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Add comprehensive testing documentation
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‎TESTING.md‎

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# Testing and Workflow Setup Summary
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This document summarizes the automated testing infrastructure and workflows added to the Object UI project.
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## 📋 What Was Added
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### 1. Testing Infrastructure
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**Framework:** Vitest with React Testing Library
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**Configuration Files:**
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- `vitest.config.ts` - Main Vitest configuration with coverage settings
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- `vitest.setup.ts` - Test setup file for @testing-library/jest-dom matchers
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**Dependencies Added:**
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- `vitest` - Test framework
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- `@vitest/ui` - UI for test visualization
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- `@vitest/coverage-v8` - Coverage reporting
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- `@testing-library/react` - React component testing utilities
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- `@testing-library/jest-dom` - DOM matchers
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- `@testing-library/user-event` - User interaction simulation
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- `jsdom` & `happy-dom` - DOM environment for tests
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### 2. Test Suite
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**Total Tests: 36 passing tests**
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Package breakdown:
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- `@object-ui/protocol`: 6 tests (Type definitions and schema validation)
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- `@object-ui/engine`: 3 tests (Version and core functionality)
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- `@object-ui/renderer`: 12 tests (Registry and SchemaRenderer)
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- `@object-ui/ui`: 7 tests (Button component)
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- `@object-ui/designer`: 2 tests (Package exports)
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- Additional tests: 6 tests
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**Test Scripts Available:**
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```bash
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pnpm test # Run all tests
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pnpm test:watch # Run tests in watch mode
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pnpm test:ui # Run tests with interactive UI
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pnpm test:coverage # Generate coverage report
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```
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### 3. GitHub Actions Workflows
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**CI Workflow** (`.github/workflows/ci.yml`)
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- Runs on push to main/develop and pull requests
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- Tests on Node.js 18.x and 20.x
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- Separate jobs for:
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- Testing with coverage reporting
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- Linting
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- Building all packages
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- Integrates with Codecov for coverage tracking
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**Release Workflow** (`.github/workflows/release.yml`)
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- Triggers on version tags (v*)
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- Runs tests and builds packages
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- Creates GitHub releases automatically
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- Ready for npm publishing (commented out by default)
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**PR Checks Workflow** (`.github/workflows/pr-checks.yml`)
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- Validates pull requests automatically
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- Runs type checking, tests, and linting
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- Posts success/failure comments on PRs
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### 4. Documentation
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**Updated Files:**
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- `README.md` - Added testing section and CI badges
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- `CONTRIBUTING.md` - New contributor guide with testing instructions
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- `CHANGELOG.md` - Project changelog tracking all changes
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### 5. Package Configuration Updates
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All package.json files updated with:
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```json
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"scripts": {
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"test": "vitest run",
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"test:watch": "vitest"
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}
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```
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All tsconfig.json files updated to exclude test files from compilation:
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```json
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"exclude": ["**/__tests__/**", "**/*.test.ts", "**/*.test.tsx"]
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```
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## 🚀 How to Use
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### Running Tests Locally
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```bash
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# Install dependencies
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pnpm install
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# Run all tests
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pnpm test
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# Watch mode for development
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pnpm test:watch
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# Generate coverage report
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pnpm test:coverage
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```
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### CI/CD Integration
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- All workflows run automatically on push/PR
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- Check the Actions tab in GitHub for results
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- Coverage reports are uploaded to Codecov
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### Adding New Tests
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1. Create `__tests__` directory in your package's `src` folder
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2. Add test files: `*.test.ts` or `*.test.tsx`
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3. Follow existing test patterns
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4. Run `pnpm test` to verify
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## 📊 Test Coverage
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Current coverage focuses on:
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- Type definitions and protocol
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- Core engine functionality
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- Component registry and renderer
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- UI component (Button as example)
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- Package exports
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Future coverage can be expanded by adding more component tests in the `packages/ui/src/__tests__` directory.
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## 🔧 Troubleshooting
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**Tests not running?**
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- Ensure dependencies are installed: `pnpm install`
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- Check that Vitest is configured correctly
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**Build errors?**
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- Note: There are pre-existing build errors in the renderer package that are unrelated to the testing setup
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- Tests run independently and do not require a successful build
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**Coverage report issues?**
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- Ensure `@vitest/coverage-v8` is installed
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- Check `vitest.config.ts` for coverage configuration
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## 📝 Notes
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- Test files are automatically excluded from TypeScript compilation
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- All tests use Vitest's global test utilities (describe, it, expect)
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- React Testing Library is configured with @testing-library/jest-dom matchers
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- Coverage reports exclude test files, node_modules, and build artifacts

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