public void WriteTagHelperProperty_DesignTime_NonStringIndexer_RendersCorrectly()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension()
{
DesignTime = true
};
var context = TestCodeRenderingContext.CreateDesignTime();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new DefaultTagHelperPropertyIntermediateNode()
{
AttributeName = "foo-bound",
AttributeStructure = AttributeStructure.DoubleQuotes,
BoundAttribute = IntIndexerTagHelper.BoundAttributes.Single(),
FieldName = "__InputTagHelper",
IsIndexerNameMatch = true,
PropertyName = "IntIndexer",
TagHelper = IntIndexerTagHelper,
Source = Span,
Children =
{
new CSharpExpressionIntermediateNode()
{
Children ={ new IntermediateToken {
Kind = TokenKind.CSharp, Content = "32",
} },
}
}
};
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperProperty(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"#line 3 ""test.cshtml""
__InputTagHelper.IntIndexer[""bound""] = 32;
#line default
#line hidden
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperProperty_Runtime_NonStringProperty_RendersCorrectly()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateRuntime();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new DefaultTagHelperPropertyIntermediateNode()
{
AttributeName = "bound",
AttributeStructure = AttributeStructure.DoubleQuotes,
BoundAttribute = IntPropertyTagHelper.BoundAttributes.Single(),
FieldName = "__InputTagHelper",
IsIndexerNameMatch = false,
PropertyName = "IntProp",
TagHelper = IntPropertyTagHelper,
Source = Span,
Children =
{
new CSharpExpressionIntermediateNode()
{
Children ={ new IntermediateToken {
Kind = TokenKind.CSharp, Content = "32",
} },
}
},
};
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperProperty(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"#line 3 ""test.cshtml""
__InputTagHelper.IntProp = 32;
#line default
#line hidden
__tagHelperExecutionContext.AddTagHelperAttribute(""bound"", __InputTagHelper.IntProp, global::Microsoft.AspNetCore.Razor.TagHelpers.HtmlAttributeValueStyle.DoubleQuotes);
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteCSharpExpression_WithSource_WritesPadding()
{
// Arrange
var codeWriter = new CodeWriter();
var writer = new RuntimeNodeWriter()
{
WriteCSharpExpressionMethod = "Test",
};
var context = TestCodeRenderingContext.CreateRuntime();
var node = new CSharpExpressionIntermediateNode()
{
Source = new SourceSpan("test.cshtml", 8, 0, 8, 3, 0, 11),
};
var builder = IntermediateNodeBuilder.Create(node);
builder.Add(new IntermediateToken()
{
Content = "i",
Kind = TokenKind.CSharp,
});
builder.Add(new MyExtensionIntermediateNode());
builder.Add(new IntermediateToken()
{
Content = "++",
Kind = TokenKind.CSharp,
});
// Act
writer.WriteCSharpExpression(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"
#nullable restore
#line (1,9)-(1,12) 5 ""test.cshtml""
Test(iRender Children
++);
#line default
#line hidden
#nullable disable
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperHtmlAttribute_DesignTime_WritesNothing()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension()
{
DesignTime = true
};
var context = TestCodeRenderingContext.CreateDesignTime();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new DefaultTagHelperHtmlAttributeIntermediateNode()
{
AttributeName = "name",
AttributeStructure = AttributeStructure.DoubleQuotes,
Children =
{
new HtmlAttributeValueIntermediateNode()
{
Children ={ new IntermediateToken {
Kind = TokenKind.Html, Content = "Blah-"
} }
},
new CSharpCodeAttributeValueIntermediateNode()
{
Children ={ new IntermediateToken {
Kind = TokenKind.CSharp, Content = "\"Foo\"",
} },
}
}
};
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperHtmlAttribute(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"Render Children
Render Children
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperProperty_Runtime_NonStringIndexer_RendersCorrectly_WithoutLocation()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateRuntime();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new DefaultTagHelperPropertyIntermediateNode()
{
AttributeName = "foo-bound",
AttributeStructure = AttributeStructure.DoubleQuotes,
BoundAttribute = IntIndexerTagHelper.BoundAttributes.Single(),
FieldName = "__InputTagHelper",
IsIndexerNameMatch = true,
PropertyName = "IntIndexer",
