public void Resolve_ConsumerNotFound_ConsumerNotFoundExceptionThrown()
{
//Arrange
var fakeService = Substitute.For <IFakeService>();
var fakeLogger = Substitute.For <ILogger <ConsumerResolver> >();
var firstConsumer = new FirstMessageConsumer(fakeService);
var secondConsumer = new SecondMessageConsumer(fakeService);
var consumers = new IConsumer[] { firstConsumer, secondConsumer };
var consumerResolver = new ConsumerResolver(consumers, fakeLogger);
var message = new SecondMessage {
Value = "First Message"
};
var messageAsString = JsonConvert.SerializeObject(message);
var messageType = "fakeMessageType";
var sqsMessage = new Message
{
MessageAttributes = new Dictionary <string, MessageAttributeValue>
{
{ "MessageType", new MessageAttributeValue {
StringValue = messageType
} }
},
Body = messageAsString
};
//Act
var task = consumerResolver.Resolve(sqsMessage, CancellationToken.None);
//Assert
Should.Throw <ConsumerNotFoundException>(task);
}
public async Task Resolve_SecondMessageConsumerFound_HandleMethodIsInvoked()
{
//Arrange
var fakeService = Substitute.For <IFakeService>();
var fakeLogger = Substitute.For <ILogger <ConsumerResolver> >();
var firstConsumer = new FirstMessageConsumer(fakeService);
var secondConsumer = new SecondMessageConsumer(fakeService);
var consumers = new IConsumer[] { firstConsumer, secondConsumer };
var consumerResolver = new ConsumerResolver(consumers, fakeLogger);
var message = new SecondMessage {
Value = "First Message"
};
var messageAsString = JsonConvert.SerializeObject(message);
var messageType = nameof(SecondMessage);
var sqsMessage = new Message
{
MessageAttributes = new Dictionary <string, MessageAttributeValue>
{
{ "MessageType", new MessageAttributeValue {
StringValue = messageType
} }
},
Body = messageAsString
};
//Act
await consumerResolver.Resolve(sqsMessage, CancellationToken.None);
//Assert
fakeService.DidNotReceive().FirstMethod();
fakeService.Received(1).SecondMethod();
}
public async Task Resolve_ConsumersFound_TwoMethodsAreInvokedTwice()
{
//Arrange
var fakeService = Substitute.For <IFakeService>();
var fakeLogger = Substitute.For <ILogger <ConsumerResolver> >();
var firstConsumer = new FirstMessageConsumer(fakeService);
var secondConsumer = new SecondMessageConsumer(fakeService);
var thirdConsumer = new ThirdMessageConsumer(fakeService);
var consumers = new IConsumer[] { firstConsumer, secondConsumer, thirdConsumer };
var consumerResolver = new ConsumerResolver(consumers, fakeLogger);
var firstMessage = new FirstMessage {
Value = "First Message"
};
var firstSqsMessage = new Message
{
MessageAttributes = new Dictionary <string, MessageAttributeValue>
{
{ "MessageType", new MessageAttributeValue {
StringValue = nameof(FirstMessage)
} }
},
Body = JsonConvert.SerializeObject(firstMessage)
};
var secondMessage = new SecondMessage {
Value = "Second Message"
};
var secondSqsMessage = new Message
{
MessageAttributes = new Dictionary <string, MessageAttributeValue>
{
{ "MessageType", new MessageAttributeValue {
StringValue = nameof(SecondMessage)
} }
},
Body = JsonConvert.SerializeObject(secondMessage)
};
//Act
await consumerResolver.Resolve(firstSqsMessage, CancellationToken.None);
await consumerResolver.Resolve(secondSqsMessage, CancellationToken.None);
//Assert
fakeService.Received(2).FirstMethod();
fakeService.Received(2).SecondMethod();
}
public void Resolve_ConsumerNotFound_ConsumerNotFoundExceptionThrown()
{
//Arrange
var fakeService = Substitute.For <IFakeService>();
var firstConsumer = new FirstMessageConsumer(fakeService);
var secondConsumer = new SecondMessageConsumer(fakeService);
var consumers = new IConsumer[] { firstConsumer, secondConsumer };
var consumerResolver = new ConsumerResolver(consumers);
var message = new SecondMessage {
Value = "First Message"
};
var messageAsString = JsonConvert.SerializeObject(message);
var messageType = "fakeMessageType";
//Act
var task = consumerResolver.Resolve(messageAsString, messageType, CancellationToken.None);
//Assert
Should.Throw <ConsumerNotFoundException>(task);
}
public async Task Resolve_SecondMessageConsumerFound_HandleMethodIsInvoked()
{
//Arrange
var fakeService = Substitute.For <IFakeService>();
var firstConsumer = new FirstMessageConsumer(fakeService);
var secondConsumer = new SecondMessageConsumer(fakeService);
var consumers = new IConsumer[] { firstConsumer, secondConsumer };
var consumerResolver = new ConsumerResolver(consumers);
var message = new SecondMessage {
Value = "First Message"
};
var messageAsString = JsonConvert.SerializeObject(message);
var messageType = nameof(SecondMessage);
//Act
await consumerResolver.Resolve(messageAsString, messageType, CancellationToken.None);
//Assert
fakeService.DidNotReceive().FirstMethod();
fakeService.Received(1).SecondMethod();
}