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dotnet test MTP: Disable ANSI output in LLM environments #53654

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Youssef1313 merged 2 commits into from
Apr 1, 2026
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dotnet test MTP: Disable ANSI output in LLM environments #53654

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dotnet test MTP: Disable ANSI output in LLM environments
Youssef1313 Apr 1, 2026
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Youssef1313 Apr 1, 2026
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5 changes: 4 additions & 1 deletion src/Cli/dotnet/Commands/Test/MTP/MicrosoftTestingPlatformTestCommand.cs
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Expand Up @@ -7,6 +7,7 @@
using Microsoft.DotNet.Cli.CommandLine;
using Microsoft.DotNet.Cli.Commands.Test.Terminal;
using Microsoft.DotNet.Cli.Extensions;
using Microsoft.DotNet.Cli.Telemetry;

namespace Microsoft.DotNet.Cli.Commands.Test;

Expand Down Expand Up @@ -106,7 +107,9 @@ private void InitializeOutput(int degreeOfParallelism, ParseResult parseResult,
bool inCI = string.Equals(Environment.GetEnvironmentVariable("TF_BUILD"), "true", StringComparison.OrdinalIgnoreCase) || string.Equals(Environment.GetEnvironmentVariable("GITHUB_ACTIONS"), "true", StringComparison.OrdinalIgnoreCase);

AnsiMode ansiMode = AnsiMode.AnsiIfPossible;
if (noAnsi)
// In LLM environments, prefer simple text output so that LLM can parse it easily.
// Note that NoAnsi also implies also no progress.
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if (noAnsi || new LLMEnvironmentDetectorForTelemetry().IsLLMEnvironment())
{
// User explicitly specified --no-ansi.
// We should respect that.
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