public void ViewComponentTagHelperPass_Execute_CreatesViewComponentTagHelper_Nested()
{
// Arrange
var codeDocument = CreateDocument(@"
@addTagHelper *, TestAssembly
<p foo=""17""><tagcloud foo=""17""></p>");
var tagHelpers = new[]
{
TagHelperDescriptorBuilder.Create("PTestTagHelper", "TestAssembly")
.TypeName("PTestTagHelper")
.BoundAttributeDescriptor(attribute => attribute
.PropertyName("Foo")
.Name("Foo")
.TypeName("System.Int32"))
.TagMatchingRuleDescriptor(rule => rule.RequireTagName("p"))
.Build(),
TagHelperDescriptorBuilder.Create(ViewComponentTagHelperConventions.Kind, "TestTagHelper", "TestAssembly")
.TypeName("__Generated__TagCloudViewComponentTagHelper")
.BoundAttributeDescriptor(attribute => attribute
.PropertyName("Foo")
.Name("Foo")
.TypeName("System.Int32"))
.TagMatchingRuleDescriptor(rule => rule.RequireTagName("tagcloud"))
.AddMetadata(ViewComponentTagHelperMetadata.Name, "TagCloud")
.Build()
};
var projectEngine = CreateProjectEngine(tagHelpers);
var pass = new ViewComponentTagHelperPass()
{
Engine = projectEngine.Engine,
};
var irDocument = CreateIRDocument(projectEngine, codeDocument);
var vcthFullName = "AspNetCore.test.__Generated__TagCloudViewComponentTagHelper";
// Act
pass.Execute(codeDocument, irDocument);
// Assert
var outerTagHelper = FindTagHelperNode(irDocument);
Assert.Equal("PTestTagHelper", Assert.IsType <DefaultTagHelperCreateIntermediateNode>(outerTagHelper.Children[1]).TypeName);
Assert.Equal("Foo", Assert.IsType <DefaultTagHelperPropertyIntermediateNode>(outerTagHelper.Children[2]).PropertyName);
var vcth = FindTagHelperNode(outerTagHelper.Children[0]);
Assert.Equal(vcthFullName, Assert.IsType <DefaultTagHelperCreateIntermediateNode>(vcth.Children[1]).TypeName);
Assert.Equal("Foo", Assert.IsType <DefaultTagHelperPropertyIntermediateNode>(vcth.Children[2]).PropertyName);
var @class = FindClassNode(irDocument);
Assert.Equal(5, @class.Children.Count);
Assert.IsType <ViewComponentTagHelperIntermediateNode>(@class.Children.Last());
}
public void ViewComponentTagHelperPass_Execute_CreatesViewComponentTagHelper_WithIndexer()
{
// Arrange
var codeDocument = CreateDocument(@"
@addTagHelper TestTagHelper, TestAssembly
<tagcloud tag-foo=""17"">");
var tagHelpers = new[]
{
TagHelperDescriptorBuilder.Create(ViewComponentTagHelperConventions.Kind, "TestTagHelper", "TestAssembly")
.TypeName("__Generated__TagCloudViewComponentTagHelper")
.BoundAttributeDescriptor(attribute => attribute
.Name("Foo")
.TypeName("System.Collections.Generic.Dictionary<System.String, System.Int32>")
.PropertyName("Tags")
.AsDictionaryAttribute("foo-", "System.Int32"))
.TagMatchingRuleDescriptor(rule => rule.RequireTagName("tagcloud"))
.AddMetadata(ViewComponentTagHelperMetadata.Name, "TagCloud")
.Build()
};
var projectEngine = CreateProjectEngine(tagHelpers);
var pass = new ViewComponentTagHelperPass()
{
Engine = projectEngine.Engine,
};
var irDocument = CreateIRDocument(projectEngine, codeDocument);
var vcthFullName = "AspNetCore.test.__Generated__TagCloudViewComponentTagHelper";
// Act
pass.Execute(codeDocument, irDocument);
// Assert
var tagHelper = FindTagHelperNode(irDocument);
Assert.Equal(vcthFullName, Assert.IsType <DefaultTagHelperCreateIntermediateNode>(tagHelper.Children[1]).TypeName);
Assert.IsType <DefaultTagHelperHtmlAttributeIntermediateNode>(tagHelper.Children[2]);
var @class = FindClassNode(irDocument);
Assert.Equal(4, @class.Children.Count);
Assert.IsType <ViewComponentTagHelperIntermediateNode>(@class.Children[3]);
}
public void ViewComponentTagHelperPass_Execute_IgnoresRegularTagHelper()
{
