public void Accept_CorrectlyGeneratesCode(IList <Chunk> chunks)
{
// Arrange
var writer = new CSharpCodeWriter();
var context = ChunkVisitorTestFactory.CreateCodeGeneratorContext();
var chunkVisitor = new ViewComponentTagHelperChunkVisitor(writer, context);
var assembly = typeof(ViewComponentTagHelperChunkVisitorTest).GetTypeInfo().Assembly;
var path = "TestFiles/Output/Runtime/GeneratedViewComponentTagHelperClasses.cs";
var expectedOutput = ResourceFile.ReadResource(assembly, path, sourceFile: true);
// Act
chunkVisitor.Accept(chunks);
var resultOutput = writer.GenerateCode();
#if GENERATE_BASELINES
if (!string.Equals(expectedOutput, resultOutput, System.StringComparison.Ordinal))
{
ResourceFile.UpdateFile(assembly, path, expectedOutput, resultOutput);
}
#else
// Assert
Assert.Equal(expectedOutput, resultOutput, ignoreLineEndingDifferences: true);
#endif
}
public void Accept_CorrectlyDecoratesViewComponentChunks()
{
// Arrange
var codeGeneratorContext = ChunkVisitorTestFactory.CreateCodeGeneratorContext();
var syntaxTreeNode = new Mock <Span>(new SpanBuilder());
foreach (var chunk in ChunkVisitorTestFactory.GetTestChunks(visitedTagHelperChunks: false))
{
codeGeneratorContext.ChunkTreeBuilder.AddChunk(chunk, syntaxTreeNode.Object);
}
var tagHelperChunkDecorator = new TagHelperChunkDecorator(codeGeneratorContext);
var expectedChunks = ChunkVisitorTestFactory.GetTestChunks(visitedTagHelperChunks: true);
// Act
var resultChunks = codeGeneratorContext.ChunkTreeBuilder.Root.Children;
tagHelperChunkDecorator.Accept(resultChunks);
// Assert
// Test the normal tag helper chunk, Baz.
Assert.Equal(expectedChunks.Count, resultChunks.Count);
var expectedTagHelperChunk = (TagHelperChunk)expectedChunks[0];
var resultTagHelperChunk = Assert.IsType <TagHelperChunk>(resultChunks[0]);
Assert.Equal(
expectedTagHelperChunk.Descriptors.First().TypeName,
Assert.Single(resultTagHelperChunk.Descriptors).TypeName);
// Test the parent chunk with view component tag helper inside, Foo.
var expectedParentChunk = (ParentChunk)expectedChunks[1];
var resultParentChunk = Assert.IsType <TagHelperChunk>(resultChunks[1]);
Assert.Single(resultParentChunk.Children);
expectedTagHelperChunk = (TagHelperChunk)expectedParentChunk.Children.First();
resultTagHelperChunk = (TagHelperChunk)resultParentChunk.Children.First();
Assert.Equal(expectedTagHelperChunk.Descriptors.First().TypeName,
resultTagHelperChunk.Descriptors.First().TypeName,
StringComparer.Ordinal);
// Test the view component tag helper, Bar.
expectedTagHelperChunk = expectedChunks.ElementAt(2) as TagHelperChunk;
resultTagHelperChunk = resultChunks.ElementAt(2) as TagHelperChunk;
Assert.NotNull(resultTagHelperChunk);
Assert.Equal(expectedTagHelperChunk.Descriptors.First().TypeName,
resultTagHelperChunk.Descriptors.First().TypeName,
StringComparer.Ordinal);
}