/// <summary>
/// Executes the initial testrun using the given testrunner
/// </summary>
/// <param name="testRunner"></param>
/// <returns>The duration of the initial testrun</returns>
public int InitialTest(ITestRunner testRunner)
{
var message = testRunner.DiscoverNumberOfTests() is var total && total == -1 ? "Unable to detect" : $"{total}";
TotalNumberOfTests = total;
_logger.LogInformation("Total number of tests found: {0}", message);
_logger.LogInformation("Initial testrun started");
// Setup a stopwatch to record the initial test duration
var stopwatch = new Stopwatch();
stopwatch.Start();
var testResult = testRunner.RunAll(null, null, null);
// Stop stopwatch immediately after testrun
stopwatch.Stop();
_logger.LogDebug("Initial testrun output: {0}", testResult.ResultMessage);
if (testResult.FailingTests.Count > 0)
{
_logger.LogWarning("Initial test run failed. Mutation score cannot be computed.");
throw new StrykerInputException("Initial testrun was not successful.", testResult.ResultMessage);
}
return((int)stopwatch.ElapsedMilliseconds);
}