// Arrange
var codeDocument = CreateDocument(@"
@addTagHelper TestTagHelper, TestAssembly
<p foo=""17"">");
var tagHelpers = new[]
{
TagHelperDescriptorBuilder.Create("TestTagHelper", "TestAssembly")
.TypeName("TestTagHelper")
.BoundAttributeDescriptor(attribute => attribute
.Name("Foo")
.TypeName("System.Int32"))
.TagMatchingRuleDescriptor(rule => rule.RequireTagName("p"))
.Build()
};
var projectEngine = CreateProjectEngine(tagHelpers);
var pass = new ViewComponentTagHelperPass()
{
Engine = projectEngine.Engine,
};
var irDocument = CreateIRDocument(projectEngine, codeDocument);
// Act
pass.Execute(codeDocument, irDocument);
// Assert
var @class = FindClassNode(irDocument);
Assert.Equal(3, @class.Children.Count); // No class node created for a VCTH
for (var i = 0; i < @class.Children.Count; i++)
{
Assert.IsNotType <ViewComponentTagHelperIntermediateNode>(@class.Children[i]);
}
}
public void ViewComponentTagHelperPass_Execute_CreatesViewComponentTagHelper()
{
// Arrange
var codeDocument = CreateDocument(@"
@addTagHelper TestTagHelper, TestAssembly
<tagcloud foo=""17"">");
var tagHelpers = new[]
{
TagHelperDescriptorBuilder.Create(ViewComponentTagHelperConventions.Kind, "TestTagHelper", "TestAssembly")
.TypeName("__Generated__TagCloudViewComponentTagHelper")
.BoundAttributeDescriptor(attribute => attribute
.Name("Foo")
.TypeName("System.Int32")
.PropertyName("Foo"))
.TagMatchingRuleDescriptor(rule => rule.RequireTagName("tagcloud"))
.AddMetadata(ViewComponentTagHelperMetadata.Name, "TagCloud")
.Build()
};
var engine = CreateEngine(tagHelpers);
var pass = new ViewComponentTagHelperPass()
{
Engine = engine,
};
var irDocument = CreateIRDocument(engine, codeDocument);
var vcthFullName = "AspNetCore.test_cshtml.__Generated__TagCloudViewComponentTagHelper";
// Act
pass.Execute(codeDocument, irDocument);
// Assert
var tagHelper = FindTagHelperNode(irDocument);
Assert.Equal(vcthFullName, Assert.IsType<DefaultTagHelperCreateIntermediateNode>(tagHelper.Children[1]).TypeName);
Assert.Equal("Foo", Assert.IsType<DefaultTagHelperPropertyIntermediateNode>(tagHelper.Children[2]).PropertyName);
var @class = FindClassNode(irDocument);
Assert.Equal(4, @class.Children.Count);
var vcthClass = Assert.IsType<CSharpCodeIntermediateNode>(@class.Children.Last());
var tokenNode = vcthClass.Children[0] as IntermediateToken;
Assert.Equal(
@"[Microsoft.AspNetCore.Razor.TagHelpers.HtmlTargetElementAttribute(""tagcloud"")]
public class __Generated__TagCloudViewComponentTagHelper : Microsoft.AspNetCore.Razor.TagHelpers.TagHelper
{
private readonly global::Microsoft.AspNetCore.Mvc.IViewComponentHelper _helper = null;
public __Generated__TagCloudViewComponentTagHelper(global::Microsoft.AspNetCore.Mvc.IViewComponentHelper helper)
{
_helper = helper;
}
[Microsoft.AspNetCore.Razor.TagHelpers.HtmlAttributeNotBoundAttribute, global::Microsoft.AspNetCore.Mvc.ViewFeatures.ViewContextAttribute]
public global::Microsoft.AspNetCore.Mvc.Rendering.ViewContext ViewContext { get; set; }
public System.Int32 Foo { get; set; }
public override async global::System.Threading.Tasks.Task ProcessAsync(Microsoft.AspNetCore.Razor.TagHelpers.TagHelperContext context, Microsoft.AspNetCore.Razor.TagHelpers.TagHelperOutput output)
{
(_helper as global::Microsoft.AspNetCore.Mvc.ViewFeatures.IViewContextAware)?.Contextualize(ViewContext);
var content = await _helper.InvokeAsync(""TagCloud"", new { Foo });
output.TagName = null;
output.Content.SetHtmlContent(content);
}
}
",
tokenNode.Content,
ignoreLineEndingDifferences: true);
Assert.Equal(TokenKind.CSharp, tokenNode.Kind);
}
