public void GetDescriptors_LocatesNestedRemoveTagHelperChunkGenerator()
{
// Arrange
var resolver = new TestTagHelperDescriptorResolver();
var tagHelperDirectiveSpanVisitor = new TagHelperDirectiveSpanVisitor(resolver, new ErrorSink());
var document = new MarkupBlock(
new DirectiveBlock(
Factory.CodeTransition(),
Factory.MetaCode(SyntaxConstants.CSharp.RemoveTagHelperKeyword + " ")
.Accepts(AcceptedCharacters.None),
Factory.Code("something").AsRemoveTagHelper("something"))
);
var expectedRegistration = new TagHelperDirectiveDescriptor
{
DirectiveText = "something",
DirectiveType = TagHelperDirectiveType.RemoveTagHelper
};
// Act
tagHelperDirectiveSpanVisitor.GetDescriptors(document);
// Assert
var directiveDescriptor = Assert.Single(resolver.DirectiveDescriptors);
Assert.Equal(expectedRegistration, directiveDescriptor, TagHelperDirectiveDescriptorComparer.Default);
}
public void GetDescriptors_LocatesTagHelperChunkGenerator_CreatesDirectiveDescriptors()
{
// Arrange
var resolver = new TestTagHelperDescriptorResolver();
var tagHelperDirectiveSpanVisitor = new TagHelperDirectiveSpanVisitor(resolver, new ErrorSink());
var document = new MarkupBlock(
Factory.Code("one").AsAddTagHelper("one"),
Factory.Code("two").AsRemoveTagHelper("two"),
Factory.Code("three").AsRemoveTagHelper("three"),
Factory.Code("four").AsTagHelperPrefixDirective("four"));
var expectedDescriptors = new TagHelperDirectiveDescriptor[]
{
new TagHelperDirectiveDescriptor
{
DirectiveText = "one",
DirectiveType = TagHelperDirectiveType.AddTagHelper
},
new TagHelperDirectiveDescriptor
{
DirectiveText = "two",
DirectiveType = TagHelperDirectiveType.RemoveTagHelper
},
new TagHelperDirectiveDescriptor
{
DirectiveText = "three",
DirectiveType = TagHelperDirectiveType.RemoveTagHelper
},
new TagHelperDirectiveDescriptor
{
DirectiveText = "four",
DirectiveType = TagHelperDirectiveType.TagHelperPrefix
}
};
// Act
tagHelperDirectiveSpanVisitor.GetDescriptors(document);
// Assert
Assert.Equal(
expectedDescriptors,
resolver.DirectiveDescriptors,
TagHelperDirectiveDescriptorComparer.Default);
}
public void TagHelperResolution(bool designTime)
{
var descriptorResolver = new TagHelperDescriptorResolver(designTime);
var errorSink = new ErrorSink();
var addTagHelperDirective = new TagHelperDirectiveDescriptor
{
DirectiveText = "*, Microsoft.AspNetCore.Mvc.TagHelpers",
DirectiveType = TagHelperDirectiveType.AddTagHelper,
Location = SourceLocation.Zero
};
var resolutionContext = new TagHelperDescriptorResolutionContext(
new[] { addTagHelperDirective },
errorSink);
IEnumerable <TagHelperDescriptor> descriptors;
using (Collector.StartCollection())
{
descriptors = descriptorResolver.Resolve(resolutionContext);
}
Assert.NotEmpty(descriptors);
Assert.Empty(errorSink.Errors);
}
public void GetDescriptors_CanOverrideResolutionContext()
{
// Arrange
var resolver = new TestTagHelperDescriptorResolver();
var expectedInitialDirectiveDescriptors = new TagHelperDirectiveDescriptor[]
{
new TagHelperDirectiveDescriptor
{
DirectiveText = "one",
DirectiveType = TagHelperDirectiveType.AddTagHelper
},
new TagHelperDirectiveDescriptor
{
DirectiveText = "two",
DirectiveType = TagHelperDirectiveType.RemoveTagHelper
},
new TagHelperDirectiveDescriptor
{
DirectiveText = "three",
DirectiveType = TagHelperDirectiveType.RemoveTagHelper
},
new TagHelperDirectiveDescriptor
{
DirectiveText = "four",
DirectiveType = TagHelperDirectiveType.TagHelperPrefix
}
};
var expectedEndDirectiveDescriptors = new TagHelperDirectiveDescriptor[]
{
new TagHelperDirectiveDescriptor
{
DirectiveText = "custom",
DirectiveType = TagHelperDirectiveType.AddTagHelper
}
};
var tagHelperDirectiveSpanVisitor = new CustomTagHelperDirectiveSpanVisitor(
resolver,
(descriptors, errorSink) =>
{
Assert.Equal(
expectedInitialDirectiveDescriptors,
descriptors,
TagHelperDirectiveDescriptorComparer.Default);
return(new TagHelperDescriptorResolutionContext(expectedEndDirectiveDescriptors, errorSink));
});
var document = new MarkupBlock(
Factory.Code("one").AsAddTagHelper("one"),
Factory.Code("two").AsRemoveTagHelper("two"),
Factory.Code("three").AsRemoveTagHelper("three"),
Factory.Code("four").AsTagHelperPrefixDirective("four"));
// Act
tagHelperDirectiveSpanVisitor.GetDescriptors(document);
// Assert
Assert.Equal(expectedEndDirectiveDescriptors,
resolver.DirectiveDescriptors,
TagHelperDirectiveDescriptorComparer.Default);
}
