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Add tests to validate @addtaghelper directive.
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- Fixed existing tests to work with new RazorParser.
- Validated directive syntax tree creation, errors and code generation.

#111
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@NTaylorMullen
NTaylorMullen committed Sep 23, 2014
1 parent 5632d9a commit 8ba1682
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Showing 20 changed files with 320 additions and 95 deletions.
1 change: 1 addition & 0 deletions src/Microsoft.AspNet.Razor/Parser/CSharpCodeParser.cs
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Expand Up @@ -19,6 +19,7 @@ public partial class CSharpCodeParser : TokenizerBackedParser<CSharpTokenizer, C

internal static ISet<string> DefaultKeywords = new HashSet<string>()
{
"addtaghelper",
"if",
"do",
"try",
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5 changes: 5 additions & 0 deletions test/Microsoft.AspNet.Razor.Test/Framework/TestSpanBuilder.cs
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Expand Up @@ -300,6 +300,11 @@ public SpanConstructor AsRazorDirectiveAttribute(string key, string value)
return _self.With(new RazorDirectiveAttributeCodeGenerator(key, value));
}

public SpanConstructor AsAddTagHelper(string lookupText)
{
return _self.With(new AddTagHelperCodeGenerator(lookupText));
}

public SpanConstructor As(ISpanCodeGenerator codeGenerator)
{
return _self.With(codeGenerator);
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41 changes: 33 additions & 8 deletions test/Microsoft.AspNet.Razor.Test/Generator/CSharpRazorCodeGeneratorTest.cs
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Expand Up @@ -459,16 +459,41 @@ private void OpenedIf(bool withTabs)
});
}

private static LineMapping BuildLineMapping(int documentAbsoluteIndex, int documentLineIndex, int generatedAbsoluteIndex, int generatedLineIndex, int characterOffsetIndex, int contentLength)
{
return BuildLineMapping(documentAbsoluteIndex, documentLineIndex, characterOffsetIndex, generatedAbsoluteIndex, generatedLineIndex, characterOffsetIndex, contentLength);
}

private static LineMapping BuildLineMapping(int documentAbsoluteIndex, int documentLineIndex, int documentCharacterOffsetIndex, int generatedAbsoluteIndex, int generatedLineIndex, int generatedCharacterOffsetIndex, int contentLength)
protected static LineMapping BuildLineMapping(int documentAbsoluteIndex,
int documentLineIndex,
int generatedAbsoluteIndex,
int generatedLineIndex,
int characterOffsetIndex,
int contentLength)
{
return BuildLineMapping(documentAbsoluteIndex,
documentLineIndex,
characterOffsetIndex,
generatedAbsoluteIndex,
generatedLineIndex,
characterOffsetIndex,
contentLength);
}

protected static LineMapping BuildLineMapping(int documentAbsoluteIndex,
int documentLineIndex,
int documentCharacterOffsetIndex,
int generatedAbsoluteIndex,
int generatedLineIndex,
int generatedCharacterOffsetIndex,
int contentLength)
{
return new LineMapping(
documentLocation: new MappingLocation(new SourceLocation(documentAbsoluteIndex, documentLineIndex, documentCharacterOffsetIndex), contentLength),
generatedLocation: new MappingLocation(new SourceLocation(generatedAbsoluteIndex, generatedLineIndex, generatedCharacterOffsetIndex), contentLength)
documentLocation: new MappingLocation(
new SourceLocation(documentAbsoluteIndex,
documentLineIndex,
documentCharacterOffsetIndex),
contentLength),
generatedLocation: new MappingLocation(
new SourceLocation(generatedAbsoluteIndex,
generatedLineIndex,
generatedCharacterOffsetIndex),
contentLength)
);
}
}
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81 changes: 52 additions & 29 deletions test/Microsoft.AspNet.Razor.Test/Generator/CSharpTagHelperRenderingTest.cs
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@@ -1,7 +1,9 @@
// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System.Collections.Generic;
using System.Reflection;
using Microsoft.AspNet.Razor.Generator.Compiler;
using Microsoft.AspNet.Razor.TagHelpers;
using Moq;
using Xunit;
Expand All @@ -10,6 +12,29 @@ namespace Microsoft.AspNet.Razor.Test.Generator
{
public class CSharpTagHelperRenderingTest : TagHelperTestBase
{
[Fact]
public void CSharpCodeGeneratorCorrectlyGeneratesMappingsForAddTagHelperDirective()
{
RunTest("AddTagHelperDirective",
designTimeMode: true,
tabTest: TabTest.NoTabs,
expectedDesignTimePragmas: new List<LineMapping>()
{
BuildLineMapping(14, 0, 440, 14, 14, 11)
});
}