TagHelper = IntIndexerTagHelper,
Children =
{
new CSharpExpressionIntermediateNode()
{
Children ={ new IntermediateToken {
Kind = TokenKind.CSharp, Content = "32",
} },
}
}
};
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperProperty(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"if (__InputTagHelper.IntIndexer == null)
{
throw new InvalidOperationException(InvalidTagHelperIndexerAssignment(""foo-bound"", ""InputTagHelper"", ""IntIndexer""));
}
__InputTagHelper.IntIndexer[""bound""] = 32;
__tagHelperExecutionContext.AddTagHelperAttribute(""foo-bound"", __InputTagHelper.IntIndexer[""bound""], global::Microsoft.AspNetCore.Razor.TagHelpers.HtmlAttributeValueStyle.DoubleQuotes);
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperProperty_Runtime_StringProperty_HtmlContent_RendersCorrectly()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateRuntime();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new DefaultTagHelperPropertyIntermediateNode()
{
AttributeName = "bound",
AttributeStructure = AttributeStructure.DoubleQuotes,
BoundAttribute = StringPropertyTagHelper.BoundAttributes.Single(),
FieldName = "__InputTagHelper",
IsIndexerNameMatch = false,
PropertyName = "StringProp",
TagHelper = StringPropertyTagHelper,
Children =
{
new HtmlContentIntermediateNode()
{
Children ={ new IntermediateToken {
Kind = TokenKind.Html, Content = "\"value\"",
} },
}
}
};
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperProperty(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
// The attribute value is not rendered inline because we are not using the preallocated writer.
Assert.Equal(
@"BeginWriteTagHelperAttribute();
Render Children
__tagHelperStringValueBuffer = EndWriteTagHelperAttribute();
__InputTagHelper.StringProp = __tagHelperStringValueBuffer;
__tagHelperExecutionContext.AddTagHelperAttribute(""bound"", __InputTagHelper.StringProp, global::Microsoft.AspNetCore.Razor.TagHelpers.HtmlAttributeValueStyle.DoubleQuotes);
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteDesignTimeDirective_WithStringToken_WritesLambda()
{
// Arrange
var extension = new DesignTimeDirectiveTargetExtension();
var context = TestCodeRenderingContext.CreateDesignTime();
var node = new DesignTimeDirectiveIntermediateNode();
var token = new DirectiveTokenIntermediateNode()
{
Source = new SourceSpan("test.cshtml", 0, 0, 0, 5),
Content = "Value",
DirectiveToken = DirectiveTokenDescriptor.CreateToken(DirectiveTokenKind.String),
};
var tokenWithQuotedContent = new DirectiveTokenIntermediateNode()
{
Source = new SourceSpan("test.cshtml", 0, 0, 0, 5),
Content = "\"Value\"",
DirectiveToken = DirectiveTokenDescriptor.CreateToken(DirectiveTokenKind.String),
};
node.Children.Add(token);
node.Children.Add(tokenWithQuotedContent);
// Act
extension.WriteDesignTimeDirective(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"#pragma warning disable 219
private void __RazorDirectiveTokenHelpers__() {
((System.Action)(() => {
global::System.Object __typeHelper = ""Value"";
}
))();
((System.Action)(() => {
global::System.Object __typeHelper = ""Value"";
}
))();
}
#pragma warning restore 219
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperHtmlAttribute_Runtime_DynamicAttribute_RendersCorrectly()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateRuntime();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new DefaultTagHelperHtmlAttributeIntermediateNode()
{
AttributeName = "name",
AttributeStructure = AttributeStructure.DoubleQuotes,
Children =
{
new HtmlAttributeValueIntermediateNode()
{
Children ={ new IntermediateToken {
Kind = TokenKind.Html, Content = "Blah-"
} }
},
new CSharpCodeAttributeValueIntermediateNode()
{
Children ={ new IntermediateToken {
Kind = TokenKind.CSharp, Content = "\"Foo\"",
} },
}
}
};
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperHtmlAttribute(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"BeginAddHtmlAttributeValues(__tagHelperExecutionContext, ""name"", 2, global::Microsoft.AspNetCore.Razor.TagHelpers.HtmlAttributeValueStyle.DoubleQuotes);
Render Children
Render Children
EndAddHtmlAttributeValues(__tagHelperExecutionContext);
",
csharp,
ignoreLineEndingDifferences: true);
}
[Fact] // We don't actually assign the expression result at design time, we just use string.Empty as a placeholder.
