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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.Web.Razor.Editor;
using System.Web.Razor.Generator;
using System.Web.Razor.Parser;
using System.Web.Razor.Parser.SyntaxTree;
using System.Web.Razor.Test.Framework;
using System.Web.Razor.Text;
using Xunit;
namespace System.Web.Razor.Test.Parser.Html
{
public class HtmlAttributeTest : CsHtmlMarkupParserTestBase
{
[Fact]
public void SimpleLiteralAttribute()
{
ParseBlockTest("<a href='Foo' />",
new MarkupBlock(
Factory.Markup("<a"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "href", prefix: new LocationTagged<string>(" href='", 2, 0, 2), suffix: new LocationTagged<string>("'", 12, 0, 12)),
Factory.Markup(" href='").With(SpanCodeGenerator.Null),
Factory.Markup("Foo").With(new LiteralAttributeCodeGenerator(prefix: new LocationTagged<string>(String.Empty, 9, 0, 9), value: new LocationTagged<string>("Foo", 9, 0, 9))),
Factory.Markup("'").With(SpanCodeGenerator.Null)),
Factory.Markup(" />").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void MultiPartLiteralAttribute()
{
ParseBlockTest("<a href='Foo Bar Baz' />",
new MarkupBlock(
Factory.Markup("<a"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "href", prefix: new LocationTagged<string>(" href='", 2, 0, 2), suffix: new LocationTagged<string>("'", 20, 0, 20)),
Factory.Markup(" href='").With(SpanCodeGenerator.Null),
Factory.Markup("Foo").With(new LiteralAttributeCodeGenerator(prefix: new LocationTagged<string>(String.Empty, 9, 0, 9), value: new LocationTagged<string>("Foo", 9, 0, 9))),
Factory.Markup(" Bar").With(new LiteralAttributeCodeGenerator(prefix: new LocationTagged<string>(" ", 12, 0, 12), value: new LocationTagged<string>("Bar", 13, 0, 13))),
Factory.Markup(" Baz").With(new LiteralAttributeCodeGenerator(prefix: new LocationTagged<string>(" ", 16, 0, 16), value: new LocationTagged<string>("Baz", 17, 0, 17))),
Factory.Markup("'").With(SpanCodeGenerator.Null)),
Factory.Markup(" />").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void DoubleQuotedLiteralAttribute()
{
ParseBlockTest("<a href=\"Foo Bar Baz\" />",
new MarkupBlock(
Factory.Markup("<a"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "href", prefix: new LocationTagged<string>(" href=\"", 2, 0, 2), suffix: new LocationTagged<string>("\"", 20, 0, 20)),
Factory.Markup(" href=\"").With(SpanCodeGenerator.Null),
Factory.Markup("Foo").With(new LiteralAttributeCodeGenerator(prefix: new LocationTagged<string>(String.Empty, 9, 0, 9), value: new LocationTagged<string>("Foo", 9, 0, 9))),
Factory.Markup(" Bar").With(new LiteralAttributeCodeGenerator(prefix: new LocationTagged<string>(" ", 12, 0, 12), value: new LocationTagged<string>("Bar", 13, 0, 13))),
Factory.Markup(" Baz").With(new LiteralAttributeCodeGenerator(prefix: new LocationTagged<string>(" ", 16, 0, 16), value: new LocationTagged<string>("Baz", 17, 0, 17))),
Factory.Markup("\"").With(SpanCodeGenerator.Null)),
Factory.Markup(" />").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void UnquotedLiteralAttribute()
{
ParseBlockTest("<a href=Foo Bar Baz />",
new MarkupBlock(
Factory.Markup("<a"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "href", prefix: new LocationTagged<string>(" href=", 2, 0, 2), suffix: new LocationTagged<string>(String.Empty, 11, 0, 11)),
Factory.Markup(" href=").With(SpanCodeGenerator.Null),
Factory.Markup("Foo").With(new LiteralAttributeCodeGenerator(prefix: new LocationTagged<string>(String.Empty, 8, 0, 8), value: new LocationTagged<string>("Foo", 8, 0, 8)))),
Factory.Markup(" Bar Baz />").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void SimpleExpressionAttribute()
{
ParseBlockTest("<a href='@foo' />",
new MarkupBlock(
Factory.Markup("<a"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "href", prefix: new LocationTagged<string>(" href='", 2, 0, 2), suffix: new LocationTagged<string>("'", 13, 0, 13)),
Factory.Markup(" href='").With(SpanCodeGenerator.Null),
new MarkupBlock(new DynamicAttributeBlockCodeGenerator(new LocationTagged<string>(String.Empty, 9, 0, 9), 9, 0, 9),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("foo")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace))),
Factory.Markup("'").With(SpanCodeGenerator.Null)),
Factory.Markup(" />").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void MultiValueExpressionAttribute()
{
ParseBlockTest("<a href='@foo bar @baz' />",
new MarkupBlock(
Factory.Markup("<a"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "href", prefix: new LocationTagged<string>(" href='", 2, 0, 2), suffix: new LocationTagged<string>("'", 22, 0, 22)),
