http://www.slideshare.net/stelligent/testdriven-infrastructure Test-Driven Infrastructure with CloudFormation and Cucumber.
https://www.reddit.com/r/aws/comments/2io88l/how_do_you_test_the_correctness_of_cloudformation/ How do you test the correctness of CloudFormation templates?
https://github.com/spulec/moto
https://github.com/spulec/moto/blob/master/tests/test_cloudformation/test_cloudformation_stack_integration.py
You can use the Moto mock_cloudformation decorator for this.