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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.Parser;
using System.Web.Razor.Parser.SyntaxTree;
using System.Web.Razor.Resources;
using System.Web.Razor.Test.Framework;
using System.Web.Razor.Text;
using Xunit;
using Xunit.Extensions;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Web.Razor.Test.Parser.VB
{
public class VBBlockTest : VBHtmlCodeParserTestBase
{
[Fact]
public void ParseBlockMethodThrowsArgNullExceptionOnNullContext()
{
// Arrange
VBCodeParser parser = new VBCodeParser();
// Act and Assert
Assert.Throws<InvalidOperationException>(() => parser.ParseBlock(), RazorResources.Parser_Context_Not_Set);
}
[Fact]
public void ParseBlockAcceptsImplicitExpression()
{
ParseBlockTest(@"If True Then
@foo
End If",
new StatementBlock(
Factory.Code("If True Then\r\n ").AsStatement(),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("foo")
.AsImplicitExpression(VBCodeParser.DefaultKeywords, acceptTrailingDot: true)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.Code("\r\nEnd If")
.AsStatement()
.Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockAcceptsIfStatementWithinCodeBlockIfInDesignTimeMode()
{
ParseBlockTest(@"If True Then
@If True Then
End If
End If",
new StatementBlock(
Factory.Code("If True Then\r\n ").AsStatement(),
new StatementBlock(
Factory.CodeTransition(),
Factory.Code("If True Then\r\n End If\r\n")
.AsStatement()
.Accepts(AcceptedCharacters.None)),
Factory.Code(@"End If")
.AsStatement()
.Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockSupportsSpacesInStrings()
{
ParseBlockTest(@"for each p in db.Query(""SELECT * FROM PRODUCTS"")
@<p>@p.Name</p>
next",
new StatementBlock(
Factory.Code("for each p in db.Query(\"SELECT * FROM PRODUCTS\")\r\n")
.AsStatement(),
new MarkupBlock(
Factory.Markup(" "),
Factory.MarkupTransition(),
Factory.Markup("<p>"),
new ExpressionBlock(
Factory.CodeTransition(),
Factory.Code("p.Name")
.AsImplicitExpression(VBCodeParser.DefaultKeywords)
.Accepts(AcceptedCharacters.NonWhiteSpace)),
Factory.Markup("</p>\r\n").Accepts(AcceptedCharacters.None)),
Factory.Code("next")
.AsStatement()
.Accepts(AcceptedCharacters.WhiteSpace | AcceptedCharacters.NonWhiteSpace)));
}
[Fact]
public void ParseBlockSupportsSimpleCodeBlock()
{
ParseBlockTest(@"Code
If foo IsNot Nothing
Bar(foo)
End If
End Code",
new StatementBlock(
Factory.MetaCode("Code").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n If foo IsNot Nothing\r\n Bar(foo)\r\n End If\r\n")
.AsStatement(),
Factory.MetaCode("End Code").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockRejectsNewlineBetweenEndAndCodeIfNotPrefixedWithUnderscore()
{
ParseBlockTest(@"Code
If foo IsNot Nothing
Bar(foo)
End If
End
Code",
new StatementBlock(
Factory.MetaCode("Code").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n If foo IsNot Nothing\r\n Bar(foo)\r\n End If\r\nEnd\r\nCode")
.AsStatement()),
new RazorError(
String.Format(RazorResources.ParseError_BlockNotTerminated, "Code", "End Code"),
SourceLocation.Zero));
}
[Fact]
public void ParseBlockAcceptsNewlineBetweenEndAndCodeIfPrefixedWithUnderscore()
{
ParseBlockTest(@"Code
If foo IsNot Nothing
Bar(foo)
End If
End _
_
_
Code",
new StatementBlock(
Factory.MetaCode("Code").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n If foo IsNot Nothing\r\n Bar(foo)\r\n End If\r\n")
.AsStatement(),
Factory.MetaCode("End _\r\n_\r\n _\r\nCode").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockSupportsSimpleFunctionsBlock()
{
ParseBlockTest(@"Functions
