kill mutants

test/Polly.Extensions.Tests/Telemetry/ResilienceTelemetryDiagnosticSourceTests.cs

@@ -398,6 +398,18 @@ public void PipelineExecution_Logged(bool healthy, bool exception)
         messages[0].LogLevel.Should().Be(healthy ? LogLevel.Debug : LogLevel.Warning);
     }
 
+    [Fact]
+    public void PipelineExecution_VoidResult_Ok()
+    {
+        var context = ResilienceContextPool.Shared.Get("op-key").WithVoidResultType();
+        var telemetry = Create();
+        ReportEvent(telemetry, outcome: null, arg: new PipelineExecutingArguments(), context: context);
+
+        var messages = _logger.GetRecords(new EventId(1, "StrategyExecuting")).ToList();
+        messages.Should().HaveCount(1);
+        messages[0].Message.Should().Be("Resilience strategy executing. Source: 'my-builder/builder-instance', Operation Key: 'op-key', Result Type: 'void'");
+    }
+
     [Fact]
     public void PipelineExecution_NoOutcome_Logged()
     {

test/Polly.Extensions.Tests/Utils/ResilienceContextExtensionsTests.cs

@@ -0,0 +1,31 @@
+using Polly.Telemetry;
+
+namespace Polly.Extensions.Tests.Utils;
+
+public class ResilienceContextExtensionsTests
+{
+    [Fact]
+    public void IsHealthy_Ok()
+    {
+        var context = ResilienceContextPool.Shared.Get();
+        AddEvent(context, ResilienceEventSeverity.Warning);
+        context.IsExecutionHealthy().Should().BeFalse();
+
+        context = ResilienceContextPool.Shared.Get();
+        context.IsExecutionHealthy().Should().BeTrue();
+
+        context = ResilienceContextPool.Shared.Get();
+        AddEvent(context, ResilienceEventSeverity.Information);
+        context.IsExecutionHealthy().Should().BeTrue();
+
+        context = ResilienceContextPool.Shared.Get();
+        AddEvent(context, ResilienceEventSeverity.Information);
+        AddEvent(context, ResilienceEventSeverity.Warning);
+        context.IsExecutionHealthy().Should().BeFalse();
+    }
+
+    private static void AddEvent(ResilienceContext context, ResilienceEventSeverity severity)
+    {
+        ((List<ResilienceEvent>)context.ResilienceEvents).Add(new ResilienceEvent(severity, "dummy"));
+    }
+}

test/Polly.TestUtils/TestUtilities.cs

@@ -112,6 +112,12 @@ public static ResilienceContext WithResultType<T>(this ResilienceContext context
         return context;
     }
 
+    public static ResilienceContext WithVoidResultType(this ResilienceContext context)
+    {
+        context.Initialize<VoidResult>(true);
+        return context;
+    }
+
     private sealed class CallbackDiagnosticSource : DiagnosticSource
     {
         private readonly Action<TelemetryEventArguments> _callback;