/// <summary> /// Validates code gen for a specific language by comparing it against a file containing the expected output. /// </summary> /// <param name="codeGenOptions">The options specifying the type of validation to perform</param> /// <returns>A command that updates the comparison file</returns> internal static string ValidateLanguageCodeGen(CodeGenValidationOptions codeGenOptions) { Assert.IsFalse(string.IsNullOrEmpty(codeGenOptions.Language)); var outDataDir = GetOutputTestDataDir(codeGenOptions.RelativeDeployDir); var extension = ExtensionFromLanguage(codeGenOptions.Language); var diffMessage = string.Empty; // Compose the abs path to where the test file got deployed by MSTest string referenceFileName = TestHelper.GetTestFileName(codeGenOptions.RelativeDeployDir, codeGenOptions.BaseReferenceFileName + extension); Assert.IsTrue(File.Exists(referenceFileName), "Cannot find reference file " + referenceFileName); string generatedCode = string.Empty; ClientCodeGenerationOptions options = new ClientCodeGenerationOptions() { Language = codeGenOptions.Language, ClientRootNamespace = codeGenOptions.RootNamespace, ClientProjectPath = "MockProject.proj", UseFullTypeNames = codeGenOptions.UseFullTypeNames }; MockCodeGenerationHost host = TestHelper.CreateMockCodeGenerationHost(codeGenOptions.Logger, codeGenOptions.SharedCodeService); ILogger logger = host as ILogger; EntityCatalog catalog = new EntityCatalog(codeGenOptions.EntityTypes, logger); IClientCodeGenerator generator; using (ClientCodeGenerationDispatcher dispatcher = new ClientCodeGenerationDispatcher()) { generator = dispatcher.FindCodeGenerator(host, options, /*compositionAssemblies*/ null, /*codeGeneratorName*/ null); } Assert.IsNotNull(generator, "Failed to find a code generator"); generatedCode = generator.GenerateCode(host, catalog.EntityDescriptions, options); ConsoleLogger consoleLogger = logger as ConsoleLogger; string errors = consoleLogger == null ? "" : consoleLogger.Errors; Assert.IsTrue(generatedCode.Length > 0, "No code was generated: " + errors); // Dump the generated code into a file for comparison bool isCSharp = options.Language.Equals("C#", StringComparison.InvariantCultureIgnoreCase); string generatedFileName = Path.Combine(outDataDir, Path.GetFileName(referenceFileName) + ".testgen"); File.WriteAllText(generatedFileName, generatedCode); // TODO: (ron M3) Solve inability to get right MSBuild after checkin // First see if we compile List <string> referenceAssemblies = CompilerHelper.GetClientAssemblies(codeGenOptions.RelativeDeployDir); List <string> files = new List <string>(); files.Add(generatedFileName); // Unconditionally force generation of Xml doc comments to catch errors string documentationFile = Path.GetTempFileName(); try { if (isCSharp) { files.AddRange(codeGenOptions.SharedFiles.Where(sharedFile => Path.GetExtension(sharedFile).Equals(".cs"))); CompilerHelper.CompileCSharpSource(files, referenceAssemblies, documentationFile); } else { files.AddRange(codeGenOptions.SharedFiles.Where(sharedFile => Path.GetExtension(sharedFile).Equals(".vb"))); CompilerHelper.CompileVisualBasicSource(files, referenceAssemblies, options.ClientRootNamespace, documentationFile); } } finally { File.Delete(documentationFile); } // Do the diff if (codeGenOptions.FailOnDiff) { TestHelper.ValidateFilesEqual(codeGenOptions.RelativeTestDir, codeGenOptions.RelativeDeployDir, generatedFileName, referenceFileName, codeGenOptions.Language); } else { TestHelper.FilesMatch(codeGenOptions.RelativeTestDir, codeGenOptions.RelativeDeployDir, generatedFileName, referenceFileName, codeGenOptions.Language, out diffMessage); } return(diffMessage); }