AWS 自动化测试 - SNS SQS Lambda DynamoDB

Question

I have a setup like SNS -> SQS -> Lambda. The lambda function will save a file to S3 and save an item in DynamoDB

Now I would like to have an automated test case for it which I'm using Serenity

What I'm having so far are

1. The program test will send a SNS.
2. The program test will wait and wait until a file on S3 generated and DynamoDB item is created
3. The program will download the file from S3 and verify it
4. The program will verify the entry in DynamoDB and verify it

The problem here is at step #2, I have to keep waiting and waiting in X minutes (the same as time out of the lambda function).

Please advice me if we have a better approach and a solution to solve the "wait" at step #2.

Thanks,

Answer 1

What if the lambda was designed to queue a message when it completes. The test and actual consumers could then "listen" for messages on the response queue to know when the output is ready to test.

Test could use the SQS long polling API for the response message.