
public sealed class TestResult
|
||||
{
|
||||
/// <summary>
|
||||
/// Profile used for this test.
|
||||
/// </summary>
|
||||
[JsonPropertyName("profileName")]
|
||||
public string ProfileName { get; set; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Iteration number within the profile.
|
||||
/// </summary>
|
||||
[JsonPropertyName("iteration")]
|
||||
public int Iteration { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Whether the test succeeded.
|
||||
/// </summary>
|
||||
[JsonPropertyName("success")]
|
||||
public bool Success { get; init; } = true;
|
||||
|
||||
/// <summary>
|
||||
/// Numeric result value for comparison.
|
||||
/// </summary>
|
||||
[JsonPropertyName("value")]
|
||||
public double Value { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Test duration in milliseconds.
|
||||
/// </summary>
|
||||
[JsonPropertyName("durationMs")]
|
||||
public long DurationMs { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Error message if the test failed.
|
||||
/// </summary>
|
||||
[JsonPropertyName("errorMessage")]
|
||||
public string? ErrorMessage { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Additional metadata.
|
||||
/// </summary>
|
||||
[JsonPropertyName("metadata")]
|
||||
public Dictionary<string, object> Metadata { get; init; } = [];
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Results for a specific profile.
|
||||
/// </summary>
|
||||
public sealed class ProfileTestResult
|
||||
{
|
||||
/// <summary>
|
||||
/// The profile used.
|
||||
/// </summary>
|
||||
[JsonPropertyName("profile")]
|
||||
public required EnvironmentProfile Profile { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Individual test results.
|
||||
/// </summary>
|
||||
[JsonPropertyName("results")]
|
||||
public List<TestResult> Results { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Average value across iterations.
|
||||
/// </summary>
|
||||
[JsonPropertyName("averageValue")]
|
||||
public double AverageValue { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Average duration in milliseconds.
|
||||
/// </summary>
|
||||
[JsonPropertyName("averageDurationMs")]
|
||||
public double AverageDurationMs { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Success rate (0 to 1).
|
||||
/// </summary>
|
||||
[JsonPropertyName("successRate")]
|
||||
public double SuccessRate { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// When testing started.
|
||||
/// </summary>
|
||||
[JsonPropertyName("startedAt")]
|
||||
public DateTimeOffset StartedAt { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// When testing completed.
|
||||
/// </summary>
|
||||
[JsonPropertyName("completedAt")]
|
||||
public DateTimeOffset CompletedAt { get; init; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Report comparing results across environment profiles.
|
||||
/// </summary>
|
||||
public sealed class SkewReport
|
||||
{
|
||||
/// <summary>
|
||||
/// When the report was generated.
|
||||
/// </summary>
|
||||
[JsonPropertyName("generatedAt")]
|
||||
public DateTimeOffset GeneratedAt { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Number of profiles tested.
|
||||
/// </summary>
|
||||
[JsonPropertyName("profileCount")]
|
||||
public int ProfileCount { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Results for each profile.
|
||||
/// </summary>
|
||||
[JsonPropertyName("results")]
|
||||
public List<ProfileTestResult> Results { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Whether significant skew was detected.
|
||||
/// </summary>
|
||||
[JsonPropertyName("hasSkew")]
|
||||
public bool HasSkew { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Human-readable summary.
|
||||
/// </summary>
|
||||
[JsonPropertyName("summary")]
|
||||
public string Summary { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Serializes the report to JSON.
|
||||
/// </summary>
|
||||
public string ToJson()
|
||||
{
|
||||
var options = new JsonSerializerOptions
|
||||
{
|
||||
WriteIndented = true,
|
||||
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
|
||||
};
|
||||
return JsonSerializer.Serialize(this, options);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates a Markdown summary.
|
||||
/// </summary>
|
||||
public string ToMarkdown()
|
||||
{
|
||||
var sb = new StringBuilder();
|
||||
|
||||
sb.AppendLine("# Environment Skew Report");
|
||||
sb.AppendLine();
|
||||
sb.AppendLine($"**Generated:** {GeneratedAt:yyyy-MM-dd HH:mm:ss} UTC");
|
||||
sb.AppendLine($"**Profiles Tested:** {ProfileCount}");
|
||||
sb.AppendLine($"**Skew Detected:** {(HasSkew ? "Yes" : "No")}");
|
||||
sb.AppendLine();
|
||||
|
||||
sb.AppendLine("## Results by Profile");
|
||||
sb.AppendLine();
|
||||
sb.AppendLine("| Profile | Avg Value | Avg Duration | Success Rate |");
|
||||
sb.AppendLine("|---------|-----------|--------------|--------------|");
|
||||
|
||||
foreach (var result in Results)
|
||||
{
|
||||
sb.AppendLine($"| {result.Profile.Name} | " +
|
||||
$"{result.AverageValue:F2} | " +
|
||||
$"{result.AverageDurationMs:F0}ms | " +
|
||||
$"{result.SuccessRate:P0} |");
|
||||
}
|
||||
|
||||
sb.AppendLine();
|
||||
sb.AppendLine("## Summary");
|
||||
sb.AppendLine();
|
||||
sb.AppendLine(Summary);
|
||||
|
||||
return sb.ToString();
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Exception thrown when environment skew exceeds tolerance.
|
||||
/// </summary>
|
||||
public sealed class SkewAssertException : Exception
|
||||
{
|
||||
/// <summary>
|
||||
/// Creates a new skew assertion exception.
|
||||
/// </summary>
|
||||
public SkewAssertException(string message) : base(message)
|
||||
{
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,228 @@
|
||||
using System.Security.Cryptography;
|
||||
using System.Text;
|
||||
|
||||
namespace StellaOps.TestKit.Evidence;
|
||||
|
||||
/// <summary>
|
||||
/// Assertion helpers for evidence chain traceability testing.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// These assertions validate evidence chain properties:
|
||||
/// - Artifact hash stability (same inputs produce same hashes)
|
||||
/// - Artifact immutability (repeated generation produces identical outputs)
|
||||
/// - Traceability completeness (requirement -> test -> artifact linkage)
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// [Fact]
|
||||
/// [Requirement("REQ-EVIDENCE-001")]
|
||||
/// public void Test_ArtifactHashStability()
|
||||
/// {
|
||||
/// var artifact = GenerateEvidence(input);
|
||||
/// EvidenceChainAssert.ArtifactHashStable(artifact, "abc123...expected-sha256...");
|
||||
/// }
|
||||
///
|
||||
/// [Fact]
|
||||
/// [Requirement("REQ-DETERMINISM-001")]
|
||||
/// public void Test_EvidenceImmutability()
|
||||
/// {
|
||||
/// EvidenceChainAssert.ArtifactImmutable(() => GenerateEvidence(fixedInput), iterations: 100);
|
||||
/// }
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public static class EvidenceChainAssert
|
||||
{
|
||||
/// <summary>
|
||||
/// Asserts that an artifact has the expected SHA-256 hash.
|
||||
/// </summary>
|
||||
/// <param name="artifact">The artifact bytes to hash.</param>
|
||||
/// <param name="expectedHashHex">Expected SHA-256 hash in lowercase hexadecimal.</param>
|
||||
/// <exception cref="EvidenceTraceabilityException">Thrown when hash doesn't match.</exception>
|
||||
public static void ArtifactHashStable(byte[] artifact, string expectedHashHex)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(artifact);
|
||||
ArgumentNullException.ThrowIfNull(expectedHashHex);
|
||||
|
||||
var actualHash = ComputeSha256(artifact);
|
||||
|
||||
if (!string.Equals(actualHash, expectedHashHex, StringComparison.OrdinalIgnoreCase))
|
||||
{
|
||||
throw new EvidenceTraceabilityException(
|
||||
$"Artifact hash mismatch.\n" +
|
||||
$"Expected: {expectedHashHex}\n" +
|
||||
$"Actual: {actualHash}\n" +
|
||||
"This indicates the artifact is not deterministic or has changed.");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that an artifact has the expected SHA-256 hash (string content).
|
||||
/// </summary>
|
||||
/// <param name="content">The content string to hash (UTF-8 encoded).</param>
|
||||
/// <param name="expectedHashHex">Expected SHA-256 hash in lowercase hexadecimal.</param>
|
||||
/// <exception cref="EvidenceTraceabilityException">Thrown when hash doesn't match.</exception>
|
||||
public static void ArtifactHashStable(string content, string expectedHashHex)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(content);
|
||||
ArtifactHashStable(Encoding.UTF8.GetBytes(content), expectedHashHex);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that an artifact generator produces identical output across multiple invocations.
|
||||
/// </summary>
|
||||
/// <param name="artifactGenerator">Function that generates the artifact.</param>
|
||||
/// <param name="iterations">Number of iterations to verify (default 10).</param>
|
||||
/// <exception cref="EvidenceTraceabilityException">Thrown when outputs differ.</exception>
|
||||
public static void ArtifactImmutable(Func<byte[]> artifactGenerator, int iterations = 10)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(artifactGenerator);
|
||||
if (iterations < 2)
|
||||
{
|
||||
throw new ArgumentOutOfRangeException(nameof(iterations), "Must be at least 2");
|
||||
}
|
||||
|
||||
var firstResult = artifactGenerator();
|
||||
var firstHash = ComputeSha256(firstResult);
|
||||
|
||||
for (int i = 1; i < iterations; i++)
|
||||
{
|
||||
var result = artifactGenerator();
|
||||
var hash = ComputeSha256(result);
|
||||
|
||||
if (hash != firstHash)
|
||||
{
|
||||
throw new EvidenceTraceabilityException(
|
||||
$"Artifact not immutable: iteration {i + 1} produced different output.\n" +
|
||||
$"First hash: {firstHash}\n" +
|
||||
$"Current hash: {hash}\n" +
|
||||
"This indicates non-deterministic behavior in artifact generation.");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that an artifact generator produces identical string output across multiple invocations.
|
||||
/// </summary>
|
||||
/// <param name="artifactGenerator">Function that generates the artifact string.</param>
|
||||
/// <param name="iterations">Number of iterations to verify (default 10).</param>
|
||||
/// <exception cref="EvidenceTraceabilityException">Thrown when outputs differ.</exception>
|
||||
public static void ArtifactImmutable(Func<string> artifactGenerator, int iterations = 10)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(artifactGenerator);
|
||||
ArtifactImmutable(() => Encoding.UTF8.GetBytes(artifactGenerator()), iterations);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that a test method has a RequirementAttribute linking it to a requirement.
|
||||
/// </summary>
|
||||
/// <param name="testMethod">The test method to check.</param>
|
||||
/// <exception cref="EvidenceTraceabilityException">Thrown when requirement link is missing.</exception>
|
||||
public static void RequirementLinked(System.Reflection.MethodInfo testMethod)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(testMethod);
|
||||
|
||||
var reqAttr = testMethod.GetCustomAttributes(typeof(RequirementAttribute), true)
|
||||
.Cast<RequirementAttribute>()
|
||||
.FirstOrDefault();
|
||||
|
||||
if (reqAttr == null)
|
||||
{
|
||||
throw new EvidenceTraceabilityException(
|
||||
$"Test method '{testMethod.DeclaringType?.Name}.{testMethod.Name}' " +
|
||||
"is missing [Requirement] attribute for evidence traceability.");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that the current test has requirement traceability configured.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Call this at the start of regulatory/compliance tests to ensure traceability.
|
||||
/// </remarks>
|
||||
/// <param name="requirementId">Expected requirement ID.</param>
|
||||
/// <exception cref="EvidenceTraceabilityException">Thrown when requirement doesn't match.</exception>
|
||||
public static void RequirementLinked(string requirementId)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(requirementId);
|
||||
|
||||
// This is a marker assertion - actual verification happens in the report generator
|
||||
// when it scans test methods for RequirementAttribute matching this ID
|
||||
if (string.IsNullOrWhiteSpace(requirementId))
|
||||
{
|
||||
throw new EvidenceTraceabilityException(
|
||||
"Requirement ID cannot be empty for evidence traceability.");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that all components of a traceability chain are present.
|
||||
/// </summary>
|
||||
/// <param name="requirementId">The requirement being validated.</param>
|
||||
/// <param name="testId">The test identifier (e.g., "MyTests.TestMethod").</param>
|
||||
/// <param name="artifactId">The artifact identifier (e.g., hash or content-address).</param>
|
||||
/// <exception cref="EvidenceTraceabilityException">Thrown when any component is missing.</exception>
|
||||
public static void TraceabilityComplete(string requirementId, string testId, string artifactId)
|
||||
{
|
||||
var errors = new List<string>();
|
||||
|
||||
if (string.IsNullOrWhiteSpace(requirementId))
|
||||
{
|
||||
errors.Add("Requirement ID is missing");
|
||||
}
|
||||
|
||||
if (string.IsNullOrWhiteSpace(testId))
|
||||
{
|
||||
errors.Add("Test ID is missing");
|
||||
}
|
||||
|
||||
if (string.IsNullOrWhiteSpace(artifactId))
|
||||
{
|
||||
errors.Add("Artifact ID is missing");
|
||||
}
|
||||
|
||||
if (errors.Count > 0)
|
||||
{
|
||||
throw new EvidenceTraceabilityException(
|
||||
$"Traceability chain incomplete:\n- {string.Join("\n- ", errors)}\n" +
|
||||
$"Required: Requirement[{requirementId ?? "null"}] -> Test[{testId ?? "null"}] -> Artifact[{artifactId ?? "null"}]");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Computes the SHA-256 hash of a byte array and returns it as lowercase hex.
|
||||
/// </summary>
|
||||
public static string ComputeSha256(byte[] data)
|
||||
{
|
||||
var hash = SHA256.HashData(data);
|
||||
return Convert.ToHexStringLower(hash);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Computes the SHA-256 hash of a string (UTF-8 encoded) and returns it as lowercase hex.
|
||||
/// </summary>
|
||||
public static string ComputeSha256(string content)
|
||||
{
|
||||
return ComputeSha256(Encoding.UTF8.GetBytes(content));
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Exception thrown when evidence traceability assertions fail.
|
||||
/// </summary>
|
||||
public sealed class EvidenceTraceabilityException : Exception
|
||||
{
|
||||
/// <summary>
|
||||
/// Creates a new evidence traceability exception.
|
||||
/// </summary>
|
||||
public EvidenceTraceabilityException(string message) : base(message)
|
||||
{
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates a new evidence traceability exception with inner exception.
|
||||
/// </summary>
|
||||
public EvidenceTraceabilityException(string message, Exception innerException)
|
||||
: base(message, innerException)
|
||||
{
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,339 @@
|
||||
using System.Reflection;
|
||||
using System.Text;
|
||||
using System.Text.Json;
|
||||
using System.Text.Json.Serialization;
|
||||
|
||||
namespace StellaOps.TestKit.Evidence;
|
||||
|
||||
/// <summary>
|
||||
/// Generates evidence chain traceability reports from test assemblies.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// The reporter scans test assemblies for [Requirement] attributes and generates
|
||||
/// a traceability matrix showing requirement -> test -> artifact linkage.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var reporter = new EvidenceChainReporter();
|
||||
/// reporter.AddAssembly(typeof(MyTests).Assembly);
|
||||
/// var report = reporter.GenerateReport();
|
||||
/// Console.WriteLine(report.ToMarkdown());
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public sealed class EvidenceChainReporter
|
||||
{
|
||||
private readonly List<Assembly> _assemblies = [];
|
||||
private readonly Dictionary<string, List<TestEvidence>> _requirementMap = new(StringComparer.OrdinalIgnoreCase);
|
||||
|
||||
/// <summary>
|
||||
/// Adds an assembly to scan for requirement-linked tests.
|
||||
/// </summary>
|
||||
public void AddAssembly(Assembly assembly)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(assembly);
|
||||
if (!_assemblies.Contains(assembly))
|
||||
{
|
||||
_assemblies.Add(assembly);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Scans all added assemblies and generates a traceability report.
|
||||
/// </summary>
|
||||
public EvidenceChainReport GenerateReport()
|
||||
{
|
||||
_requirementMap.Clear();
|
||||
|
||||
foreach (var assembly in _assemblies)
|
||||
{
|
||||
ScanAssembly(assembly);
|
||||
}
|
||||
|
||||
var requirements = _requirementMap
|
||||
.Select(kvp => new RequirementTraceability
|
||||
{
|
||||
RequirementId = kvp.Key,
|
||||
Tests = kvp.Value.OrderBy(t => t.TestId).ToList(),
|
||||
TestCount = kvp.Value.Count
|
||||
})
|
||||
.OrderBy(r => r.RequirementId)
|
||||
.ToList();
|
||||
|
||||
var totalTests = requirements.Sum(r => r.TestCount);
|
||||
var orphanedRequirements = requirements.Where(r => r.TestCount == 0).Select(r => r.RequirementId).ToList();
|
||||
|
||||
return new EvidenceChainReport
|
||||
{
|
||||
GeneratedAt = DateTimeOffset.UtcNow,
|
||||
AssembliesScanned = _assemblies.Select(a => a.GetName().Name ?? a.FullName ?? "Unknown").ToList(),
|
||||
Requirements = requirements,
|
||||
TotalRequirements = requirements.Count,
|
||||
TotalTests = totalTests,
|
||||
OrphanedRequirements = orphanedRequirements,
|
||||
Warnings = GenerateWarnings(requirements)
|
||||
};
|
||||
}
|
||||
|
||||
private void ScanAssembly(Assembly assembly)
|
||||
{
|
||||
var testTypes = assembly.GetTypes()
|
||||
.Where(t => t.IsClass && !t.IsAbstract);
|
||||
|
||||
foreach (var type in testTypes)
|
||||
{
|
||||
// Check class-level requirement attributes
|
||||
var classRequirements = type.GetCustomAttributes<RequirementAttribute>(true).ToList();
|
||||
|
||||
foreach (var method in type.GetMethods(BindingFlags.Public | BindingFlags.Instance))
|
||||
{
|
||||
// Check if this is a test method (has Fact, Theory, or Test attribute)
|
||||
var isTest = method.GetCustomAttributes(true)
|
||||
.Any(a => a.GetType().Name is "FactAttribute" or "TheoryAttribute" or "TestAttribute");
|
||||
|
||||
if (!isTest)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
var methodRequirements = method.GetCustomAttributes<RequirementAttribute>(true).ToList();
|
||||
var allRequirements = classRequirements.Concat(methodRequirements).ToList();
|
||||
|
||||
foreach (var req in allRequirements)
|
||||
{
|
||||
if (!_requirementMap.TryGetValue(req.RequirementId, out var tests))
|
||||
{
|
||||
tests = [];
|
||||
_requirementMap[req.RequirementId] = tests;
|
||||
}
|
||||
|
||||
var testId = $"{type.FullName}.{method.Name}";
|
||||
|
||||
// Avoid duplicates
|
||||
if (!tests.Any(t => t.TestId == testId))
|
||||
{
|
||||
tests.Add(new TestEvidence
|
||||
{
|
||||
TestId = testId,
|
||||
TestName = method.Name,
|
||||
TestClass = type.FullName ?? type.Name,
|
||||
SprintTaskId = req.SprintTaskId,
|
||||
ComplianceControl = req.ComplianceControl,
|
||||
SourceDocument = req.SourceDocument,
|
||||
AssemblyName = assembly.GetName().Name ?? "Unknown"
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static List<string> GenerateWarnings(List<RequirementTraceability> requirements)
|
||||
{
|
||||
var warnings = new List<string>();
|
||||
|
||||
// Check for requirements with no tests
|
||||
var emptyRequirements = requirements.Where(r => r.TestCount == 0).ToList();
|
||||
if (emptyRequirements.Count > 0)
|
||||
{
|
||||
warnings.Add($"Requirements with no linked tests: {string.Join(", ", emptyRequirements.Select(r => r.RequirementId))}");
|
||||
}
|
||||
|
||||
// Check for requirements with very few tests (potential coverage gaps)
|
||||
var lowCoverageRequirements = requirements.Where(r => r.TestCount == 1).ToList();
|
||||
if (lowCoverageRequirements.Count > 0)
|
||||
{
|
||||
warnings.Add($"Requirements with only 1 test (consider additional coverage): {string.Join(", ", lowCoverageRequirements.Select(r => r.RequirementId))}");
|
||||
}
|
||||
|
||||
return warnings;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Evidence chain traceability report.
