Topic
5 articles tagged “case study”.
A pairwise model of the Sauce Demo checkout, 31 generated cases run as a data-driven Playwright test on Chromium, Firefox, and WebKit, and a run of every account, product, and form combination to check what those cases found and what they could have missed.
test cases · playwright · automation
16 MIN
A measured look at Playwright's toHaveScreenshot: how many pixels a real regression changes, why maxDiffPixels: 100 and maxDiffPixelRatio: 0.01 can hide it, what animations: 'disabled' does not freeze, and how to handle baselines in CI.
playwright · visual testing · ci cd
8 MIN
What the keyv and Bitwarden CLI attacks did to CI runners and AI coding agent config files, which defenses we verified on real npm versions (including one that npm 10 silently ignores), and a pull request check for files that run code on folder open.
ci cd · security · github actions
9 MIN
Updated
What a retried flaky test actually looks like in Playwright's list, JUnit, and JSON reporters, how we diagnosed a real one on this site, and a quarantine policy with owners and expiry dates that CI enforces.
playwright · flaky tests · ci cd
11 MIN
Updated
Real defects from this site's own codebase: what the symptom was, which check caught it, the root cause, the fix, and the regression test we added.
case study · playwright · accessibility
6 MIN
Updated