[Fact]
public void TagHelpers_DirectivesGenerateDesignTimeMappings()
{
// Act & Assert
RunTagHelperTest(testName: "AddTagHelperDirective",
designTimeMode: true,
tagHelperDescriptors: new[] {
new TagHelperDescriptor("p", "pTagHelper", ContentBehavior.None)
});
}

[Theory]
[InlineData("SingleTagHelper")]
[InlineData("BasicTagHelpers")]
Expand All @@ -26,50 +51,48 @@ public void TagHelpers_ChangeGeneratedOutput(string testType)
checkedPropertyInfo.Setup(ipi => ipi.PropertyType).Returns(typeof(bool));
checkedPropertyInfo.Setup(ipi => ipi.Name).Returns("Checked");
// Arrange
var tagHelperProvider = new TagHelperDescriptorProvider(
new TagHelperDescriptor[]
{
new TagHelperDescriptor("p",
"PTagHelper",
ContentBehavior.None,
new [] {
new TagHelperAttributeDescriptor("foo", pFooPropertyInfo.Object)
}),
new TagHelperDescriptor("input",
"InputTagHelper",
ContentBehavior.None,
new TagHelperAttributeDescriptor[] {
new TagHelperAttributeDescriptor("type", inputTypePropertyInfo.Object)
}),
new TagHelperDescriptor("input",
"InputTagHelper2",
ContentBehavior.None,
new TagHelperAttributeDescriptor[] {
new TagHelperAttributeDescriptor("type", inputTypePropertyInfo.Object),
new TagHelperAttributeDescriptor("checked", checkedPropertyInfo.Object)
}),
});
var tagHelperDescriptors = new TagHelperDescriptor[]
{
new TagHelperDescriptor("p",
"PTagHelper",
ContentBehavior.None,
new [] {
new TagHelperAttributeDescriptor("foo", pFooPropertyInfo.Object)
}),
new TagHelperDescriptor("input",
"InputTagHelper",
ContentBehavior.None,
new TagHelperAttributeDescriptor[] {
new TagHelperAttributeDescriptor("type", inputTypePropertyInfo.Object)
}),
new TagHelperDescriptor("input",
"InputTagHelper2",
ContentBehavior.None,
new TagHelperAttributeDescriptor[] {
new TagHelperAttributeDescriptor("type", inputTypePropertyInfo.Object),
new TagHelperAttributeDescriptor("checked", checkedPropertyInfo.Object)
})
};

// Act & Assert
RunTagHelperTest(testType, tagHelperProvider);
RunTagHelperTest(testType, tagHelperDescriptors);
}

[Fact]
public void TagHelpers_ContentBehavior()
{
// Arrange
var tagHelperProvider = new TagHelperDescriptorProvider(
new TagHelperDescriptor[]
{
var tagHelperDescriptors = new TagHelperDescriptor[]
{
new TagHelperDescriptor("modify", "ModifyTagHelper", ContentBehavior.Modify),
new TagHelperDescriptor("none", "NoneTagHelper", ContentBehavior.None),
new TagHelperDescriptor("append", "AppendTagHelper", ContentBehavior.Append),
new TagHelperDescriptor("prepend", "PrependTagHelper", ContentBehavior.Prepend),
new TagHelperDescriptor("replace", "ReplaceTagHelper", ContentBehavior.Replace),
});
};