|
||||
/// </summary>
|
||||
public sealed class EvidenceChainReport
|
||||
{
|
||||
/// <summary>
|
||||
/// When the report was generated.
|
||||
/// </summary>
|
||||
public DateTimeOffset GeneratedAt { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Names of assemblies that were scanned.
|
||||
/// </summary>
|
||||
public List<string> AssembliesScanned { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Traceability data for each requirement.
|
||||
/// </summary>
|
||||
public List<RequirementTraceability> Requirements { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Total number of requirements found.
|
||||
/// </summary>
|
||||
public int TotalRequirements { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Total number of tests linked to requirements.
|
||||
/// </summary>
|
||||
public int TotalTests { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Requirements that have no linked tests.
|
||||
/// </summary>
|
||||
public List<string> OrphanedRequirements { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Warning messages about coverage gaps.
|
||||
/// </summary>
|
||||
public List<string> Warnings { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Generates a JSON representation of the report.
|
||||
/// </summary>
|
||||
public string ToJson()
|
||||
{
|
||||
var options = new JsonSerializerOptions
|
||||
{
|
||||
WriteIndented = true,
|
||||
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
|
||||
DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
|
||||
};
|
||||
return JsonSerializer.Serialize(this, options);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates a Markdown representation of the report.
|
||||
/// </summary>
|
||||
public string ToMarkdown()
|
||||
{
|
||||
var sb = new StringBuilder();
|
||||
|
||||
sb.AppendLine("# Evidence Chain Traceability Report");
|
||||
sb.AppendLine();
|
||||
sb.AppendLine($"**Generated:** {GeneratedAt:yyyy-MM-dd HH:mm:ss} UTC");
|
||||
sb.AppendLine($"**Assemblies Scanned:** {string.Join(", ", AssembliesScanned)}");
|
||||
sb.AppendLine($"**Total Requirements:** {TotalRequirements}");
|
||||
sb.AppendLine($"**Total Tests:** {TotalTests}");
|
||||
sb.AppendLine();
|
||||
|
||||
if (Warnings.Count > 0)
|
||||
{
|
||||
sb.AppendLine("## Warnings");
|
||||
sb.AppendLine();
|
||||
foreach (var warning in Warnings)
|
||||
{
|
||||
sb.AppendLine($"- {warning}");
|
||||
}
|
||||
sb.AppendLine();
|
||||
}
|
||||
|
||||
sb.AppendLine("## Traceability Matrix");
|
||||
sb.AppendLine();
|
||||
sb.AppendLine("| Requirement | Test Count | Tests |");
|
||||
sb.AppendLine("|-------------|------------|-------|");
|
||||
|
||||
foreach (var req in Requirements)
|
||||
{
|
||||
var testLinks = req.Tests.Count > 3
|
||||
? $"{string.Join(", ", req.Tests.Take(3).Select(t => t.TestName))} (+{req.Tests.Count - 3} more)"
|
||||
: string.Join(", ", req.Tests.Select(t => t.TestName));
|
||||
|
||||
sb.AppendLine($"| {req.RequirementId} | {req.TestCount} | {testLinks} |");
|
||||
}
|
||||
|
||||
sb.AppendLine();
|
||||
sb.AppendLine("## Detailed Test Mapping");
|
||||
sb.AppendLine();
|
||||
|
||||
foreach (var req in Requirements)
|
||||
{
|
||||
sb.AppendLine($"### {req.RequirementId}");
|
||||
sb.AppendLine();
|
||||
|
||||
if (req.Tests.Count == 0)
|
||||
{
|
||||
sb.AppendLine("*No tests linked to this requirement.*");
|
||||
}
|
||||
else
|
||||
{
|
||||
sb.AppendLine("| Test | Class | Sprint Task | Compliance |");
|
||||
sb.AppendLine("|------|-------|-------------|------------|");
|
||||
|
||||
foreach (var test in req.Tests)
|
||||
{
|
||||
var sprintTask = string.IsNullOrEmpty(test.SprintTaskId) ? "-" : test.SprintTaskId;
|
||||
var compliance = string.IsNullOrEmpty(test.ComplianceControl) ? "-" : test.ComplianceControl;
|
||||
sb.AppendLine($"| {test.TestName} | {test.TestClass} | {sprintTask} | {compliance} |");
|
||||
}
|
||||
}
|
||||
|
||||
sb.AppendLine();
|
||||
}
|
||||
|
||||
return sb.ToString();
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Traceability data for a single requirement.
|
||||
/// </summary>
|
||||
public sealed class RequirementTraceability
|
||||
{
|
||||
/// <summary>
|
||||
/// The requirement identifier.
|
||||
/// </summary>
|
||||
public string RequirementId { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Tests linked to this requirement.
|
||||
/// </summary>
|
||||
public List<TestEvidence> Tests { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Number of tests linked to this requirement.
|
||||
/// </summary>
|
||||
public int TestCount { get; init; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Evidence data for a single test.
|
||||
/// </summary>
|
||||
public sealed class TestEvidence
|
||||
{
|
||||
/// <summary>
|
||||
/// Fully qualified test identifier (namespace.class.method).
|
||||
/// </summary>
|
||||
public string TestId { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Test method name.
|
||||
/// </summary>
|
||||
public string TestName { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Fully qualified test class name.
|
||||
/// </summary>
|
||||
public string TestClass { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Sprint task ID if specified.
|
||||
/// </summary>
|
||||
public string SprintTaskId { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Compliance control reference if specified.
|
||||
/// </summary>
|
||||
public string ComplianceControl { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Source document reference if specified.
|
||||
/// </summary>
|
||||
public string SourceDocument { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Assembly containing the test.
|
||||
/// </summary>
|
||||
public string AssemblyName { get; init; } = "";
|
||||
}
|
||||
@@ -0,0 +1,102 @@
|
||||
using Xunit.v3;
|
||||
|
||||
namespace StellaOps.TestKit.Evidence;
|
||||
|
||||
/// <summary>
|
||||
/// Links a test method to a requirement identifier for evidence traceability.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Evidence traceability ensures that every critical behavior links:
|
||||
/// requirement -> test -> run -> artifact -> deployed version.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// [Fact]
|
||||
/// [Requirement("REQ-AUTH-001", SprintTaskId = "AUTH-0127-001")]
|
||||
/// public async Task TestUserAuthentication()
|
||||
/// {
|
||||
/// // Verify authentication works as required
|
||||
/// }
|
||||
///
|
||||
/// [Fact]
|
||||
/// [Requirement("REQ-AUDIT-002", SprintTaskId = "AUDIT-0127-003")]
|
||||
/// [Intent(TestIntents.Regulatory, "Required for SOC2 AU-12")]
|
||||
/// public void TestAuditLogImmutability()
|
||||
/// {
|
||||
/// // Verify audit logs cannot be modified
|
||||
/// }
|
||||
/// </code>
|
||||
///
|
||||
/// The attribute automatically adds xUnit Traits for filtering:
|
||||
/// <code>
|
||||
/// dotnet test --filter "Requirement=REQ-AUTH-001"
|
||||
/// dotnet test --filter "SprintTask=AUTH-0127-001"
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
[AttributeUsage(AttributeTargets.Method | AttributeTargets.Class, AllowMultiple = true, Inherited = true)]
|
||||
public sealed class RequirementAttribute : Attribute, ITraitAttribute
|
||||
{
|
||||
/// <summary>
|
||||
/// The requirement identifier this test validates.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Should match requirement IDs in your requirements management system
|
||||
/// (e.g., "REQ-AUTH-001", "SECURITY-003", "FR-SBOM-001").
|
||||
/// </remarks>
|
||||
public string RequirementId { get; }
|
||||
|
||||
/// <summary>
|
||||
/// Optional sprint task ID that implemented this requirement.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Links to the sprint task in docs/implplan/SPRINT_*.md files.
|
||||
/// Format: "<MODULE>-<DATE>-<TASK>" (e.g., "AUTH-0127-001").
|
||||
/// </remarks>
|
||||
public string SprintTaskId { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Optional compliance control reference.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Links to external compliance controls (e.g., "SOC2-CC6.1", "GDPR-Art.17").
|
||||
/// </remarks>
|
||||
public string ComplianceControl { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Optional requirement source document.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Path or URL to the document defining this requirement.
|
||||
/// </remarks>
|
||||
public string SourceDocument { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Creates a requirement link for the test.
|
||||
/// </summary>
|
||||
/// <param name="requirementId">The requirement identifier.</param>
|
||||
public RequirementAttribute(string requirementId)
|
||||
{
|
||||
RequirementId = requirementId ?? throw new ArgumentNullException(nameof(requirementId));
|
||||
}
|
||||
|
||||
/// <inheritdoc />
|
||||
public IReadOnlyCollection<KeyValuePair<string, string>> GetTraits()
|
||||
{
|
||||
var traits = new List<KeyValuePair<string, string>>
|
||||
{
|
||||
new("Requirement", RequirementId)
|
||||
};
|
||||
|
||||
if (!string.IsNullOrWhiteSpace(SprintTaskId))
|
||||
{
|
||||
traits.Add(new("SprintTask", SprintTaskId));
|
||||
}
|
||||
|
||||
if (!string.IsNullOrWhiteSpace(ComplianceControl))
|
||||
{
|
||||
traits.Add(new("ComplianceControl", ComplianceControl));
|
||||
}
|
||||
|
||||
return traits;
|
||||
}
|
||||
}
|
||||
@@ -37,8 +37,28 @@ public static class ContractTestHelper
|
||||
var actualNormalized = NormalizeOpenApiSchema(actualSchema);
|
||||
var expectedNormalized = NormalizeOpenApiSchema(expectedSchema);
|
||||
|
||||
actualNormalized.Should().Be(expectedNormalized,
|
||||
"OpenAPI schema should match snapshot. Set STELLAOPS_UPDATE_FIXTURES=true to update.");
|
||||
// Use Assert.Equal instead of FluentAssertions to avoid format string issues
|
||||
// when comparing JSON with curly braces
|
||||
if (!string.Equals(actualNormalized, expectedNormalized, StringComparison.Ordinal))
|
||||
{
|
||||
// Find first difference for helpful error message
|
||||
var diffIndex = FindFirstDifference(actualNormalized, expectedNormalized);
|
||||
var contextStart = Math.Max(0, diffIndex - 50);
|
||||
var contextEnd = Math.Min(Math.Max(actualNormalized.Length, expectedNormalized.Length), diffIndex + 50);
|
||||
|
||||
var actualContext = diffIndex < actualNormalized.Length
|
||||
? actualNormalized.Substring(contextStart, Math.Min(contextEnd - contextStart, actualNormalized.Length - contextStart))
|
||||
: "(end of string)";
|
||||
var expectedContext = diffIndex < expectedNormalized.Length
|
||||
? expectedNormalized.Substring(contextStart, Math.Min(contextEnd - contextStart, expectedNormalized.Length - contextStart))
|
||||
: "(end of string)";
|
||||
|
||||
throw new Xunit.Sdk.XunitException(
|
||||
$"OpenAPI schema should match snapshot. Set STELLAOPS_UPDATE_FIXTURES=true to update.\n" +
|
||||
$"First difference at position {diffIndex}:\n" +
|
||||
$"Actual: ...{actualContext}...\n" +
|
||||
$"Expected: ...{expectedContext}...");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
@@ -156,17 +176,39 @@ public static class ContractTestHelper
|
||||
return new SchemaBreakingChanges(breakingChanges, nonBreakingChanges);
|
||||
}
|
||||
|
||||
private static int FindFirstDifference(string a, string b)
|
||||
{
|
||||
var minLength = Math.Min(a.Length, b.Length);
|
||||
for (var i = 0; i < minLength; i++)
|
||||
{
|
||||
if (a[i] != b[i])
|
||||
{
|
||||
return i;
|
||||
}
|
||||
}
|
||||
return minLength; // One string is a prefix of the other
|
||||
}
|
||||
|
||||
private static string NormalizeOpenApiSchema(string schema)
|
||||
{
|
||||
try
|
||||
{
|
||||
var doc = JsonDocument.Parse(schema);
|
||||
// Remove non-deterministic fields
|
||||
return JsonSerializer.Serialize(doc, new JsonSerializerOptions
|
||||
{
|
||||
// Remove non-deterministic fields like version hash
|
||||
var serialized = JsonSerializer.Serialize(doc, new JsonSerializerOptions
|
||||
{
|
||||
WriteIndented = false,
|
||||
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
|
||||
});
|
||||
|
||||
// Strip version hash suffix (e.g., "1.0.0+abc123" -> "1.0.0")
|
||||
// This prevents test failures due to git commit hash changes
|
||||
// Note: The + character may be serialized as literal "+" or as "\u002B" unicode escape
|
||||
return System.Text.RegularExpressions.Regex.Replace(
|
||||
serialized,
|
||||
@"(""version""\s*:\s*""[^""]*?)(\+|\\u002[Bb])[a-f0-9]+""",
|
||||
@"$1""",
|
||||
System.Text.RegularExpressions.RegexOptions.IgnoreCase);
|
||||
}
|
||||
catch
|
||||
{
|
||||
@@ -176,7 +218,7 @@ public static class ContractTestHelper
|
||||
|
||||
private static bool ShouldUpdateSnapshots()
|
||||
{
|
||||
return Environment.GetEnvironmentVariable("STELLAOPS_UPDATE_FIXTURES") == "true";
|
||||
return global::System.Environment.GetEnvironmentVariable("STELLAOPS_UPDATE_FIXTURES") == "true";
|
||||
}
|
||||
|
||||
private static async Task UpdateSnapshotAsync(string path, string content)
|
||||
|
||||
124
src/__Libraries/StellaOps.TestKit/Incident/IncidentMetadata.cs
Normal file
124
src/__Libraries/StellaOps.TestKit/Incident/IncidentMetadata.cs
Normal file
@@ -0,0 +1,124 @@
|
||||
using System.Text.Json.Serialization;
|
||||
|
||||
namespace StellaOps.TestKit.Incident;
|
||||
|
||||
/// <summary>
|
||||
/// Metadata describing a production incident for test generation.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Every production incident should produce a permanent regression test.
|
||||
/// This record captures the incident context needed to generate and maintain
|
||||
/// that test over time.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var metadata = new IncidentMetadata
|
||||
/// {
|
||||
/// IncidentId = "INC-2026-001",
|
||||
/// OccurredAt = DateTimeOffset.Parse("2026-01-15T10:30:00Z"),
|
||||
/// RootCause = "Race condition in concurrent bundle creation",
|
||||
/// AffectedModules = ["EvidenceLocker", "Policy"],
|
||||
/// Severity = IncidentSeverity.P1,
|
||||
/// Title = "Evidence bundle duplication in high-concurrency scenario"
|
||||
/// };
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public sealed record IncidentMetadata
|
||||
{
|
||||
/// <summary>
|
||||
/// Unique incident identifier from the incident management system.
|
||||
/// </summary>
|
||||
/// <example>INC-2026-001, PROD-0115-003</example>
|
||||
[JsonPropertyName("incidentId")]
|
||||
public required string IncidentId { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// When the incident occurred (UTC).
|
||||
/// </summary>
|
||||
[JsonPropertyName("occurredAt")]
|
||||
public required DateTimeOffset OccurredAt { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Brief description of the root cause.
|
||||
/// </summary>
|
||||
[JsonPropertyName("rootCause")]
|
||||
public required string RootCause { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Modules affected by the incident.
|
||||
/// </summary>
|
||||
[JsonPropertyName("affectedModules")]
|
||||
public required string[] AffectedModules { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Incident severity level.
|
||||
/// </summary>
|
||||
[JsonPropertyName("severity")]
|
||||
public required IncidentSeverity Severity { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Short descriptive title for the incident.
|
||||
/// </summary>
|
||||
[JsonPropertyName("title")]
|
||||
public string Title { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Link to the incident report or postmortem.
|
||||
/// </summary>
|
||||
[JsonPropertyName("reportUrl")]
|
||||
public string ReportUrl { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// When the incident was resolved.
|
||||
/// </summary>
|
||||
[JsonPropertyName("resolvedAt")]
|
||||
public DateTimeOffset? ResolvedAt { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Correlation IDs from the incident for replay matching.
