public void RenderAttributeValue_RendersModelExpressionsCorrectly( string modelExpressionType, string propertyType, string expectedValue) { // Arrange var renderer = new MvcTagHelperAttributeValueCodeRenderer( new GeneratedTagHelperAttributeContext { ModelExpressionTypeName = modelExpressionType, CreateModelExpressionMethodName = "SomeMethod", ModelExpressionProviderPropertyName = "Provider", ViewDataPropertyName = "ViewData" }); var attributeDescriptor = new TagHelperAttributeDescriptor { Name = "MyAttribute", PropertyName = "SomeProperty", TypeName = propertyType, }; var writer = new CSharpCodeWriter(); var generatorContext = new ChunkGeneratorContext( host: null, className: string.Empty, rootNamespace: string.Empty, sourceFile: string.Empty, shouldGenerateLinePragmas: true); var errorSink = new ErrorSink(); var context = new CodeGeneratorContext(generatorContext, errorSink); // Act renderer.RenderAttributeValue(attributeDescriptor, writer, context, (codeWriter) => { codeWriter.Write("MyValue"); }, complexValue: false); // Assert Assert.Equal(expectedValue, writer.GenerateCode()); }