325 lines
16 KiB
C#
325 lines
16 KiB
C#
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// 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.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 Xunit;
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namespace System.Web.Razor.Test.Parser.VB
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{
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public class VBHelperTest : VBHtmlMarkupParserTestBase
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{
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[Fact]
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public void ParseHelperOutputsErrorButContinuesIfLParenFoundAfterHelperKeyword()
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{
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ParseDocumentTest("@Helper ()",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("()", 8, 0, 8), headerComplete: true),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("()").Hidden().AutoCompleteWith(SyntaxConstants.VB.EndHelperKeyword),
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new StatementBlock())),
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new RazorError(
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String.Format(
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RazorResources.ParseError_Unexpected_Character_At_Helper_Name_Start,
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String.Format(RazorResources.ErrorComponent_Character, "(")),
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8, 0, 8),
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new RazorError(
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String.Format(RazorResources.ParseError_BlockNotTerminated, "Helper", "End Helper"),
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1, 0, 1));
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}
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[Fact]
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public void ParseHelperStatementOutputsMarkerHelperHeaderSpanOnceKeywordComplete()
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{
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ParseDocumentTest("@Helper ",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>(String.Empty, 8, 0, 8), headerComplete: false),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.EmptyVB().Hidden())),
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new RazorError(
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String.Format(RazorResources.ParseError_Unexpected_Character_At_Helper_Name_Start, RazorResources.ErrorComponent_EndOfFile),
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8, 0, 8));
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}
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[Fact]
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public void ParseHelperStatementMarksHelperSpanAsCanGrowIfMissingTrailingSpace()
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{
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ParseDocumentTest("@Helper",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(
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Factory.CodeTransition(),
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Factory.MetaCode("Helper"))),
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new RazorError(
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String.Format(RazorResources.ParseError_Unexpected_Character_At_Helper_Name_Start, RazorResources.ErrorComponent_EndOfFile),
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7, 0, 7));
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}
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[Fact]
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public void ParseHelperStatementTerminatesEarlyIfHeaderNotComplete()
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{
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ParseDocumentTest(@"@Helper
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@Helper",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(
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Factory.CodeTransition(),
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Factory.MetaCode("Helper\r\n").Accepts(AcceptedCharacters.None),
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Factory.EmptyVB().Hidden()),
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new HelperBlock(
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Factory.CodeTransition(),
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Factory.MetaCode("Helper"))),
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designTimeParser: true,
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expectedErrors: new[]
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{
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new RazorError(
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String.Format(
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RazorResources.ParseError_Unexpected_Character_At_Helper_Name_Start,
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String.Format(RazorResources.ErrorComponent_Character, "@")),
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9, 1, 0),
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new RazorError(
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String.Format(
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RazorResources.ParseError_Unexpected_Character_At_Helper_Name_Start,
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RazorResources.ErrorComponent_EndOfFile),
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16, 1, 7)
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});
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}
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[Fact]
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public void ParseHelperStatementTerminatesEarlyIfHeaderNotCompleteWithSpace()
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{
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ParseDocumentTest(@"@Helper @Helper",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>(String.Empty, 8, 0, 8), headerComplete: false),
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Factory.CodeTransition(),
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Factory.MetaCode(@"Helper ").Accepts(AcceptedCharacters.None),
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Factory.EmptyVB().Hidden()),
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new HelperBlock(
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Factory.CodeTransition(),
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Factory.MetaCode("Helper").Accepts(AcceptedCharacters.Any))),
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designTimeParser: true,
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expectedErrors: new[]
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{
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new RazorError(
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String.Format(
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RazorResources.ParseError_Unexpected_Character_At_Helper_Name_Start,
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String.Format(RazorResources.ErrorComponent_Character, "@")),
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8, 0, 8),
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new RazorError(
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String.Format(
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RazorResources.ParseError_Unexpected_Character_At_Helper_Name_Start,
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RazorResources.ErrorComponent_EndOfFile),
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15, 0, 15)
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});
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}
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[Fact]
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public void ParseHelperStatementAllowsDifferentlyCasedEndHelperKeyword()
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{
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ParseDocumentTest(@"@Helper Foo()
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end helper",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("Foo()", 8, 0, 8), headerComplete: true),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("Foo()").Hidden(),
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new StatementBlock(
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Factory.Code("\r\n").AsStatement(),
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Factory.MetaCode("end helper").Accepts(AcceptedCharacters.None))),
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Factory.EmptyHtml()));
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}
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[Fact]
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public void ParseHelperStatementCapturesWhitespaceToEndOfLineIfHelperStatementMissingName()
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{
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ParseDocumentTest(@"@Helper
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",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>(" ", 8, 0, 8), headerComplete: false),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code(" ").Hidden()),
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Factory.Markup("\r\n ")),
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new RazorError(
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String.Format(
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RazorResources.ParseError_Unexpected_Character_At_Helper_Name_Start,
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RazorResources.ErrorComponent_Newline),
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30, 0, 30));
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}
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[Fact]
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public void ParseHelperStatementCapturesWhitespaceToEndOfLineIfHelperStatementMissingOpenParen()
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{
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ParseDocumentTest(@"@Helper Foo