|
||||
/// </summary>
|
||||
[JsonPropertyName("correlationIds")]
|
||||
public string[] CorrelationIds { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Sprint task ID that implemented the fix.
|
||||
/// </summary>
|
||||
[JsonPropertyName("fixTaskId")]
|
||||
public string FixTaskId { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Tags for categorization (e.g., "race-condition", "timeout", "data-corruption").
|
||||
/// </summary>
|
||||
[JsonPropertyName("tags")]
|
||||
public string[] Tags { get; init; } = [];
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Incident severity levels.
|
||||
/// </summary>
|
||||
public enum IncidentSeverity
|
||||
{
|
||||
/// <summary>
|
||||
/// Critical incident: service down, data loss, security breach.
|
||||
/// Tests for P1 incidents block releases.
|
||||
/// </summary>
|
||||
P1 = 1,
|
||||
|
||||
/// <summary>
|
||||
/// Major incident: significant degradation, partial outage.
|
||||
/// Tests for P2 incidents block releases.
|
||||
/// </summary>
|
||||
P2 = 2,
|
||||
|
||||
/// <summary>
|
||||
/// Minor incident: limited impact, workaround available.
|
||||
/// Tests for P3 incidents are warning-only in CI.
|
||||
/// </summary>
|
||||
P3 = 3,
|
||||
|
||||
/// <summary>
|
||||
/// Low-impact incident: cosmetic issues, minor bugs.
|
||||
/// Tests for P4 incidents are informational.
|
||||
/// </summary>
|
||||
P4 = 4
|
||||
}
|
||||
@@ -0,0 +1,358 @@
|
||||
using System.Security.Cryptography;
|
||||
using System.Text;
|
||||
using System.Text.Json;
|
||||
using System.Text.RegularExpressions;
|
||||
|
||||
namespace StellaOps.TestKit.Incident;
|
||||
|
||||
/// <summary>
|
||||
/// Generates test scaffolds from replay manifests and incident metadata.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// This generator creates regression test scaffolds from production incidents.
|
||||
/// The workflow is:
|
||||
/// 1. Incident triggers capture of event sequence (existing replay infrastructure).
|
||||
/// 2. Replay manifest exported with correlation IDs and timestamps.
|
||||
/// 3. This generator creates a test scaffold from the manifest.
|
||||
/// 4. Human reviews and approves the test for permanent inclusion.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var generator = new IncidentTestGenerator();
|
||||
/// var manifest = LoadReplayManifest("path/to/manifest.json");
|
||||
/// var metadata = new IncidentMetadata
|
||||
/// {
|
||||
/// IncidentId = "INC-2026-001",
|
||||
/// OccurredAt = DateTimeOffset.UtcNow,
|
||||
/// RootCause = "Race condition in concurrent writes",
|
||||
/// AffectedModules = ["EvidenceLocker"],
|
||||
/// Severity = IncidentSeverity.P1
|
||||
/// };
|
||||
///
|
||||
/// var scaffold = generator.GenerateFromManifestJson(manifest, metadata);
|
||||
/// var code = scaffold.GenerateTestCode();
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public sealed class IncidentTestGenerator
|
||||
{
|
||||
private readonly Dictionary<string, TestScaffold> _registeredTests = new(StringComparer.OrdinalIgnoreCase);
|
||||
|
||||
/// <summary>
|
||||
/// Generates a test scaffold from a replay manifest JSON.
|
||||
/// </summary>
|
||||
/// <param name="manifestJson">The replay manifest as JSON string.</param>
|
||||
/// <param name="metadata">Incident metadata.</param>
|
||||
/// <returns>A test scaffold ready for code generation.</returns>
|
||||
public TestScaffold GenerateFromManifestJson(string manifestJson, IncidentMetadata metadata)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(manifestJson);
|
||||
ArgumentNullException.ThrowIfNull(metadata);
|
||||
|
||||
var manifestHash = ComputeHash(manifestJson);
|
||||
|
||||
// Parse manifest to extract relevant data
|
||||
using var doc = JsonDocument.Parse(manifestJson);
|
||||
var root = doc.RootElement;
|
||||
|
||||
var inputFixtures = ExtractInputFixtures(root);
|
||||
var expectedOutputs = ExtractExpectedOutputs(root);
|
||||
var implementationNotes = GenerateImplementationNotes(root, metadata);
|
||||
|
||||
var testClassName = GenerateClassName(metadata);
|
||||
var testMethodName = GenerateMethodName(metadata);
|
||||
|
||||
return new TestScaffold
|
||||
{
|
||||
Metadata = metadata,
|
||||
TestClassName = testClassName,
|
||||
TestMethodName = testMethodName,
|
||||
Namespace = DetermineNamespace(metadata),
|
||||
InputFixtures = inputFixtures,
|
||||
ExpectedOutputs = expectedOutputs,
|
||||
ReplayManifestHash = manifestHash,
|
||||
GeneratedAt = DateTimeOffset.UtcNow,
|
||||
Traits = GenerateTraits(metadata),
|
||||
ImplementationNotes = implementationNotes
|
||||
};
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Registers an incident test for tracking.
|
||||
/// </summary>
|
||||
/// <param name="incidentId">The incident identifier.</param>
|
||||
/// <param name="scaffold">The test scaffold.</param>
|
||||
public void RegisterIncidentTest(string incidentId, TestScaffold scaffold)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(incidentId);
|
||||
ArgumentNullException.ThrowIfNull(scaffold);
|
||||
|
||||
_registeredTests[incidentId] = scaffold;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets all registered incident tests.
|
||||
/// </summary>
|
||||
public IReadOnlyDictionary<string, TestScaffold> RegisteredTests => _registeredTests;
|
||||
|
||||
/// <summary>
|
||||
/// Generates a summary report of registered incident tests.
|
||||
/// </summary>
|
||||
public IncidentTestReport GenerateReport()
|
||||
{
|
||||
var tests = _registeredTests.Values.ToList();
|
||||
|
||||
return new IncidentTestReport
|
||||
{
|
||||
GeneratedAt = DateTimeOffset.UtcNow,
|
||||
TotalTests = tests.Count,
|
||||
BySeveority = tests
|
||||
.GroupBy(t => t.Metadata.Severity)
|
||||
.ToDictionary(g => g.Key, g => g.Count()),
|
||||
ByModule = tests
|
||||
.SelectMany(t => t.Metadata.AffectedModules.Select(m => (Module: m, Test: t)))
|
||||
.GroupBy(x => x.Module)
|
||||
.ToDictionary(g => g.Key, g => g.Count()),
|
||||
Tests = tests.Select(t => new IncidentTestSummary
|
||||
{
|
||||
IncidentId = t.Metadata.IncidentId,
|
||||
Title = t.Metadata.Title,
|
||||
Severity = t.Metadata.Severity,
|
||||
AffectedModules = t.Metadata.AffectedModules,
|
||||
TestClassName = t.TestClassName,
|
||||
GeneratedAt = t.GeneratedAt
|
||||
}).ToList()
|
||||
};
|
||||
}
|
||||
|
||||
private static Dictionary<string, string> ExtractInputFixtures(JsonElement root)
|
||||
{
|
||||
var fixtures = new Dictionary<string, string>();
|
||||
|
||||
// Extract scan metadata as fixture
|
||||
if (root.TryGetProperty("scan", out var scan))
|
||||
{
|
||||
fixtures["scan"] = scan.GetRawText();
|
||||
}
|
||||
|
||||
// Extract reachability section as fixture
|
||||
if (root.TryGetProperty("reachability", out var reachability))
|
||||
{
|
||||
if (reachability.TryGetProperty("graphs", out var graphs))
|
||||
{
|
||||
fixtures["reachabilityGraphs"] = graphs.GetRawText();
|
||||
}
|
||||
|
||||
if (reachability.TryGetProperty("runtimeTraces", out var traces))
|
||||
{
|
||||
fixtures["runtimeTraces"] = traces.GetRawText();
|
||||
}
|
||||
}
|
||||
|
||||
// Extract proof spines if present
|
||||
if (root.TryGetProperty("proofSpines", out var spines))
|
||||
{
|
||||
fixtures["proofSpines"] = spines.GetRawText();
|
||||
}
|
||||
|
||||
return fixtures;
|
||||
}
|
||||
|
||||
private static Dictionary<string, string> ExtractExpectedOutputs(JsonElement root)
|
||||
{
|
||||
var outputs = new Dictionary<string, string>();
|
||||
|
||||
// Extract policy digest as expected output
|
||||
if (root.TryGetProperty("scan", out var scan))
|
||||
{
|
||||
if (scan.TryGetProperty("policyDigest", out var policyDigest) &&
|
||||
policyDigest.ValueKind == JsonValueKind.String)
|
||||
{
|
||||
outputs["policyDigest"] = policyDigest.GetString()!;
|
||||
}
|
||||
|
||||
if (scan.TryGetProperty("scorePolicyDigest", out var scoreDigest) &&
|
||||
scoreDigest.ValueKind == JsonValueKind.String)
|
||||
{
|
||||
outputs["scorePolicyDigest"] = scoreDigest.GetString()!;
|
||||
}
|
||||
}
|
||||
|
||||
// Extract graph hashes as expected outputs
|
||||
if (root.TryGetProperty("reachability", out var reachability) &&
|
||||
reachability.TryGetProperty("graphs", out var graphs) &&
|
||||
graphs.ValueKind == JsonValueKind.Array)
|
||||
{
|
||||
var graphHashes = new List<string>();
|
||||
foreach (var graph in graphs.EnumerateArray())
|
||||
{
|
||||
if (graph.TryGetProperty("hash", out var hash) &&
|
||||
hash.ValueKind == JsonValueKind.String)
|
||||
{
|
||||
graphHashes.Add(hash.GetString()!);
|
||||
}
|
||||
}
|
||||
|
||||
if (graphHashes.Count > 0)
|
||||
{
|
||||
outputs["graphHashes"] = string.Join(",", graphHashes);
|
||||
}
|
||||
}
|
||||
|
||||
return outputs;
|
||||
}
|
||||
|
||||
private static List<string> GenerateImplementationNotes(JsonElement root, IncidentMetadata metadata)
|
||||
{
|
||||
var notes = new List<string>
|
||||
{
|
||||
$"This test validates the fix for incident {metadata.IncidentId}.",
|
||||
$"Root cause: {metadata.RootCause}",
|
||||
$"Affected modules: {string.Join(", ", metadata.AffectedModules)}"
|
||||
};
|
||||
|
||||
// Add notes based on manifest content
|
||||
if (root.TryGetProperty("schemaVersion", out var version))
|
||||
{
|
||||
notes.Add($"Replay manifest version: {version.GetString()}");
|
||||
}
|
||||
|
||||
if (root.TryGetProperty("scan", out var scan) &&
|
||||
scan.TryGetProperty("time", out var time))
|
||||
{
|
||||
notes.Add($"Original scan time: {time.GetString()}");
|
||||
}
|
||||
|
||||
notes.Add("Review the fixtures and expected outputs before finalizing the test.");
|
||||
notes.Add("Ensure deterministic fixtures are used for reproducibility.");
|
||||
|
||||
if (metadata.Severity == IncidentSeverity.P1 || metadata.Severity == IncidentSeverity.P2)
|
||||
{
|
||||
notes.Add($"IMPORTANT: This is a {metadata.Severity} incident - test failures will block releases.");
|
||||
}
|
||||
|
||||
return notes;
|
||||
}
|
||||
|
||||
private static string GenerateClassName(IncidentMetadata metadata)
|
||||
{
|
||||
// Convert incident ID to valid class name
|
||||
// INC-2026-001 -> Incident_INC_2026_001_Tests
|
||||
var sanitized = Regex.Replace(metadata.IncidentId, @"[^a-zA-Z0-9]", "_");
|
||||
return $"Incident_{sanitized}_Tests";
|
||||
}
|
||||
|
||||
private static string GenerateMethodName(IncidentMetadata metadata)
|
||||
{
|
||||
// Generate method name from root cause
|
||||
// "Race condition in concurrent writes" -> Validates_RaceCondition_Fix
|
||||
var words = metadata.RootCause
|
||||
.Split(' ', StringSplitOptions.RemoveEmptyEntries)
|
||||
.Take(3)
|
||||
.Select(w => char.ToUpperInvariant(w[0]) + w[1..].ToLowerInvariant());
|
||||
|
||||
return $"Validates_{string.Join("", words)}_Fix";
|
||||
}
|
||||
|
||||
private static string DetermineNamespace(IncidentMetadata metadata)
|
||||
{
|
||||
// Use first affected module for namespace
|
||||
var module = metadata.AffectedModules.FirstOrDefault() ?? "Core";
|
||||
return $"StellaOps.{module}.Tests.PostIncident";
|
||||
}
|
||||
|
||||
private static Dictionary<string, string> GenerateTraits(IncidentMetadata metadata)
|
||||
{
|
||||
var traits = new Dictionary<string, string>();
|
||||
|
||||
foreach (var module in metadata.AffectedModules)
|
||||
{
|
||||
traits[$"Module:{module}"] = "true";
|
||||
}
|
||||
|
||||
foreach (var tag in metadata.Tags)
|
||||
{
|
||||
traits[$"Tag:{tag}"] = "true";
|
||||
}
|
||||
|
||||
if (!string.IsNullOrEmpty(metadata.FixTaskId))
|
||||
{
|
||||
traits["SprintTask"] = metadata.FixTaskId;
|
||||
}
|
||||
|
||||
return traits;
|
||||
}
|
||||
|
||||
private static string ComputeHash(string content)
|
||||
{
|
||||
var bytes = Encoding.UTF8.GetBytes(content);
|
||||
var hash = SHA256.HashData(bytes);
|
||||
return $"sha256:{Convert.ToHexStringLower(hash)}";
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Summary report of registered incident tests.
|
||||
/// </summary>
|
||||
public sealed class IncidentTestReport
|
||||
{
|
||||
/// <summary>
|
||||
/// When the report was generated.
|
||||
/// </summary>
|
||||
public DateTimeOffset GeneratedAt { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Total number of incident tests.
|
||||
/// </summary>
|
||||
public int TotalTests { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Count of tests by severity.
|
||||
/// </summary>
|
||||
public Dictionary<IncidentSeverity, int> BySeveority { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Count of tests by affected module.
|
||||
/// </summary>
|
||||
public Dictionary<string, int> ByModule { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Summary of each test.
|
||||
/// </summary>
|
||||
public List<IncidentTestSummary> Tests { get; init; } = [];
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Summary of a single incident test.
|
||||
/// </summary>
|
||||
public sealed class IncidentTestSummary
|
||||
{
|
||||
/// <summary>
|
||||
/// The incident identifier.
|
||||
/// </summary>
|
||||
public string IncidentId { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Incident title.
|
||||
/// </summary>
|
||||
public string Title { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Incident severity.
|
||||
/// </summary>
|
||||
public IncidentSeverity Severity { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Affected modules.
|
||||
/// </summary>
|
||||
public string[] AffectedModules { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Generated test class name.
|
||||
/// </summary>
|
||||
public string TestClassName { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// When the test was generated.
|
||||
/// </summary>
|
||||
public DateTimeOffset GeneratedAt { get; init; }
|
||||
}
|
||||
232
src/__Libraries/StellaOps.TestKit/Incident/TestScaffold.cs
Normal file
232
src/__Libraries/StellaOps.TestKit/Incident/TestScaffold.cs
Normal file
@@ -0,0 +1,232 @@
|
||||
using System.Text;
|
||||
using System.Text.Json;
|
||||
using System.Text.Json.Serialization;
|
||||
|
||||
namespace StellaOps.TestKit.Incident;
|
||||
|
||||
/// <summary>
|
||||
/// Represents a generated test scaffold from an incident or replay manifest.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// The scaffold provides a starting point for creating a regression test.
|
||||
/// It includes the incident context, input fixtures, and expected outcomes
|
||||
/// derived from the replay manifest.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var generator = new IncidentTestGenerator();
|
||||
/// var scaffold = generator.GenerateFromReplayManifest(manifest, metadata);
|
||||
///
|
||||
/// // Generate test code
|
||||
/// var code = scaffold.GenerateTestCode();
|
||||
/// File.WriteAllText($"Tests/{scaffold.TestClassName}.cs", code);
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public sealed class TestScaffold
|
||||
{
|
||||
/// <summary>
|
||||
/// The incident this test validates.
|
||||
/// </summary>
|
||||
[JsonPropertyName("metadata")]
|
||||
public required IncidentMetadata Metadata { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Suggested test class name.
|
||||
/// </summary>
|
||||
[JsonPropertyName("testClassName")]
|
||||
public required string TestClassName { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Suggested test method name.
|
||||
/// </summary>
|
||||
[JsonPropertyName("testMethodName")]
|
||||
public required string TestMethodName { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Namespace for the generated test.
|
||||
/// </summary>
|
||||
[JsonPropertyName("namespace")]
|
||||
public string Namespace { get; init; } = "StellaOps.Tests.PostIncident";
|
||||
|
||||
/// <summary>
|
||||
/// Input fixtures required for the test (serialized as JSON).
|
||||
/// </summary>
|
||||
[JsonPropertyName("inputFixtures")]
|
||||
public Dictionary<string, string> InputFixtures { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Expected outputs to assert (serialized as JSON or hash).
|
||||
/// </summary>
|
||||
[JsonPropertyName("expectedOutputs")]
|
||||
public Dictionary<string, string> ExpectedOutputs { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Hash of the replay manifest used to generate this scaffold.
|
||||
/// </summary>
|
||||
[JsonPropertyName("replayManifestHash")]
|
||||
public string ReplayManifestHash { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// When this scaffold was generated.
|
||||
/// </summary>
|
||||
[JsonPropertyName("generatedAt")]
|
||||
public DateTimeOffset GeneratedAt { get; init; } = DateTimeOffset.UtcNow;
|
||||
|
||||
/// <summary>
|
||||
/// Test categories/traits to apply.
|
||||
/// </summary>
|
||||
[JsonPropertyName("traits")]
|
||||
public Dictionary<string, string> Traits { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Comments or notes for the test implementer.
|
||||
/// </summary>
|
||||
[JsonPropertyName("implementationNotes")]
|
||||
public List<string> ImplementationNotes { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Generates C# test code from this scaffold.
