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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.Resources;
using System.Web.Razor.Test.Framework;
using System.Web.Razor.Text;
using System.Web.Razor.Tokenizer.Symbols;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Razor.Test.Parser.Html
{
public class HtmlBlockTest : CsHtmlMarkupParserTestBase
{
[Fact]
public void ParseBlockMethodThrowsArgNullExceptionOnNullContext()
{
// Arrange
HtmlMarkupParser parser = new HtmlMarkupParser();
// Act and Assert
Assert.Throws<InvalidOperationException>(() => parser.ParseBlock(), RazorResources.Parser_Context_Not_Set);
}
[Fact]
public void ParseBlockHandlesOpenAngleAtEof()
{
ParseDocumentTest(@"@{
<",
new MarkupBlock(
Factory.EmptyHtml(),
new StatementBlock(
Factory.CodeTransition(),
Factory.MetaCode("{").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n").AsStatement(),
new MarkupBlock(
Factory.Markup("<")))),
new RazorError(
String.Format(RazorResources.ParseError_Expected_EndOfBlock_Before_EOF, RazorResources.BlockName_Code, "}", "{"),
1, 0, 1));
}
[Fact]
public void ParseBlockHandlesOpenAngleWithProperTagFollowingIt()
{
ParseDocumentTest(@"@{
<
</html>",
new MarkupBlock(
Factory.EmptyHtml(),
new StatementBlock(
Factory.CodeTransition(),
Factory.MetaCode("{").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n").AsStatement(),
new MarkupBlock(
Factory.Markup("<\r\n")
),
new MarkupBlock(
Factory.Markup(@"</html>").Accepts(AcceptedCharacters.None)
),
Factory.EmptyCSharp().AsStatement()
)
),
designTimeParser: true,
expectedErrors: new[]
{
new RazorError(String.Format(RazorResources.ParseError_UnexpectedEndTag, "html"), 7, 2, 0),
new RazorError(String.Format(RazorResources.ParseError_Expected_EndOfBlock_Before_EOF, "code", "}", "{"), 1, 0, 1)
});
}
[Fact]
public void TagWithoutCloseAngleDoesNotTerminateBlock()
{
ParseBlockTest(@"<
",
new MarkupBlock(
Factory.Markup("< \r\n ")),
designTimeParser: true,
expectedErrors: new RazorError(String.Format(RazorResources.ParseError_UnfinishedTag, String.Empty), 0, 0, 0));
}
[Fact]
public void ParseBlockAllowsStartAndEndTagsToDifferInCase()
{
SingleSpanBlockTest("<li><p>Foo</P></lI>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockReadsToEndOfLineIfFirstCharacterAfterTransitionIsColon()
{
ParseBlockTest(@"@:<li>Foo Bar Baz
bork",
new MarkupBlock(
Factory.MarkupTransition(),
Factory.MetaMarkup(":", HtmlSymbolType.Colon),
Factory.Markup("<li>Foo Bar Baz\r\n")
.With(new SingleLineMarkupEditHandler(CSharpLanguageCharacteristics.Instance.TokenizeString, AcceptedCharacters.None))
));
}
[Fact]
public void ParseBlockStopsParsingSingleLineBlockAtEOFIfNoEOLReached()
{
ParseBlockTest("@:foo bar",
new MarkupBlock(
Factory.MarkupTransition(),
Factory.MetaMarkup(":", HtmlSymbolType.Colon),
Factory.Markup(@"foo bar")
.With(new SingleLineMarkupEditHandler(CSharpLanguageCharacteristics.Instance.TokenizeString))
));
}
[Fact]
public void ParseBlockStopsAtMatchingCloseTagToStartTag()
{
SingleSpanBlockTest("<a><b></b></a><c></c>", "<a><b></b></a>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockParsesUntilMatchingEndTagIfFirstNonWhitespaceCharacterIsStartTag()
{
SingleSpanBlockTest("<baz><boz><biz></biz></boz></baz>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockAllowsUnclosedTagsAsLongAsItCanRecoverToAnExpectedEndTag()
{
SingleSpanBlockTest("<foo><bar><baz></foo>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockWithSelfClosingTagJustEmitsTag()
{
SingleSpanBlockTest("<foo />", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockCanHandleSelfClosingTagsWithinBlock()
{
SingleSpanBlockTest("<foo><bar /></foo>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockSupportsTagsWithAttributes()
{
ParseBlockTest("<foo bar=\"baz\"><biz><boz zoop=zork/></biz></foo>",
new MarkupBlock(
Factory.Markup("<foo"),
new MarkupBlock(new AttributeBlockCodeGenerator("bar", new LocationTagged<string>(" bar=\"", 4, 0, 4), new LocationTagged<string>("\"", 13, 0, 13)),