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",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("Foo ", 8, 0, 8), headerComplete: false),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("Foo ").Hidden()),
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Factory.Markup("\r\n ")),
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new RazorError(
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String.Format(RazorResources.ParseError_MissingCharAfterHelperName, "("),
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15, 0, 15));
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}
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[Fact]
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public void ParseHelperStatementCapturesAllContentToEndOfFileIfHelperStatementMissingCloseParenInParameterList()
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{
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ParseDocumentTest(@"@Helper Foo(Foo Bar
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Biz
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Boz",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("Foo(Foo Bar\r\nBiz\r\nBoz", 8, 0, 8), headerComplete: false),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("Foo(Foo Bar\r\nBiz\r\nBoz").Hidden())),
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new RazorError(RazorResources.ParseError_UnterminatedHelperParameterList, 11, 0, 11));
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}
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[Fact]
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public void ParseHelperStatementCapturesWhitespaceToEndOfLineIfHelperStatementMissingOpenBraceAfterParameterList()
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{
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ParseDocumentTest(@"@Helper Foo(foo as String)
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",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("Foo(foo as String)", 8, 0, 8), headerComplete: true),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("Foo(foo as String)")
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.Hidden()
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.AutoCompleteWith(SyntaxConstants.VB.EndHelperKeyword),
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new StatementBlock(
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Factory.Code(" \r\n").AsStatement()))),
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new RazorError(
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String.Format(RazorResources.ParseError_BlockNotTerminated, "Helper", "End Helper"),
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1, 0, 1));
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}
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[Fact]
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public void ParseHelperStatementContinuesParsingHelperUntilEOF()
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{
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ParseDocumentTest(@"@Helper Foo(foo as String)
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@<p>Foo</p>",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("Foo(foo as String)", 8, 0, 8), headerComplete: true),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("Foo(foo as String)")
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.Hidden()
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.AutoCompleteWith(SyntaxConstants.VB.EndHelperKeyword),
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new StatementBlock(
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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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Factory.MarkupTransition(),
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Factory.Markup("<p>Foo</p>").Accepts(AcceptedCharacters.None)),
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Factory.EmptyVB().AsStatement()))),
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new RazorError(
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String.Format(RazorResources.ParseError_BlockNotTerminated, "Helper", "End Helper"),
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1, 0, 1));
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}
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[Fact]
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public void ParseHelperStatementCorrectlyParsesHelperWithEmbeddedCode()
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{
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ParseDocumentTest(@"@Helper Foo(foo as String, bar as String)
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@<p>@foo</p>
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End Helper",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("Foo(foo as String, bar as String)", 8, 0, 8), headerComplete: true),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("Foo(foo as String, bar as String)").Hidden(),
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new StatementBlock(
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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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Factory.MarkupTransition(),
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Factory.Markup("<p>"),
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new ExpressionBlock(
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Factory.CodeTransition(),
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Factory.Code("foo")
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.AsImplicitExpression(VBCodeParser.DefaultKeywords)
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.Accepts(AcceptedCharacters.NonWhiteSpace)),
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Factory.Markup("</p>\r\n").Accepts(AcceptedCharacters.None)),
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Factory.EmptyVB().AsStatement(),
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Factory.MetaCode("End Helper").Accepts(AcceptedCharacters.None))),
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Factory.EmptyHtml()));
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}
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[Fact]
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public void ParseHelperStatementGivesWhitespaceAfterCloseParenToMarkup()
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{
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ParseDocumentTest(@"@Helper Foo(string foo)
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",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("Foo(string foo)", 8, 0, 8), headerComplete: true),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("Foo(string foo)")
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.Hidden()
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.AutoCompleteWith(SyntaxConstants.VB.EndHelperKeyword),
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new StatementBlock(
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Factory.Code(" \r\n ").AsStatement()))),
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designTimeParser: true,
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expectedErrors:
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new RazorError(
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String.Format(
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RazorResources.ParseError_BlockNotTerminated,
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"Helper", "End Helper"),
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1, 0, 1));
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}
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[Fact]
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public void ParseHelperAcceptsNestedHelpersButOutputsError()
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{
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ParseDocumentTest(@"@Helper Foo(string foo)
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@Helper Bar(string baz)
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End Helper
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End Helper",
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new MarkupBlock(
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Factory.EmptyHtml(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("Foo(string foo)", 8, 0, 8), headerComplete: true),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("Foo(string foo)").Hidden(),
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new StatementBlock(
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Factory.Code("\r\n ").AsStatement(),
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new HelperBlock(new HelperCodeGenerator(new LocationTagged<string>("Bar(string baz)", 37, 1, 12), headerComplete: true),
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Factory.CodeTransition(),
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Factory.MetaCode("Helper ").Accepts(AcceptedCharacters.None),
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Factory.Code("Bar(string baz)").Hidden(),
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new StatementBlock(
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Factory.Code("\r\n ").AsStatement(),
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Factory.MetaCode("End Helper").Accepts(AcceptedCharacters.None))),
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Factory.Code("\r\n").AsStatement(),
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Factory.MetaCode("End Helper").Accepts(AcceptedCharacters.None))),
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Factory.EmptyHtml()),
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designTimeParser: true,
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expectedErrors: new[]
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{
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new RazorError(
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RazorResources.ParseError_Helpers_Cannot_Be_Nested,
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30, 1, 5)
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});
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}
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}
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}
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