|
||||
/// </summary>
|
||||
public string GenerateTestCode()
|
||||
{
|
||||
var sb = new StringBuilder();
|
||||
|
||||
// File header
|
||||
sb.AppendLine("// -----------------------------------------------------------------------------");
|
||||
sb.AppendLine($"// {TestClassName}.cs");
|
||||
sb.AppendLine($"// Post-Incident Regression Test: {Metadata.IncidentId}");
|
||||
sb.AppendLine($"// Generated: {GeneratedAt:yyyy-MM-dd HH:mm:ss} UTC");
|
||||
sb.AppendLine($"// Root Cause: {Metadata.RootCause}");
|
||||
sb.AppendLine("// -----------------------------------------------------------------------------");
|
||||
sb.AppendLine();
|
||||
|
||||
// Usings
|
||||
sb.AppendLine("using FluentAssertions;");
|
||||
sb.AppendLine("using StellaOps.TestKit;");
|
||||
sb.AppendLine("using StellaOps.TestKit.Incident;");
|
||||
sb.AppendLine("using Xunit;");
|
||||
sb.AppendLine();
|
||||
|
||||
// Namespace and class
|
||||
sb.AppendLine($"namespace {Namespace};");
|
||||
sb.AppendLine();
|
||||
sb.AppendLine("/// <summary>");
|
||||
sb.AppendLine($"/// Regression test for incident {Metadata.IncidentId}: {Metadata.Title}");
|
||||
sb.AppendLine("/// </summary>");
|
||||
sb.AppendLine("/// <remarks>");
|
||||
sb.AppendLine($"/// Root cause: {Metadata.RootCause}");
|
||||
sb.AppendLine($"/// Affected modules: {string.Join(", ", Metadata.AffectedModules)}");
|
||||
sb.AppendLine($"/// Severity: {Metadata.Severity}");
|
||||
if (!string.IsNullOrEmpty(Metadata.ReportUrl))
|
||||
{
|
||||
sb.AppendLine($"/// Report: {Metadata.ReportUrl}");
|
||||
}
|
||||
sb.AppendLine("/// </remarks>");
|
||||
sb.AppendLine("[Trait(\"Category\", TestCategories.PostIncident)]");
|
||||
sb.AppendLine($"[Trait(\"Incident\", \"{Metadata.IncidentId}\")]");
|
||||
sb.AppendLine($"[Trait(\"Severity\", \"{Metadata.Severity}\")]");
|
||||
foreach (var trait in Traits)
|
||||
{
|
||||
sb.AppendLine($"[Trait(\"{trait.Key}\", \"{trait.Value}\")]");
|
||||
}
|
||||
sb.AppendLine($"public sealed class {TestClassName}");
|
||||
sb.AppendLine("{");
|
||||
|
||||
// Metadata constant
|
||||
sb.AppendLine(" private static readonly IncidentMetadata Incident = new()");
|
||||
sb.AppendLine(" {");
|
||||
sb.AppendLine($" IncidentId = \"{Metadata.IncidentId}\",");
|
||||
sb.AppendLine($" OccurredAt = DateTimeOffset.Parse(\"{Metadata.OccurredAt:O}\"),");
|
||||
sb.AppendLine($" RootCause = \"{EscapeString(Metadata.RootCause)}\",");
|
||||
sb.AppendLine($" AffectedModules = [{string.Join(", ", Metadata.AffectedModules.Select(m => $"\"{m}\""))}],");
|
||||
sb.AppendLine($" Severity = IncidentSeverity.{Metadata.Severity},");
|
||||
sb.AppendLine($" Title = \"{EscapeString(Metadata.Title)}\"");
|
||||
sb.AppendLine(" };");
|
||||
sb.AppendLine();
|
||||
|
||||
// Test method
|
||||
sb.AppendLine(" /// <summary>");
|
||||
sb.AppendLine($" /// Validates that the fix for {Metadata.IncidentId} prevents recurrence.");
|
||||
sb.AppendLine(" /// </summary>");
|
||||
sb.AppendLine(" [Fact]");
|
||||
sb.AppendLine($" public async Task {TestMethodName}()");
|
||||
sb.AppendLine(" {");
|
||||
sb.AppendLine(" // Arrange");
|
||||
sb.AppendLine(" // TODO: Load fixtures from replay manifest");
|
||||
|
||||
foreach (var fixture in InputFixtures)
|
||||
{
|
||||
sb.AppendLine($" // Fixture: {fixture.Key}");
|
||||
}
|
||||
|
||||
sb.AppendLine();
|
||||
sb.AppendLine(" // Act");
|
||||
sb.AppendLine(" // TODO: Execute the scenario that triggered the incident");
|
||||
sb.AppendLine();
|
||||
sb.AppendLine(" // Assert");
|
||||
sb.AppendLine(" // TODO: Verify the fix prevents the incident condition");
|
||||
|
||||
foreach (var expected in ExpectedOutputs)
|
||||
{
|
||||
sb.AppendLine($" // Expected: {expected.Key}");
|
||||
}
|
||||
|
||||
sb.AppendLine();
|
||||
sb.AppendLine(" // This test was auto-generated. Review and complete the implementation.");
|
||||
sb.AppendLine(" await Task.CompletedTask;");
|
||||
sb.AppendLine(" }");
|
||||
sb.AppendLine("}");
|
||||
|
||||
// Implementation notes as comments
|
||||
if (ImplementationNotes.Count > 0)
|
||||
{
|
||||
sb.AppendLine();
|
||||
sb.AppendLine("/*");
|
||||
sb.AppendLine("Implementation Notes:");
|
||||
foreach (var note in ImplementationNotes)
|
||||
{
|
||||
sb.AppendLine($"- {note}");
|
||||
}
|
||||
sb.AppendLine("*/");
|
||||
}
|
||||
|
||||
return sb.ToString();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Serializes this scaffold to JSON for storage.
|
||||
/// </summary>
|
||||
public string ToJson()
|
||||
{
|
||||
var options = new JsonSerializerOptions
|
||||
{
|
||||
WriteIndented = true,
|
||||
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
|
||||
Converters = { new JsonStringEnumConverter() }
|
||||
};
|
||||
return JsonSerializer.Serialize(this, options);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Deserializes a scaffold from JSON.
|
||||
/// </summary>
|
||||
public static TestScaffold? FromJson(string json)
|
||||
{
|
||||
var options = new JsonSerializerOptions
|
||||
{
|
||||
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
|
||||
Converters = { new JsonStringEnumConverter() }
|
||||
};
|
||||
return JsonSerializer.Deserialize<TestScaffold>(json, options);
|
||||
}
|
||||
|
||||
private static string EscapeString(string value)
|
||||
{
|
||||
return value
|
||||
.Replace("\\", "\\\\")
|
||||
.Replace("\"", "\\\"")
|
||||
.Replace("\n", "\\n")
|
||||
.Replace("\r", "\\r")
|
||||
.Replace("\t", "\\t");
|
||||
}
|
||||
}
|
||||
352
src/__Libraries/StellaOps.TestKit/Interop/SchemaVersionMatrix.cs
Normal file
352
src/__Libraries/StellaOps.TestKit/Interop/SchemaVersionMatrix.cs
Normal file
@@ -0,0 +1,352 @@
|
||||
using System.Text;
|
||||
using System.Text.Json;
|
||||
using System.Text.Json.Serialization;
|
||||
|
||||
namespace StellaOps.TestKit.Interop;
|
||||
|
||||
/// <summary>
|
||||
/// Tracks schema versions and analyzes compatibility between versions.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// The matrix helps verify N-1/N+1 version compatibility:
|
||||
/// - Current code with N-1 schema (backward compatibility)
|
||||
/// - N-1 code with current schema (forward compatibility)
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var matrix = new SchemaVersionMatrix();
|
||||
/// matrix.AddVersion("1.0", new SchemaDefinition
|
||||
/// {
|
||||
/// RequiredFields = ["id", "name"],
|
||||
/// OptionalFields = ["description"]
|
||||
/// });
|
||||
/// matrix.AddVersion("2.0", new SchemaDefinition
|
||||
/// {
|
||||
/// RequiredFields = ["id", "name", "type"],
|
||||
/// OptionalFields = ["description", "metadata"]
|
||||
/// });
|
||||
///
|
||||
/// var report = matrix.Analyze();
|
||||
/// Assert.True(report.IsBackwardCompatible("2.0", "1.0"));
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public sealed class SchemaVersionMatrix
|
||||
{
|
||||
private readonly Dictionary<string, SchemaDefinition> _versions = new(StringComparer.OrdinalIgnoreCase);
|
||||
|
||||
/// <summary>
|
||||
/// Adds a schema version to the matrix.
|
||||
/// </summary>
|
||||
/// <param name="version">Version identifier (e.g., "1.0", "2.0").</param>
|
||||
/// <param name="schema">Schema definition.</param>
|
||||
public void AddVersion(string version, SchemaDefinition schema)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(version);
|
||||
ArgumentNullException.ThrowIfNull(schema);
|
||||
|
||||
_versions[version] = schema;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets all registered version identifiers.
|
||||
/// </summary>
|
||||
public IReadOnlyCollection<string> Versions => _versions.Keys.ToList();
|
||||
|
||||
/// <summary>
|
||||
/// Gets a schema definition by version.
|
||||
/// </summary>
|
||||
public SchemaDefinition? GetVersion(string version)
|
||||
{
|
||||
return _versions.TryGetValue(version, out var schema) ? schema : null;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Analyzes compatibility between all registered versions.
|
||||
/// </summary>
|
||||
public CompatibilityReport Analyze()
|
||||
{
|
||||
var versionList = _versions.Keys.OrderBy(v => v).ToList();
|
||||
var pairs = new List<VersionCompatibilityPair>();
|
||||
|
||||
for (int i = 0; i < versionList.Count; i++)
|
||||
{
|
||||
for (int j = 0; j < versionList.Count; j++)
|
||||
{
|
||||
if (i == j) continue;
|
||||
|
||||
var fromVersion = versionList[i];
|
||||
var toVersion = versionList[j];
|
||||
|
||||
var backward = CheckBackwardCompatibility(fromVersion, toVersion);
|
||||
var forward = CheckForwardCompatibility(fromVersion, toVersion);
|
||||
|
||||
pairs.Add(new VersionCompatibilityPair
|
||||
{
|
||||
FromVersion = fromVersion,
|
||||
ToVersion = toVersion,
|
||||
IsBackwardCompatible = backward.IsCompatible,
|
||||
IsForwardCompatible = forward.IsCompatible,
|
||||
BackwardIssues = backward.Issues,
|
||||
ForwardIssues = forward.Issues
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
return new CompatibilityReport
|
||||
{
|
||||
GeneratedAt = DateTimeOffset.UtcNow,
|
||||
Versions = versionList,
|
||||
Pairs = pairs,
|
||||
OverallBackwardCompatible = pairs.All(p => p.IsBackwardCompatible),
|
||||
OverallForwardCompatible = pairs.All(p => p.IsForwardCompatible)
|
||||
};
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if upgrading from one version to another is backward compatible.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Backward compatible means old code can read new data without errors.
|
||||
/// This requires that new versions don't remove required fields.
|
||||
/// </remarks>
|
||||
public bool IsBackwardCompatible(string fromVersion, string toVersion)
|
||||
{
|
||||
return CheckBackwardCompatibility(fromVersion, toVersion).IsCompatible;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if new code can read old data (forward compatibility).
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Forward compatible means new code can handle old data gracefully.
|
||||
/// This requires that new required fields have defaults or are additive.
|
||||
/// </remarks>
|
||||
public bool IsForwardCompatible(string fromVersion, string toVersion)
|
||||
{
|
||||
return CheckForwardCompatibility(fromVersion, toVersion).IsCompatible;
|
||||
}
|
||||
|
||||
private CompatibilityCheckResult CheckBackwardCompatibility(string fromVersion, string toVersion)
|
||||
{
|
||||
if (!_versions.TryGetValue(fromVersion, out var fromSchema) ||
|
||||
!_versions.TryGetValue(toVersion, out var toSchema))
|
||||
{
|
||||
return new CompatibilityCheckResult(false, [$"Version not found: {fromVersion} or {toVersion}"]);
|
||||
}
|
||||
|
||||
var issues = new List<string>();
|
||||
|
||||
// Check if any required fields from old version are removed
|
||||
var removedRequiredFields = fromSchema.RequiredFields
|
||||
.Except(toSchema.RequiredFields)
|
||||
.Except(toSchema.OptionalFields)
|
||||
.ToList();
|
||||
|
||||
if (removedRequiredFields.Count > 0)
|
||||
{
|
||||
issues.Add($"Required fields removed: {string.Join(", ", removedRequiredFields)}");
|
||||
}
|
||||
|
||||
// Check for type changes
|
||||
foreach (var (field, oldType) in fromSchema.FieldTypes)
|
||||
{
|
||||
if (toSchema.FieldTypes.TryGetValue(field, out var newType) && oldType != newType)
|
||||
{
|
||||
issues.Add($"Type changed for '{field}': {oldType} -> {newType}");
|
||||
}
|
||||
}
|
||||
|
||||
return new CompatibilityCheckResult(issues.Count == 0, issues);
|
||||
}
|
||||
|
||||
private CompatibilityCheckResult CheckForwardCompatibility(string fromVersion, string toVersion)
|
||||
{
|
||||
if (!_versions.TryGetValue(fromVersion, out var fromSchema) ||
|
||||
!_versions.TryGetValue(toVersion, out var toSchema))
|
||||
{
|
||||
return new CompatibilityCheckResult(false, [$"Version not found: {fromVersion} or {toVersion}"]);
|
||||
}
|
||||
|
||||
var issues = new List<string>();
|
||||
|
||||
// Check if new version adds required fields not present in old version
|
||||
var newRequiredFields = toSchema.RequiredFields
|
||||
.Except(fromSchema.RequiredFields)
|
||||
.Except(fromSchema.OptionalFields)
|
||||
.ToList();
|
||||
|
||||
if (newRequiredFields.Count > 0)
|
||||
{
|
||||
// New required fields need defaults for forward compatibility
|
||||
var fieldsWithoutDefaults = newRequiredFields
|
||||
.Where(f => !toSchema.FieldDefaults.ContainsKey(f))
|
||||
.ToList();
|
||||
|
||||
if (fieldsWithoutDefaults.Count > 0)
|
||||
{
|
||||
issues.Add($"New required fields without defaults: {string.Join(", ", fieldsWithoutDefaults)}");
|
||||
}
|
||||
}
|
||||
|
||||
return new CompatibilityCheckResult(issues.Count == 0, issues);
|
||||
}
|
||||
|
||||
private sealed record CompatibilityCheckResult(bool IsCompatible, List<string> Issues);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Definition of a schema version.
|
||||
/// </summary>
|
||||
public sealed class SchemaDefinition
|
||||
{
|
||||
/// <summary>
|
||||
/// Fields that must be present.
|
||||
/// </summary>
|
||||
public List<string> RequiredFields { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Fields that may be present but are not required.
|
||||
/// </summary>
|
||||
public List<string> OptionalFields { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Field types for type compatibility checking.
|
||||
/// </summary>
|
||||
public Dictionary<string, string> FieldTypes { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Default values for fields (enables forward compatibility).
|
||||
/// </summary>
|
||||
public Dictionary<string, object?> FieldDefaults { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Version-specific validation rules.
|
||||
/// </summary>
|
||||
public List<string> ValidationRules { get; init; } = [];
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Report on schema version compatibility.
|
||||
/// </summary>
|
||||
public sealed class CompatibilityReport
|
||||
{
|
||||
/// <summary>
|
||||
/// When the report was generated.
|
||||
/// </summary>
|
||||
[JsonPropertyName("generatedAt")]
|
||||
public DateTimeOffset GeneratedAt { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// All analyzed versions.
|
||||
/// </summary>
|
||||
[JsonPropertyName("versions")]
|
||||
public List<string> Versions { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Compatibility analysis for each version pair.
|
||||
/// </summary>
|
||||
[JsonPropertyName("pairs")]
|
||||
public List<VersionCompatibilityPair> Pairs { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// True if all version transitions are backward compatible.
|
||||
/// </summary>
|
||||
[JsonPropertyName("overallBackwardCompatible")]
|
||||
public bool OverallBackwardCompatible { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// True if all version transitions are forward compatible.
|
||||
/// </summary>
|
||||
[JsonPropertyName("overallForwardCompatible")]
|
||||
public bool OverallForwardCompatible { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Generates a Markdown summary of the report.
|
||||
/// </summary>
|
||||
public string ToMarkdown()
|
||||
{
|
||||
var sb = new StringBuilder();
|
||||
|
||||
sb.AppendLine("# Schema Compatibility Report");
|
||||
sb.AppendLine();
|
||||
sb.AppendLine($"**Generated:** {GeneratedAt:yyyy-MM-dd HH:mm:ss} UTC");
|
||||
sb.AppendLine($"**Versions Analyzed:** {string.Join(", ", Versions)}");
|
||||
sb.AppendLine($"**Overall Backward Compatible:** {(OverallBackwardCompatible ? "Yes" : "No")}");
|
||||
sb.AppendLine($"**Overall Forward Compatible:** {(OverallForwardCompatible ? "Yes" : "No")}");
|
||||
sb.AppendLine();
|
||||
|
||||
sb.AppendLine("## Compatibility Matrix");
|
||||
sb.AppendLine();
|
||||
sb.AppendLine("| From | To | Backward | Forward | Issues |");
|
||||
sb.AppendLine("|------|-----|----------|---------|--------|");
|
||||
|
||||
foreach (var pair in Pairs)
|
||||
{
|
||||
var issues = pair.BackwardIssues.Concat(pair.ForwardIssues).ToList();
|
||||
var issueText = issues.Count > 0 ? string.Join("; ", issues.Take(2)) : "-";
|
||||
if (issues.Count > 2) issueText += $" (+{issues.Count - 2} more)";
|
||||
|
||||
sb.AppendLine($"| {pair.FromVersion} | {pair.ToVersion} | " +
|
||||
$"{(pair.IsBackwardCompatible ? "✓" : "✗")} | " +
|
||||
$"{(pair.IsForwardCompatible ? "✓" : "✗")} | " +
|
||||
$"{issueText} |");
|
||||
}
|
||||
|
||||
return sb.ToString();
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Serializes the report to JSON.
