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[jest-emotion] snapshots show every style changed when any html attribute or style changes
See original GitHub issueCurrent behavior:
Snapshot errors do not show only the changed styles or attributes of a styled component when using the snapshotSerializer.
To reproduce:
Here is a minimal repo I created with the snapshot failure committed. Simply install (I’m using yarn) and run yarn test to see it.
emotion-snapshot-issue-reproduction
- Update snapshots
- Change any style or html attribute (such as the
idvalue) - Snapshot will fail as expected but show that every style in the component has changed
Expected behavior:
Snapshots should only show diff lines for the things that changed in a component. This used to be the behavior for all our tests but at some point it changed. I’m sorry I can’t figure out when, despite trying.
Environment information:
reactversion: ^16.12.0@emotion/coreversion: ^10.0.27@emotion/styledversion: ^10.0.2jest-emotionversion: ^10.0.27
Issue Analytics
- State:
- Created 3 years ago
- Comments:8 (8 by maintainers)
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This is actually a bug in
jest-snapshotpackage. I’ve located the problem and gonna try to prepare a fix.You’re damn right I’m interested.