public void WriteTagHelperProperty_DesignTime_StringProperty_NonHtmlContent_RendersCorrectly()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension()
{
DesignTime = true
};
var context = TestCodeRenderingContext.CreateDesignTime();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new DefaultTagHelperPropertyIntermediateNode()
{
AttributeName = "bound",
AttributeStructure = AttributeStructure.DoubleQuotes,
BoundAttribute = StringPropertyTagHelper.BoundAttributes.Single(),
FieldName = "__InputTagHelper",
IsIndexerNameMatch = false,
PropertyName = "StringProp",
TagHelper = StringPropertyTagHelper,
Children =
{
new CSharpExpressionIntermediateNode()
{
Children ={ new IntermediateToken {
Kind = TokenKind.CSharp, Content = "\"3+5\"",
} },
}
}
};
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperProperty(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"Render Children
__InputTagHelper.StringProp = string.Empty;
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperProperty_DesignTime_NonStringProperty_SecondUseOfAttribute()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension()
{
DesignTime = true
};
var context = TestCodeRenderingContext.CreateDesignTime();
var tagHelperNode = new TagHelperIntermediateNode();
var node1 = new DefaultTagHelperPropertyIntermediateNode()
{
// We only look at the attribute name here.
AttributeName = "bound",
FieldName = "__OtherTagHelper",
PropertyName = "IntProp",
};
var node2 = new DefaultTagHelperPropertyIntermediateNode()
{
AttributeName = "bound",
AttributeStructure = AttributeStructure.DoubleQuotes,
BoundAttribute = IntPropertyTagHelper.BoundAttributes.Single(),
FieldName = "__InputTagHelper",
IsIndexerNameMatch = false,
PropertyName = "IntProp",
TagHelper = IntPropertyTagHelper,
Source = Span,
};
tagHelperNode.Children.Add(node1);
tagHelperNode.Children.Add(node2);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperProperty(context, node2);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"__InputTagHelper.IntProp = __OtherTagHelper.IntProp;
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperProperty_RendersCorrectly()
{
// Arrange
var extension = new PreallocatedAttributeTargetExtension();
var context = TestCodeRenderingContext.CreateRuntime();
var tagHelperBuilder = new DefaultTagHelperDescriptorBuilder(TagHelperConventions.DefaultKind, "FooTagHelper", "Test");
tagHelperBuilder.TypeName("FooTagHelper");
var builder = new DefaultBoundAttributeDescriptorBuilder(tagHelperBuilder, TagHelperConventions.DefaultKind);
builder
.Name("Foo")
.TypeName("System.String")
.PropertyName("FooProp");
var descriptor = builder.Build();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new PreallocatedTagHelperPropertyIntermediateNode()
{
AttributeName = descriptor.Name,
BoundAttribute = descriptor,
FieldName = "__FooTagHelper",
PropertyName = "FooProp",
VariableName = "_tagHelper1",
};
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperProperty(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"__FooTagHelper.FooProp = (string)_tagHelper1.Value;
__tagHelperExecutionContext.AddTagHelperAttribute(_tagHelper1);
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperRuntime_DesignTime_WritesNothing()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateDesignTime();
var node = new DefaultTagHelperRuntimeIntermediateNode();
// Act
extension.WriteTagHelperRuntime(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteHtmlLiteral_WithinMaxSize_WritesSingleLiteral()
{
// Arrange
var codeWriter = new CodeWriter();
var writer = new RuntimeNodeWriter();
var context = TestCodeRenderingContext.CreateRuntime();
// Act
writer.WriteHtmlLiteral(context, maxStringLiteralLength: 6, "Hello");
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"WriteLiteral(""Hello"");
",
csharp,
ignoreLineEndingDifferences: true);