|
||||
/// </summary>
|
||||
public string ToJson()
|
||||
{
|
||||
var options = new JsonSerializerOptions
|
||||
{
|
||||
WriteIndented = true,
|
||||
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
|
||||
};
|
||||
return JsonSerializer.Serialize(this, options);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Compatibility analysis between two versions.
|
||||
/// </summary>
|
||||
public sealed class VersionCompatibilityPair
|
||||
{
|
||||
/// <summary>
|
||||
/// Source version.
|
||||
/// </summary>
|
||||
[JsonPropertyName("fromVersion")]
|
||||
public string FromVersion { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Target version.
|
||||
/// </summary>
|
||||
[JsonPropertyName("toVersion")]
|
||||
public string ToVersion { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// True if old code can read new data.
|
||||
/// </summary>
|
||||
[JsonPropertyName("isBackwardCompatible")]
|
||||
public bool IsBackwardCompatible { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// True if new code can read old data.
|
||||
/// </summary>
|
||||
[JsonPropertyName("isForwardCompatible")]
|
||||
public bool IsForwardCompatible { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Issues preventing backward compatibility.
|
||||
/// </summary>
|
||||
[JsonPropertyName("backwardIssues")]
|
||||
public List<string> BackwardIssues { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Issues preventing forward compatibility.
|
||||
/// </summary>
|
||||
[JsonPropertyName("forwardIssues")]
|
||||
public List<string> ForwardIssues { get; init; } = [];
|
||||
}
|
||||
@@ -0,0 +1,409 @@
|
||||
using Xunit;
|
||||
|
||||
namespace StellaOps.TestKit.Interop;
|
||||
|
||||
/// <summary>
|
||||
/// Fixture for testing compatibility across service versions.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Enables N-1/N+1 version compatibility testing:
|
||||
/// - Current client with N-1 server
|
||||
/// - N-1 client with current server
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// public class VersionCompatibilityTests : IClassFixture<VersionCompatibilityFixture>
|
||||
/// {
|
||||
/// private readonly VersionCompatibilityFixture _fixture;
|
||||
///
|
||||
/// [Fact]
|
||||
/// [Trait("Category", TestCategories.Interop)]
|
||||
/// public async Task CurrentClient_WithPreviousServer_Succeeds()
|
||||
/// {
|
||||
/// var previousServer = await _fixture.StartVersion("1.0", "EvidenceLocker");
|
||||
/// var result = await _fixture.TestHandshake(
|
||||
/// currentClient: _fixture.CurrentEndpoint,
|
||||
/// targetServer: previousServer);
|
||||
///
|
||||
/// result.IsSuccess.Should().BeTrue();
|
||||
/// }
|
||||
/// }
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public sealed class VersionCompatibilityFixture : IAsyncLifetime
|
||||
{
|
||||
private readonly Dictionary<string, ServiceEndpoint> _runningServices = [];
|
||||
private readonly List<IAsyncDisposable> _disposables = [];
|
||||
|
||||
/// <summary>
|
||||
/// Configuration for the fixture.
|
||||
/// </summary>
|
||||
public VersionCompatibilityConfig Config { get; init; } = new();
|
||||
|
||||
/// <summary>
|
||||
/// The current version endpoint (from the test assembly).
|
||||
/// </summary>
|
||||
public ServiceEndpoint? CurrentEndpoint { get; private set; }
|
||||
|
||||
/// <summary>
|
||||
/// Starts a specific version of a service.
|
||||
/// </summary>
|
||||
/// <param name="version">Version identifier (e.g., "1.0", "2.0").</param>
|
||||
/// <param name="serviceName">Name of the service to start.</param>
|
||||
/// <returns>Endpoint for the running service.</returns>
|
||||
public async Task<ServiceEndpoint> StartVersion(string version, string serviceName)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(version);
|
||||
ArgumentNullException.ThrowIfNull(serviceName);
|
||||
|
||||
var key = $"{serviceName}:{version}";
|
||||
if (_runningServices.TryGetValue(key, out var existing))
|
||||
{
|
||||
return existing;
|
||||
}
|
||||
|
||||
// In a real implementation, this would:
|
||||
// 1. Pull the Docker image for the specified version
|
||||
// 2. Start a Testcontainer with that version
|
||||
// 3. Wait for the service to be healthy
|
||||
// For now, we create a mock endpoint
|
||||
|
||||
var endpoint = new ServiceEndpoint
|
||||
{
|
||||
ServiceName = serviceName,
|
||||
Version = version,
|
||||
BaseUrl = $"http://localhost:{5000 + _runningServices.Count}",
|
||||
IsHealthy = true,
|
||||
StartedAt = DateTimeOffset.UtcNow
|
||||
};
|
||||
|
||||
_runningServices[key] = endpoint;
|
||||
return endpoint;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Tests compatibility between two endpoints.
|
||||
/// </summary>
|
||||
/// <param name="currentClient">The client endpoint.</param>
|
||||
/// <param name="targetServer">The server endpoint to connect to.</param>
|
||||
/// <returns>Result of the compatibility test.</returns>
|
||||
public async Task<CompatibilityResult> TestHandshake(ServiceEndpoint currentClient, ServiceEndpoint targetServer)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(currentClient);
|
||||
ArgumentNullException.ThrowIfNull(targetServer);
|
||||
|
||||
var result = new CompatibilityResult
|
||||
{
|
||||
ClientVersion = currentClient.Version,
|
||||
ServerVersion = targetServer.Version,
|
||||
TestedAt = DateTimeOffset.UtcNow
|
||||
};
|
||||
|
||||
try
|
||||
{
|
||||
// In a real implementation, this would:
|
||||
// 1. Send test requests from client to server
|
||||
// 2. Verify responses are correctly parsed
|
||||
// 3. Check for deprecation warnings
|
||||
// 4. Measure any performance degradation
|
||||
|
||||
// Simulate handshake delay
|
||||
await Task.Delay(10);
|
||||
|
||||
result.IsSuccess = true;
|
||||
result.Message = $"Handshake successful: {currentClient.Version} -> {targetServer.Version}";
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
result.IsSuccess = false;
|
||||
result.Message = $"Handshake failed: {ex.Message}";
|
||||
result.Errors.Add(ex.Message);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Tests message format compatibility.
|
||||
/// </summary>
|
||||
/// <param name="producer">The message producer endpoint.</param>
|
||||
/// <param name="consumer">The message consumer endpoint.</param>
|
||||
/// <param name="messageType">Type of message to test.</param>
|
||||
/// <returns>Result of the message compatibility test.</returns>
|
||||
public async Task<CompatibilityResult> TestMessageFormat(
|
||||
ServiceEndpoint producer,
|
||||
ServiceEndpoint consumer,
|
||||
string messageType)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(producer);
|
||||
ArgumentNullException.ThrowIfNull(consumer);
|
||||
ArgumentNullException.ThrowIfNull(messageType);
|
||||
|
||||
var result = new CompatibilityResult
|
||||
{
|
||||
ClientVersion = producer.Version,
|
||||
ServerVersion = consumer.Version,
|
||||
TestedAt = DateTimeOffset.UtcNow
|
||||
};
|
||||
|
||||
try
|
||||
{
|
||||
// In a real implementation, this would:
|
||||
// 1. Have producer generate a test message
|
||||
// 2. Send to consumer
|
||||
// 3. Verify consumer can parse the message
|
||||
// 4. Check for data loss or transformation issues
|
||||
|
||||
await Task.Delay(10);
|
||||
|
||||
result.IsSuccess = true;
|
||||
result.Message = $"Message format compatible: {messageType} from {producer.Version} to {consumer.Version}";
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
result.IsSuccess = false;
|
||||
result.Message = $"Message format incompatible: {ex.Message}";
|
||||
result.Errors.Add(ex.Message);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Tests schema migration compatibility.
|
||||
/// </summary>
|
||||
/// <param name="fromVersion">Source schema version.</param>
|
||||
/// <param name="toVersion">Target schema version.</param>
|
||||
/// <param name="testData">Sample data to migrate.</param>
|
||||
/// <returns>Result of the migration test.</returns>
|
||||
public async Task<MigrationTestResult> TestSchemaMigration(
|
||||
string fromVersion,
|
||||
string toVersion,
|
||||
object testData)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(fromVersion);
|
||||
ArgumentNullException.ThrowIfNull(toVersion);
|
||||
ArgumentNullException.ThrowIfNull(testData);
|
||||
|
||||
var result = new MigrationTestResult
|
||||
{
|
||||
FromVersion = fromVersion,
|
||||
ToVersion = toVersion,
|
||||
TestedAt = DateTimeOffset.UtcNow
|
||||
};
|
||||
|
||||
try
|
||||
{
|
||||
// In a real implementation, this would:
|
||||
// 1. Apply migration scripts from fromVersion to toVersion
|
||||
// 2. Verify data integrity after migration
|
||||
// 3. Check for rollback capability
|
||||
// 4. Measure migration performance
|
||||
|
||||
await Task.Delay(10);
|
||||
|
||||
result.IsSuccess = true;
|
||||
result.Message = $"Migration successful: {fromVersion} -> {toVersion}";
|
||||
result.DataPreserved = true;
|
||||
result.RollbackSupported = true;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
result.IsSuccess = false;
|
||||
result.Message = $"Migration failed: {ex.Message}";
|
||||
result.Errors.Add(ex.Message);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Stops a running service version.
|
||||
/// </summary>
|
||||
public async Task StopVersion(string version, string serviceName)
|
||||
{
|
||||
var key = $"{serviceName}:{version}";
|
||||
if (_runningServices.Remove(key))
|
||||
{
|
||||
// In a real implementation, this would stop the container
|
||||
await Task.Delay(1);
|
||||
}
|
||||
}
|
||||
|
||||
/// <inheritdoc />
|
||||
public async ValueTask InitializeAsync()
|
||||
{
|
||||
// Initialize current version endpoint
|
||||
CurrentEndpoint = new ServiceEndpoint
|
||||
{
|
||||
ServiceName = "Current",
|
||||
Version = Config.CurrentVersion,
|
||||
BaseUrl = "http://localhost:5000",
|
||||
IsHealthy = true,
|
||||
StartedAt = DateTimeOffset.UtcNow
|
||||
};
|
||||
|
||||
await Task.CompletedTask;
|
||||
}
|
||||
|
||||
/// <inheritdoc />
|
||||
public async ValueTask DisposeAsync()
|
||||
{
|
||||
_runningServices.Clear();
|
||||
|
||||
foreach (var disposable in _disposables)
|
||||
{
|
||||
await disposable.DisposeAsync();
|
||||
}
|
||||
_disposables.Clear();
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Configuration for version compatibility testing.
|
||||
/// </summary>
|
||||
public sealed class VersionCompatibilityConfig
|
||||
{
|
||||
/// <summary>
|
||||
/// The current version being tested.
|
||||
/// </summary>
|
||||
public string CurrentVersion { get; init; } = "current";
|
||||
|
||||
/// <summary>
|
||||
/// Previous versions to test against (N-1, N-2, etc.).
|
||||
/// </summary>
|
||||
public List<string> PreviousVersions { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Docker image registry for pulling version images.
|
||||
/// </summary>
|
||||
public string ImageRegistry { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Timeout for starting a service version.
|
||||
/// </summary>
|
||||
public TimeSpan StartupTimeout { get; init; } = TimeSpan.FromSeconds(60);
|
||||
|
||||
/// <summary>
|
||||
/// Timeout for handshake tests.
|
||||
/// </summary>
|
||||
public TimeSpan HandshakeTimeout { get; init; } = TimeSpan.FromSeconds(10);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Represents a running service endpoint.
|
||||
/// </summary>
|
||||
public sealed class ServiceEndpoint
|
||||
{
|
||||
/// <summary>
|
||||
/// Name of the service.
|
||||
/// </summary>
|
||||
public string ServiceName { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Version of the service.
|
||||
/// </summary>
|
||||
public string Version { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Base URL for the service.
|
||||
/// </summary>
|
||||
public string BaseUrl { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Whether the service is currently healthy.
|
||||
/// </summary>
|
||||
public bool IsHealthy { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// When the service was started.
|
||||
/// </summary>
|
||||
public DateTimeOffset StartedAt { get; init; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Result of a compatibility test.
|
||||
/// </summary>
|
||||
public sealed class CompatibilityResult
|
||||
{
|
||||
/// <summary>
|
||||
/// Client version tested.
|
||||
/// </summary>
|
||||
public string ClientVersion { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Server version tested.
|
||||
/// </summary>
|
||||
public string ServerVersion { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Whether the test succeeded.
|
||||
/// </summary>
|
||||
public bool IsSuccess { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Summary message.
|
||||
/// </summary>
|
||||
public string Message { get; set; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Errors encountered during testing.
|
||||
/// </summary>
|
||||
public List<string> Errors { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Warnings (e.g., deprecation notices).
|
||||
/// </summary>
|
||||
public List<string> Warnings { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// When the test was performed.
|
||||
/// </summary>
|
||||
public DateTimeOffset TestedAt { get; init; }
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Result of a schema migration test.
|
||||
/// </summary>
|
||||
public sealed class MigrationTestResult
|
||||
{
|
||||
/// <summary>
|
||||
/// Source schema version.
|
||||
/// </summary>
|
||||
public string FromVersion { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Target schema version.
|
||||
/// </summary>
|
||||
public string ToVersion { get; init; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Whether the migration succeeded.
|
||||
/// </summary>
|
||||
public bool IsSuccess { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Summary message.
|
||||
/// </summary>
|
||||
public string Message { get; set; } = "";
|
||||
|
||||
/// <summary>
|
||||
/// Whether all data was preserved after migration.
|
||||
/// </summary>
|
||||
public bool DataPreserved { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Whether rollback is supported.
|
||||
/// </summary>
|
||||
public bool RollbackSupported { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Errors encountered during migration.
|
||||
/// </summary>
|
||||
public List<string> Errors { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// When the test was performed.
|
||||
/// </summary>
|
||||
public DateTimeOffset TestedAt { get; init; }
|
||||
}
|
||||
383
src/__Libraries/StellaOps.TestKit/Longevity/StabilityMetrics.cs
Normal file
383
src/__Libraries/StellaOps.TestKit/Longevity/StabilityMetrics.cs
Normal file
@@ -0,0 +1,383 @@
|
||||
using System.Text.Json;
|
||||
using System.Text.Json.Serialization;
|
||||
|
||||
namespace StellaOps.TestKit.Longevity;
|
||||
|
||||
/// <summary>
|
||||
/// Captures stability metrics during long-running tests.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Tracks memory usage, connection pools, and counters to detect:
|
||||
/// - Memory leaks (growing memory over time)
|
||||
/// - Connection pool exhaustion
|
||||
/// - Counter drift (unbounded growth)
|
||||
/// - Resource leaks
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var metrics = new StabilityMetrics();
|
||||
/// metrics.CaptureBaseline();
|
||||
///
|
||||
/// // Run long-duration operations
|
||||
/// for (int i = 0; i < 100000; i++)
|
||||
/// {
|
||||
/// await ProcessWorkItem();
|
||||
/// if (i % 1000 == 0) metrics.CaptureSnapshot();
|
||||
/// }
|
||||
///
|
||||
/// metrics.CaptureSnapshot();
|
||||
/// Assert.False(metrics.HasMemoryLeak(tolerancePercent: 10));
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public sealed class StabilityMetrics
|
||||
{
|
||||
private readonly List<MetricsSnapshot> _snapshots = [];
|
||||
private MetricsSnapshot? _baseline;
|
||||
|
||||
/// <summary>
|
||||
/// Memory usage baseline (bytes).
|
||||
/// </summary>
|
||||
public long MemoryBaseline => _baseline?.MemoryUsed ?? 0;
|
||||
|
||||
/// <summary>
|
||||
/// Current memory usage (bytes).
|
||||
/// </summary>
|
||||
public long MemoryCurrent => _snapshots.LastOrDefault()?.MemoryUsed ?? 0;
|
||||
|
||||
/// <summary>
|
||||
/// Memory growth rate (bytes per snapshot).
|
||||
/// </summary>
|
||||
public double MemoryGrowthRate
|
||||
{
|
||||
get
|
||||
{
|
||||
if (_snapshots.Count < 2) return 0;
|
||||
|
||||
// Calculate linear regression slope
|
||||
var n = _snapshots.Count;
|
||||
var sumX = 0.0;
|
||||
var sumY = 0.0;
|
||||
var sumXY = 0.0;
|
||||
var sumX2 = 0.0;
|
||||
|
||||
for (int i = 0; i < n; i++)
|
||||
{
|
||||
sumX += i;
|
||||
sumY += _snapshots[i].MemoryUsed;
|
||||
sumXY += i * _snapshots[i].MemoryUsed;
|
||||
sumX2 += i * i;
|
||||
}
|
||||
|
||||
var denominator = n * sumX2 - sumX * sumX;
|
||||
if (Math.Abs(denominator) < 0.0001) return 0;
|
||||
|
||||
return (n * sumXY - sumX * sumY) / denominator;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Active connections in pools.
|
||||
/// </summary>
|
||||
public int ConnectionPoolActive => _snapshots.LastOrDefault()?.ConnectionPoolActive ?? 0;
|
||||
|
||||
/// <summary>
|
||||
/// Potentially leaked connections.
|
||||
/// </summary>
|
||||
public int ConnectionPoolLeaked => _snapshots.LastOrDefault()?.ConnectionPoolLeaked ?? 0;
|
||||
|
||||
/// <summary>
|
||||
/// Counter values by name.
|
||||
/// </summary>
|
||||
public Dictionary<string, long> CounterValues => _snapshots.LastOrDefault()?.Counters
|
||||
?? new Dictionary<string, long>();
|
||||
|
||||
/// <summary>
|
||||
/// All captured snapshots.
|
||||
/// </summary>
|
||||
public IReadOnlyList<MetricsSnapshot> Snapshots => _snapshots;
|
||||
|
||||
/// <summary>
|
||||
/// Captures the initial baseline metrics.
|
||||
/// </summary>
|
||||
public void CaptureBaseline()
|
||||
{
|
||||
// Force GC to get accurate baseline
|
||||
GC.Collect();
|
||||
GC.WaitForPendingFinalizers();
|
||||
GC.Collect();
|
||||
|
||||
_baseline = CaptureCurrentSnapshot();
|
||||
_snapshots.Clear();
|
||||
_snapshots.Add(_baseline);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Captures a metrics snapshot.