Factory.Markup(" href='").With(SpanCodeGenerator.Null),
new MarkupBlock(new DynamicAttributeBlockCodeGenerator(new LocationTagged<string>(String.Empty, 9, 0, 9), 9, 0, 9),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("foo")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace))),
Factory.Markup(" bar").With(new LiteralAttributeCodeGenerator(new LocationTagged<string>(" ", 13, 0, 13), new LocationTagged<string>("bar", 14, 0, 14))),
new MarkupBlock(new DynamicAttributeBlockCodeGenerator(new LocationTagged<string>(" ", 17, 0, 17), 18, 0, 18),
Factory.Markup(" ").With(SpanCodeGenerator.Null),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("baz")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace))),
Factory.Markup("'").With(SpanCodeGenerator.Null)),
Factory.Markup(" />").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void VirtualPathAttributesWorkWithConditionalAttributes()
{
ParseBlockTest("<a href='@foo ~/Foo/Bar' />",
new MarkupBlock(
Factory.Markup("<a"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "href", prefix: new LocationTagged<string>(" href='", 2, 0, 2), suffix: new LocationTagged<string>("'", 23, 0, 23)),
Factory.Markup(" href='").With(SpanCodeGenerator.Null),
new MarkupBlock(new DynamicAttributeBlockCodeGenerator(new LocationTagged<string>(String.Empty, 9, 0, 9), 9, 0, 9),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("foo")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace))),
Factory.Markup(" ~/Foo/Bar")
.WithEditorHints(EditorHints.VirtualPath)
.With(new LiteralAttributeCodeGenerator(
new LocationTagged<string>(" ", 13, 0, 13),
new LocationTagged<SpanCodeGenerator>(new ResolveUrlCodeGenerator(), 14, 0, 14))),
Factory.Markup("'").With(SpanCodeGenerator.Null)),
Factory.Markup(" />").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void UnquotedAttributeWithCodeWithSpacesInBlock()
{
ParseBlockTest("<input value=@foo />",
new MarkupBlock(
Factory.Markup("<input"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "value", prefix: new LocationTagged<string>(" value=", 6, 0, 6), suffix: new LocationTagged<string>(String.Empty, 17, 0, 17)),
Factory.Markup(" value=").With(SpanCodeGenerator.Null),
new MarkupBlock(new DynamicAttributeBlockCodeGenerator(new LocationTagged<string>(String.Empty, 13, 0, 13), 13, 0, 13),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("foo")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)))),
Factory.Markup(" />").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void UnquotedAttributeWithCodeWithSpacesInDocument()
{
ParseDocumentTest("<input value=@foo />",
new MarkupBlock(
Factory.Markup("<input"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "value", prefix: new LocationTagged<string>(" value=", 6, 0, 6), suffix: new LocationTagged<string>(String.Empty, 17, 0, 17)),
Factory.Markup(" value=").With(SpanCodeGenerator.Null),
new MarkupBlock(new DynamicAttributeBlockCodeGenerator(new LocationTagged<string>(String.Empty, 13, 0, 13), 13, 0, 13),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("foo")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)))),
Factory.Markup(" />")));
}
[Fact]
public void ConditionalAttributeCollapserDoesNotRemoveUrlAttributeValues()
{
// Act
ParserResults results = ParseDocument("<a href='~/Foo/Bar' />");
Block rewritten = new ConditionalAttributeCollapser(new HtmlMarkupParser().BuildSpan).Rewrite(results.Document);
rewritten = new MarkupCollapser(new HtmlMarkupParser().BuildSpan).Rewrite(rewritten);
// Assert
Assert.Equal(0, results.ParserErrors.Count);
EvaluateParseTree(rewritten,
new MarkupBlock(
Factory.Markup("<a"),
new MarkupBlock(new AttributeBlockCodeGenerator(name: "href", prefix: new LocationTagged<string>(" href='", 2, 0, 2), suffix: new LocationTagged<string>("'", 18, 0, 18)),
Factory.Markup(" href='").With(SpanCodeGenerator.Null),
Factory.Markup("~/Foo/Bar")
.WithEditorHints(EditorHints.VirtualPath)
.With(new LiteralAttributeCodeGenerator(
new LocationTagged<string>(String.Empty, 9, 0, 9),
new LocationTagged<SpanCodeGenerator>(new ResolveUrlCodeGenerator(), 9, 0, 9))),
Factory.Markup("'").With(SpanCodeGenerator.Null)),
Factory.Markup(" />")));
}
[Fact]
public void ConditionalAttributesDoNotCreateExtraDataForEntirelyLiteralAttribute()
{
// Arrange
const string code =
#region Big Block o' code
@"<div class=""sidebar"">
<h1>Title</h1>
<p>
As the author, you can <a href=""/Photo/Edit/photoId"">edit</a>
or <a href=""/Photo/Remove/photoId"">remove</a> this photo.