Public Sub Foo()
Bar()
End Sub
Private Function Bar() As Object
Return Nothing
End Function
End Functions",
new FunctionsBlock(
Factory.MetaCode("Functions").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n Public Sub Foo()\r\n Bar()\r\n End Sub\r\n\r\n Private Function Bar() As Object\r\n Return Nothing\r\n End Function\r\n")
.AsFunctionsBody(),
Factory.MetaCode("End Functions").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockRejectsNewlineBetweenEndAndFunctionsIfNotPrefixedWithUnderscore()
{
ParseBlockTest(@"Functions
If foo IsNot Nothing
Bar(foo)
End If
End
Functions",
new FunctionsBlock(
Factory.MetaCode("Functions").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n If foo IsNot Nothing\r\n Bar(foo)\r\n End If\r\nEnd\r\nFunctions")
.AsFunctionsBody()),
new RazorError(
String.Format(RazorResources.ParseError_BlockNotTerminated, "Functions", "End Functions"),
SourceLocation.Zero));
}
[Fact]
public void ParseBlockAcceptsNewlineBetweenEndAndFunctionsIfPrefixedWithUnderscore()
{
ParseBlockTest(@"Functions
If foo IsNot Nothing
Bar(foo)
End If
End _
_
_
Functions",
new FunctionsBlock(
Factory.MetaCode("Functions").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n If foo IsNot Nothing\r\n Bar(foo)\r\n End If\r\n")
.AsFunctionsBody(),
Factory.MetaCode("End _\r\n_\r\n _\r\nFunctions").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockCorrectlyHandlesExtraEndsInEndCode()
{
ParseBlockTest(@"Code
Bar End
End Code",
new StatementBlock(
Factory.MetaCode("Code").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n Bar End\r\n").AsStatement(),
Factory.MetaCode("End Code").Accepts(AcceptedCharacters.None)));
}
[Fact]
public void ParseBlockCorrectlyHandlesExtraEndsInEndFunctions()
{
ParseBlockTest(@"Functions
Bar End
End Functions",
new FunctionsBlock(
Factory.MetaCode("Functions").Accepts(AcceptedCharacters.None),
Factory.Code("\r\n Bar End\r\n").AsFunctionsBody().AutoCompleteWith(null, atEndOfSpan: false),
Factory.MetaCode("End Functions").Accepts(AcceptedCharacters.None)));
}
[Theory]
[InlineData("If", "End", "If")]
[InlineData("Try", "End", "Try")]
[InlineData("While", "End", "While")]
[InlineData("Using", "End", "Using")]
[InlineData("With", "End", "With")]
public void KeywordAllowsNewlinesIfPrefixedByUnderscore(string startKeyword, string endKeyword1, string endKeyword2)
{
string code = startKeyword + @"
' In the block
" + endKeyword1 + @" _
_
_
_
_
_
" + endKeyword2 + @"
";
ParseBlockTest(code + "foo bar baz",
new StatementBlock(
Factory.Code(code)
.AsStatement()
.Accepts(AcceptedCharacters.None)));
}
[Theory]
[InlineData("While", "EndWhile", "End While")]
[InlineData("If", "EndIf", "End If")]
[InlineData("Select", "EndSelect", "End Select")]
[InlineData("Try", "EndTry", "End Try")]
[InlineData("With", "EndWith", "End With")]
[InlineData("Using", "EndUsing", "End Using")]
public void EndTerminatedKeywordRequiresSpaceBetweenEndAndKeyword(string startKeyword, string wrongEndKeyword, string endKeyword)
{
string code = startKeyword + @"
' This should not end the code
" + wrongEndKeyword + @"
' But this should
" + endKeyword;
ParseBlockTest(code,
new StatementBlock(
Factory.Code(code)
.AsStatement()
.Accepts(AcceptedCharacters.None)));
}
[Theory]
[InlineData("While", "End While", false)]
[InlineData("Do", "Loop", true)]
[InlineData("If", "End If", false)]
[InlineData("Select", "End Select", false)]
[InlineData("For", "Next", true)]
[InlineData("Try", "End Try", false)]
[InlineData("With", "End With", false)]
