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YamlGrammarTests.cs
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YamlGrammarTests.cs
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using Lexepars.TestFixtures;
using Lexepars.Grammars.Yaml.Entities;
using Shouldly;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Xunit;
namespace Lexepars.Grammars.Yaml
{
public class DocumentGrammarTests
{
static IEnumerable<Token> Tokenize(string input) => new YamlLexer().Tokenize(new StringReader(input));
static readonly DocumentGrammar Yaml = new DocumentGrammar();
[Fact]
public void ParsesEmptyFlowMapping()
{
DocumentTestCases.EmptyFlowMapping.TestParser();
}
[Fact]
public void ParsesEmptyFlowSequence()
{
DocumentTestCases.EmptyFlowSequence.TestParser();
}
[Fact]
public void ParsesTrueLexeme()
{
var tokens = Tokenize("true");
var doc = Yaml.Parses(tokens).ParsedValue;
doc.Directives.ShouldBeEmpty();
doc.Body.ShouldBe(YBoolean.True);
}
[Fact]
public void ParsesFalseLexeme()
{
var tokens = Tokenize("false").ToArray();
var doc = Yaml.Parses(tokens).ParsedValue;
doc.Directives.ShouldBeEmpty();
doc.Body.ShouldBe(YBoolean.False);
}
[Fact]
public void ParsesNullLexeme()
{
var tokens = Tokenize("null");
var doc = Yaml.Parses(tokens).ParsedValue;
doc.Directives.ShouldBeEmpty();
doc.Body.ShouldBe(YNull.Null);
}
[Fact]
public void ParsesNumbers()
{
var tokens = Tokenize("10.123E-11");
var doc = Yaml.Parses(tokens).ParsedValue;
doc.Directives.ShouldBeEmpty();
doc.Body.ShouldBe(new YNumber(10.123E-11m));
}
[Fact]
public void ParsesFlowSequences()
{
var filled = Tokenize("[0, 1, .2]");
var doc = Yaml.Parses(filled).ParsedValue;
doc.Directives.ShouldBeEmpty();
var sequence = doc.Body.ShouldBeOfType<YSequence>();
sequence.ShouldBe(new[] { new YNumber(0m), new YNumber(1m), new YNumber(.2m) });
}
[Fact]
public void ParsesFlowMapping()
{
var empty = Tokenize("{}");
Yaml.Parses(empty).WithValue(doc =>
{
doc.Directives.ShouldBeEmpty();
doc.Body.ShouldBeOfType<YMapping>().ShouldBeEmpty();
});
var filled = "{\"zero\" \n : \n 0, \"one\" \n \n\n: 1, \"two\" \n\n : 2}";
Yaml.Parses(Tokenize(filled)).WithValue(doc =>
{
doc.Directives.ShouldBeEmpty();
var mapping = doc.Body.ShouldBeOfType<YMapping>();
mapping["zero"].ShouldBe(new YNumber(0m));
mapping["one"].ShouldBe(new YNumber(1m));
mapping["two"].ShouldBe(new YNumber(2m));
});
}
[Fact]
public void ParsesBlockSequenceL11L11L11()
{
DocumentTestCases.BlockSequenceL11L11L11.TestParser();
}
[Fact]
public void ParsesUnquotedString()
{
DocumentTestCases.UnquotedString.TestParser();
}
[Fact]
public void ParsesSpaceInterspercedFlowMapping()
{
DocumentTestCases.SpaceInterspercedFlowMapping.TestParser();
}
[Fact]
public void ParsesHadlesSpaceInterspercedFlowSequencOfFlowMappings()
{
DocumentTestCases.SpaceInterspercedFlowSequencOfFlowMappings.TestParser();
}
[Fact]
public void ParsesComplexFlow()
{
DocumentTestCases.ComplexFlow.TestParser();
}
[Fact]
public void ParsesBlockSequenceL12L21()
{
DocumentTestCases.BlockSequenceL12L21.TestLexer();
}
[Fact]
public void ParsesBlockMappingSequenceL11()
{
DocumentTestCases.BlockMappingSequenceL11.TestParser();
}
[Fact]
public void ParsesBlockLiteralScalarKeep()
{
DocumentTestCases.BlockLiteralScalarKeep.TestParser();
}
[Fact]
public void ParsesBlockLiteralScalarClip()
{
DocumentTestCases.BlockLiteralScalarClip.TestParser();
}
[Fact]
public void ParsesBlockLiteralScalarStrip()
{
DocumentTestCases.BlockLiteralScalarStrip.TestParser();
}
[Fact]
public void ParsesBlockFoldedScalarKeep()
{
DocumentTestCases.BlockFoldedScalarKeep.TestParser();
}
[Fact]
public void ParsesBlockFoldedScalarClip()
{
DocumentTestCases.BlockFoldedScalarClip.TestParser();
}
[Fact]
public void ParsesBlockFoldedScalarStrip()
{
DocumentTestCases.BlockFoldedScalarStrip.TestParser();
}
[Fact]
public void ParsesBlockMappingInline()
{
DocumentTestCases.BlockMappingInline.TestParser();
}
[Fact]
public void ParsesBlockMappingInlineAnchored()
{
DocumentTestCases.BlockMappingInlineAnchored.TestParser();
}
[Fact]
public void ParsesBlockMappingInlineAnchoredWithAlias()
{
DocumentTestCases.BlockMappingInlineAnchoredWithAlias.TestParser();
}
[Fact]
public void ParsesDirectivesDocument()
{
DocumentTestCases.DirectivesDocument.TestParser();
}
[Fact]
public void ParsesDirectivesDocumentNoEndMarker()
{
DocumentTestCases.DirectivesDocumentNoEndMarker.TestParser();
}
[Fact]
public void ParsesExplicitDocument()
{
DocumentTestCases.ExplicitDocument.TestParser();
}
[Fact]
public void ParsesExplicitDocumentNoEndMarker()
{
DocumentTestCases.ExplicitDocumentNoEndMarker.TestParser();
}
[Fact]
public void ParsesBareDocumentWithEndMarker()
{
DocumentTestCases.BareDocumentWithEndMarker.TestParser();
}
}
}