</p>
<dl>
<dt class=""description"">Description</dt>
<dd class=""description"">
The uploader did not provide a description for this photo.
</dd>
<dt class=""uploaded-by"">Uploaded by</dt>
<dd class=""uploaded-by""><a href=""/User/View/user.UserId"">user.DisplayName</a></dd>
<dt class=""upload-date"">Upload date</dt>
<dd class=""upload-date"">photo.UploadDate</dd>
<dt class=""part-of-gallery"">Gallery</dt>
<dd><a href=""/View/gallery.Id"" title=""View gallery.Name gallery"">gallery.Name</a></dd>
<dt class=""tags"">Tags</dt>
<dd class=""tags"">
<ul class=""tags"">
<li>This photo has no tags.</li>
</ul>
<a href=""/Photo/EditTags/photoId"">edit tags</a>
</dd>
</dl>
<p>
<a class=""download"" href=""/Photo/Full/photoId"" title=""Download: (photo.FileTitle + photo.FileExtension)"">Download full photo</a> ((photo.FileSize / 1024) KB)
</p>
</div>
<div class=""main"">
<img class=""large-photo"" alt=""photo.FileTitle"" src=""/Photo/Thumbnail"" />
<h2>Nobody has commented on this photo</h2>
<ol class=""comments"">
<li>
<h3 class=""comment-header"">
<a href=""/User/View/comment.UserId"" title=""View comment.DisplayName's profile"">comment.DisplayName</a> commented at comment.CommentDate:
</h3>
<p class=""comment-body"">comment.CommentText</p>
</li>
</ol>
<form method=""post"" action="""">
<fieldset id=""addComment"">
<legend>Post new comment</legend>
<ol>
<li>
<label for=""newComment"">Comment</label>
<textarea id=""newComment"" name=""newComment"" title=""Your comment"" rows=""6"" cols=""70""></textarea>
</li>
</ol>
<p class=""form-actions"">
<input type=""submit"" title=""Add comment"" value=""Add comment"" />
</p>
</fieldset>
</form>
</div>";
#endregion
// Act
ParserResults results = ParseDocument(code);
Block rewritten = new ConditionalAttributeCollapser(new HtmlMarkupParser().BuildSpan).Rewrite(results.Document);
rewritten = new MarkupCollapser(new HtmlMarkupParser().BuildSpan).Rewrite(rewritten);
// Assert
Assert.Equal(0, results.ParserErrors.Count);
EvaluateParseTree(rewritten, new MarkupBlock(Factory.Markup(code)));
}
[Fact]
public void ConditionalAttributesAreDisabledForDataAttributesInBlock()
{
ParseBlockTest("<span data-foo='@foo'></span>",
new MarkupBlock(
Factory.Markup("<span"),
new MarkupBlock(
Factory.Markup(" data-foo='"),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("foo")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.Markup("'")),
Factory.Markup("></span>").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ConditionalAttributesAreDisabledForDataAttributesInDocument()
{
ParseDocumentTest("<span data-foo='@foo'></span>",
new MarkupBlock(
Factory.Markup("<span"),
new MarkupBlock(
Factory.Markup(" data-foo='"),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("foo")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.Markup("'")),
Factory.Markup("></span>")));
}
}
}
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