public void WorkerLoopWhenSingleMessage()
{
// arrange
var message = new Message("IncomingRoute", "test");
var serializedMessage = new SerializedMessage("OutcomingRoute", new byte[4]);
SerializedMessage?messageFromEvent = null;
var dataContract = new Mock <IDataContractOperations>();
dataContract.Setup(x => x.Serialize(message)).Returns(serializedMessage);
var worker = new MessageSerializer(dataContract.Object);
worker.OnNewMessage += m => messageFromEvent = m;
// act
worker.SerializeMessage(message);
var messageProcessed = worker.DoWork();
// assert
Assert.IsTrue(messageProcessed);
Assert.AreEqual(serializedMessage, messageFromEvent);
dataContract.Verify(x => x.Serialize(message), Times.Once);
}
public void OnException()
{
// arrange
var message = new Message("IncomingRoute", "test");
var dataContract = new Mock <IDataContractOperations>();
dataContract.Setup(x => x.Serialize(message)).Throws <Exception>();
var worker = new MessageSerializer(dataContract.Object);
// act
worker.SerializeMessage(message);
// assert
Assert.Throws <SerializationException>(() =>
{
worker.DoWork();
});
}
public void WorkerLoopWhenNoMessages()
{
// arrange
var eventWasInvoked = false;
var dataContract = new Mock <IDataContractOperations>();
dataContract.Setup(x => x.Serialize(It.IsAny <Message>())).Returns(null);
var worker = new MessageSerializer(dataContract.Object);
worker.OnNewMessage += _ => eventWasInvoked = true;
// act
var messageProcessed = worker.DoWork();
// assert
Assert.IsFalse(messageProcessed);
Assert.IsFalse(eventWasInvoked);
dataContract.Verify(x => x.Serialize(It.IsAny <Message>()), Times.Never);
}