Factory.Markup(" bar=\"").With(SpanCodeGenerator.Null),
Factory.Markup("baz").With(new LiteralAttributeCodeGenerator(new LocationTagged<string>(String.Empty, 10, 0, 10), new LocationTagged<string>("baz", 10, 0, 10))),
Factory.Markup("\"").With(SpanCodeGenerator.Null)),
Factory.Markup("><biz><boz"),
new MarkupBlock(new AttributeBlockCodeGenerator("zoop", new LocationTagged<string>(" zoop=", 24, 0, 24), new LocationTagged<string>(String.Empty, 34, 0, 34)),
Factory.Markup(" zoop=").With(SpanCodeGenerator.Null),
Factory.Markup("zork").With(new LiteralAttributeCodeGenerator(new LocationTagged<string>(String.Empty, 30, 0, 30), new LocationTagged<string>("zork", 30, 0, 30)))),
Factory.Markup("/></biz></foo>").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockAllowsCloseAngleBracketInAttributeValueIfDoubleQuoted()
{
ParseBlockTest("<foo><bar baz=\">\" /></foo>",
new MarkupBlock(
Factory.Markup("<foo><bar"),
new MarkupBlock(new AttributeBlockCodeGenerator("baz", new LocationTagged<string>(" baz=\"", 9, 0, 9), new LocationTagged<string>("\"", 16, 0, 16)),
Factory.Markup(" baz=\"").With(SpanCodeGenerator.Null),
Factory.Markup(">").With(new LiteralAttributeCodeGenerator(new LocationTagged<string>(String.Empty, 15, 0, 15), new LocationTagged<string>(">", 15, 0, 15))),
Factory.Markup("\"").With(SpanCodeGenerator.Null)),
Factory.Markup(" /></foo>").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockAllowsCloseAngleBracketInAttributeValueIfSingleQuoted()
{
ParseBlockTest("<foo><bar baz=\'>\' /></foo>",
new MarkupBlock(
Factory.Markup("<foo><bar"),
new MarkupBlock(new AttributeBlockCodeGenerator("baz", new LocationTagged<string>(" baz='", 9, 0, 9), new LocationTagged<string>("'", 16, 0, 16)),
Factory.Markup(" baz='").With(SpanCodeGenerator.Null),
Factory.Markup(">").With(new LiteralAttributeCodeGenerator(new LocationTagged<string>(String.Empty, 15, 0, 15), new LocationTagged<string>(">", 15, 0, 15))),
Factory.Markup("'").With(SpanCodeGenerator.Null)),
Factory.Markup(" /></foo>").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockAllowsSlashInAttributeValueIfDoubleQuoted()
{
ParseBlockTest("<foo><bar baz=\"/\"></bar></foo>",
new MarkupBlock(
Factory.Markup("<foo><bar"),
new MarkupBlock(new AttributeBlockCodeGenerator("baz", new LocationTagged<string>(" baz=\"", 9, 0, 9), new LocationTagged<string>("\"", 16, 0, 16)),
Factory.Markup(" baz=\"").With(SpanCodeGenerator.Null),
Factory.Markup("/").With(new LiteralAttributeCodeGenerator(new LocationTagged<string>(String.Empty, 15, 0, 15), new LocationTagged<string>("/", 15, 0, 15))),
Factory.Markup("\"").With(SpanCodeGenerator.Null)),
Factory.Markup("></bar></foo>").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockAllowsSlashInAttributeValueIfSingleQuoted()
{
ParseBlockTest("<foo><bar baz=\'/\'></bar></foo>",
new MarkupBlock(
Factory.Markup("<foo><bar"),
new MarkupBlock(new AttributeBlockCodeGenerator("baz", new LocationTagged<string>(" baz='", 9, 0, 9), new LocationTagged<string>("'", 16, 0, 16)),
Factory.Markup(" baz='").With(SpanCodeGenerator.Null),
Factory.Markup("/").With(new LiteralAttributeCodeGenerator(new LocationTagged<string>(String.Empty, 15, 0, 15), new LocationTagged<string>("/", 15, 0, 15))),
Factory.Markup("'").With(SpanCodeGenerator.Null)),
Factory.Markup("></bar></foo>").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockTerminatesAtEOF()
{
SingleSpanBlockTest("<foo>", "<foo>", BlockType.Markup, SpanKind.Markup,
new RazorError(String.Format(RazorResources.ParseError_MissingEndTag, "foo"), new SourceLocation(0, 0, 0)));
}
[Fact]
public void ParseBlockSupportsCommentAsBlock()
{
SingleSpanBlockTest("<!-- foo -->", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockSupportsCommentWithinBlock()
{
SingleSpanBlockTest("<foo>bar<!-- zoop -->baz</foo>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockProperlyBalancesCommentStartAndEndTags()
{
SingleSpanBlockTest("<!--<foo></bar>-->", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockTerminatesAtEOFWhenParsingComment()
