public void WriteTagHelperCreate_Runtime_RendersCorrectly_UsesSpecifiedTagHelperType()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateRuntime();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new DefaultTagHelperCreateIntermediateNode()
{
FieldName = "__TestNamespace_MyTagHelper",
TypeName = "TestNamespace.MyTagHelper",
};
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperCreate(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"__TestNamespace_MyTagHelper = CreateTagHelper<global::TestNamespace.MyTagHelper>();
__tagHelperExecutionContext.Add(__TestNamespace_MyTagHelper);
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperCreate(CodeRenderingContext context, DefaultTagHelperCreateIntermediateNode node)
{
if (context.Parent as TagHelperIntermediateNode == null)
{
var message = Resources.FormatIntermediateNodes_InvalidParentNode(node.GetType(), typeof(TagHelperIntermediateNode));
throw new InvalidOperationException(message);
}
context.CodeWriter
.WriteStartAssignment(node.FieldName)
.Write(CreateTagHelperMethodName)
.WriteLine("<global::" + node.TypeName + ">();");
if (!context.Options.DesignTime)
{
context.CodeWriter.WriteInstanceMethodInvocation(
ExecutionContextVariableName,
ExecutionContextAddMethodName,
node.FieldName);
}
}
