public void GetMutantSource_Gets_Partial_Line()
{
// Arrange
var path = $"TestResources{Path.DirectorySeparatorChar}ExampleSourceFile.cs";
var file = new FileInfo(path);
var source = File.ReadAllText(file.FullName);
var jsonMutant = new JsonMutant
{
Location = new JsonMutantLocation(new JsonMutantPosition
{
Column = 30,
Line = 34
},
new JsonMutantPosition
{
Column = 34,
Line = 34
}),
};
var target = new BaselineMutantHelper();
// Act
var result = target.GetMutantSourceCode(source, jsonMutant);
// Assert
result.ShouldBe("\"\\n\"");
}
public void GetMutantSourceShouldReturnMutantSource_When_Multiple_Lines()
{
// Arrange
var path = $"TestResources{Path.DirectorySeparatorChar}ExampleSourceFile.cs";
var file = new FileInfo(path);
var source = File.ReadAllText(file.FullName);
var jsonMutant = new JsonMutant
{
Location = new JsonMutantLocation(new JsonMutantPosition
{
Column = 13,
Line = 24
},
new JsonMutantPosition
{
Column = 38,
Line = 26
}),
};
var target = new BaselineMutantHelper();
// Act
var result = target.GetMutantSourceCode(source, jsonMutant);
// Assert
result.ShouldBe(@"return @""Lorem Ipsum
Dolor Sit Amet
Lorem Dolor Sit"";");
}
public void GetMutantSourceShouldReturnMutantSource()
{
// Arrange
var path = $"TestResources{Path.DirectorySeparatorChar}ExampleSourceFile.cs";
var file = new FileInfo(path);
var source = File.ReadAllText(file.FullName);
var jsonMutant = new JsonMutant
{
Location = new JsonMutantLocation(new JsonMutantPosition
{
Column = 17,
Line = 17
},
new JsonMutantPosition
{
Column = 62,
Line = 17
}),
};
var target = new BaselineMutantHelper();
// Act
var result = target.GetMutantSourceCode(source, jsonMutant);
// Assert
result.ShouldBe("return Fibonacci(b, a + b, counter + 1, len);");
}
public string GetMutantSourceCode(string source, JsonMutant baselineMutant)
{
SyntaxTree tree = CSharpSyntaxTree.ParseText(source);
var beginLinePosition = new LinePosition(baselineMutant.Location.Start.Line - 1, baselineMutant.Location.Start.Column - 1);
var endLinePosition = new LinePosition(baselineMutant.Location.End.Line - 1, baselineMutant.Location.End.Column - 1);
var span = new LinePositionSpan(beginLinePosition, endLinePosition);
var textSpan = tree.GetText().Lines.GetTextSpan(span);
var originalNode = tree.GetRoot().DescendantNodes(textSpan).FirstOrDefault(n => textSpan.Equals(n.Span));
return(originalNode?.ToString());
}
public void GetMutantSourceShouldReturnMutantSource_When_Multiple_Lines()
{
// Arrange
var path = $"TestResources{Path.DirectorySeparatorChar}ExampleSourceFile.cs";
var file = new FileInfo(path);
var source = File.ReadAllText(file.FullName);
var diffProviderMock = new Mock <IDiffProvider>(MockBehavior.Loose);
var gitInfoProvider = new Mock <IGitInfoProvider>(MockBehavior.Loose);
var baselineProvider = new Mock <IBaselineProvider>(MockBehavior.Loose);
var jsonMutant = new JsonMutant
{
Location = new JsonMutantLocation(new JsonMutantPosition
{
Column = 13,
Line = 24
},
new JsonMutantPosition
{
Column = 38,
Line = 26
}),
};
var target = new DiffMutantFilter(new StrykerOptions(diff: false), diffProviderMock.Object, baselineProvider.Object, gitInfoProvider.Object);
// Act
var result = target.GetMutantSourceCode(source, jsonMutant);
// Assert
result.ShouldBe(@"return @""Lorem Ipsum
Dolor Sit Amet
Lorem Dolor Sit"";");
}
public void GetMutantSourceShouldReturnMutantSource()
{
// Arrange