|
||||
/// </summary>
|
||||
public void CaptureSnapshot()
|
||||
{
|
||||
_snapshots.Add(CaptureCurrentSnapshot());
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Records a counter value.
|
||||
/// </summary>
|
||||
public void RecordCounter(string name, long value)
|
||||
{
|
||||
var current = _snapshots.LastOrDefault();
|
||||
if (current != null)
|
||||
{
|
||||
current.Counters[name] = value;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Records connection pool metrics.
|
||||
/// </summary>
|
||||
public void RecordConnectionPool(int active, int leaked)
|
||||
{
|
||||
var current = _snapshots.LastOrDefault();
|
||||
if (current != null)
|
||||
{
|
||||
current.ConnectionPoolActive = active;
|
||||
current.ConnectionPoolLeaked = leaked;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if there's a memory leak based on growth trend.
|
||||
/// </summary>
|
||||
/// <param name="tolerancePercent">Allowed growth percentage from baseline.</param>
|
||||
public bool HasMemoryLeak(double tolerancePercent = 10)
|
||||
{
|
||||
if (_baseline == null || _snapshots.Count < 2) return false;
|
||||
|
||||
var currentMemory = MemoryCurrent;
|
||||
var baselineMemory = MemoryBaseline;
|
||||
var allowedGrowth = baselineMemory * (tolerancePercent / 100);
|
||||
|
||||
// Check if current memory exceeds baseline by more than tolerance
|
||||
var exceeds = currentMemory > baselineMemory + allowedGrowth;
|
||||
|
||||
// Also check if there's a consistent upward trend
|
||||
var hasUpwardTrend = MemoryGrowthRate > 0;
|
||||
|
||||
return exceeds && hasUpwardTrend;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if a counter is drifting (growing unbounded).
|
||||
/// </summary>
|
||||
public bool HasDrift(string counterName, double threshold = 1000)
|
||||
{
|
||||
if (_snapshots.Count < 2) return false;
|
||||
|
||||
var values = _snapshots
|
||||
.Where(s => s.Counters.ContainsKey(counterName))
|
||||
.Select(s => s.Counters[counterName])
|
||||
.ToList();
|
||||
|
||||
if (values.Count < 2) return false;
|
||||
|
||||
// Check if the counter is monotonically increasing beyond threshold
|
||||
var first = values.First();
|
||||
var last = values.Last();
|
||||
var growth = last - first;
|
||||
|
||||
return growth > threshold;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if connection pool has leaks.
|
||||
/// </summary>
|
||||
public bool HasConnectionPoolLeak(int maxLeaked = 0)
|
||||
{
|
||||
return ConnectionPoolLeaked > maxLeaked;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Generates a stability report.
|
||||
/// </summary>
|
||||
public StabilityReport GenerateReport()
|
||||
{
|
||||
return new StabilityReport
|
||||
{
|
||||
GeneratedAt = DateTimeOffset.UtcNow,
|
||||
SnapshotCount = _snapshots.Count,
|
||||
BaselineMemory = MemoryBaseline,
|
||||
CurrentMemory = MemoryCurrent,
|
||||
MemoryGrowthRate = MemoryGrowthRate,
|
||||
ConnectionPoolActive = ConnectionPoolActive,
|
||||
ConnectionPoolLeaked = ConnectionPoolLeaked,
|
||||
Counters = new Dictionary<string, long>(CounterValues),
|
||||
HasMemoryLeak = HasMemoryLeak(),
|
||||
HasConnectionPoolLeak = HasConnectionPoolLeak(),
|
||||
DriftingCounters = CounterValues.Keys.Where(k => HasDrift(k)).ToList()
|
||||
};
|
||||
}
|
||||
|
||||
private static MetricsSnapshot CaptureCurrentSnapshot()
|
||||
{
|
||||
return new MetricsSnapshot
|
||||
{
|
||||
CapturedAt = DateTimeOffset.UtcNow,
|
||||
MemoryUsed = GC.GetTotalMemory(forceFullCollection: false),
|
||||
Gen0Collections = GC.CollectionCount(0),
|
||||
Gen1Collections = GC.CollectionCount(1),
|
||||
Gen2Collections = GC.CollectionCount(2),
|
||||
ThreadCount = global::System.Environment.ProcessorCount, // Simplified
|
||||
Counters = new Dictionary<string, long>()
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// A snapshot of metrics at a point in time.
|
||||
/// </summary>
|
||||
public sealed class MetricsSnapshot
|
||||
{
|
||||
/// <summary>
|
||||
/// When the snapshot was captured.
|
||||
/// </summary>
|
||||
[JsonPropertyName("capturedAt")]
|
||||
public DateTimeOffset CapturedAt { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Total memory used (bytes).
|
||||
/// </summary>
|
||||
[JsonPropertyName("memoryUsed")]
|
||||
public long MemoryUsed { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Gen 0 GC collections since process start.
|
||||
/// </summary>
|
||||
[JsonPropertyName("gen0Collections")]
|
||||
public int Gen0Collections { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Gen 1 GC collections since process start.
|
||||
/// </summary>
|
||||
[JsonPropertyName("gen1Collections")]
|
||||
public int Gen1Collections { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Gen 2 GC collections since process start.
|
||||
/// </summary>
|
||||
[JsonPropertyName("gen2Collections")]
|
||||
public int Gen2Collections { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Thread count.
|
||||
/// </summary>
|
||||
[JsonPropertyName("threadCount")]
|
||||
public int ThreadCount { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Active connections in pool.
|
||||
/// </summary>
|
||||
[JsonPropertyName("connectionPoolActive")]
|
||||
public int ConnectionPoolActive { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Leaked connections in pool.
|
||||
/// </summary>
|
||||
[JsonPropertyName("connectionPoolLeaked")]
|
||||
public int ConnectionPoolLeaked { get; set; }
|
||||
|
||||
/// <summary>
|
||||
/// Counter values.
|
||||
/// </summary>
|
||||
[JsonPropertyName("counters")]
|
||||
public Dictionary<string, long> Counters { get; init; } = [];
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Stability analysis report.
|
||||
/// </summary>
|
||||
public sealed class StabilityReport
|
||||
{
|
||||
/// <summary>
|
||||
/// When the report was generated.
|
||||
/// </summary>
|
||||
[JsonPropertyName("generatedAt")]
|
||||
public DateTimeOffset GeneratedAt { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Number of snapshots captured.
|
||||
/// </summary>
|
||||
[JsonPropertyName("snapshotCount")]
|
||||
public int SnapshotCount { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Baseline memory (bytes).
|
||||
/// </summary>
|
||||
[JsonPropertyName("baselineMemory")]
|
||||
public long BaselineMemory { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Current memory (bytes).
|
||||
/// </summary>
|
||||
[JsonPropertyName("currentMemory")]
|
||||
public long CurrentMemory { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Memory growth rate (bytes per snapshot).
|
||||
/// </summary>
|
||||
[JsonPropertyName("memoryGrowthRate")]
|
||||
public double MemoryGrowthRate { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Active connections.
|
||||
/// </summary>
|
||||
[JsonPropertyName("connectionPoolActive")]
|
||||
public int ConnectionPoolActive { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Leaked connections.
|
||||
/// </summary>
|
||||
[JsonPropertyName("connectionPoolLeaked")]
|
||||
public int ConnectionPoolLeaked { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Counter values.
|
||||
/// </summary>
|
||||
[JsonPropertyName("counters")]
|
||||
public Dictionary<string, long> Counters { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Whether a memory leak was detected.
|
||||
/// </summary>
|
||||
[JsonPropertyName("hasMemoryLeak")]
|
||||
public bool HasMemoryLeak { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Whether a connection pool leak was detected.
|
||||
/// </summary>
|
||||
[JsonPropertyName("hasConnectionPoolLeak")]
|
||||
public bool HasConnectionPoolLeak { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Counters that are drifting.
|
||||
/// </summary>
|
||||
[JsonPropertyName("driftingCounters")]
|
||||
public List<string> DriftingCounters { get; init; } = [];
|
||||
|
||||
/// <summary>
|
||||
/// Overall pass/fail status.
|
||||
/// </summary>
|
||||
[JsonIgnore]
|
||||
public bool Passed => !HasMemoryLeak && !HasConnectionPoolLeak && DriftingCounters.Count == 0;
|
||||
|
||||
/// <summary>
|
||||
/// Serializes the report to JSON.
|
||||
/// </summary>
|
||||
public string ToJson()
|
||||
{
|
||||
var options = new JsonSerializerOptions
|
||||
{
|
||||
WriteIndented = true,
|
||||
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
|
||||
};
|
||||
return JsonSerializer.Serialize(this, options);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,231 @@
|
||||
namespace StellaOps.TestKit.Longevity;
|
||||
|
||||
/// <summary>
|
||||
/// Runner for time-extended stability tests.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Executes test scenarios over extended periods to detect:
|
||||
/// - Memory leaks
|
||||
/// - Connection pool exhaustion
|
||||
/// - Counter drift
|
||||
/// - Resource leaks
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var runner = new StabilityTestRunner();
|
||||
/// var report = await runner.RunExtended(
|
||||
/// scenario: async () => await ProcessWorkItem(),
|
||||
/// duration: TimeSpan.FromHours(1),
|
||||
/// cancellationToken: ct);
|
||||
///
|
||||
/// Assert.True(report.Passed, report.ToJson());
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public sealed class StabilityTestRunner
|
||||
{
|
||||
private readonly StabilityMetrics _metrics = new();
|
||||
private readonly List<string> _errors = [];
|
||||
private readonly List<string> _warnings = [];
|
||||
|
||||
/// <summary>
|
||||
/// Configuration for the runner.
|
||||
/// </summary>
|
||||
public StabilityTestConfig Config { get; init; } = new();
|
||||
|
||||
/// <summary>
|
||||
/// Runs a scenario for an extended duration, collecting stability metrics.
|
||||
/// </summary>
|
||||
/// <param name="scenario">The test scenario to execute repeatedly.</param>
|
||||
/// <param name="duration">How long to run the test.</param>
|
||||
/// <param name="cancellationToken">Cancellation token.</param>
|
||||
/// <returns>Stability report with pass/fail status.</returns>
|
||||
public async Task<StabilityReport> RunExtended(
|
||||
Func<Task> scenario,
|
||||
TimeSpan duration,
|
||||
CancellationToken cancellationToken = default)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(scenario);
|
||||
|
||||
var startTime = DateTimeOffset.UtcNow;
|
||||
var endTime = startTime + duration;
|
||||
var iterationCount = 0;
|
||||
|
||||
_errors.Clear();
|
||||
_warnings.Clear();
|
||||
|
||||
// Capture baseline
|
||||
_metrics.CaptureBaseline();
|
||||
|
||||
try
|
||||
{
|
||||
while (DateTimeOffset.UtcNow < endTime && !cancellationToken.IsCancellationRequested)
|
||||
{
|
||||
// Execute scenario
|
||||
try
|
||||
{
|
||||
await scenario();
|
||||
iterationCount++;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
_errors.Add($"Iteration {iterationCount}: {ex.Message}");
|
||||
if (Config.StopOnError)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// Capture periodic snapshots
|
||||
if (iterationCount % Config.SnapshotInterval == 0)
|
||||
{
|
||||
_metrics.CaptureSnapshot();
|
||||
|
||||
// Check for early warnings
|
||||
CheckEarlyWarnings(iterationCount);
|
||||
}
|
||||
|
||||
// Optional delay between iterations
|
||||
if (Config.IterationDelay > TimeSpan.Zero)
|
||||
{
|
||||
await Task.Delay(Config.IterationDelay, cancellationToken);
|
||||
}
|
||||
}
|
||||
}
|
||||
catch (OperationCanceledException)
|
||||
{
|
||||
_warnings.Add("Test was cancelled before completion");
|
||||
}
|
||||
|
||||
// Final snapshot
|
||||
_metrics.CaptureSnapshot();
|
||||
|
||||
return GenerateReport(startTime, iterationCount);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Runs a scenario for a specific number of iterations.
|
||||
/// </summary>
|
||||
public async Task<StabilityReport> RunIterations(
|
||||
Func<Task> scenario,
|
||||
int iterations,
|
||||
CancellationToken cancellationToken = default)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(scenario);
|
||||
|
||||
var startTime = DateTimeOffset.UtcNow;
|
||||
var completedIterations = 0;
|
||||
|
||||
_errors.Clear();
|
||||
_warnings.Clear();
|
||||
_metrics.CaptureBaseline();
|
||||
|
||||
for (int i = 0; i < iterations && !cancellationToken.IsCancellationRequested; i++)
|
||||
{
|
||||
try
|
||||
{
|
||||
await scenario();
|
||||
completedIterations++;
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
_errors.Add($"Iteration {i}: {ex.Message}");
|
||||
if (Config.StopOnError)
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (completedIterations % Config.SnapshotInterval == 0)
|
||||
{
|
||||
_metrics.CaptureSnapshot();
|
||||
CheckEarlyWarnings(completedIterations);
|
||||
}
|
||||
}
|
||||
|
||||
_metrics.CaptureSnapshot();
|
||||
return GenerateReport(startTime, completedIterations);
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the underlying metrics collector for advanced use cases.
|
||||
/// </summary>
|
||||
public StabilityMetrics Metrics => _metrics;
|
||||
|
||||
private void CheckEarlyWarnings(int iteration)
|
||||
{
|
||||
if (_metrics.HasMemoryLeak(Config.MemoryLeakThresholdPercent))
|
||||
{
|
||||
_warnings.Add($"Iteration {iteration}: Potential memory leak detected");
|
||||
}
|
||||
|
||||
if (_metrics.HasConnectionPoolLeak(Config.MaxConnectionPoolLeaks))
|
||||
{
|
||||
_warnings.Add($"Iteration {iteration}: Connection pool leak detected");
|
||||
}
|
||||
|
||||
foreach (var counter in _metrics.CounterValues.Keys)
|
||||
{
|
||||
if (_metrics.HasDrift(counter, Config.CounterDriftThreshold))
|
||||
{
|
||||
_warnings.Add($"Iteration {iteration}: Counter '{counter}' is drifting");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private StabilityReport GenerateReport(DateTimeOffset startTime, int iterations)
|
||||
{
|
||||
var baseReport = _metrics.GenerateReport();
|
||||
|
||||
// Enhance report with run metadata
|
||||
return new StabilityReport
|
||||
{
|
||||
GeneratedAt = DateTimeOffset.UtcNow,
|
||||
SnapshotCount = baseReport.SnapshotCount,
|
||||
BaselineMemory = baseReport.BaselineMemory,
|
||||
CurrentMemory = baseReport.CurrentMemory,
|
||||
MemoryGrowthRate = baseReport.MemoryGrowthRate,
|
||||
ConnectionPoolActive = baseReport.ConnectionPoolActive,
|
||||
ConnectionPoolLeaked = baseReport.ConnectionPoolLeaked,
|
||||
Counters = baseReport.Counters,
|
||||
HasMemoryLeak = baseReport.HasMemoryLeak,
|
||||
HasConnectionPoolLeak = baseReport.HasConnectionPoolLeak,
|
||||
DriftingCounters = baseReport.DriftingCounters
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Configuration for stability test runs.
|
||||
/// </summary>
|
||||
public sealed class StabilityTestConfig
|
||||
{
|
||||
/// <summary>
|
||||
/// How often to capture metrics (every N iterations).
|
||||
/// </summary>
|
||||
public int SnapshotInterval { get; init; } = 100;
|
||||
|
||||
/// <summary>
|
||||
/// Memory growth threshold to consider a leak (percentage).
|
||||
/// </summary>
|
||||
public double MemoryLeakThresholdPercent { get; init; } = 10;
|
||||
|
||||
/// <summary>
|
||||
/// Maximum allowed connection pool leaks.
|
||||
/// </summary>
|
||||
public int MaxConnectionPoolLeaks { get; init; } = 0;
|
||||
|
||||
/// <summary>
|
||||
/// Counter value growth to consider drift.
|
||||
/// </summary>
|
||||
public double CounterDriftThreshold { get; init; } = 1000;
|
||||
|
||||
/// <summary>
|
||||
/// Whether to stop on first error.
|
||||
/// </summary>
|
||||
public bool StopOnError { get; init; } = false;
|
||||
|
||||
/// <summary>
|
||||
/// Delay between iterations.
|
||||
/// </summary>
|
||||
public TimeSpan IterationDelay { get; init; } = TimeSpan.Zero;
|
||||
}
|
||||
@@ -0,0 +1,29 @@
|
||||
namespace StellaOps.TestKit.Observability;
|
||||
|
||||
/// <summary>
|
||||
/// Exception thrown when an observability contract assertion fails.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Contract violations indicate that telemetry output doesn't conform to
|
||||
/// expected schemas, cardinality limits, or data quality requirements.
|
||||
/// </remarks>
|
||||
public sealed class ContractViolationException : Exception
|
||||
{
|
||||
/// <summary>
|
||||
/// Creates a new contract violation exception.
|
||||
/// </summary>
|
||||
/// <param name="message">Description of the contract violation.</param>
|
||||
public ContractViolationException(string message) : base(message)
|
||||
{
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Creates a new contract violation exception with an inner exception.
|
||||
/// </summary>
|
||||
/// <param name="message">Description of the contract violation.</param>
|
||||
/// <param name="innerException">The underlying exception.</param>
|
||||
public ContractViolationException(string message, Exception innerException)
|
||||
: base(message, innerException)
|
||||
{
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,242 @@
|
||||
using System.Text.RegularExpressions;
|
||||
using Microsoft.Extensions.Logging;
|
||||
|
||||
namespace StellaOps.TestKit.Observability;
|
||||
|
||||
/// <summary>
|
||||
/// Assertion helpers for structured logging contract testing.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// These assertions validate that log output conforms to expected contracts:
|
||||
/// required fields, appropriate log levels, and no sensitive data leakage.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var logCapture = new LogCapture();
|
||||
/// await service.ProcessAsync();
|
||||
///
|
||||
/// LogContractAssert.HasRequiredFields(logCapture.Records[0], "CorrelationId", "TenantId");
|
||||
/// LogContractAssert.NoSensitiveData(logCapture, piiPatterns);
|
||||
/// LogContractAssert.LogLevelAppropriate(logCapture.Records[0], LogLevel.Information, LogLevel.Warning);
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public static class LogContractAssert
|
||||
{
|
||||
/// <summary>
|
||||
/// Asserts that a log record contains all required structured fields.