// Act & Assert
RunTagHelperTest("ContentBehaviorTagHelpers", tagHelperProvider);
RunTagHelperTest("ContentBehaviorTagHelpers", tagHelperDescriptors);
}
}
}
5 changes: 4 additions & 1 deletion test/Microsoft.AspNet.Razor.Test/Generator/CodeTree/CSharpPaddingBuilderTests.cs
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Expand Up @@ -8,6 +8,7 @@
using Microsoft.AspNet.Razor.Generator.Compiler.CSharp;
using Microsoft.AspNet.Razor.Parser;
using Microsoft.AspNet.Razor.Parser.SyntaxTree;
using Microsoft.AspNet.Razor.TagHelpers;
using Xunit;

namespace Microsoft.AspNet.Razor.Test.Generator
Expand Down Expand Up @@ -221,7 +222,9 @@ private static Span[] GenerateSpans(string text, SpanKind spanKind, int spanInde
{
Assert.True(spanIndex > 0);

var parser = new RazorParser(new CSharpCodeParser(), new HtmlMarkupParser());
var parser = new RazorParser(new TagHelperDescriptorResolver(),
new CSharpCodeParser(),
new HtmlMarkupParser());

Span[] spans;

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37 changes: 18 additions & 19 deletions test/Microsoft.AspNet.Razor.Test/Generator/TagHelperAttributeCodeGeneratorTest.cs
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Expand Up @@ -24,29 +24,28 @@ public void TagHelpers_CanReplaceAttributeCodeGeneratorLogic()
var checkedPropertyInfo = new Mock<PropertyInfo>();
checkedPropertyInfo.Setup(ipi => ipi.PropertyType).Returns(typeof(bool));
checkedPropertyInfo.Setup(ipi => ipi.Name).Returns("Checked");
var tagHelperProvider = new TagHelperDescriptorProvider(
new TagHelperDescriptor[]
{
new TagHelperDescriptor("p", "PTagHelper", ContentBehavior.None),
new TagHelperDescriptor("input",
"InputTagHelper",
ContentBehavior.None,
new TagHelperAttributeDescriptor[] {
new TagHelperAttributeDescriptor("type", inputTypePropertyInfo.Object)
}),
new TagHelperDescriptor("input",
"InputTagHelper2",
ContentBehavior.None,
new TagHelperAttributeDescriptor[] {
new TagHelperAttributeDescriptor("type", inputTypePropertyInfo.Object),
new TagHelperAttributeDescriptor("checked", checkedPropertyInfo.Object)
}),
});
var tagHelperDescriptors = new TagHelperDescriptor[]
{
new TagHelperDescriptor("p", "PTagHelper", ContentBehavior.None),
new TagHelperDescriptor("input",
"InputTagHelper",
ContentBehavior.None,
new TagHelperAttributeDescriptor[] {
new TagHelperAttributeDescriptor("type", inputTypePropertyInfo.Object)
}),
new TagHelperDescriptor("input",
"InputTagHelper2",
ContentBehavior.None,
new TagHelperAttributeDescriptor[] {
new TagHelperAttributeDescriptor("type", inputTypePropertyInfo.Object),
new TagHelperAttributeDescriptor("checked", checkedPropertyInfo.Object)
})
};

// Act & Assert
RunTagHelperTest(testName: "BasicTagHelpers",
baseLineName: "BasicTagHelpers.CustomAttributeCodeGenerator",
tagHelperProvider: tagHelperProvider,
tagHelperDescriptors: tagHelperDescriptors,
hostConfig: (host) =>
{
return new CodeBuilderReplacingHost();
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85 changes: 71 additions & 14 deletions test/Microsoft.AspNet.Razor.Test/Generator/TagHelperTestBase.cs
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Expand Up @@ -2,54 +2,111 @@
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.AspNet.Razor.Parser;
using Microsoft.AspNet.Razor.Parser.TagHelpers.Internal;
using Microsoft.AspNet.Razor.TagHelpers;