}
public void InjectDirectiveTargetExtension_WritesProperty()
{
// Arrange
var context = TestCodeRenderingContext.CreateRuntime();
var target = new InjectTargetExtension();
var node = new InjectIntermediateNode()
{
TypeName = "PropertyType",
MemberName = "PropertyName",
};
// Act
target.WriteInjectProperty(context, node);
// Assert
Assert.Equal(
"[global::Microsoft.AspNetCore.Mvc.Razor.Internal.RazorInjectAttribute]" + Environment.NewLine +
"public PropertyType PropertyName { get; private set; }" + Environment.NewLine,
context.CodeWriter.GenerateCode());
}
public void WriteHtmlLiteral_GreaterThanMaxSize_SingleEmojisSplit()
{
// Arrange
var codeWriter = new CodeWriter();
var writer = new RuntimeNodeWriter();
var context = TestCodeRenderingContext.CreateRuntime();
// Act
writer.WriteHtmlLiteral(context, maxStringLiteralLength: 2, " 👦");
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"WriteLiteral("" "");
WriteLiteral(""👦"");
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteDesignTimeDirective_WithNamespaceToken_WritesLambda()
{
// Arrange
var extension = new DesignTimeDirectiveTargetExtension();
var context = TestCodeRenderingContext.CreateDesignTime();
var node = new DesignTimeDirectiveIntermediateNode();
var token = new DirectiveTokenIntermediateNode()
{
Source = new SourceSpan("test.cshtml", 0, 0, 0, 5),
Content = "System.Collections.Generic",
DirectiveToken = DirectiveTokenDescriptor.CreateToken(DirectiveTokenKind.Namespace),
};
node.Children.Add(token);
// Act
extension.WriteDesignTimeDirective(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"#pragma warning disable 219
private void __RazorDirectiveTokenHelpers__() {
((System.Action)(() => {
#nullable restore
#line 1 ""test.cshtml""
global::System.Object __typeHelper = nameof(System.Collections.Generic);
#line default
#line hidden
#nullable disable
}
))();
}
#pragma warning restore 219
",
csharp,
ignoreLineEndingDifferences: true);
}
public void RenderTagHelperAttributeInline_NonStringIndexerMatch_TemplateInAttribute_Errors()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateRuntime();
var node = new DefaultTagHelperPropertyIntermediateNode()
{
BoundAttribute = IntIndexerTagHelper.BoundAttributes.Single(),
IsIndexerNameMatch = true,
};
var expectedLocation = new SourceSpan(100, 10);
var expectedDiagnostic = RazorDiagnosticFactory.CreateTagHelper_InlineMarkupBlocksNotSupportedInAttributes(expectedLocation, "System.Int32");
// Act
extension.RenderTagHelperAttributeInline(context, node, new TemplateIntermediateNode(), expectedLocation);
// Assert
var diagnostic = Assert.Single(context.Diagnostics);
Assert.Equal(expectedDiagnostic, diagnostic);
}
public void EndWriterScope_RendersCorrectly()
{
// Arrange
var writer = new RuntimeNodeWriter()
{
PopWriterMethod = "TestPopWriter"
};
var context = TestCodeRenderingContext.CreateRuntime();
// Act
writer.EndWriterScope(context);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"TestPopWriter();
",
csharp,
ignoreLineEndingDifferences: true);
}
public void BeginWriterScope_UsesSpecifiedWriter_RendersCorrectly()
{
// Arrange
var writer = new RuntimeNodeWriter()
{
PushWriterMethod = "TestPushWriter"
};
var context = TestCodeRenderingContext.CreateRuntime();
// Act
writer.BeginWriterScope(context, "MyWriter");
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"TestPushWriter(MyWriter);
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperRuntime_Runtime_DeclaresRequiredFields()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateRuntime();
var node = new DefaultTagHelperRuntimeIntermediateNode();
// Act
extension.WriteTagHelperRuntime(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"#line hidden
#pragma warning disable 0649
private global::Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperExecutionContext __tagHelperExecutionContext;