var path = $"TestResources{Path.DirectorySeparatorChar}ExampleSourceFile.cs";
var file = new FileInfo(path);
var source = File.ReadAllText(file.FullName);
var diffProviderMock = new Mock <IDiffProvider>(MockBehavior.Loose);
var gitInfoProvider = new Mock <IGitInfoProvider>(MockBehavior.Loose);
var baselineProvider = new Mock <IBaselineProvider>(MockBehavior.Loose);
var jsonMutant = new JsonMutant
{
Location = new JsonMutantLocation(new JsonMutantPosition
{
Column = 17,
Line = 17
},
new JsonMutantPosition
{
Column = 62,
Line = 17
}),
};
var target = new DiffMutantFilter(new StrykerOptions(diff: false), diffProviderMock.Object, baselineProvider.Object, gitInfoProvider.Object);
// Act
var result = target.GetMutantSourceCode(source, jsonMutant);
// Assert
result.ShouldBe("return Fibonacci(b, a + b, counter + 1, len);");
}
public IEnumerable <Mutant> GetMutantMatchingSourceCode(IEnumerable <Mutant> mutants, JsonMutant baselineMutant, string baselineMutantSourceCode)
{
return(mutants.Where(x =>
x.Mutation.OriginalNode.ToString() == baselineMutantSourceCode &&
x.Mutation.DisplayName == baselineMutant.MutatorName));
}
private void UpdateMutantStatusWithBaseline(JsonMutant baselineMutant, Mutant matchingMutants)
{
matchingMutants.ResultStatus = (MutantStatus)Enum.Parse(typeof(MutantStatus), baselineMutant.Status);
matchingMutants.ResultStatusReason = "Result based on previous run.";
}
public static JsonReportComponent FromProjectComponent(IReadOnlyInputComponent component, ThresholdOptions thresholdOptions)
{
var report = new JsonReportComponent
{
Name = component.Name,
DetectedMutants = component.DetectedMutants.Count(),
TotalMutants = component.TotalMutants.Count(),
KilledMutants = component.ReadOnlyMutants.Where(m => m.ResultStatus == MutantStatus.Killed).Count(),
SurvivedMutants = component.ReadOnlyMutants.Where(m => m.ResultStatus == MutantStatus.Survived).Count(),
SkippedMutants = component.ReadOnlyMutants.Where(m => m.ResultStatus == MutantStatus.Skipped).Count(),
TimeoutMutants = component.ReadOnlyMutants.Where(m => m.ResultStatus == MutantStatus.Timeout).Count(),
CompileErrors = component.ReadOnlyMutants.Where(m => m.ResultStatus == MutantStatus.BuildError).Count(),
MutationScore = component.GetMutationScore(),
ThresholdHigh = thresholdOptions.ThresholdHigh,
ThresholdLow = thresholdOptions.ThresholdLow,
ThresholdBreak = thresholdOptions.ThresholdBreak,
};
report.PossibleMutants = report.TotalMutants + report.SkippedMutants;
if (report.MutationScore >= report.ThresholdHigh)
{
report.Health = "ok";
}
else if (report.MutationScore <= report.ThresholdBreak)
{
report.Health = "danger";
}
else
{
report.Health = "warning";
}
if (component is FolderComposite folderComponent)
{
foreach (var child in folderComponent.Children)
{
report.ChildResults.Add(FromProjectComponent(child, thresholdOptions));
}
}
else if (component is FileLeaf fileComponent)
{
report.Source = fileComponent.SourceCode;
foreach (var mutant in fileComponent.Mutants)
{
var jsonMutant = new JsonMutant
{
Id = mutant.Id,
MutatorName = mutant.Mutation.DisplayName,
Replacement = mutant.Mutation.ReplacementNode.ToFullString(),
Span = new[] { mutant.Mutation.OriginalNode.SpanStart, mutant.Mutation.OriginalNode.Span.End },
Status = StrykerStatusToMutationStatus(mutant.ResultStatus)
};
report.Mutants.Add(jsonMutant);
}
}
else
{
throw new System.Exception("Unknown IReadOnlyInputComponent implementation");
}
return(report);
}