Testing

A test runner's failed attempt feeds a weekly digest beside a code editor showing a fix.

20 Oct 2026 | 7 min read

Fixing flaky tests with a weekly CI digest and a coding agent

Code examples travel from a client to a server and return with a successful verification check.

24 Sep 2025 | 6 min read

End-to-End API Client Testing: From RSwag to 360 Verified Code Examples

A bracket keeps start, run, and stop together as a failing test result becomes passing checks.

26 Mar 2024 | 5 min read

Preventing Flaky Tests With A Custom RuboCop Rule

A magnifying glass on a blue background.

14 Oct 2019 | 10 min read

How I Figured Out A Test Coverage Issue With SimpleCov And Spring

Code coverage is switched on before code is loaded and its execution is measured.

13 Oct 2019 | 3 min read

How To Get Accurate Test Coverage With SimpleCov, Spring, and Rails

Admin resources feed a generated matrix of passing index and show tests.

27 Sep 2018 | 2 min read

Dynamically Generate Controller Specs for ActiveAdmin

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