#pragma warning restore 0649
private global::Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperRunner __tagHelperRunner = new global::Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperRunner();
#pragma warning disable 0169
private string __tagHelperStringValueBuffer;
#pragma warning restore 0169
private global::Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperScopeManager __backed__tagHelperScopeManager = null;
private global::Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperScopeManager __tagHelperScopeManager
{
get
{
if (__backed__tagHelperScopeManager == null)
{
__backed__tagHelperScopeManager = new global::Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperScopeManager(StartTagHelperWritingScope, EndTagHelperWritingScope);
}
return __backed__tagHelperScopeManager;
}
}
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTemplate_WritesTemplateCode()
{
// Arrange
var node = new TemplateIntermediateNode()
{
Children =
{
new CSharpExpressionIntermediateNode()
}
};
var extension = new TemplateTargetExtension()
{
TemplateTypeName = "global::TestTemplate"
};
var nodeWriter = new RuntimeNodeWriter()
{
PushWriterMethod = "TestPushWriter",
PopWriterMethod = "TestPopWriter"
};
var context = TestCodeRenderingContext.CreateRuntime(nodeWriter: nodeWriter);
// Act
extension.WriteTemplate(context, node);
// Assert
var expected = @"item => new global::TestTemplate(async(__razor_template_writer) => {
TestPushWriter(__razor_template_writer);
Render Children
TestPopWriter();
}
)";
var output = context.CodeWriter.GenerateCode();
Assert.Equal(expected, output);
}
public void WriteCSharpCodeAttributeValue_WithExpression_RendersCorrectly()
{
var writer = new DesignTimeNodeWriter();
var content = "<input checked=\"hello-world @if(@true){ @false }\" />";
var sourceDocument = TestRazorSourceDocument.Create(content);
var codeDocument = RazorCodeDocument.Create(sourceDocument);
var documentNode = Lower(codeDocument);
var node = documentNode.Children.OfType <HtmlAttributeIntermediateNode>().Single().Children[1] as CSharpCodeAttributeValueIntermediateNode;
var context = TestCodeRenderingContext.CreateDesignTime(source: sourceDocument);
// Act
writer.WriteCSharpCodeAttributeValue(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"
#nullable restore
#line 1 ""test.cshtml""
if(@true){
#line default
#line hidden
#nullable disable
Render Children
#nullable restore
#line 1 ""test.cshtml""
}
#line default
#line hidden
#nullable disable
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteCSharpCode_WritesPadding_WithSource()
{
// Arrange
var codeWriter = new CodeWriter();
var writer = new RuntimeNodeWriter();
var context = TestCodeRenderingContext.CreateRuntime();
var node = new CSharpCodeIntermediateNode()
{
Source = new SourceSpan("test.cshtml", 0, 0, 0, 17),
};
IntermediateNodeBuilder.Create(node)
.Add(new IntermediateToken()
{
Kind = TokenKind.CSharp,
Content = " if (true) { }",
});
// Act
writer.WriteCSharpCode(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"
#nullable restore
#line 1 ""test.cshtml""
if (true) { }
#line default
#line hidden
#nullable disable
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteCSharpExpression_WithExtensionNode_WritesPadding()
{
// Arrange
var codeWriter = new CodeWriter();
var writer = new RuntimeNodeWriter()
{
WriteCSharpExpressionMethod = "Test",
};
var context = TestCodeRenderingContext.CreateRuntime();
var node = new CSharpExpressionIntermediateNode();
var builder = IntermediateNodeBuilder.Create(node);
builder.Add(new IntermediateToken()
{
Content = "i",
Kind = TokenKind.CSharp,
});
builder.Add(new MyExtensionIntermediateNode());
builder.Add(new IntermediateToken()
{
Content = "++",
Kind = TokenKind.CSharp,
});
// Act
writer.WriteCSharpExpression(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"Test(iRender Children