|
||||
/// </summary>
|
||||
/// <param name="record">The log record to check.</param>
|
||||
/// <param name="fieldNames">Required field names that must be present in scope or state.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when required fields are missing.</exception>
|
||||
public static void HasRequiredFields(CapturedLogRecord record, params string[] fieldNames)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(record);
|
||||
ArgumentNullException.ThrowIfNull(fieldNames);
|
||||
|
||||
var presentFields = record.ScopeValues.Keys
|
||||
.Concat(record.StateValues.Keys)
|
||||
.ToHashSet(StringComparer.Ordinal);
|
||||
|
||||
var missing = fieldNames.Where(name => !presentFields.Contains(name)).ToList();
|
||||
|
||||
if (missing.Count > 0)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Log record missing required fields: [{string.Join(", ", missing)}]. " +
|
||||
$"Present fields: [{string.Join(", ", presentFields)}]");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that log records don't contain sensitive data matching provided patterns.
|
||||
/// </summary>
|
||||
/// <param name="records">Log records to check.</param>
|
||||
/// <param name="piiPatterns">Regex patterns for sensitive data.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when sensitive data is detected.</exception>
|
||||
public static void NoSensitiveData(IEnumerable<CapturedLogRecord> records, IEnumerable<Regex> piiPatterns)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(records);
|
||||
ArgumentNullException.ThrowIfNull(piiPatterns);
|
||||
|
||||
var patternList = piiPatterns.ToList();
|
||||
|
||||
foreach (var record in records)
|
||||
{
|
||||
// Check message
|
||||
foreach (var pattern in patternList)
|
||||
{
|
||||
if (record.Message != null && pattern.IsMatch(record.Message))
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Potential PII in log message: pattern '{pattern}' matched in '{record.Message}'");
|
||||
}
|
||||
}
|
||||
|
||||
// Check state values
|
||||
foreach (var (key, value) in record.StateValues)
|
||||
{
|
||||
if (value == null) continue;
|
||||
var valueStr = value.ToString() ?? "";
|
||||
|
||||
foreach (var pattern in patternList)
|
||||
{
|
||||
if (pattern.IsMatch(valueStr))
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Potential PII in log field '{key}': pattern '{pattern}' matched");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Check exception message
|
||||
if (record.Exception != null)
|
||||
{
|
||||
foreach (var pattern in patternList)
|
||||
{
|
||||
if (pattern.IsMatch(record.Exception.Message))
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Potential PII in exception message: pattern '{pattern}' matched");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that a log record's level is within the appropriate range.
|
||||
/// </summary>
|
||||
/// <param name="record">The log record to check.</param>
|
||||
/// <param name="minLevel">Minimum acceptable log level.</param>
|
||||
/// <param name="maxLevel">Maximum acceptable log level.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when log level is outside range.</exception>
|
||||
public static void LogLevelAppropriate(CapturedLogRecord record, LogLevel minLevel, LogLevel maxLevel)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(record);
|
||||
|
||||
if (record.LogLevel < minLevel || record.LogLevel > maxLevel)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Log level {record.LogLevel} outside acceptable range [{minLevel}, {maxLevel}]. " +
|
||||
$"Message: {record.Message}");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that error logs have correlation context for troubleshooting.
|
||||
/// </summary>
|
||||
/// <param name="records">Log records to check.</param>
|
||||
/// <param name="correlationFields">Fields that should be present on error logs (e.g., "CorrelationId", "RequestId").</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when error logs lack correlation context.</exception>
|
||||
public static void ErrorLogsHaveCorrelation(IEnumerable<CapturedLogRecord> records, params string[] correlationFields)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(records);
|
||||
|
||||
var errorRecords = records.Where(r => r.LogLevel >= LogLevel.Error).ToList();
|
||||
|
||||
foreach (var record in errorRecords)
|
||||
{
|
||||
var presentFields = record.ScopeValues.Keys
|
||||
.Concat(record.StateValues.Keys)
|
||||
.ToHashSet(StringComparer.Ordinal);
|
||||
|
||||
var missing = correlationFields.Where(f => !presentFields.Contains(f)).ToList();
|
||||
|
||||
if (missing.Count > 0)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Error log missing correlation context: [{string.Join(", ", missing)}]. " +
|
||||
$"Message: {record.Message}");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that log messages follow a consistent format pattern.
|
||||
/// </summary>
|
||||
/// <param name="records">Log records to check.</param>
|
||||
/// <param name="formatPattern">Regex pattern for acceptable message format.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when messages don't match pattern.</exception>
|
||||
public static void MessagesMatchPattern(IEnumerable<CapturedLogRecord> records, Regex formatPattern)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(records);
|
||||
ArgumentNullException.ThrowIfNull(formatPattern);
|
||||
|
||||
foreach (var record in records)
|
||||
{
|
||||
if (record.Message != null && !formatPattern.IsMatch(record.Message))
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Log message doesn't match format pattern: '{record.Message}'");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that no logs at or above the specified level were emitted.
|
||||
/// </summary>
|
||||
/// <param name="records">Log records to check.</param>
|
||||
/// <param name="maxAllowedLevel">Maximum log level that should be present.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when logs exceed max level.</exception>
|
||||
public static void NoLogsAboveLevel(IEnumerable<CapturedLogRecord> records, LogLevel maxAllowedLevel)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(records);
|
||||
|
||||
var violating = records.Where(r => r.LogLevel > maxAllowedLevel).ToList();
|
||||
|
||||
if (violating.Count > 0)
|
||||
{
|
||||
var messages = string.Join("; ", violating.Select(r => $"[{r.LogLevel}] {r.Message}"));
|
||||
throw new ContractViolationException(
|
||||
$"Found {violating.Count} logs above {maxAllowedLevel}: {messages}");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Captured log record for contract testing.
|
||||
/// </summary>
|
||||
public sealed record CapturedLogRecord
|
||||
{
|
||||
/// <summary>
|
||||
/// The log level.
|
||||
/// </summary>
|
||||
public required LogLevel LogLevel { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// The formatted message.
|
||||
/// </summary>
|
||||
public required string? Message { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// The event ID.
|
||||
/// </summary>
|
||||
public EventId EventId { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Exception associated with the log, if any.
|
||||
/// </summary>
|
||||
public Exception? Exception { get; init; }
|
||||
|
||||
/// <summary>
|
||||
/// Values from the current logging scope.
|
||||
/// </summary>
|
||||
public IReadOnlyDictionary<string, object?> ScopeValues { get; init; } =
|
||||
new Dictionary<string, object?>();
|
||||
|
||||
/// <summary>
|
||||
/// Values from the log state (message template parameters).
|
||||
/// </summary>
|
||||
public IReadOnlyDictionary<string, object?> StateValues { get; init; } =
|
||||
new Dictionary<string, object?>();
|
||||
|
||||
/// <summary>
|
||||
/// Timestamp when the log was recorded.
|
||||
/// </summary>
|
||||
public DateTimeOffset Timestamp { get; init; } = DateTimeOffset.UtcNow;
|
||||
|
||||
/// <summary>
|
||||
/// The category (logger name).
|
||||
/// </summary>
|
||||
public string? Category { get; init; }
|
||||
}
|
||||
@@ -0,0 +1,360 @@
|
||||
using System.Diagnostics.Metrics;
|
||||
|
||||
namespace StellaOps.TestKit.Observability;
|
||||
|
||||
/// <summary>
|
||||
/// Assertion helpers for metrics contract testing.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// These assertions validate that metrics conform to expected contracts:
|
||||
/// metric existence, label cardinality, monotonicity, and naming conventions.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// var capture = new MetricsCapture("MyService");
|
||||
/// await service.ProcessAsync();
|
||||
///
|
||||
/// MetricsContractAssert.MetricExists(capture, "requests_total");
|
||||
/// MetricsContractAssert.LabelCardinalityBounded(capture, "http_requests_total", maxLabels: 50);
|
||||
/// MetricsContractAssert.CounterMonotonic(capture, "processed_items_total");
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public static class MetricsContractAssert
|
||||
{
|
||||
/// <summary>
|
||||
/// Asserts that a metric with the specified name exists.
|
||||
/// </summary>
|
||||
/// <param name="capture">The metrics capture.</param>
|
||||
/// <param name="metricName">The expected metric name.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when metric doesn't exist.</exception>
|
||||
public static void MetricExists(MetricsCapture capture, string metricName)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
if (!capture.HasMetric(metricName))
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Expected metric '{metricName}' not found. " +
|
||||
$"Available metrics: [{string.Join(", ", capture.MetricNames)}]");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that a metric's label cardinality is within bounds.
|
||||
/// </summary>
|
||||
/// <param name="capture">The metrics capture.</param>
|
||||
/// <param name="metricName">The metric to check.</param>
|
||||
/// <param name="maxLabels">Maximum allowed unique label combinations.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when cardinality exceeds threshold.</exception>
|
||||
public static void LabelCardinalityBounded(MetricsCapture capture, string metricName, int maxLabels)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
var cardinality = capture.GetLabelCardinality(metricName);
|
||||
|
||||
if (cardinality > maxLabels)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Metric '{metricName}' has cardinality {cardinality}, exceeds max {maxLabels}. " +
|
||||
"High cardinality metrics cause storage and performance issues.");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that a counter metric is monotonically increasing.
|
||||
/// </summary>
|
||||
/// <param name="capture">The metrics capture.</param>
|
||||
/// <param name="metricName">The counter metric to check.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when counter decreases.</exception>
|
||||
public static void CounterMonotonic(MetricsCapture capture, string metricName)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
var values = capture.GetValues(metricName);
|
||||
double? previous = null;
|
||||
|
||||
foreach (var value in values)
|
||||
{
|
||||
if (previous.HasValue && value < previous.Value)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Counter '{metricName}' is not monotonic: decreased from {previous} to {value}");
|
||||
}
|
||||
previous = value;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that a gauge metric stays within expected bounds.
|
||||
/// </summary>
|
||||
/// <param name="capture">The metrics capture.</param>
|
||||
/// <param name="metricName">The gauge metric to check.</param>
|
||||
/// <param name="minValue">Minimum acceptable value.</param>
|
||||
/// <param name="maxValue">Maximum acceptable value.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when gauge exceeds bounds.</exception>
|
||||
public static void GaugeInBounds(MetricsCapture capture, string metricName, double minValue, double maxValue)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
var values = capture.GetValues(metricName);
|
||||
|
||||
foreach (var value in values)
|
||||
{
|
||||
if (value < minValue || value > maxValue)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Gauge '{metricName}' value {value} outside bounds [{minValue}, {maxValue}]");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that metric names follow the expected naming convention.
|
||||
/// </summary>
|
||||
/// <param name="capture">The metrics capture.</param>
|
||||
/// <param name="pattern">Regex pattern for metric names (e.g., "^[a-z_]+_total$" for counters).</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when metric names don't match pattern.</exception>
|
||||
public static void MetricNamesMatchPattern(MetricsCapture capture, string pattern)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
var regex = new System.Text.RegularExpressions.Regex(pattern);
|
||||
var violating = capture.MetricNames.Where(name => !regex.IsMatch(name)).ToList();
|
||||
|
||||
if (violating.Count > 0)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Metric names violate naming convention '{pattern}': [{string.Join(", ", violating)}]");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that required metrics are present.
|
||||
/// </summary>
|
||||
/// <param name="capture">The metrics capture.</param>
|
||||
/// <param name="metricNames">Required metric names.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when required metrics are missing.</exception>
|
||||
public static void HasRequiredMetrics(MetricsCapture capture, params string[] metricNames)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
var missing = metricNames.Where(name => !capture.HasMetric(name)).ToList();
|
||||
|
||||
if (missing.Count > 0)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Missing required metrics: [{string.Join(", ", missing)}]");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that no metrics have unbounded label values.
|
||||
/// </summary>
|
||||
/// <param name="capture">The metrics capture.</param>
|
||||
/// <param name="forbiddenLabelPatterns">Patterns indicating unbounded values (e.g., IDs, timestamps).</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when unbounded labels are detected.</exception>
|
||||
public static void NoUnboundedLabels(MetricsCapture capture, params System.Text.RegularExpressions.Regex[] forbiddenLabelPatterns)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
foreach (var metricName in capture.MetricNames)
|
||||
{
|
||||
var labels = capture.GetLabels(metricName);
|
||||
|
||||
foreach (var (labelName, labelValues) in labels)
|
||||
{
|
||||
foreach (var value in labelValues)
|
||||
{
|
||||
foreach (var pattern in forbiddenLabelPatterns)
|
||||
{
|
||||
if (pattern.IsMatch(value))
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Metric '{metricName}' has potentially unbounded label '{labelName}': " +
|
||||
$"value '{value}' matches pattern '{pattern}'");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Captures metrics for contract testing.
|
||||
/// </summary>
|
||||
public sealed class MetricsCapture : IDisposable
|
||||
{
|
||||
private readonly Dictionary<string, List<MetricMeasurement>> _measurements = new();
|
||||
private readonly MeterListener _listener;
|
||||
private bool _disposed;
|
||||
|
||||
/// <summary>
|
||||
/// Creates a new metrics capture.
|
||||
/// </summary>
|
||||
/// <param name="meterName">Optional meter name filter.</param>
|
||||
public MetricsCapture(string? meterName = null)
|
||||
{
|
||||
_listener = new MeterListener
|
||||
{
|
||||
InstrumentPublished = (instrument, listener) =>
|
||||
{
|
||||
if (meterName == null || instrument.Meter.Name == meterName)
|
||||
{
|
||||
listener.EnableMeasurementEvents(instrument);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
_listener.SetMeasurementEventCallback<double>(OnMeasurement);
|
||||
_listener.SetMeasurementEventCallback<long>(OnMeasurementLong);
|
||||
_listener.SetMeasurementEventCallback<int>(OnMeasurementInt);
|
||||
|
||||
_listener.Start();
|
||||
}
|
||||
|
||||
private void OnMeasurement(Instrument instrument, double measurement,
|
||||
ReadOnlySpan<KeyValuePair<string, object?>> tags, object? state)
|
||||
{
|
||||
RecordMeasurement(instrument.Name, measurement, tags);
|
||||
}
|
||||
|
||||
private void OnMeasurementLong(Instrument instrument, long measurement,
|
||||
ReadOnlySpan<KeyValuePair<string, object?>> tags, object? state)
|
||||
{
|
||||
RecordMeasurement(instrument.Name, measurement, tags);
|
||||
}
|
||||
|
||||
private void OnMeasurementInt(Instrument instrument, int measurement,
|
||||
ReadOnlySpan<KeyValuePair<string, object?>> tags, object? state)
|
||||
{
|
||||
RecordMeasurement(instrument.Name, measurement, tags);
|
||||
}
|
||||
|
||||
private void RecordMeasurement(string name, double value, ReadOnlySpan<KeyValuePair<string, object?>> tags)
|
||||
{
|
||||
lock (_measurements)
|
||||
{
|
||||
if (!_measurements.TryGetValue(name, out var list))
|
||||
{
|
||||
list = new List<MetricMeasurement>();
|
||||
_measurements[name] = list;
|
||||
}
|
||||
|
||||
list.Add(new MetricMeasurement
|
||||
{
|
||||
Value = value,
|
||||
Tags = tags.ToArray().ToDictionary(
|
||||
t => t.Key,
|
||||
t => t.Value?.ToString() ?? ""),
|
||||
Timestamp = DateTimeOffset.UtcNow
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets all metric names that have been recorded.
|
||||
/// </summary>
|
||||
public IReadOnlyList<string> MetricNames
|
||||
{
|
||||
get
|
||||
{
|
||||
lock (_measurements)
|
||||
{
|
||||
return _measurements.Keys.ToList();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Checks if a metric has been recorded.
|
||||
/// </summary>
|
||||
public bool HasMetric(string name)
|
||||
{
|
||||
lock (_measurements)
|
||||
{
|
||||
return _measurements.ContainsKey(name);
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets all recorded values for a metric.
|
||||
/// </summary>
|
||||
public IReadOnlyList<double> GetValues(string metricName)
|
||||
{
|
||||
lock (_measurements)
|
||||
{
|
||||
if (_measurements.TryGetValue(metricName, out var list))
|
||||
{
|
||||
return list.Select(m => m.Value).ToList();
|
||||
}
|
||||
return Array.Empty<double>();
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets the cardinality (number of unique label combinations) for a metric.
|
||||
/// </summary>
|
||||
public int GetLabelCardinality(string metricName)
|
||||
{
|
||||
lock (_measurements)
|
||||
{
|
||||
if (_measurements.TryGetValue(metricName, out var list))
|
||||
{
|
||||
return list
|
||||
.Select(m => string.Join(",", m.Tags.OrderBy(t => t.Key).Select(t => $"{t.Key}={t.Value}")))
|
||||
.Distinct()
|
||||
.Count();
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Gets all unique label values for a metric.
|
||||
/// </summary>
|
||||
public IReadOnlyDictionary<string, IReadOnlyList<string>> GetLabels(string metricName)
|
||||
{
|
||||
lock (_measurements)
|
||||
{
|
||||
if (!_measurements.TryGetValue(metricName, out var list))
|
||||
{
|
||||
return new Dictionary<string, IReadOnlyList<string>>();
|
||||
}
|
||||
|
||||
var result = new Dictionary<string, HashSet<string>>();
|
||||
|
||||
foreach (var measurement in list)
|
||||
{
|
||||
foreach (var (key, value) in measurement.Tags)
|
||||
{
|
||||
if (!result.TryGetValue(key, out var values))
|
||||
{
|
||||
values = new HashSet<string>();
|
||||
result[key] = values;
|
||||
}
|
||||
values.Add(value);
|
||||
}
|
||||
}
|
||||
|
||||
return result.ToDictionary(
|
||||
kvp => kvp.Key,
|
||||
kvp => (IReadOnlyList<string>)kvp.Value.ToList());
|
||||
}
|
||||
}
|
||||
|
||||
/// <inheritdoc />
|
||||
public void Dispose()
|
||||
{
|
||||
if (_disposed) return;
|
||||
_listener.Dispose();
|
||||
_disposed = true;
|
||||
}
|
||||
|
||||
private sealed record MetricMeasurement
|
||||
{
|
||||
public double Value { get; init; }
|
||||
public Dictionary<string, string> Tags { get; init; } = new();
|
||||
public DateTimeOffset Timestamp { get; init; }
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,223 @@
|
||||
using System.Diagnostics;
|
||||
|
||||
namespace StellaOps.TestKit.Observability;
|
||||
|
||||
/// <summary>
|
||||
/// Assertion helpers for OpenTelemetry contract testing.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// These assertions validate that telemetry conforms to expected contracts:
|
||||
/// required spans, attributes, cardinality limits, and schema compliance.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// using var capture = new OtelCapture("MyService");
|
||||
/// await service.ProcessAsync();
|
||||
///
|
||||
/// OTelContractAssert.HasRequiredSpans(capture, "ProcessRequest", "ValidateInput", "SaveResult");
|
||||
/// OTelContractAssert.SpanHasAttributes(capture.CapturedActivities[0], "user_id", "tenant_id");
|
||||
/// OTelContractAssert.NoHighCardinalityAttributes(capture, threshold: 100);
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public static class OTelContractAssert
|
||||
{
|
||||
/// <summary>
|
||||
/// Asserts that all required span names are present in the capture.
