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Внедрение пакета System.IO.Abstractions (#12)
* внедрение абстракций I/O для возможности unit-тестирования * remove unused * тесты * coverage * new version
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96
Interpreter.Tests/Unit/Infrastructure/LoggingEntitiesTests.cs
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using System.Collections.Generic; | ||
using System.IO.Abstractions; | ||
using System.Linq; | ||
using Interpreter.Lib.BackEnd.Instructions; | ||
using Interpreter.Lib.FrontEnd.GetTokens; | ||
using Interpreter.Lib.FrontEnd.GetTokens.Data; | ||
using Interpreter.Lib.FrontEnd.TopDownParse; | ||
using Interpreter.Lib.IR.Ast; | ||
using Interpreter.Services.Providers.Impl.LexerProvider; | ||
using Interpreter.Services.Providers.Impl.ParserProvider; | ||
using Moq; | ||
using Xunit; | ||
|
||
namespace Interpreter.Tests.Unit.Infrastructure | ||
{ | ||
public class LoggingEntitiesTests | ||
{ | ||
private readonly Mock<IFile> _file; | ||
private readonly Mock<IFileSystem> _fileSystem; | ||
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public LoggingEntitiesTests() | ||
{ | ||
_file = new Mock<IFile>(); | ||
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_fileSystem = new Mock<IFileSystem>(); | ||
_fileSystem.Setup(x => x.File) | ||
.Returns(_file.Object); | ||
} | ||
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[Fact] | ||
public void CorrectFileNameProducedByLexerTest() | ||
{ | ||
var lexer = new Mock<ILexer>(); | ||
lexer.Setup(x => x.GetTokens(It.IsAny<string>())) | ||
.Returns(new List<Token>()); | ||
lexer.Setup(x => x.ToString()) | ||
.Returns("lexer"); | ||
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_file.Setup(x => x.WriteAllText( | ||
It.IsAny<string>(), It.IsAny<string>() | ||
)).Verifiable(); | ||
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var loggingLexer = new LoggingLexer(lexer.Object, "file", _fileSystem.Object); | ||
loggingLexer.GetTokens(""); | ||
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_file.Verify(x => x.WriteAllText( | ||
It.Is<string>(p => p == "file.tokens"), It.Is<string>(c => c == "lexer") | ||
), Times.Once()); | ||
} | ||
|
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[Fact] | ||
public void CorrectTreeWrittenAndLoggingTreeProducedTest() | ||
{ | ||
var ast = new Mock<IAbstractSyntaxTree>(); | ||
ast.Setup(x => x.ToString()) | ||
.Returns("digraph ast { }"); | ||
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var parser = new Mock<IParser>(); | ||
parser.Setup(x => x.TopDownParse(It.IsAny<string>())) | ||
.Returns(ast.Object); | ||
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_file.Setup(x => x.WriteAllText( | ||
It.IsAny<string>(), It.IsAny<string>() | ||
)).Verifiable(); | ||
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var loggingParser = new LoggingParser(parser.Object, "file", _fileSystem.Object); | ||
var parsed = loggingParser.TopDownParse(""); | ||
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_file.Verify(x => x.WriteAllText( | ||
It.Is<string>(p => p == "ast.dot"), | ||
It.Is<string>(c => c == "digraph ast { }") | ||
), Times.Once()); | ||
Assert.IsType<LoggingAbstractSyntaxTree>(parsed); | ||
} | ||
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[Fact] | ||
public void CorrectFileNameProducedByTreeTest() | ||
{ | ||
var ast = new Mock<IAbstractSyntaxTree>(); | ||
ast.Setup(x => x.GetInstructions()) | ||
.Returns(new List<Instruction> { new Halt(0) }); | ||
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_file.Setup(x => x.WriteAllLines( | ||
It.IsAny<string>(), It.IsAny<IEnumerable<string>>() | ||
)).Verifiable(); | ||
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var loggingTree = new LoggingAbstractSyntaxTree(ast.Object, "file", _fileSystem.Object); | ||
loggingTree.GetInstructions(); | ||
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_file.Verify(x => x.WriteAllLines( | ||
It.Is<string>(p => p == "file.tac"), | ||
It.Is<IEnumerable<string>>(c => c.SequenceEqual(new[] { "0: End" })) | ||
), Times.Once()); | ||
} | ||
} | ||
} |
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