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Add TagHelperFactsServiceTest to validate root with parent expecting descriptor. 

#1253
This commit is contained in:
N. Taylor Mullen 2017-05-10 16:32:34 -07:00
parent 3a4dcabb2c
commit 51fb1b787a
1 changed files with 26 additions and 0 deletions
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26
test/Microsoft.VisualStudio.LanguageServices.Razor.Test/DefaultTagHelperFactsServiceTest.cs
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@ -306,6 +306,32 @@ namespace Microsoft.VisualStudio.LanguageServices.Razor
Assert.Equal(documentDescriptors, descriptors, TagHelperDescriptorComparer.CaseSensitive);
}
[Fact]
public void GetTagHelpersGivenParent_AllowsRootParentTagForParentRestrictedTagHelperDescriptors()
{
// Arrange
var documentDescriptors = new[]
{
TagHelperDescriptorBuilder.Create("DivTagHelper", "TestAssembly")
.TagMatchingRule(rule => rule.RequireTagName("div"))
.Build(),
TagHelperDescriptorBuilder.Create("PTagHelper", "TestAssembly")
.TagMatchingRule(rule => rule
.RequireTagName("p")
.RequireParentTag("body"))
.Build()
};
var documentContext = TagHelperDocumentContext.Create(string.Empty, documentDescriptors);
var service = new DefaultTagHelperFactsService();
// Act
var descriptors = service.GetTagHelpersGivenParent(documentContext, parentTag: null /* root */);
// Assert
var descriptor = Assert.Single(descriptors);
Assert.Equal(documentDescriptors[0], descriptor, TagHelperDescriptorComparer.CaseSensitive);
}
[Fact]
public void GetTagHelpersGivenParent_AllowsUnspecifiedParentTagHelpers()
{