public async Task ReceivesAndDeserializesSingleMessage()
{
Mock <IMessageDeserializer <TestMessage> > mockTestMessageDeserializer = new Mock <IMessageDeserializer <TestMessage> >();
mockTestMessageDeserializer.Setup(md => md.GetTypeName())
.Returns(typeof(TestMessage).Name);
TestMessage testMessage = new TestMessage();
mockTestMessageDeserializer.Setup(md => md.Deserialize(It.IsAny <Stream>()))
.Returns(testMessage);
BrokeredMessage testBrokeredMessage = new BrokeredMessage()
{
Properties =
{
{ MessagePropertyNames.TypeName, typeof(TestMessage).Name }
}
};
IObservable <BrokeredMessage> brokeredMessages = Observable.Create <BrokeredMessage>(o =>
{
o.OnNext(testBrokeredMessage);
o.OnCompleted();
return(Disposable.Empty);
});
MessageSource <TestMessage> messageSource = new MessageSource <TestMessage>(brokeredMessages, new[] { mockTestMessageDeserializer.Object }, Mock.Of <IMessageBrokeredMessageTable>());
TestMessage message = await messageSource.Messages.SingleOrDefaultAsync();
message.ShouldBeEquivalentTo(testMessage);
// NOTE: Would be great to be able to verify that testBrokeredMessage.CompleteAsync() was called here, but I would have to build abstraction around BrokeredMessage for that because it can't be mocked (since it's sealed)
mockTestMessageDeserializer.Verify(md => md.Deserialize(It.IsAny <Stream>()), Times.Once());
}