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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.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.WebPages.TestUtils;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Razor.Test.Parser.Html
{
public class HtmlDocumentTest : CsHtmlMarkupParserTestBase
{
private static readonly TestFile Nested1000 = TestFile.Create("nested-1000.html");
[Fact]
public void ParseDocumentMethodThrowsArgNullExceptionOnNullContext()
{
// Arrange
HtmlMarkupParser parser = new HtmlMarkupParser();
// Act and Assert
Assert.Throws<InvalidOperationException>(() => parser.ParseDocument(), RazorResources.Parser_Context_Not_Set);
}
[Fact]
public void ParseSectionMethodThrowsArgNullExceptionOnNullContext()
{
// Arrange
HtmlMarkupParser parser = new HtmlMarkupParser();
// Act and Assert
Assert.Throws<InvalidOperationException>(() => parser.ParseSection(null, true), RazorResources.Parser_Context_Not_Set);
}
[Fact]
public void ParseDocumentOutputsEmptyBlockWithEmptyMarkupSpanIfContentIsEmptyString()
{
ParseDocumentTest(String.Empty, new MarkupBlock(Factory.EmptyHtml()));
}
[Fact]
public void ParseDocumentOutputsWhitespaceOnlyContentAsSingleWhitespaceMarkupSpan()
{
SingleSpanDocumentTest(" ", BlockType.Markup, SpanKind.Markup);
}
[Fact]
public void ParseDocumentAcceptsSwapTokenAtEndOfFileAndOutputsZeroLengthCodeSpan()
{
ParseDocumentTest("@",
new MarkupBlock(
Factory.EmptyHtml(),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.EmptyCSharp()
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.EmptyHtml()),
new RazorError(RazorResources.ParseError_Unexpected_EndOfFile_At_Start_Of_CodeBlock, 1, 0, 1));
}
[Fact]
public void ParseDocumentCorrectlyHandlesSingleLineOfMarkupWithEmbeddedStatement()
{
ParseDocumentTest("<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>")));
}
[Fact]
public void ParseDocumentWithinSectionDoesNotCreateDocumentLevelSpan()
{
ParseDocumentTest(@"@section Foo {
<html></html>
}",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("Foo"),
Factory.CodeTransition(),
Factory.MetaCode("section Foo {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup("\r\n <html></html>\r\n")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseDocumentParsesWholeContentAsOneSpanIfNoSwapCharacterEncountered()
{
SingleSpanDocumentTest("foo <bar>baz</bar>", BlockType.Markup, SpanKind.Markup);
}
[Fact]
public void ParseDocumentHandsParsingOverToCodeParserWhenAtSignEncounteredAndEmitsOutput()
{
ParseDocumentTest("foo @bar baz",
new MarkupBlock(
Factory.Markup("foo "),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("bar")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.Markup(" baz")));
}
[Fact]
public void ParseDocumentEmitsAtSignAsMarkupIfAtEndOfFile()
{
ParseDocumentTest("foo @",
new MarkupBlock(
Factory.Markup("foo "),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.EmptyCSharp()
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.EmptyHtml()),
new RazorError(RazorResources.ParseError_Unexpected_EndOfFile_At_Start_Of_CodeBlock, 5, 0, 5));
}
[Fact]
public void ParseDocumentEmitsCodeBlockIfFirstCharacterIsSwapCharacter()
{
ParseDocumentTest("@bar",
new MarkupBlock(
Factory.EmptyHtml(),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("bar")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseDocumentDoesNotSwitchToCodeOnEmailAddressInText()
{
SingleSpanDocumentTest("<foo>anurse@microsoft.com</foo>", BlockType.Markup, SpanKind.Markup);
}
[Fact]
public void ParseDocumentDoesNotSwitchToCodeOnEmailAddressInAttribute()
{
ParseDocumentTest("<a href=\"mailto:anurse@microsoft.com\">Email me</a>",
new MarkupBlock(
Factory.Markup("<a"),
new MarkupBlock(new AttributeBlockCodeGenerator("href", new LocationTagged<string>(" href=\"", 2, 0, 2), new LocationTagged<string>("\"", 36, 0, 36)),
Factory.Markup(" href=\"").With(SpanCodeGenerator.Null),
Factory.Markup("mailto:anurse@microsoft.com")
.With(new LiteralAttributeCodeGenerator(new LocationTagged<string>(String.Empty, 9, 0, 9), new LocationTagged<string>("mailto:anurse@microsoft.com", 9, 0, 9))),
Factory.Markup("\"").With(SpanCodeGenerator.Null)),
Factory.Markup(">Email me</a>")));
}
[Fact]
public void ParseDocumentDoesNotReturnErrorOnMismatchedTags()
{
SingleSpanDocumentTest("Foo <div><p></p></p> Baz", BlockType.Markup, SpanKind.Markup);
}
[Fact]
public void ParseDocumentReturnsOneMarkupSegmentIfNoCodeBlocksEncountered()
{
SingleSpanDocumentTest("Foo <p>Baz<!--Foo-->Bar<!-F> Qux", BlockType.Markup, SpanKind.Markup);
}
[Fact]
public void ParseDocumentRendersTextPseudoTagAsMarkup()
{
SingleSpanDocumentTest("Foo <text>Foo</text>", BlockType.Markup, SpanKind.Markup);
}
[Fact]
public void ParseDocumentAcceptsEndTagWithNoMatchingStartTag()
{
SingleSpanDocumentTest("Foo </div> Bar", BlockType.Markup, SpanKind.Markup);
}
[Fact]
public void ParseDocumentNoLongerSupportsDollarOpenBraceCombination()
{
ParseDocumentTest("<foo>${bar}</foo>",
new MarkupBlock(
Factory.Markup("<foo>${bar}</foo>")));
}
[Fact]
public void ParseDocumentIgnoresTagsInContentsOfScriptTag()
{
ParseDocumentTest(@"<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>")));
}
[Fact]
public void ParseSectionIgnoresTagsInContentsOfScriptTag()
{
ParseDocumentTest(@"@section Foo { <script>foo<bar baz='@boz'></script> }",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("Foo"),
Factory.CodeTransition(),
Factory.MetaCode("section Foo {"),
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> ")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseBlockCanParse1000NestedElements()
{
string content = Nested1000.ReadAllText();
SingleSpanDocumentTest(content, BlockType.Markup, SpanKind.Markup);
}
}
}
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