public void ShouldPrintEachReasonWithCount()
{
var target = new FilteredMutantsLogger(_loggerMock.Object);
var folder = new CsharpFolderComposite();
folder.Add(new CsharpFileLeaf()
{
Mutants = new Collection <Mutant>()
{
new Mutant()
{
ResultStatus = MutantStatus.Ignored, ResultStatusReason = "In excluded file"
},
new Mutant()
{
ResultStatus = MutantStatus.Ignored, ResultStatusReason = "In excluded file"
},
new Mutant()
{
ResultStatus = MutantStatus.Ignored, ResultStatusReason = "Mutator excluded"
},
new Mutant()
{
ResultStatus = MutantStatus.Ignored, ResultStatusReason = "Mutator excluded"
},
new Mutant()
{
ResultStatus = MutantStatus.Ignored, ResultStatusReason = "Mutator excluded"
},
new Mutant()
{
ResultStatus = MutantStatus.CompileError, ResultStatusReason = "CompileError"
},
new Mutant()
{
ResultStatus = MutantStatus.Ignored, ResultStatusReason = "In excluded file"
},
new Mutant()
{
ResultStatus = MutantStatus.NotRun
},
}
});
target.OnMutantsCreated(folder.ToReadOnlyInputComponent());
_loggerMock.Verify(LogLevel.Information, "1 mutants got status CompileError. Reason: CompileError", Times.Once);
_loggerMock.Verify(LogLevel.Information, "3 mutants got status Ignored. Reason: In excluded file", Times.Once);
_loggerMock.Verify(LogLevel.Information, "3 mutants got status Ignored. Reason: Mutator excluded", Times.Once);
_loggerMock.Verify(LogLevel.Information, "7 total mutants are skipped for the above mentioned reasons", Times.Once);
_loggerMock.Verify(LogLevel.Information, "1 total mutants will be tested", Times.Once);
_loggerMock.VerifyNoOtherCalls();
}
public void ShouldPrintNoMutations()
{
var target = new FilteredMutantsLogger(_loggerMock.Object);
var folder = new CsharpFolderComposite();
folder.Add(new CsharpFileLeaf()
{
Mutants = new Collection <Mutant>()
{
}
});
target.OnMutantsCreated(folder.ToReadOnlyInputComponent());
_loggerMock.Verify(LogLevel.Information, "0 total mutants will be tested", Times.Once);
_loggerMock.VerifyNoOtherCalls();
}
/// <summary>
/// Starts a mutation test run
/// </summary>
/// <exception cref="StrykerInputException">For managed exceptions</exception>
/// <param name="options">The user options</param>
/// <param name="initialLogMessages">
/// Allows to pass log messages that occured before the mutation test.
/// The messages will be written to the logger after it was configured.
/// </param>
public StrykerRunResult RunMutationTest(StrykerOptions options, IEnumerable <LogMessage> initialLogMessages = null)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
var reporters = _reporterFactory.Create(options);
SetupLogging(options, initialLogMessages);
try
{
_mutationTestProcesses = _projectOrchestrator.MutateProjects(options, reporters).ToList();
IFolderComposite rootComponent = new CsharpFolderComposite();
rootComponent.AddRange(_mutationTestProcesses.Select(x => x.Input.ProjectInfo.ProjectContents));
_logger.LogInformation("{0} mutants ready for test", rootComponent.Mutants.Count());
AnalyseCoverage(options);
var readOnlyInputComponent = rootComponent.ToReadOnlyInputComponent();
reporters.OnMutantsCreated(readOnlyInputComponent);
var allMutants = rootComponent.Mutants.ToList();
var mutantsNotRun = allMutants.Where(x => x.ResultStatus == MutantStatus.NotRun).ToList();
if (!mutantsNotRun.Any())
{
if (allMutants.Any(x => x.ResultStatus == MutantStatus.Ignored))
{
_logger.LogWarning("It looks like all mutants with tests were excluded. Try a re-run with less exclusion!");
}
if (allMutants.Any(x => x.ResultStatus == MutantStatus.NoCoverage))
{
_logger.LogWarning("It looks like all non-excluded mutants are not covered by a test. Go add some tests!");
}
if (!allMutants.Any())
{
_logger.LogWarning("It\'s a mutant-free world, nothing to test.");
}
return(new StrykerRunResult(options, double.NaN));
}
reporters.OnStartMutantTestRun(mutantsNotRun);
foreach (var project in _mutationTestProcesses)
{
// test mutations
project.Test(project.Input.ProjectInfo.ProjectContents.Mutants.Where(x => x.ResultStatus == MutantStatus.NotRun).ToList());
}
reporters.OnAllMutantsTested(readOnlyInputComponent);
return(new StrykerRunResult(options, readOnlyInputComponent.GetMutationScore()));
}
catch (Exception ex) when(!(ex is StrykerInputException))
{
_logger.LogError(ex, "An error occurred during the mutation test run ");
throw;
}
finally
{
// log duration
stopwatch.Stop();
_logger.LogInformation("Time Elapsed {0}", stopwatch.Elapsed);
}
}