250 lines
6.5 KiB
Markdown
250 lines
6.5 KiB
Markdown
# Testing Patterns
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**Analysis Date:** 2026-03-13
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## Test Infrastructure
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**Status: NO TESTING INFRASTRUCTURE DETECTED**
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The codebase currently lacks automated testing configuration and test files.
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## Test Framework
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**Runner:** Not configured
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- No Jest configuration detected
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- No Vitest configuration detected
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- No Playwright/Cypress configuration detected
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**Assertion Library:** Not configured
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- No testing libraries in dependencies
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**Run Commands:** Not available
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- `package.json` only defines: `"build": "vite build"`
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- No test scripts present
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## Test File Organization
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**Current State:**
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- No test files in source code (`*.test.ts`, `*.spec.ts`, `*.test.tsx`, `*.spec.tsx`)
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- All test file matches were from `node_modules/` (zod library tests)
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**File Pattern:** Not established
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**Test Directory Structure:** Not implemented
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## Code Quality Indicators
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### TODO/FIXME Comments
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Minimal technical debt markers found:
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- `MobileSettingView.tsx` line 31: `placeholder="+63 XXX XXX XXXX"` (placeholder text, not TODO)
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### Code Complexity
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View component line counts (reasonable for view components):
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```
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FlashMemoryView.tsx 112 lines
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ADCSettingView.tsx 83 lines
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LevelSettingView.tsx 78 lines
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MobileSettingView.tsx 70 lines
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RainfallSettingView.tsx 69 lines
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NetworkSetupView.tsx 69 lines
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DateTimeSettingView.tsx 65 lines
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CalibrationView.tsx 63 lines
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RainfallView.tsx 63 lines
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SettingView.tsx 76 lines
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LoginView.tsx 61 lines
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GraphView.tsx 51 lines
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EVAPSettingView.tsx 54 lines
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SirenSettingView.tsx 71 lines
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GPRSSettingView.tsx 68 lines
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StationInfoView.tsx 40 lines
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```
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**Total view code:** ~1,092 lines across 16 view files
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### Component Complexity
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UI components (`src/app/components/ui/`):
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- Range: 6 lines (`utils.ts`) to 168 lines (`form.tsx`)
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- Most components: 20-90 lines
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- Pattern: Small, focused components following shadcn/ui conventions
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## Missing Testing Infrastructure
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### Critical Gaps
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1. **No unit test framework** - Components cannot be unit tested
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2. **No integration tests** - Route integration untested
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3. **No E2E tests** - User flows untested
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4. **No test scripts** - No CI/CD integration possible
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5. **No mocking strategy** - External dependencies not mockable
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### Testing Dependencies to Add
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For comprehensive testing, the following would be needed:
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```json
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{
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"devDependencies": {
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"vitest": "^2.x",
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"@testing-library/react": "^14.x",
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"@testing-library/jest-dom": "^6.x",
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"@testing-library/user-event": "^14.x",
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"jsdom": "^24.x"
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}
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}
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```
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Or alternatively with Jest:
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```json
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{
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"devDependencies": {
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"jest": "^29.x",
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"@testing-library/react": "^14.x",
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"@testing-library/jest-dom": "^6.x",
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"ts-jest": "^29.x",
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"jest-environment-jsdom": "^29.x"
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}
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}
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```
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## Recommended Testing Strategy
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### Priority 1: Unit Tests for UI Components
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Test critical UI primitives in `src/app/components/ui/`:
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- `button.tsx` - Variant rendering, click handling
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- `card.tsx` - Composition pattern
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- `input.tsx` - Value handling, focus states
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- `switch.tsx` - Toggle behavior
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### Priority 2: View Component Tests
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Test user interactions in views:
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- Form submissions
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- State changes
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- Navigation triggers
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### Priority 3: Integration Tests
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Test route configuration:
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- Route rendering
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- Navigation flow
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- Layout composition
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## Testing Conventions to Establish
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### Test File Naming
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Recommended pattern (when tests are added):
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- Co-located: `[Component].test.tsx` next to `[Component].tsx`
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- Or separate: `__tests__/[Component].test.tsx`
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### Test Structure (Recommended)
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```typescript
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// button.test.tsx - Example pattern to follow
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import { describe, it, expect, vi } from 'vitest';
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import { render, screen, fireEvent } from '@testing-library/react';
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import { Button } from './button';
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describe('Button', () => {
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it('renders with default variant', () => {
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render(<Button>Click me</Button>);
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expect(screen.getByText('Click me')).toBeInTheDocument();
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});
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it('handles click events', () => {
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const handleClick = vi.fn();
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render(<Button onClick={handleClick}>Click me</Button>);
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fireEvent.click(screen.getByText('Click me'));
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expect(handleClick).toHaveBeenCalled();
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});
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it('renders different variants', () => {
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const { rerender } = render(<Button variant="destructive">Delete</Button>);
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// Assert destructive styling
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rerender(<Button variant="outline">Cancel</Button>);
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// Assert outline styling
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});
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});
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```
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### Mocking Strategy (Recommended)
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**External Libraries:**
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- Mock `lucide-react` icons for snapshot stability
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- Mock `@radix-ui` components at boundary
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**Browser APIs:**
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- Mock `document.getElementById()` for scroll tests
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- Mock `window` events if needed
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**Example Mock Pattern:**
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```typescript
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// Mock scroll behavior
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const scrollByMock = vi.fn();
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Object.defineProperty(document, 'getElementById', {
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value: vi.fn(() => ({ scrollBy: scrollByMock })),
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});
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```
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## Coverage Recommendations
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### Minimum Targets
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- **UI Components:** 80% coverage (small, critical components)
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- **View Components:** 60% coverage (user interaction paths)
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- **Utility Functions:** 90% coverage (business logic)
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- **Routes:** Integration tests for all paths
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### Critical Paths to Test
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1. Login form submission
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2. Sidebar navigation
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3. File selection in FlashMemoryView
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4. Settings toggle switches
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5. Navigation button scrolling
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## CI/CD Integration
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### GitHub Actions (Recommended)
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When tests are added, include in workflow:
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```yaml
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name: Test
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on: [push, pull_request]
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jobs:
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test:
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runs-on: ubuntu-latest
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steps:
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- uses: actions/checkout@v4
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- uses: pnpm/action-setup@v2
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- run: pnpm install
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- run: pnpm test
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- run: pnpm test:coverage
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```
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## Testing Documentation Gap
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**Issue:** No testing guidelines in existing documentation
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The `Guidelines.md` file (458 lines) covers:
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- Design patterns
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- Color palettes
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- Component naming
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- Touchscreen guidelines
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But does NOT cover:
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- Testing conventions
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- Test file organization
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- Mocking patterns
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- Coverage requirements
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## Action Items for Testing
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1. **Add testing dependencies** (Vitest + React Testing Library recommended)
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2. **Create `vitest.config.ts`** with jsdom environment
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3. **Add test scripts** to `package.json`
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4. **Write initial tests** for critical UI components
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5. **Document testing patterns** in Guidelines.md
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6. **Set up CI/CD** to run tests on PR
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7. **Establish coverage thresholds**
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---
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*Testing analysis: 2026-03-13*
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**Summary:** This codebase currently has no testing infrastructure. All testing patterns documented above are recommendations for implementation rather than observed conventions.
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