++);
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteDesignTimeDirective_NoChildren_WritesEmptyMethod_WithPragma()
{
// Arrange
var extension = new DesignTimeDirectiveTargetExtension();
var context = TestCodeRenderingContext.CreateDesignTime();
var node = new DesignTimeDirectiveIntermediateNode();
// Act
extension.WriteDesignTimeDirective(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"#pragma warning disable 219
private void __RazorDirectiveTokenHelpers__() {
}
#pragma warning restore 219
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteUsingDirective_NoSource_WritesContent()
{
// Arrange
var writer = new DesignTimeNodeWriter();
var context = TestCodeRenderingContext.CreateDesignTime();
var node = new UsingDirectiveIntermediateNode()
{
Content = "System",
};
// Act
writer.WriteUsingDirective(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"using System;
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteCSharpExpression_WritesLinePragma_WithSource()
{
// Arrange
var writer = new DesignTimeNodeWriter();
var context = TestCodeRenderingContext.CreateDesignTime();
var node = new CSharpExpressionIntermediateNode()
{
Source = new SourceSpan("test.cshtml", 0, 0, 0, 3),
};
var builder = IntermediateNodeBuilder.Create(node);
builder.Add(new IntermediateToken()
{
Content = "i++",
Kind = TokenKind.CSharp,
});
// Act
writer.WriteCSharpExpression(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"
#nullable restore
#line 1 ""test.cshtml""
__o = i++;
#line default
#line hidden
#nullable disable
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteUsingDirective_WithSource_WritesContentWithLinePragmaAndMapping()
{
// Arrange
var writer = new DesignTimeNodeWriter();
var context = TestCodeRenderingContext.CreateDesignTime();
var originalSpan = new SourceSpan("test.cshtml", 0, 0, 0, 6);
var generatedSpan = new SourceSpan(null, 38 + Environment.NewLine.Length * 3, 3, 0, 6);
var expectedSourceMapping = new SourceMapping(originalSpan, generatedSpan);
var node = new UsingDirectiveIntermediateNode()
{
Content = "System",
Source = originalSpan,
};
// Act
writer.WriteUsingDirective(context, node);
// Assert
var mapping = Assert.Single(((DefaultCodeRenderingContext)context).SourceMappings);
Assert.Equal(expectedSourceMapping, mapping);
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"
#nullable restore
#line 1 ""test.cshtml""
using System;
#line default
#line hidden
#nullable disable
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperExecute_DesignTime_RendersAsyncCode()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateDesignTime();
var tagHelperNode = new TagHelperIntermediateNode();
var node = new DefaultTagHelperExecuteIntermediateNode();
tagHelperNode.Children.Add(node);
Push(context, tagHelperNode);
// Act
extension.WriteTagHelperExecute(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"await __tagHelperRunner.RunAsync(__tagHelperExecutionContext);
",
csharp,
ignoreLineEndingDifferences: true);
}
public void WriteTagHelperRuntime_DesignTime_RendersPreRequisites()
{
// Arrange
var extension = new DefaultTagHelperTargetExtension();
var context = TestCodeRenderingContext.CreateDesignTime();
var node = new DefaultTagHelperRuntimeIntermediateNode();
// Act
extension.WriteTagHelperRuntime(context, node);
// Assert
var csharp = context.CodeWriter.GenerateCode();
Assert.Equal(
@"#line hidden
#pragma warning disable 0649
private global::Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperExecutionContext __tagHelperExecutionContext;
#pragma warning restore 0649
private global::Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperRunner __tagHelperRunner = new global::Microsoft.AspNetCore.Razor.Runtime.TagHelpers.TagHelperRunner();
",
csharp,
ignoreLineEndingDifferences: true);
}
