public void WriterConstructedWithoutContentLengthAndSourceFile_AddsLinePragmas_OnDispose()
{
// Arrange
var location = new SourceLocation(10, 1, 20);
var expected = string.Join(Environment.NewLine,
@"#line 2 ""myfile""",
"Hello world",
"",
"#line default",
"#line hidden",
"");
var expectedMappings = new LineMapping(
new MappingLocation(location, 30),
new MappingLocation(new SourceLocation(18, 1, 0), 11));
var writer = new CSharpCodeWriter();
// Act
using (var mappingWriter = new CSharpLineMappingWriter(writer, location, "myfile"))
{
writer.Write("Hello world");
}
// Assert
Assert.Equal(expected, writer.GenerateCode());
Assert.Empty(writer.LineMappingManager.Mappings);
}
public void Visit_GeneratesProperties_ForInjectChunks()
{
// Arrange
var expected =
@"[ActivateAttribute]
public MyType1 MyPropertyName1 { get; private set; }
[ActivateAttribute]
public MyType2 @MyPropertyName2 { get; private set; }
";
var writer = new CSharpCodeWriter();
var context = CreateContext();
var visitor = new InjectChunkVisitor(writer, context, "ActivateAttribute");
var factory = SpanFactory.CreateCsHtml();
var node = (Span)factory.Code("Some code")
.As(new InjectParameterGenerator("MyType", "MyPropertyName"));
// Act
visitor.Accept(new Chunk[]
{
new LiteralChunk(),
new InjectChunk("MyType1", "MyPropertyName1") { Association = node },
new InjectChunk("MyType2", "@MyPropertyName2") { Association = node }
});
var code = writer.GenerateCode();
// Assert
Assert.Equal(expected, code);
}
public void WriteLineNumberDirective_UsesFilePath_WhenFileInSourceLocationIsNull()
{
// Arrange
var filePath = "some-path";
var writer = new CSharpCodeWriter();
var expected = $"#line 5 \"{filePath}\"" + writer.NewLine;
var sourceLocation = new SourceLocation(10, 4, 3);
// Act
writer.WriteLineNumberDirective(sourceLocation, filePath);
var code = writer.GenerateCode();
// Assert
Assert.Equal(expected, code);
}
public void Visit_IgnoresNonInjectChunks()
{
// Arrange
var writer = new CSharpCodeWriter();
var context = CreateContext();
var visitor = new InjectChunkVisitor(writer, context, "ActivateAttribute");
// Act
visitor.Accept(new Chunk[]
{
new LiteralChunk(),
new CodeAttributeChunk()
});
var code = writer.GenerateCode();
// Assert
Assert.Empty(code);
}
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());
}
public void WriterConstructedWithContentLength_AddsLineMappings_OnDispose()
{
// Arrange
var location = new SourceLocation(10, 15, 20);
var expected = new LineMapping(
new MappingLocation(location, 30),
new MappingLocation(new SourceLocation(0, 0, 0), 11));
var writer = new CSharpCodeWriter();
// Act
using (var mappingWriter = new CSharpLineMappingWriter(writer, location, 30))
{
writer.Write("Hello world");
}
// Assert
Assert.Equal("Hello world", writer.GenerateCode());
var mapping = Assert.Single(writer.LineMappingManager.Mappings);
Assert.Equal(expected, mapping);
}
public void Visit_WithDesignTimeHost_GeneratesPropertiesAndLinePragmas_ForInjectChunks()
{
// Arrange
var expected = string.Join(Environment.NewLine,
@"[Microsoft.AspNetCore.Mvc.Razor.Internal.RazorInjectAttribute]",
@"public",
@"#line 1 """"",
@"MyType1 MyPropertyName1",
"",
@"#line default",
@"#line hidden",
@"{ get; private set; }",
@"[Microsoft.AspNetCore.Mvc.Razor.Internal.RazorInjectAttribute]",
@"public",
@"#line 1 """"",
@"MyType2 @MyPropertyName2",
"",
@"#line default",
@"#line hidden",
@"{ get; private set; }",
"");
var writer = new CSharpCodeWriter();
var context = CreateContext();
context.Host.DesignTimeMode = true;
var visitor = new InjectChunkVisitor(writer, context, "Microsoft.AspNetCore.Mvc.Razor.Internal.RazorInjectAttribute");
var factory = SpanFactory.CreateCsHtml();
var node = (Span)factory.Code("Some code")
.As(new InjectParameterGenerator("MyType", "MyPropertyName"));
// Act
visitor.Accept(new Chunk[]
{
new LiteralChunk(),
new InjectChunk("MyType1", "MyPropertyName1") { Association = node },
new InjectChunk("MyType2", "@MyPropertyName2") { Association = node }
});
var code = writer.GenerateCode();
// Assert
Assert.Equal(expected, code);
}