namespace Microsoft.AspNet.Razor.Test.Generator
{
public class TagHelperTestBase : CSharpRazorCodeGeneratorTest
{
protected void RunTagHelperTest(string testName, TagHelperDescriptorProvider tagHelperProvider)
protected void RunTagHelperTest(string testName, IEnumerable<TagHelperDescriptor> tagHelperDescriptors)
{
RunTagHelperTest(testName, testName, tagHelperProvider, (host) => host);
RunTagHelperTest(testName, testName, tagHelperDescriptors, host => host);
}

protected void RunTagHelperTest(string testName,
bool designTimeMode,
IEnumerable<TagHelperDescriptor> tagHelperDescriptors)
{
RunTagHelperTest(testName, testName, designTimeMode, tagHelperDescriptors);
}

protected void RunTagHelperTest(string testName,
string baseLineName,
TagHelperDescriptorProvider tagHelperProvider,
IEnumerable<TagHelperDescriptor> tagHelperDescriptors,
Func<RazorEngineHost, RazorEngineHost> hostConfig)
{
RunTagHelperTest(testName,
baseLineName,
designTimeMode: false,
tagHelperDescriptors: tagHelperDescriptors,
hostConfig: hostConfig);
}

protected void RunTagHelperTest(string testName,
string baseLineName,
bool designTimeMode,
IEnumerable<TagHelperDescriptor> tagHelperDescriptors)
{
RunTagHelperTest(testName,
baseLineName,
designTimeMode,
tagHelperDescriptors,
hostConfig: host => host);
}

protected void RunTagHelperTest(string testName,
string baseLineName,
bool designTimeMode,
IEnumerable<TagHelperDescriptor> tagHelperDescriptors,
Func<RazorEngineHost, RazorEngineHost> hostConfig)
{
RunTest(name: testName,
baselineName: baseLineName,
designTimeMode: designTimeMode,
tabTest: TabTest.NoTabs,
templateEngineConfig: (engine) =>
{
return new TagHelperTemplateEngine(engine, tagHelperProvider);
return new TagHelperTemplateEngine(engine, tagHelperDescriptors);
},
hostConfig: hostConfig);
}

private class CustomTagHelperDescriptorResolver : ITagHelperDescriptorResolver
{
private IEnumerable<TagHelperDescriptor> _tagHelperDescriptors;
private bool _resolved;

public CustomTagHelperDescriptorResolver(IEnumerable<TagHelperDescriptor> tagHelperDescriptors)
{
_tagHelperDescriptors = tagHelperDescriptors;
}

public IEnumerable<TagHelperDescriptor> Resolve(string lookupText)
{
if (!_resolved)
{
_resolved = true;

return _tagHelperDescriptors;
}
else
{
return Enumerable.Empty<TagHelperDescriptor>();
}
}
}

private class TagHelperTemplateEngine : RazorTemplateEngine
{
private TagHelperDescriptorProvider _tagHelperProvider;
private IEnumerable<TagHelperDescriptor> _tagHelperDescriptors;

public TagHelperTemplateEngine(RazorTemplateEngine engine, TagHelperDescriptorProvider tagHelperProvider)
public TagHelperTemplateEngine(RazorTemplateEngine engine,
IEnumerable<TagHelperDescriptor> tagHelperDescriptors)
: base(engine.Host)
{
_tagHelperProvider = tagHelperProvider;
_tagHelperDescriptors = tagHelperDescriptors;
}

protected internal override RazorParser CreateParser()
{
var parser = base.CreateParser();
var optimizers = parser.Optimizers.Where(opmzr => !(opmzr is TagHelperParseTreeRewriter));

parser.Optimizers = optimizers.Concat(new[] {
new TagHelperParseTreeRewriter(_tagHelperProvider)
}).ToList();

return parser;
return new RazorParser(new CustomTagHelperDescriptorResolver(_tagHelperDescriptors),
parser.CodeParser,
parser.MarkupParser);
}
}
}
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