public void WhenGivenNullShouldGetDefault()
{
var validatedInput = new ConcurrencyInput().Validate(_loggerMock.Object);
var safeProcessorCount = Math.Max(Environment.ProcessorCount / 2, 1);
validatedInput.ShouldBe(safeProcessorCount);
_loggerMock.VerifyNoOtherCalls();
}
public void WhenGiven1ShouldPrintWarning()
{
var validatedInput = new ConcurrencyInput {
SuppliedInput = 1
}.Validate(_loggerMock.Object);
validatedInput.ShouldBe(1);
_loggerMock.Verify(LogLevel.Information, "Stryker will use a max of 1 parallel testsessions.", Times.Once);
_loggerMock.Verify(LogLevel.Warning, "Stryker is running in single threaded mode due to concurrency being set to 1.", Times.Once);
_loggerMock.VerifyNoOtherCalls();
}
public void WhenGivenValueIsPassedAsMaxConcurrentTestRunnersParam_ExpectedValueShouldBeSet_ExpectedMessageShouldBeLogged(int concurrentTestRunners, LogLevel expectedLoglevel)
{
var validatedInput = new ConcurrencyInput {
SuppliedInput = concurrentTestRunners
}.Validate(_loggerMock.Object);
validatedInput.ShouldBe(concurrentTestRunners);
var safeProcessorCount = Math.Max(Environment.ProcessorCount / 2, 1);
var formattedMessage = string.Format("Stryker will use a max of {0} parallel testsessions.", concurrentTestRunners);
_loggerMock.Verify(LogLevel.Information, formattedMessage, Times.Once);
if (concurrentTestRunners > safeProcessorCount)
{
formattedMessage = string.Format("Using a concurrency of {0} which is more than recommended {1} for normal system operation. This might have an impact on performance.", concurrentTestRunners, safeProcessorCount);
_loggerMock.Verify(expectedLoglevel, formattedMessage, Times.Once);
}
_loggerMock.VerifyNoOtherCalls();
}
