API schema & contract tests

A step of the Cloud application tree on Gradus, in the Testing & resilience area: Tests, errors, SLOs.

Publish an API schema and test that the implementation honours it, so clients can trust the contract.

Usually comes after: Test doubles & fixtures.

Prompt for your AI assistant

Define an OpenAPI schema for this API, validate responses against it in tests and add a contract test that fails when the implementation drifts from the schema.

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