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awesome-copilot/plugins/react18-upgrade/skills/react-audit-grep-patterns/references/test-scans.md
2026-04-10 01:42:56 +00:00

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# Test File Scans - Both Auditors
Scans specifically for test file issues. Run during both R18 and R19 audits.
---
## Setup Files
```bash
# Find test setup files
find src/ -name "setupTests*" -o -name "jest.setup*" 2>/dev/null
find . -name "jest.config.js" -o -name "jest.config.ts" 2>/dev/null | grep -v "node_modules"
# Check setup file for legacy patterns
grep -n "ReactDOM\|react-dom/test-utils\|Enzyme\|configure\|Adapter" \
src/setupTests.js 2>/dev/null
```
---
## Import Scans
```bash
# All react-dom/test-utils imports in tests
grep -rn "from 'react-dom/test-utils'\|require.*react-dom/test-utils" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
# Enzyme imports
grep -rn "from 'enzyme'\|require.*enzyme" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
# react-test-renderer
grep -rn "from 'react-test-renderer'" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
# Old act location
grep -rn "act.*from 'react-dom'" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
```
---
## Render Pattern Scans
```bash
# ReactDOM.render in tests (should use RTL render)
grep -rn "ReactDOM\.render\s*(" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
# Enzyme shallow/mount
grep -rn "shallow(\|mount(" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
# Custom render helpers
find src/ -name "test-utils.js" -o -name "renderWithProviders*" \
-o -name "customRender*" -o -name "render-helpers*" 2>/dev/null
```
---
## Assertion Scans
```bash
# Call count assertions (StrictMode sensitive)
grep -rn "toHaveBeenCalledTimes" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
# console.error assertions (React error logging changed in R19)
grep -rn "console\.error" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
# Intermediate state assertions (batching sensitive)
grep -rn "fireEvent\|userEvent" \
src/ --include="*.test.*" --include="*.spec.*" -A 1 \
| grep "expect\|getBy\|queryBy" | head -20 2>/dev/null
```
---
## Async Scans
```bash
# act() usage
grep -rn "\bact(" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
# waitFor usage (good - check these are properly async)
grep -rn "waitFor\|findBy" \
src/ --include="*.test.*" --include="*.spec.*" | wc -l
# setTimeout in tests (may be batching-sensitive)
grep -rn "setTimeout\|setInterval" \
src/ --include="*.test.*" --include="*.spec.*" 2>/dev/null
```