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Fix apphost DOTNET_ROOT path assertion #10626

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Merged
Amaury Lev茅 (Evangelink) merged 1 commit into from
Aug 24, 2026
Merged

Fix apphost DOTNET_ROOT path assertion #10626

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12 changes: 11 additions & 1 deletion ...egrationTests/Microsoft.Testing.Platform.Acceptance.IntegrationTests/MSBuildTests.Test.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -399,7 +399,17 @@ public async Task InvokeTestingPlatform_Target_Should_Set_DotnetRoot_For_AppHost
environmentVariables: CreateEnvironmentVariables(),
cancellationToken: TestContext.CancellationToken);

derivedResult.AssertOutputContains($"[env] {dotnetRootVariableName}={dotnetRoot}");
string dotnetRootOutputPrefix = $"[env] {dotnetRootVariableName}=";
string? dotnetRootOutput = derivedResult.StandardOutputLines
.Select(line => line.TrimStart())
.FirstOrDefault(line => line.StartsWith(dotnetRootOutputPrefix, StringComparison.Ordinal));
Assert.IsNotNull(dotnetRootOutput, derivedResult.ToString());
// DOTNET_HOST_PATH can preserve different drive-letter casing than RootFinder on Windows.
Assert.AreEqual(
dotnetRoot,
dotnetRootOutput[dotnetRootOutputPrefix.Length..],
ignoreCase: OperatingSystem.IsWindows(),
derivedResult.ToString());

DotnetMuxerResult explicitResult = await DotnetCli.RunAsync(
$"build -t:Test -p:TestingPlatformCaptureOutput=False -p:ExplicitDotnetRoot=\"{dotnetRoot}\" \"{testAsset.TargetAssetPath}\"",
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