visual regression test
Compare rendered output with an intentionally reviewed baseline.
Use this when Behavioral tests pass while spacing, clipping, or typography breaks.
without the term
“We keep shipping CSS changes that break the layout on pages nobody looked at. The tests pass because they only check behavior. Can we catch visual changes automatically?”
with the term · How do you ask a model for visual regression test?
Add visual regression coverage for these screens and states. Stabilize fonts and data, then review every baseline difference.
What is visual regression test?
A visual regression test detects image differences under a controlled rendering environment.
Why does visual regression test matter when vibe coding?
An agent can change CSS globally while only checking the component it edited.
How do you do visual regression test?
Fix viewport, fonts, and data; capture important states; inspect differences before accepting a new baseline.
What goes wrong with visual regression test?
Automatically accepting new snapshots turns regressions into expected output.