[InlineData("Using", "End Using", false)]
public void EndSequenceInString(string keyword, string endSequence, bool acceptToEndOfLine)
{
string code = keyword + @"
""" + endSequence + @"""
" + endSequence + (acceptToEndOfLine ? @" foo bar baz" : "") + @"
";
ParseBlockTest(code + "biz boz",
new StatementBlock(
Factory.Code(code).AsStatement().Accepts(GetAcceptedCharacters(acceptToEndOfLine))));
}
[Theory]
[InlineData("While", "End While", false)]
[InlineData("Do", "Loop", true)]
[InlineData("If", "End If", false)]
[InlineData("Select", "End Select", false)]
[InlineData("For", "Next", true)]
[InlineData("Try", "End Try", false)]
[InlineData("With", "End With", false)]
[InlineData("Using", "End Using", false)]
private void CommentedEndSequence(string keyword, string endSequence, bool acceptToEndOfLine)
{
string code = keyword + @"
'" + endSequence + @"
" + endSequence + (acceptToEndOfLine ? @" foo bar baz" : "") + @"
";
ParseBlockTest(code + "biz boz",
new StatementBlock(
Factory.Code(code).AsStatement().Accepts(GetAcceptedCharacters(acceptToEndOfLine))));
}
[Theory]
[InlineData("While", "End While", false)]
[InlineData("Do", "Loop", true)]
[InlineData("If", "End If", false)]
[InlineData("Select", "End Select", false)]
[InlineData("For", "Next", true)]
[InlineData("Try", "End Try", false)]
[InlineData("With", "End With", false)]
[InlineData("SyncLock", "End SyncLock", false)]
[InlineData("Using", "End Using", false)]
private void NestedKeywordBlock(string keyword, string endSequence, bool acceptToEndOfLine)
{
string code = keyword + @"
" + keyword + @"
Bar(foo)
" + endSequence + @"
" + endSequence + (acceptToEndOfLine ? @" foo bar baz" : "") + @"
";
ParseBlockTest(code + "biz boz",
new StatementBlock(
Factory.Code(code).AsStatement().Accepts(GetAcceptedCharacters(acceptToEndOfLine))));
}
[Theory]
[InlineData("While True", "End While", false)]
[InlineData("Do", "Loop", true)]
[InlineData("If foo IsNot Nothing", "End If", false)]
[InlineData("Select Case foo", "End Select", false)]
[InlineData("For Each p in Products", "Next", true)]
[InlineData("Try", "End Try", false)]
[InlineData("With", "End With", false)]
[InlineData("SyncLock", "End SyncLock", false)]
[InlineData("Using", "End Using", false)]
private void SimpleKeywordBlock(string keyword, string endSequence, bool acceptToEndOfLine)
{
string code = keyword + @"
Bar(foo)
" + endSequence + (acceptToEndOfLine ? @" foo bar baz" : "") + @"
";
ParseBlockTest(code + "biz boz",
new StatementBlock(
Factory.Code(code).AsStatement().Accepts(GetAcceptedCharacters(acceptToEndOfLine))));
}
[Theory]
[InlineData("While True", "Exit While", "End While", false)]
[InlineData("Do", "Exit Do", "Loop", true)]
[InlineData("For Each p in Products", "Exit For", "Next", true)]
[InlineData("While True", "Continue While", "End While", false)]
[InlineData("Do", "Continue Do", "Loop", true)]
[InlineData("For Each p in Products", "Continue For", "Next", true)]
private void KeywordWithExitOrContinue(string startKeyword, string exitKeyword, string endKeyword, bool acceptToEndOfLine)
{
string code = startKeyword + @"
' This is before the exit
" + exitKeyword + @"
' This is after the exit
" + endKeyword + @"
";
ParseBlockTest(code + "foo bar baz",
new StatementBlock(
Factory.Code(code).AsStatement().Accepts(GetAcceptedCharacters(acceptToEndOfLine))));
}
private AcceptedCharacters GetAcceptedCharacters(bool acceptToEndOfLine)
{
return acceptToEndOfLine ?
AcceptedCharacters.WhiteSpace | AcceptedCharacters.NonWhiteSpace :
AcceptedCharacters.None;
}
}
}
|