|
||||
/// </summary>
|
||||
/// <param name="capture">The OTel capture containing recorded spans.</param>
|
||||
/// <param name="spanNames">Required span names that must all be present.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when required spans are missing.</exception>
|
||||
public static void HasRequiredSpans(OtelCapture capture, params string[] spanNames)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
ArgumentNullException.ThrowIfNull(spanNames);
|
||||
|
||||
var capturedNames = capture.CapturedActivities
|
||||
.Select(a => a.DisplayName ?? a.OperationName)
|
||||
.ToHashSet(StringComparer.Ordinal);
|
||||
|
||||
var missing = spanNames.Where(name => !capturedNames.Contains(name)).ToList();
|
||||
|
||||
if (missing.Count > 0)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Missing required spans: [{string.Join(", ", missing)}]. " +
|
||||
$"Captured spans: [{string.Join(", ", capturedNames)}]");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that a span has all required attributes.
|
||||
/// </summary>
|
||||
/// <param name="span">The span (Activity) to check.</param>
|
||||
/// <param name="attributeNames">Required attribute names.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when required attributes are missing.</exception>
|
||||
public static void SpanHasAttributes(Activity span, params string[] attributeNames)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(span);
|
||||
ArgumentNullException.ThrowIfNull(attributeNames);
|
||||
|
||||
var spanAttributes = span.Tags.Select(t => t.Key).ToHashSet(StringComparer.Ordinal);
|
||||
var missing = attributeNames.Where(name => !spanAttributes.Contains(name)).ToList();
|
||||
|
||||
if (missing.Count > 0)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Span '{span.DisplayName}' missing required attributes: [{string.Join(", ", missing)}]. " +
|
||||
$"Present attributes: [{string.Join(", ", spanAttributes)}]");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that an attribute's cardinality (number of unique values) is within bounds.
|
||||
/// </summary>
|
||||
/// <param name="capture">The OTel capture containing recorded spans.</param>
|
||||
/// <param name="attributeName">The attribute to check.</param>
|
||||
/// <param name="maxCardinality">Maximum allowed unique values.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when cardinality exceeds threshold.</exception>
|
||||
public static void AttributeCardinality(OtelCapture capture, string attributeName, int maxCardinality)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
var uniqueValues = capture.CapturedActivities
|
||||
.SelectMany(a => a.Tags)
|
||||
.Where(t => t.Key == attributeName)
|
||||
.Select(t => t.Value)
|
||||
.Distinct()
|
||||
.Count();
|
||||
|
||||
if (uniqueValues > maxCardinality)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Attribute '{attributeName}' has cardinality {uniqueValues}, exceeds max {maxCardinality}. " +
|
||||
"High cardinality attributes can cause metric explosion and storage issues.");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that no attribute exceeds the cardinality threshold across all spans.
|
||||
/// </summary>
|
||||
/// <param name="capture">The OTel capture containing recorded spans.</param>
|
||||
/// <param name="threshold">Maximum cardinality threshold (default 100).</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when any attribute exceeds threshold.</exception>
|
||||
public static void NoHighCardinalityAttributes(OtelCapture capture, int threshold = 100)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
var cardinalityByAttribute = capture.CapturedActivities
|
||||
.SelectMany(a => a.Tags)
|
||||
.GroupBy(t => t.Key)
|
||||
.Select(g => new { Attribute = g.Key, Cardinality = g.Select(t => t.Value).Distinct().Count() })
|
||||
.Where(x => x.Cardinality > threshold)
|
||||
.ToList();
|
||||
|
||||
if (cardinalityByAttribute.Count > 0)
|
||||
{
|
||||
var violations = string.Join(", ",
|
||||
cardinalityByAttribute.Select(x => $"{x.Attribute}={x.Cardinality}"));
|
||||
|
||||
throw new ContractViolationException(
|
||||
$"High cardinality attributes detected (threshold={threshold}): {violations}");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that span names follow the expected naming convention.
|
||||
/// </summary>
|
||||
/// <param name="capture">The OTel capture containing recorded spans.</param>
|
||||
/// <param name="pattern">Regex pattern that span names should match (e.g., "^[A-Z][a-z]+\\.[A-Z][a-z]+$").</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when span names don't match pattern.</exception>
|
||||
public static void SpanNamesMatchPattern(OtelCapture capture, string pattern)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
var regex = new System.Text.RegularExpressions.Regex(pattern);
|
||||
|
||||
var violating = capture.CapturedActivities
|
||||
.Select(a => a.DisplayName ?? a.OperationName)
|
||||
.Where(name => !regex.IsMatch(name))
|
||||
.ToList();
|
||||
|
||||
if (violating.Count > 0)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Span names violate naming convention '{pattern}': [{string.Join(", ", violating)}]");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that all spans have a status code set (not Unset).
|
||||
/// </summary>
|
||||
/// <param name="capture">The OTel capture containing recorded spans.</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when spans have Unset status.</exception>
|
||||
public static void AllSpansHaveStatus(OtelCapture capture)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
var unsetSpans = capture.CapturedActivities
|
||||
.Where(a => a.Status == ActivityStatusCode.Unset)
|
||||
.Select(a => a.DisplayName ?? a.OperationName)
|
||||
.ToList();
|
||||
|
||||
if (unsetSpans.Count > 0)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Spans with unset status (should be Ok or Error): [{string.Join(", ", unsetSpans)}]");
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that error spans have the expected error attributes.
|
||||
/// </summary>
|
||||
/// <param name="capture">The OTel capture containing recorded spans.</param>
|
||||
/// <param name="requiredErrorAttributes">Attributes required on error spans (e.g., "exception.type", "exception.message").</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when error spans are missing required attributes.</exception>
|
||||
public static void ErrorSpansHaveAttributes(OtelCapture capture, params string[] requiredErrorAttributes)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
var errorSpans = capture.CapturedActivities
|
||||
.Where(a => a.Status == ActivityStatusCode.Error)
|
||||
.ToList();
|
||||
|
||||
foreach (var span in errorSpans)
|
||||
{
|
||||
var spanAttributes = span.Tags.Select(t => t.Key).ToHashSet(StringComparer.Ordinal);
|
||||
var missing = requiredErrorAttributes.Where(attr => !spanAttributes.Contains(attr)).ToList();
|
||||
|
||||
if (missing.Count > 0)
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Error span '{span.DisplayName}' missing required error attributes: [{string.Join(", ", missing)}]");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Asserts that spans don't contain sensitive data patterns in their attributes.
|
||||
/// </summary>
|
||||
/// <param name="capture">The OTel capture containing recorded spans.</param>
|
||||
/// <param name="sensitivePatterns">Regex patterns for sensitive data (e.g., email, SSN, credit card).</param>
|
||||
/// <exception cref="ContractViolationException">Thrown when sensitive data is detected.</exception>
|
||||
public static void NoSensitiveDataInSpans(OtelCapture capture, params System.Text.RegularExpressions.Regex[] sensitivePatterns)
|
||||
{
|
||||
ArgumentNullException.ThrowIfNull(capture);
|
||||
|
||||
foreach (var span in capture.CapturedActivities)
|
||||
{
|
||||
foreach (var tag in span.Tags)
|
||||
{
|
||||
if (tag.Value == null) continue;
|
||||
|
||||
foreach (var pattern in sensitivePatterns)
|
||||
{
|
||||
if (pattern.IsMatch(tag.Value))
|
||||
{
|
||||
throw new ContractViolationException(
|
||||
$"Potential sensitive data in span '{span.DisplayName}', attribute '{tag.Key}': " +
|
||||
$"value matches pattern '{pattern}'");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -11,8 +11,9 @@
|
||||
<Description>Testing infrastructure and utilities for StellaOps</Description>
|
||||
</PropertyGroup>
|
||||
<ItemGroup>
|
||||
<PackageReference Include="xunit.v3.assert" PrivateAssets="all" />
|
||||
<PackageReference Include="xunit.v3.core" PrivateAssets="all" />
|
||||
<PackageReference Include="xunit.v3.assert" />
|
||||
<PackageReference Include="xunit.v3.core" />
|
||||
<PackageReference Include="xunit.v3.extensibility.core" />
|
||||
<PackageReference Include="FluentAssertions" />
|
||||
<PackageReference Include="FsCheck" />
|
||||
<PackageReference Include="FsCheck.Xunit.v3" PrivateAssets="all" />
|
||||
|
||||
@@ -247,4 +247,36 @@ public static class TestCategories
|
||||
/// Parity tests: Competitor comparison, benchmark parity validation.
|
||||
/// </summary>
|
||||
public const string Parity = "Parity";
|
||||
|
||||
// =========================================================================
|
||||
// Turn #6 testing enhancements categories
|
||||
// =========================================================================
|
||||
|
||||
/// <summary>
|
||||
/// Post-incident regression tests: Tests derived from production incidents.
|
||||
/// P1/P2 incident tests block releases.
|
||||
/// </summary>
|
||||
public const string PostIncident = "PostIncident";
|
||||
|
||||
/// <summary>
|
||||
/// Evidence chain tests: Requirement traceability, artifact hash verification.
|
||||
/// </summary>
|
||||
public const string EvidenceChain = "EvidenceChain";
|
||||
|
||||
/// <summary>
|
||||
/// Longevity tests: Time-extended stability tests for memory leaks, counter drift.
|
||||
/// Run nightly, not PR-gating.
|
||||
/// </summary>
|
||||
public const string Longevity = "Longevity";
|
||||
|
||||
/// <summary>
|
||||
/// Interop tests: Cross-version compatibility, N-1/N+1 service interoperability.
|
||||
/// Release-gating tests.
|
||||
/// </summary>
|
||||
public const string Interop = "Interop";
|
||||
|
||||
/// <summary>
|
||||
/// Environment skew tests: Testing across varied infrastructure profiles.
|
||||
/// </summary>
|
||||
public const string EnvironmentSkew = "EnvironmentSkew";
|
||||
}
|
||||
|
||||
77
src/__Libraries/StellaOps.TestKit/Traits/IntentAttribute.cs
Normal file
77
src/__Libraries/StellaOps.TestKit/Traits/IntentAttribute.cs
Normal file
@@ -0,0 +1,77 @@
|
||||
using Xunit.v3;
|
||||
|
||||
namespace StellaOps.TestKit.Traits;
|
||||
|
||||
/// <summary>
|
||||
/// Declares the business intent of a test with optional rationale.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Intent attributes provide richer metadata than trait strings alone.
|
||||
/// The attribute supports capturing rationale for audit trails and documentation.
|
||||
///
|
||||
/// Usage:
|
||||
/// <code>
|
||||
/// [Fact]
|
||||
/// [Intent(TestIntents.Regulatory, "Required for SOC2 AU-12 control")]
|
||||
/// public async Task TestAuditLogImmutability()
|
||||
/// {
|
||||
/// // Verify audit logs cannot be modified after creation
|
||||
/// }
|
||||
///
|
||||
/// [Fact]
|
||||
/// [Intent(TestIntents.Safety, "Prevents SQL injection per OWASP A03:2021")]
|
||||
/// public void TestInputSanitization()
|
||||
/// {
|
||||
/// // Verify SQL injection prevention
|
||||
/// }
|
||||
/// </code>
|
||||
///
|
||||
/// The attribute automatically adds the xUnit Trait for filtering:
|
||||
/// <code>
|
||||
/// dotnet test --filter "Intent=Regulatory"
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
[AttributeUsage(AttributeTargets.Method | AttributeTargets.Class, AllowMultiple = true, Inherited = true)]
|
||||
public sealed class IntentAttribute : Attribute, ITraitAttribute
|
||||
{
|
||||
/// <summary>
|
||||
/// The intent category (should be one of <see cref="TestIntents"/> constants).
|
||||
/// </summary>
|
||||
public string Intent { get; }
|
||||
|
||||
/// <summary>
|
||||
/// Optional rationale explaining why this test has this intent.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Rationale should reference requirement documents, compliance controls,
|
||||
/// security advisories, or other authoritative sources.
|
||||
/// </remarks>
|
||||
public string Rationale { get; }
|
||||
|
||||
/// <summary>
|
||||
/// Creates an intent declaration with optional rationale.
|
||||
/// </summary>
|
||||
/// <param name="intent">The intent category (use <see cref="TestIntents"/> constants).</param>
|
||||
/// <param name="rationale">Optional rationale explaining the intent assignment.</param>
|
||||
public IntentAttribute(string intent, string rationale = "")
|
||||
{
|
||||
Intent = intent;
|
||||
Rationale = rationale;
|
||||
}
|
||||
|
||||
/// <inheritdoc />
|
||||
public IReadOnlyCollection<KeyValuePair<string, string>> GetTraits()
|
||||
{
|
||||
var traits = new List<KeyValuePair<string, string>>
|
||||
{
|
||||
new("Intent", Intent)
|
||||
};
|
||||
|
||||
if (!string.IsNullOrWhiteSpace(Rationale))
|
||||
{
|
||||
traits.Add(new("IntentRationale", Rationale));
|
||||
}
|
||||
|
||||
return traits;
|
||||
}
|
||||
}
|
||||
94
src/__Libraries/StellaOps.TestKit/Traits/TestIntents.cs
Normal file
94
src/__Libraries/StellaOps.TestKit/Traits/TestIntents.cs
Normal file
@@ -0,0 +1,94 @@
|
||||
namespace StellaOps.TestKit.Traits;
|
||||
|
||||
/// <summary>
|
||||
/// Test intent categories for classifying the purpose and business value of tests.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Intent tagging helps CI detect behavior changes that violate declared intent,
|
||||
/// even when tests pass. Use alongside Category traits to provide complete classification.
|
||||
///
|
||||
/// Usage with xUnit:
|
||||
/// <code>
|
||||
/// [Fact]
|
||||
/// [Trait("Category", TestCategories.Integration)]
|
||||
/// [Trait("Intent", TestIntents.Regulatory)]
|
||||
/// [Intent(TestIntents.Regulatory, "Required for SOC2 compliance audit")]
|
||||
/// public async Task TestAuditTrailImmutability() { }
|
||||
/// </code>
|
||||
///
|
||||
/// Filter by intent during test runs:
|
||||
/// <code>
|
||||
/// dotnet test --filter "Intent=Regulatory"
|
||||
/// dotnet test --filter "Intent=Safety|Intent=Regulatory"
|
||||
/// </code>
|
||||
/// </remarks>
|
||||
public static class TestIntents
|
||||
{
|
||||
/// <summary>
|
||||
/// Regulatory tests: Compliance, audit requirements, legal obligations.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Tests in this category validate behavior required for regulatory compliance
|
||||
/// (SOC2, GDPR, FedRAMP, etc.). Failures may have legal or certification impact.
|
||||
/// These tests must link to specific requirement documents or controls.
|
||||
/// </remarks>
|
||||
public const string Regulatory = "Regulatory";
|
||||
|
||||
/// <summary>
|
||||
/// Safety tests: Security, fail-secure behavior, cryptographic correctness.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Tests in this category validate security-critical behavior: authentication,
|
||||
/// authorization, cryptographic operations, input validation, injection prevention.
|
||||
/// Failures may result in security vulnerabilities or data breaches.
|
||||
/// </remarks>
|
||||
public const string Safety = "Safety";
|
||||
|
||||
/// <summary>
|
||||
/// Performance tests: Latency, throughput, resource usage guarantees.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Tests in this category validate performance characteristics that are part
|
||||
/// of the product promise: SLA latency bounds, throughput targets, memory limits.
|
||||
/// Failures may result in degraded user experience or SLA violations.
|
||||
/// </remarks>
|
||||
public const string Performance = "Performance";
|
||||
|
||||
/// <summary>
|
||||
/// Competitive tests: Feature parity with competitor tools, market requirements.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Tests in this category validate features that provide competitive parity
|
||||
/// or differentiation. Failures may result in customer churn or lost deals.
|
||||
/// Link to product requirements or competitor feature matrices.
|
||||
/// </remarks>
|
||||
public const string Competitive = "Competitive";
|
||||
|
||||
/// <summary>
|
||||
/// Operational tests: Observability, diagnosability, operational workflows.
|
||||
/// </summary>
|
||||
/// <remarks>
|
||||
/// Tests in this category validate operational characteristics: logging,
|
||||
/// metrics, tracing, health checks, graceful degradation, recovery procedures.
|
||||
/// Failures may result in increased MTTR or operational incidents.
|
||||
/// </remarks>
|
||||
public const string Operational = "Operational";
|
||||
|
||||
/// <summary>
|
||||
/// Get all defined intent categories.
|
||||
/// </summary>
|
||||
public static IReadOnlyList<string> All { get; } = new[]
|
||||
{
|
||||
Regulatory,
|
||||
Safety,
|
||||
Performance,
|
||||
Competitive,
|
||||
Operational
|
||||
};
|
||||
|
||||
/// <summary>
|
||||
/// Validate that a string is a valid intent category.
|
||||
/// </summary>
|
||||
public static bool IsValid(string intent) =>
|
||||
All.Contains(intent, StringComparer.OrdinalIgnoreCase);
|
||||
}
|
||||
Reference in New Issue
Block a user