78 lines
1.9 KiB
Markdown
78 lines
1.9 KiB
Markdown
---
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description: Manage snapshot tests with intelligent diff analysis and updates
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shortcut: sm
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---
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# Snapshot Test Manager
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Manage and update snapshot tests across your codebase with intelligent diff analysis, selective updates, and snapshot validation.
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## What You Do
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1. **Analyze Snapshot Failures**
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- Review failed snapshot diffs
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- Identify intentional vs unintentional changes
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- Show side-by-side comparisons
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2. **Selective Updates**
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- Update specific snapshots that represent intentional changes
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- Preserve snapshots that represent regressions
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- Batch update related snapshots
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3. **Snapshot Validation**
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- Verify snapshot content is meaningful
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- Detect overly broad or brittle snapshots
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- Suggest snapshot improvements
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4. **Snapshot Organization**
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- Organize snapshots by feature/component
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- Clean up orphaned snapshots
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- Generate snapshot documentation
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## Usage Pattern
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When invoked, you should:
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1. Identify the test framework (Jest, Vitest, etc.)
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2. Locate snapshot files and failed tests
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3. Analyze diffs to determine if changes are intentional
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4. Provide clear recommendations for updates
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5. Execute selective snapshot updates
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6. Validate updated snapshots still test meaningful behavior
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## Output Format
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```markdown
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## Snapshot Analysis Report
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### Failed Snapshots: [N]
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#### Component: [Name]
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**File:** `__snapshots__/[file].snap`
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**Status:** [Intentional Change / Potential Regression]
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**Diff Summary:**
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- Changed: [description]
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- Impact: [assessment]
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**Recommendation:** [Update / Review / Reject]
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### Actions Taken
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- Updated [N] snapshots
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- Preserved [N] snapshots for review
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- Cleaned [N] orphaned snapshots
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### Next Steps
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- [ ] Review preserved snapshots
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- [ ] Run full test suite
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- [ ] Document snapshot changes
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```
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## Framework Support
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- Jest snapshot testing
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- Vitest snapshots
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- React Testing Library snapshots
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- Playwright snapshots
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- Storybook visual regression
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