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Replace fixed delay with exponential backoff in PlainExecutable_ExtensionMode_SupportedDebugMode_RunsInIde test #12211

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Replace fixed delay with exponential backoff in PlainExecutable_ExtensionMode_SupportedDebugMode_RunsInIde test #12211

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Copilot Oct 20, 2025
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Replace fixed delay with exponential backoff polling in PlainExecutab…
Copilot Oct 20, 2025
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9 changes: 7 additions & 2 deletions tests/Aspire.Hosting.Tests/Dcp/DcpExecutorTests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -1571,8 +1571,13 @@ public async Task PlainExecutable_ExtensionMode_SupportedDebugMode_RunsInIde()
// Act
await appExecutor.RunApplicationAsync();

await Task.Delay(2000);
// Assert
// Assert - Poll for the expected number of executables with exponential backoff
// This replaces the fixed 2-second delay which was both too short and source of test instability
await AsyncTestHelpers.AssertIsTrueRetryAsync(
() => kubernetesService.CreatedResources.OfType<Executable>().Count() == 2,
"Expected 2 executables to be created",
retries: 12); // With exponential backoff formula: (i+1)^2 * 50ms, this gives ~33 seconds total timeout

var dcpExes = kubernetesService.CreatedResources.OfType<Executable>().ToList();
Assert.Equal(2, dcpExes.Count);

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