Verified fakes with OpenAPI
summary
Claim: keep test doubles honest by validating mocks against an API contract. Implementation details: use OpenAPI to validate requests and responses, generate fakes and run the same tests against mock and real service, and record interactions with tools like vcrpy. Code and server stack: a Python client bravado and the open source pyramid_mock_server that serves verified fakes. At Yelp this setup reduces drift between mocks and real services and is used for unit, acceptance tests and docs.
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chapters (6)
- 0:00Introduction
- 0:57Why do you need Verified Fake
- 2:00Problems with fakes
- 3:15Verified fakes
- 4:34What is OpenAPI
- 5:45OpenAPI specification
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