public void InitialisationProcess_ShouldCallNeededResolvers()
{
var testRunnerMock = new Mock <ITestRunner>(MockBehavior.Strict);
var inputFileResolverMock = new Mock <IInputFileResolver>(MockBehavior.Strict);
var initialBuildProcessMock = new Mock <IInitialBuildProcess>(MockBehavior.Strict);
var initialTestProcessMock = new Mock <IInitialTestProcess>(MockBehavior.Strict);
var assemblyReferenceResolverMock = new Mock <IAssemblyReferenceResolver>(MockBehavior.Strict);
testRunnerMock.Setup(x => x.RunAll(It.IsAny <int>(), null, null))
.Returns(new TestRunResult(true)); // testrun is successful
testRunnerMock.Setup(x => x.DiscoverNumberOfTests()).Returns(999);
testRunnerMock.Setup(x => x.Dispose());
var projectContents = new FolderComposite();
projectContents.Add(new FileLeaf
{
Name = "SomeFile.cs"
});
var folder = new FolderComposite
{
Name = "ProjectRoot"
};
folder.AddRange(new Collection <IProjectComponent>
{
new FileLeaf
{
Name = "SomeFile.cs"
}
});
inputFileResolverMock.Setup(x => x.ResolveInput(It.IsAny <IStrykerOptions>()))
.Returns(new ProjectInfo
{
ProjectUnderTestAnalyzerResult = TestHelper.SetupProjectAnalyzerResult(
references: new string[0]).Object,
TestProjectAnalyzerResults = new List <IAnalyzerResult> {
TestHelper.SetupProjectAnalyzerResult(
projectFilePath: "C://Example/Dir/ProjectFolder").Object
},
ProjectContents = folder
});
initialTestProcessMock.Setup(x => x.InitialTest(It.IsAny <ITestRunner>())).Returns(999);
initialBuildProcessMock.Setup(x => x.InitialBuild(It.IsAny <bool>(), It.IsAny <string>(), It.IsAny <string>()));
assemblyReferenceResolverMock.Setup(x => x.LoadProjectReferences(It.IsAny <string[]>()))
.Returns(Enumerable.Empty <PortableExecutableReference>());
var target = new InitialisationProcess(
inputFileResolverMock.Object,
initialBuildProcessMock.Object,
initialTestProcessMock.Object,
testRunnerMock.Object,
assemblyReferenceResolverMock.Object);
var options = new StrykerOptions();
var result = target.Initialize(options);
inputFileResolverMock.Verify(x => x.ResolveInput(It.IsAny <IStrykerOptions>()), Times.Once);
}
/// <summary>
/// In the case of multiple projects we wrap them inside a wrapper root component. Otherwise the only project root will be the root component.
/// </summary>
/// <param name="projectComponents">A list of all project root components</param>
/// <param name="options">The current stryker options</param>
/// <returns>The root folder component</returns>
private IProjectComponent AddRootFolderIfMultiProject(IEnumerable <IProjectComponent> projectComponents, StrykerOptions options)
{
if (projectComponents.Count() > 1)
{
var rootComponent = new FolderComposite
{
FullPath = options.BasePath // in case of a solution run the basepath will be where the solution file is
};
rootComponent.AddRange(projectComponents);
return(rootComponent);
}
else
{
return(projectComponents.FirstOrDefault());
}
}
/// <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();
IParentComponent rootComponent = new FolderComposite();
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);
}
}