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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.IO;
using System.Web.Razor.Parser;
using System.Web.Razor.Parser.SyntaxTree;
using System.Web.Razor.Test.Framework;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Razor.Test.Parser
{
public class RazorParserTest
{
[Fact]
public void ConstructorRequiresNonNullCodeParser()
{
Assert.ThrowsArgumentNull(() => new RazorParser(null, new HtmlMarkupParser()), "codeParser");
}
[Fact]
public void ConstructorRequiresNonNullMarkupParser()
{
Assert.ThrowsArgumentNull(() => new RazorParser(new CSharpCodeParser(), null), "markupParser");
}
[Fact]
public void ParseMethodCallsParseDocumentOnMarkupParserAndReturnsResults()
{
var factory = SpanFactory.CreateCsHtml();
// Arrange
RazorParser parser = new RazorParser(new CSharpCodeParser(), new HtmlMarkupParser());
// Act/Assert
ParserTestBase.EvaluateResults(parser.Parse(new StringReader("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 ParseMethodUsesProvidedParserListenerIfSpecified()
{
var factory = SpanFactory.CreateCsHtml();
// Arrange
RazorParser parser = new RazorParser(new CSharpCodeParser(), new HtmlMarkupParser());
// Act
ParserResults results = parser.Parse(new StringReader("foo @bar baz"));
// Assert
ParserTestBase.EvaluateResults(results,
new MarkupBlock(
factory.Markup("foo "),
new ExpressionBlock(
factory.CodeTransition(),
factory.Code("bar")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
factory.Markup(" baz")));
}
[Fact]
public void ParseMethodSetsUpRunWithSpecifiedCodeParserMarkupParserAndListenerAndPassesToMarkupParser()
{
RunParseWithListenerTest((parser, reader) => parser.Parse(reader));
}
private static void RunParseWithListenerTest(Action<RazorParser, TextReader> parserAction)
{
// Arrange
ParserBase markupParser = new MockMarkupParser();
ParserBase codeParser = new CSharpCodeParser();
RazorParser parser = new RazorParser(codeParser, markupParser);
TextReader expectedReader = new StringReader("foo");
// Act
parserAction(parser, expectedReader);
// Assert
ParserContext actualContext = markupParser.Context;
Assert.NotNull(actualContext);
Assert.Same(markupParser, actualContext.MarkupParser);
Assert.Same(markupParser, actualContext.ActiveParser);
Assert.Same(codeParser, actualContext.CodeParser);
}
private class MockMarkupParser : ParserBase
{
public override bool IsMarkupParser
{
get
{
return true;
}
}
public override void ParseDocument()
{
using (Context.StartBlock(BlockType.Markup))
{
}
}
public override void ParseSection(Tuple<string, string> nestingSequences, bool caseSensitive = true)
{
using (Context.StartBlock(BlockType.Markup))
{
}
}
public override void ParseBlock()
{
using (Context.StartBlock(BlockType.Markup))
{
}
}
protected override ParserBase OtherParser
{
get { return Context.CodeParser; }
}
public override void BuildSpan(SpanBuilder span, Razor.Text.SourceLocation start, string content)
{
throw new NotImplementedException();
}
}
}
}
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