public async Task InvokeAsync_WhenFallbackFails_ReleasesSemaphore()
{
var mockSemaphore = new Mock <IIsolationSemaphore>();
mockSemaphore.Setup(m => m.TryEnter()).Returns(true);
var exception = new ExpectedTestException("Expected");
var command = new FaultingTaskWithEchoThrowingFallbackCommand(exception)
{
FallbackSemaphore = mockSemaphore.Object,
};
try
{
await command.InvokeAsync();
}
catch (ExpectedTestException e)
{
Assert.Equal(exception, e);
mockSemaphore.Verify(m => m.Release(), Times.Once);
return; // Expected.
}
AssertX.FailExpectedException();
}
public async Task InvokeAsync_TaskFaultsAndFallbackThrowsNonInstigator()
{
var expected = new ExpectedTestException("foo");
var mockStats = new Mock <IStats>();
var command = new FaultingTaskWithEchoThrowingFallbackCommand(expected)
{
Stats = mockStats.Object,
};
try
{
await command.InvokeAsync();
}
catch (ExpectedTestException e)
{
if (e != expected)
{
throw;
}
mockStats.Verify(m => m.Elapsed("mjolnir command test.FaultingTaskWithEchoThrowingFallback fallback", "Failure", It.IsAny <TimeSpan>()), Times.Once);
return; // Expected.
}
AssertX.FailExpectedException();
}
public async Task InvokeAsync_TaskFaultsAndFallbackThrows_RethrowsFallbackException()
{
var expected = new ExpectedTestException("Expected rethrown exception");
var command = new FaultingTaskWithEchoThrowingFallbackCommand(expected);
try
{
await command.InvokeAsync();
}
catch (ExpectedTestException e)
{
Assert.Equal(expected, e);
return;
}
AssertX.FailExpectedException();
}
