AWS CI Email Fixtures Need a Promotion Gate
Email fixtures are easy to add to a CI job and surprisingly hard to operate after that job becomes part of a release process. A test can pass while the fixture is still readable, a retry can reuse an old inbox, or a cleanup step can fail after the green check has already been reported. For cloud pipelines, I treat an email fixture as a short-lived infrastructure resource. It gets an owner, a run…
The brief discusses the need for a promotion gate in AWS CI email fixtures to prevent evidence-quality failures during release processes. It highlights issues such as email fixtures being reused between test attempts, fixtures remaining available after job cancellation, and timing boundaries in email polling. The author proposes a solution involving a fixture contract with unique metadata for each pipeline attempt, proper cleanup steps, and recording of fixture states in test evidence bundles.
The cleanup path should be proven to run on success, failure, and cancellation, ensuring a green result provides strong evidence for promotion.
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