Support --project in dotnet test (#43276)

src/Cli/dotnet/commands/dotnet-test/LocalizableStrings.resx

@@ -184,6 +184,9 @@
  <data name="CmdConfigurationDescription" xml:space="preserve">
  <value>Defines the build configuration. The default for most projects is Debug, but you can override the build configuration settings in your project.</value>
  </data>
+ <data name="CmdProjectDescription" xml:space="preserve">
+ <value>Defines the path of the project file to run (folder name or full path). If not specified, it defaults to the current directory.</value>
+ </data>
  <data name="CmdResultsDirectoryDescription" xml:space="preserve">
  <value>The directory where the test results will be placed.
 The specified directory will be created if it does not exist.</value>

src/Cli/dotnet/commands/dotnet-test/MSBuildConnectionHandler.cs

@@ -83,6 +83,7 @@ public int RunWithMSBuild(ParseResult parseResult)
  {
  List<string> msbuildCommandLineArgs =
  [
+ parseResult.GetValue(TestingPlatformOptions.ProjectOption) ?? string.Empty,
  $"-t:_GetTestsProject",
  $"-p:GetTestsProjectPipeName={_pipeNameDescription.Name}",
  "-verbosity:q"

src/Cli/dotnet/commands/dotnet-test/TestApplication.cs

@@ -54,7 +54,6 @@ public async Task<int> RunAsync(bool isFilterMode, bool enableHelp, BuiltInOptio
  {
  return 1;
  }
-
  bool isDll = _module.DLLPath.EndsWith(".dll");
  ProcessStartInfo processStartInfo = new()
  {
@@ -314,7 +313,7 @@ public void OnHandshakeMessage(HandshakeMessage handshakeMessage)
 
  public void OnCommandLineOptionMessages(CommandLineOptionMessages commandLineOptionMessages)
  {
- HelpRequested?.Invoke(this, new HelpEventArgs { CommandLineOptions = commandLineOptionMessages.CommandLineOptionMessageList.Select(message => new CommandLineOption(message.Name, message.Description, message.IsHidden, message.IsBuiltIn)).ToArray() });
+ HelpRequested?.Invoke(this, new HelpEventArgs { ModulePath = commandLineOptionMessages.ModulePath, CommandLineOptions = commandLineOptionMessages.CommandLineOptionMessageList.Select(message => new CommandLineOption(message.Name, message.Description, message.IsHidden, message.IsBuiltIn)).ToArray() });
  }
 
  internal void OnDiscoveredTestMessages(DiscoveredTestMessages discoveredTestMessages)

src/Cli/dotnet/commands/dotnet-test/TestCommandParser.cs

@@ -199,6 +199,7 @@ private static CliCommand GetTestingPlatformCliCommand()
  command.Options.Add(TestingPlatformOptions.NoRestoreOption);
  command.Options.Add(TestingPlatformOptions.ArchitectureOption);
  command.Options.Add(TestingPlatformOptions.ConfigurationOption);
+ command.Options.Add(TestingPlatformOptions.ProjectOption);
 
  return command;
  }

src/Cli/dotnet/commands/dotnet-test/TestingPlatformOptions.cs

@@ -51,5 +51,11 @@ internal static class TestingPlatformOptions
  Description = LocalizableStrings.CmdConfigurationDescription,
  Arity = ArgumentArity.ExactlyOne
  };
+
+ public static readonly CliOption<string> ProjectOption = new("--project")
+ {
+ Description = LocalizableStrings.CmdProjectDescription,
+ Arity = ArgumentArity.ExactlyOne
+ };
  }
 }