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