Restructure solution layout by module

src/Bench/StellaOps.Bench/Notify/StellaOps.Bench.Notify.Tests/NotifyScenarioRunnerTests.cs

@@ -0,0 +1,33 @@
+using System.Threading;
+using Xunit;
+
+namespace StellaOps.Bench.Notify.Tests;
+
+public sealed class NotifyScenarioRunnerTests
+{
+    [Fact]
+    public void Execute_ComputesDeterministicMetrics()
+    {
+        var config = new NotifyScenarioConfig
+        {
+            Id = "unit_test",
+            EventCount = 500,
+            RuleCount = 40,
+            ActionsPerRule = 3,
+            MatchRate = 0.25,
+            TenantCount = 4,
+            ChannelCount = 16
+        };
+
+        var runner = new NotifyScenarioRunner(config);
+        var result = runner.Execute(2, CancellationToken.None);
+
+        Assert.Equal(config.ResolveEventCount(), result.TotalEvents);
+        Assert.Equal(config.ResolveRuleCount(), result.TotalRules);
+        Assert.Equal(config.ResolveActionsPerRule(), result.ActionsPerRule);
+        Assert.True(result.TotalMatches > 0);
+        Assert.Equal(result.TotalMatches * result.ActionsPerRule, result.TotalDeliveries);
+        Assert.Equal(2, result.Durations.Count);
+        Assert.All(result.Durations, value => Assert.True(value > 0));
+    }
+}