public void TranslateServiceExceptionTranslatesAmqpExceptions()
{
var eventHub = "someHub";
var exception = new AmqpException(new Error {
Condition = AmqpError.ServerBusyError
});
var translated = exception.TranslateServiceException(eventHub);
Assert.That(translated, Is.Not.Null, "An exception should have been returned.");
var eventHubsException = translated as EventHubsException;
Assert.That(eventHubsException, Is.Not.Null, "The exception type should be appropriate for the `Server Busy` scenario.");
Assert.That(eventHubsException.Reason, Is.EqualTo(EventHubsException.FailureReason.ServiceBusy), "The exception reason should indicate `Server Busy`.");
Assert.That(eventHubsException.EventHubName, Is.EqualTo(eventHub), "The Event Hub name should match.");
Assert.That(eventHubsException.InnerException, Is.EqualTo(exception), "The original exception should have been embedded.");
}
public async Task ReceiveAsyncDetectsAndCapturesAStolenPartition()
{
var eventHub = "fake-hub";
var terminalException = new AmqpException(AmqpErrorCode.Stolen, "This is a terminal exception message.");
var expectedException = terminalException.TranslateServiceException(eventHub);
var capturedException = default(Exception);
var mockConsumer = new MockAmqpConsumer(eventHub, true, terminalException);
mockConsumer.MockConnectionScope
.Setup(scope => scope.OpenConsumerLinkAsync(
It.IsAny <string>(),
It.IsAny <string>(),
It.IsAny <EventPosition>(),
It.IsAny <TimeSpan>(),
It.IsAny <TimeSpan>(),
It.IsAny <uint>(),
It.IsAny <long?>(),
It.IsAny <long?>(),
It.IsAny <bool>(),
It.IsAny <string>(),
It.IsAny <CancellationToken>()))
.Throws(terminalException);
try
{
await mockConsumer.ReceiveAsync(10, TimeSpan.FromSeconds(1), CancellationToken.None);
}
catch (Exception ex)
{
capturedException = ex;
}
Assert.That(capturedException, Is.Not.Null, "An exception should have been surfaced.");
Assert.That(capturedException.GetType(), Is.EqualTo(expectedException.GetType()), "The captured exception was not of the expected type.");
Assert.That(capturedException.Message, Is.EqualTo(expectedException.Message), "The mocked terminal exception should have been surfaced.");
var preservedException = GetActivePartitionStolenException(mockConsumer);
Assert.That(preservedException, Is.SameAs(terminalException), "The preserved exception should match the terminal exception.");
}
public async Task ReceiveAsyncSurfacesStolenPartitionWhenInvalidated()
{
var eventHub = "fake-hub";
var terminalException = new AmqpException(AmqpErrorCode.Stolen, "This is a terminal exception message.");
var expectedException = terminalException.TranslateServiceException(eventHub);
var capturedException = default(Exception);
var mockConsumer = new MockAmqpConsumer(eventHub, true, terminalException);
SetActivePartitionStolenException(mockConsumer, terminalException);
try
{
await mockConsumer.ReceiveAsync(10, TimeSpan.FromSeconds(1), CancellationToken.None);
}
catch (Exception ex)
{
capturedException = ex;
}
Assert.That(capturedException, Is.Not.Null, "An exception should have been surfaced.");
Assert.That(capturedException.GetType(), Is.EqualTo(expectedException.GetType()), "The captured exception was not of the expected type.");
Assert.That(capturedException.Message, Is.EqualTo(expectedException.Message), "The mocked terminal exception should have been surfaced.");
// Because the terminal exception was injected, it should not attempt to open the actual link.
mockConsumer.MockConnectionScope
.Verify(scope => scope.OpenConsumerLinkAsync(
It.IsAny <string>(),
It.IsAny <string>(),
It.IsAny <EventPosition>(),
It.IsAny <TimeSpan>(),
It.IsAny <TimeSpan>(),
It.IsAny <uint>(),
It.IsAny <long?>(),
It.IsAny <long?>(),
It.IsAny <bool>(),
It.IsAny <string>(),
It.IsAny <CancellationToken>()),
Times.Never);
}
