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Set up SwiftUI visual regression testing with swift-snapshot-testing. Generates snapshot test boilerplate and CI configuration.
Passed 20 of 22 test cases with the skill, and 15 of 22 without it.
and 4 more in the full report
5 fixed15 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.
When running snapshot tests on GitHub Actions, tests sometimes fail due to pixel differences. What directory path pattern should the GitHub Actions workflow capture and upload as a build artifact to inspect visual failure diffs?
| Checked | Without skill | With skill |
|---|---|---|
| Uploads artifacts matching the path pattern **/Failures/**. | Missed | Passed |
The instructions your model reads when the skill loads.
Generate SwiftUI snapshot/visual regression tests using Point-Free's swift-snapshot-testing library. Catches unintended UI changes by comparing rendered views against reference images.
Use this skill when the user:
Without snapshots: With snapshots:
Change a modifier Change a modifier
→ Looks fine locally → Snapshot test fails
→ Push to main → Shows exact visual diff
→ User reports UI bug → Fix before merging
→ Embarrassing → Confidence in UI changes
Glob: **/Package.swift or **/*.xcodeproj
Grep: "swift-snapshot-testing" (already added?)
Grep: "SnapshotTesting" in test files
Ask via AskUserQuestion:
test cases passed, vs 15 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.