aspnetcore/test/Microsoft.AspNet.Razor.Test/Parser/CSharp/CSharpSectionTest.cs

406 lines
18 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
using System;
using Microsoft.AspNet.Razor.Generator;
using Microsoft.AspNet.Razor.Parser;
using Microsoft.AspNet.Razor.Parser.SyntaxTree;
using Microsoft.AspNet.Razor.Resources;
using Microsoft.AspNet.Razor.Test.Framework;
using Microsoft.TestCommon;
namespace Microsoft.AspNet.Razor.Test.Parser.CSharp
{
public class CSharpSectionTest : CsHtmlMarkupParserTestBase
{
[Fact]
public void ParseSectionBlockCapturesNewlineImmediatelyFollowing()
{
ParseDocumentTest("@section" + Environment.NewLine,
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator(String.Empty),
Factory.CodeTransition(),
Factory.MetaCode("section\r\n"))),
new RazorError(
String.Format(
RazorResources.ParseError_Unexpected_Character_At_Section_Name_Start,
RazorResources.ErrorComponent_EndOfFile),
10, 1, 0));
}
[Fact]
public void ParseSectionBlockCapturesWhitespaceToEndOfLineInSectionStatementMissingOpenBrace()
{
ParseDocumentTest("@section Foo " + Environment.NewLine
+ " ",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("Foo"),
Factory.CodeTransition(),
Factory.MetaCode("section Foo \r\n")),
Factory.Markup(" ")),
new RazorError(RazorResources.ParseError_MissingOpenBraceAfterSection, 12, 0, 12));
}
[Fact]
public void ParseSectionBlockCapturesWhitespaceToEndOfLineInSectionStatementMissingName()
{
ParseDocumentTest("@section " + Environment.NewLine
+ " ",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator(String.Empty),
Factory.CodeTransition(),
Factory.MetaCode("section \r\n")),
Factory.Markup(" ")),
new RazorError(
String.Format(
RazorResources.ParseError_Unexpected_Character_At_Section_Name_Start,
RazorResources.ErrorComponent_EndOfFile),
23, 1, 4));
}
[Fact]
public void ParseSectionBlockIgnoresSectionUnlessAllLowerCase()
{
ParseDocumentTest("@Section foo",
new MarkupBlock(
Factory.EmptyHtml(),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("Section")
.AsImplicitExpression(CSharpCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.Markup(" foo")));
}
[Fact]
public void ParseSectionBlockReportsErrorAndTerminatesSectionBlockIfKeywordNotFollowedByIdentifierStartCharacter()
{
ParseDocumentTest("@section 9 { <p>Foo</p> }",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator(String.Empty),
Factory.CodeTransition(),
Factory.MetaCode("section ")),
Factory.Markup("9 { <p>Foo</p> }")),
new RazorError(
String.Format(
RazorResources.ParseError_Unexpected_Character_At_Section_Name_Start,
String.Format(RazorResources.ErrorComponent_Character, "9")),
9, 0, 9));
}
[Fact]
public void ParseSectionBlockReportsErrorAndTerminatesSectionBlockIfNameNotFollowedByOpenBrace()
{
ParseDocumentTest("@section foo-bar { <p>Foo</p> }",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo")),
Factory.Markup("-bar { <p>Foo</p> }")),
new RazorError(RazorResources.ParseError_MissingOpenBraceAfterSection, 12, 0, 12));
}
[Fact]
public void ParserOutputsErrorOnNestedSections()
{
ParseDocumentTest("@section foo { @section bar { <p>Foo</p> } }",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup(" "),
new SectionBlock(new SectionCodeGenerator("bar"),
Factory.CodeTransition(),
Factory.MetaCode("section bar {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup(" <p>Foo</p> ")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.Markup(" ")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()),
new RazorError(
String.Format(
RazorResources.ParseError_Sections_Cannot_Be_Nested,
RazorResources.SectionExample_CS),
23, 0, 23));
}
[Fact]
public void ParseSectionBlockHandlesEOFAfterOpenBrace()
{
ParseDocumentTest("@section foo {",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo {")
.AutoCompleteWith("}", atEndOfSpan: true),
new MarkupBlock())),
new RazorError(
String.Format(RazorResources.ParseError_Expected_X, "}"),
14, 0, 14));
}
[Fact]
public void ParseSectionBlockHandlesUnterminatedSection()
{
ParseDocumentTest("@section foo { <p>Foo{}</p>",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo {")
.AutoCompleteWith("}", atEndOfSpan: true),
new MarkupBlock(
// Need to provide the markup span as fragments, since the parser will split the {} into separate symbols.