{
SingleSpanBlockTest("<!--<foo>", "<!--<foo>", BlockType.Markup, SpanKind.Markup);
}
[Fact]
public void ParseBlockOnlyTerminatesCommentOnFullEndSequence()
{
SingleSpanBlockTest("<!--<foo>--</bar>-->", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockTerminatesCommentAtFirstOccurrenceOfEndSequence()
{
SingleSpanBlockTest("<foo><!--<foo></bar-->--></foo>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockTreatsMalformedTagsAsContent()
{
SingleSpanBlockTest(
"<foo></!-- bar --></foo>",
"<foo></!-- bar -->",
BlockType.Markup,
SpanKind.Markup,
AcceptedCharacters.None,
new RazorError(String.Format(RazorResources.ParseError_MissingEndTag, "foo"), 0, 0, 0));
}
[Fact]
public void ParseBlockParsesSGMLDeclarationAsEmptyTag()
{
SingleSpanBlockTest("<foo><!DOCTYPE foo bar baz></foo>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockTerminatesSGMLDeclarationAtFirstCloseAngle()
{
SingleSpanBlockTest("<foo><!DOCTYPE foo bar> baz></foo>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockParsesXMLProcessingInstructionAsEmptyTag()
{
SingleSpanBlockTest("<foo><?xml foo bar baz?></foo>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockTerminatesXMLProcessingInstructionAtQuestionMarkCloseAnglePair()
{
SingleSpanBlockTest("<foo><?xml foo bar?> baz</foo>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockDoesNotTerminateXMLProcessingInstructionAtCloseAngleUnlessPreceededByQuestionMark()
{
SingleSpanBlockTest("<foo><?xml foo bar> baz?></foo>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockSupportsScriptTagsWithLessThanSignsInThem()
{
SingleSpanBlockTest(@"<script>if(foo<bar) { alert(""baz"");)</script>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockSupportsScriptTagsWithSpacedLessThanSignsInThem()
{
SingleSpanBlockTest(@"<script>if(foo < bar) { alert(""baz"");)</script>", BlockType.Markup, SpanKind.Markup, acceptedCharacters: AcceptedCharacters.None);
}
[Fact]
public void ParseBlockAcceptsEmptyTextTag()
{
ParseBlockTest("<text/>",
new MarkupBlock(
Factory.MarkupTransition("<text/>")
));
}
[Fact]
public void ParseBlockAcceptsTextTagAsOuterTagButDoesNotRender()
{
ParseBlockTest("<text>Foo Bar <foo> Baz</text> zoop",
new MarkupBlock(
Factory.MarkupTransition("<text>"),
Factory.Markup("Foo Bar <foo> Baz"),
Factory.MarkupTransition("</text>"),
Factory.Markup(" ").Accepts(AcceptedCharacters.None)
));
}
[Fact]
public void ParseBlockRendersLiteralTextTagIfDoubled()
{
ParseBlockTest("<text><text>Foo Bar <foo> Baz</text></text> zoop",
new MarkupBlock(
Factory.MarkupTransition("<text>"),
Factory.Markup("<text>Foo Bar <foo> Baz</text>"),
Factory.MarkupTransition("</text>"),
Factory.Markup(" ").Accepts(AcceptedCharacters.None)
));
}
[Fact]
public void ParseBlockDoesNotConsiderPsuedoTagWithinMarkupBlock()
{
ParseBlockTest("<foo><text><bar></bar></foo>",
new MarkupBlock(
Factory.Markup("<foo><text><bar></bar></foo>").Accepts(AcceptedCharacters.None)
));
}
[Fact]
public void ParseBlockStopsParsingMidEmptyTagIfEOFReached()
{
ParseBlockTest("<br/",
new MarkupBlock(
Factory.Markup("<br/")
),
new RazorError(String.Format(RazorResources.ParseError_UnfinishedTag, "br"), SourceLocation.Zero));
}
[Fact]
public void ParseBlockCorrectlyHandlesSingleLineOfMarkupWithEmbeddedStatement()
{
ParseBlockTest("<div>Foo @if(true) {} Bar</div>",
new MarkupBlock(
Factory.Markup("<div>Foo "),
new StatementBlock(
Factory.CodeTransition(),
Factory.Code("if(true) {}").AsStatement()),
Factory.Markup(" Bar</div>").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockIgnoresTagsInContentsOfScriptTag()
{
ParseBlockTest(@"<script>foo<bar baz='@boz'></script>",
new MarkupBlock(
Factory.Markup("<script>foo<bar baz='"),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("boz")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords, acceptTrailingDot: false)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.Markup("'></script>")
.Accepts(AcceptedCharacters.None)));
}
}
}
|
