如何使用dotnet test命令发布dotnet core测试结果至指定目录？

Got it, let's tackle this—you absolutely can get your .NET Core test results out as XML or HTML to a specific directory with dotnet test, but the issue is probably how you're combining parameters (and maybe a tiny spelling mistake!). Here's the step-by-step breakdown:

1. Generating XML Test Results (TRX Format) #

The default XML-based test result format for .NET Core is TRX (Visual Studio Test Results File), which is a valid XML format. The --results-directory parameter works, but you need to pair it with the --logger parameter to define the output format and filename.

Note: A super common mistake is using --result-directory (singular) instead of --results-directory (plural)—that's likely why it wasn't working for you!

Use this command:

dotnet test --logger "trx;LogFileName=my_test_results.trx" --results-directory ./TestOutput

• --logger "trx;LogFileName=...": Specifies we want TRX (XML) output, and sets a custom filename for the results.
• --results-directory ./TestOutput: Tells the command to save the TRX file in the TestOutput directory (it will create the directory if it doesn't exist).

You’ll find the XML-formatted test results at ./TestOutput/my_test_results.trx.

2. Generating HTML Test Results #

dotnet test doesn’t support HTML output directly, but we can use a popular open-source tool called ReportGenerator to convert TRX/XML results into a clean, navigable HTML report.

Step 1: Install ReportGenerator #

First, install the global tool:

dotnet tool install -g dotnet-reportgenerator-globaltool

Step 2: Generate TRX Results First #

Run the same dotnet test command from section 1 to get your TRX file:

dotnet test --logger "trx;LogFileName=my_test_results.trx" --results-directory ./TestOutput

Step 3: Convert TRX to HTML #

Use ReportGenerator to convert the TRX file to HTML:

reportgenerator -reports:"./TestOutput/**/*.trx" -targetdir:./TestOutput/HTMLReport -reporttypes:Html

• -reports: Points to your TRX file (the ** wildcard finds all TRX files in subdirectories).
• -targetdir: Defines where to save the HTML report.
• -reporttypes:Html: Specifies we want an HTML output.

After running this, you’ll find a fully interactive HTML report in ./TestOutput/HTMLReport.

3. Troubleshooting --results-directory Issues #

If it’s still not working, check these common fixes:

• Double-check parameter spelling: It’s --results-directory (plural), not --result-directory.
• Verify directory permissions: Make sure your user has write access to the target directory. Try using an absolute path (e.g., C:\TestResults on Windows or /home/user/TestResults on Linux) if relative paths are causing issues.
• Specify the test project explicitly: If you’re running the command from a solution root instead of the test project directory, add the --project parameter:

  dotnet test --project ./MyTestProject/MyTestProject.csproj --logger trx --results-directory ./TestOutput
  

内容的提问来源于stack exchange，提问作者Raghavendra Bankapur