Factory.Markup(" <p>Foo", "{", "}", "</p>")))),
new RazorError(
String.Format(RazorResources.ParseError_Expected_X, "}"),
27, 0, 27));
}
[Fact]
public void ParseSectionBlockReportsErrorAndAcceptsWhitespaceToEndOfLineIfSectionNotFollowedByOpenBrace()
{
ParseDocumentTest("@section foo " + Environment.NewLine,
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo \r\n"))),
new RazorError(RazorResources.ParseError_MissingOpenBraceAfterSection, 12, 0, 12));
}
[Fact]
public void ParseSectionBlockAcceptsOpenBraceMultipleLinesBelowSectionName()
{
ParseDocumentTest("@section foo " + Environment.NewLine
+ Environment.NewLine
+ Environment.NewLine
+ Environment.NewLine
+ Environment.NewLine
+ Environment.NewLine
+ "{" + Environment.NewLine
+ "<p>Foo</p>" + Environment.NewLine
+ "}",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo \r\n\r\n\r\n\r\n\r\n\r\n{")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup("\r\n<p>Foo</p>\r\n")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseSectionBlockParsesNamedSectionCorrectly()
{
ParseDocumentTest("@section foo { <p>Foo</p> }",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup(" <p>Foo</p> ")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseSectionBlockDoesNotRequireSpaceBetweenSectionNameAndOpenBrace()
{
ParseDocumentTest("@section foo{ <p>Foo</p> }",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo{")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup(" <p>Foo</p> ")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseSectionBlockBalancesBraces()
{
ParseDocumentTest("@section foo { <script>(function foo() { return 1; })();</script> }",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup(" <script>(function foo() { return 1; })();</script> ")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseSectionBlockAllowsBracesInCSharpExpression()
{
ParseDocumentTest("@section foo { I really want to render a close brace, so here I go: @(\"}\") }",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup(" I really want to render a close brace, so here I go: "),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.MetaCode("(").Accepts(AcceptedCharacters.None),
Factory.Code("\"}\"").AsExpression(),
Factory.MetaCode(")").Accepts(AcceptedCharacters.None)),
Factory.Markup(" ")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void SectionIsCorrectlyTerminatedWhenCloseBraceImmediatelyFollowsCodeBlock()
{
ParseDocumentTest("@section Foo {" + Environment.NewLine
+ "@if(true) {" + Environment.NewLine
+ "}" + Environment.NewLine
+ "}",
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"),
new StatementBlock(
Factory.CodeTransition(),
Factory.Code("if(true) {\r\n}\r\n").AsStatement()
)),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void SectionIsCorrectlyTerminatedWhenCloseBraceImmediatelyFollowsCodeBlockNoWhitespace()
{
ParseDocumentTest("@section Foo {" + Environment.NewLine
+ "@if(true) {" + Environment.NewLine
+ "}}",
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"),
new StatementBlock(
Factory.CodeTransition(),
Factory.Code("if(true) {\r\n}").AsStatement()
)),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseSectionBlockCorrectlyTerminatesWhenCloseBraceImmediatelyFollowsMarkup()
{
ParseDocumentTest("@section foo {something}",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("foo"),
Factory.CodeTransition(),
Factory.MetaCode("section foo {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup("something")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseSectionBlockParsesComment()
{
ParseDocumentTest("@section s {<!-- -->}",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("s"),
Factory.CodeTransition(),
Factory.MetaCode("section s {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup("<!-- -->")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
// This was a user reported bug (codeplex #710), the section parser wasn't handling
// comments.
[Fact]
public void ParseSectionBlockParsesCommentWithDelimiters()
{
ParseDocumentTest("@section s {<!-- > \" '-->}",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("s"),
Factory.CodeTransition(),
Factory.MetaCode("section s {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup("<!-- > \" '-->")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseSectionBlockCommentRecoversFromUnclosedTag()
{
ParseDocumentTest(
"@section s {" + Environment.NewLine + "<a" + Environment.NewLine + "<!-- > \" '-->}",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("s"),
Factory.CodeTransition(),
Factory.MetaCode("section s {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup(Environment.NewLine + "<a" + Environment.NewLine + "<!-- > \" '-->")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
[Fact]
public void ParseSectionBlockParsesXmlProcessingInstruction()
{
ParseDocumentTest(
"@section s { <? xml bleh ?>}",
new MarkupBlock(
Factory.EmptyHtml(),
new SectionBlock(new SectionCodeGenerator("s"),
Factory.CodeTransition(),
Factory.MetaCode("section s {")
.AutoCompleteWith(null, atEndOfSpan: true),
new MarkupBlock(
Factory.Markup(" <? xml bleh ?>")),
Factory.MetaCode("}").Accepts(AcceptedCharacters.None)),
Factory.EmptyHtml()));
}
}
}