/// <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)
{
// start stopwatch
var stopwatch = new Stopwatch();
stopwatch.Start();
// Create output dir with gitignore
_fileSystem.Directory.CreateDirectory(options.OutputPath);
_fileSystem.File.Create(Path.Combine(options.OutputPath, ".gitignore")).Close();
using (var file = _fileSystem.File.CreateText(Path.Combine(options.OutputPath, ".gitignore")))
{
file.WriteLine("*");
}
// setup logging
ApplicationLogging.ConfigureLogger(options.LogOptions, initialLogMessages);
var logger = ApplicationLogging.LoggerFactory.CreateLogger <StrykerRunner>();
logger.LogDebug("Stryker started with options: {0}",
JsonConvert.SerializeObject(options, new StringEnumConverter()));
try
{
// initialize
if (_reporter == null)
{
_reporter = ReporterFactory.Create(options);
}
_initialisationProcess = _initialisationProcess ?? new InitialisationProcess();
_input = _initialisationProcess.Initialize(options);
_mutationTestProcess = _mutationTestProcess ?? new MutationTestProcess(
mutationTestInput: _input,
reporter: _reporter,
mutationTestExecutor: new MutationTestExecutor(_input.TestRunner),
options: options);
// initial test
_input.TimeoutMs = _initialisationProcess.InitialTest(options, out var nbTests);
// mutate
_mutationTestProcess.Mutate();
if (options.Optimizations.HasFlag(OptimizationFlags.SkipUncoveredMutants) || options.Optimizations.HasFlag(OptimizationFlags.CoverageBasedTest))
{
logger.LogInformation($"Capture mutant coverage using '{options.OptimizationMode}' mode.");
// coverage
_mutationTestProcess.GetCoverage();
}
// test mutations and return results
return(_mutationTestProcess.Test(options));
}
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);
}
}
public JsonReporterTests()
{
ApplicationLogging.ConfigureLogger(new LogOptions(Serilog.Events.LogEventLevel.Fatal, false, null));
ApplicationLogging.LoggerFactory.CreateLogger <JsonReporterTests>();
}