93 lines
3.3 KiB
C#
93 lines
3.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.Diagnostics.Metrics;
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using StellaOps.Concelier.Models;
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using Xunit;
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using StellaOps.TestKit;
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namespace StellaOps.Concelier.Models.Tests;
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public sealed class OsvGhsaParityDiagnosticsTests
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{
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public void RecordReport_EmitsTotalAndIssues()
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{
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var issues = ImmutableArray.Create(
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new OsvGhsaParityIssue(
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GhsaId: "GHSA-AAA",
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IssueKind: "missing_osv",
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Detail: "",
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FieldMask: ImmutableArray.Create(ProvenanceFieldMasks.AffectedPackages)),
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new OsvGhsaParityIssue(
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GhsaId: "GHSA-BBB",
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IssueKind: "severity_mismatch",
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Detail: "",
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FieldMask: ImmutableArray<string>.Empty));
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var report = new OsvGhsaParityReport(2, issues);
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var measurements = new List<(string Instrument, long Value, IReadOnlyDictionary<string, object?> Tags)>();
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using var listener = CreateListener(measurements);
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OsvGhsaParityDiagnostics.RecordReport(report, "QA");
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listener.Dispose();
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Assert.Equal(3, measurements.Count);
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var total = Assert.Single(measurements, m => m.Instrument == "concelier.osv_ghsa.total");
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Assert.Equal(2, total.Value);
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Assert.Equal("qa", total.Tags["dataset"]);
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var missing = Assert.Single(measurements, m => m.Tags.TryGetValue("issueKind", out var kind) && string.Equals((string)kind!, "missing_osv", StringComparison.Ordinal));
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Assert.Equal("affectedpackages[]", missing.Tags["fieldMask"]);
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var severity = Assert.Single(measurements, m => m.Tags.TryGetValue("issueKind", out var kind) && string.Equals((string)kind!, "severity_mismatch", StringComparison.Ordinal));
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Assert.Equal("none", severity.Tags["fieldMask"]);
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public void RecordReport_NoIssues_OnlyEmitsTotal()
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{
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var report = new OsvGhsaParityReport(0, ImmutableArray<OsvGhsaParityIssue>.Empty);
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var measurements = new List<(string Instrument, long Value, IReadOnlyDictionary<string, object?> Tags)>();
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using var listener = CreateListener(measurements);
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OsvGhsaParityDiagnostics.RecordReport(report, "");
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listener.Dispose();
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Assert.Empty(measurements);
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}
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private static MeterListener CreateListener(List<(string Instrument, long Value, IReadOnlyDictionary<string, object?> Tags)> measurements)
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{
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var listener = new MeterListener
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{
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InstrumentPublished = (instrument, l) =>
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{
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if (instrument.Meter.Name.StartsWith("StellaOps.Concelier.Models.OsvGhsaParity", StringComparison.Ordinal))
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{
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l.EnableMeasurementEvents(instrument);
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}
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}
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};
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listener.SetMeasurementEventCallback<long>((instrument, measurement, tags, state) =>
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{
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var dict = new Dictionary<string, object?>(StringComparer.OrdinalIgnoreCase);
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foreach (var tag in tags)
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{
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dict[tag.Key] = tag.Value;
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}
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measurements.Add((instrument.Name, measurement, dict));
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});
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listener.Start();
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return listener;
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}
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}
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