diff --git a/src/test/README.md b/src/test/README.md index 39b51a34..6d24be69 100644 --- a/src/test/README.md +++ b/src/test/README.md @@ -2,13 +2,13 @@ ## Overview -This directory contains comprehensive unit tests for TimeSafari components using **Vitest** and -**JSDOM**. The testing infrastructure is designed to work with Vue 3 components using the -`vue-facing-decorator` pattern. +This directory contains comprehensive unit tests for TimeSafari components using +**Vitest** and **JSDOM**. The testing infrastructure is designed to work with +Vue 3 components using the `vue-facing-decorator` pattern. ## Current Coverage Status -### ✅ **100% Coverage Components** (5 components) +### ✅ **100% Coverage Components** (6 components) | Component | Lines | Tests | Coverage | |-----------|-------|-------|----------| @@ -17,19 +17,24 @@ This directory contains comprehensive unit tests for TimeSafari components using | **ProjectIcon.vue** | 48 | 39 | 100% | | **ContactBulkActions.vue** | 43 | 43 | 100% | | **EntityIcon.vue** | 82 | 0* | 100% | +| **ShowAllCard.vue** | 66 | 52 | 100% | -*EntityIcon.vue has 100% coverage but no dedicated test file (covered by LargeIdenticonModal tests) +*EntityIcon.vue has 100% coverage but no dedicated test file (covered by +LargeIdenticonModal tests) ### 📊 **Coverage Metrics** -- **Total Tests**: 149 tests passing -- **Test Files**: 5 files -- **Components Covered**: 5 simple components -- **Mock Files**: 4 mock implementations -- **Overall Coverage**: 2.49% (focused on simple components) +- **Total Tests**: 201 tests passing +- **Test Files**: 6 files +- **Components Covered**: 6 simple components +- **Mock Files**: 7 mock implementations +- **Overall Coverage**: 3.24% (focused on simple components) - **Test Categories**: 10 comprehensive categories - **Enhanced Testing**: All simple components now have comprehensive test coverage +> **📋 Project Tracking**: For detailed coverage metrics, implementation progress, and +> project-specific status, see [`PROJECT_COVERAGE_TRACKING.md`](./PROJECT_COVERAGE_TRACKING.md) + ## Testing Infrastructure ### **Core Technologies** @@ -40,12 +45,15 @@ This directory contains comprehensive unit tests for TimeSafari components using - **TypeScript**: Full type safety for tests ### **Configuration Files** + - `vitest.config.ts` - Vitest configuration with JSDOM environment - `src/test/setup.ts` - Global test setup and mocks - `package.json` - Test scripts and dependencies ### **Global Mocks** + The test environment includes comprehensive mocks for browser APIs: + - `ResizeObserver` - For responsive component testing - `IntersectionObserver` - For scroll-based components - `localStorage` / `sessionStorage` - For data persistence @@ -55,6 +63,7 @@ The test environment includes comprehensive mocks for browser APIs: ## Test Patterns ### **1. Component Mounting** + ```typescript const mountComponent = (props = {}) => { return mount(ComponentName, { @@ -67,6 +76,7 @@ const mountComponent = (props = {}) => { ``` ### **2. Event Testing** + ```typescript it('should emit event when clicked', async () => { wrapper = mountComponent() @@ -76,6 +86,7 @@ it('should emit event when clicked', async () => { ``` ### **3. Prop Validation** + ```typescript it('should accept all required props', () => { wrapper = mountComponent() @@ -84,6 +95,7 @@ it('should accept all required props', () => { ``` ### **4. CSS Class Testing** + ```typescript it('should have correct CSS classes', () => { wrapper = mountComponent() @@ -95,59 +107,70 @@ it('should have correct CSS classes', () => { ## Test Categories ### **Component Rendering** + - Component existence and structure - Conditional rendering based on props - Template structure validation ### **Component Styling** + - CSS class application - Responsive design classes - Tailwind CSS integration ### **Component Props** + - Required prop validation - Optional prop handling - Prop type checking ### **User Interactions** + - Click event handling - Form input interactions - Keyboard navigation ### **Component Methods** + - Method existence and functionality - Return value validation - Error handling ### **Edge Cases** + - Empty/null prop handling - Rapid user interactions - Component state changes ### **Accessibility** + - Semantic HTML structure - ARIA attributes - Keyboard navigation ### **Error Handling** ✅ **NEW** + - Invalid prop combinations - Malformed data handling - Graceful degradation - Exception handling ### **Performance Testing** ✅ **NEW** + - Render time benchmarks - Memory leak detection - Rapid re-render efficiency - Component cleanup validation ### **Integration Testing** ✅ **NEW** + - Parent-child component interaction - Dependency injection testing - Global property integration - Service integration patterns ### **Snapshot Testing** ✅ **NEW** + - DOM structure validation - CSS class regression detection - Accessibility attribute consistency @@ -157,34 +180,49 @@ it('should have correct CSS classes', () => { ### **Defensive Programming Validation** -The primary purpose of our comprehensive error handling tests is to **prevent component and system failures** in real-world scenarios. Our testing philosophy focuses on: +The primary purpose of our comprehensive error handling tests is to **prevent +component and system failures** in real-world scenarios. Our testing philosophy +focuses on: #### **1. Real-World Edge Case Protection** -- **Invalid API responses**: Test components when backend returns `null` instead of expected objects + +- **Invalid API responses**: Test components when backend returns `null` instead + of expected objects - **Network failures**: Verify graceful handling of missing or corrupted data -- **User input errors**: Test with malformed data, special characters, and extreme values -- **Concurrent operations**: Ensure stability during rapid state changes and simultaneous interactions +- **User input errors**: Test with malformed data, special characters, and + extreme values +- **Concurrent operations**: Ensure stability during rapid state changes and + simultaneous interactions #### **2. System Stability Assurance** -- **Cascading failures**: Prevent one component's error from breaking the entire application + +- **Cascading failures**: Prevent one component's error from breaking the + entire application - **Memory leaks**: Ensure components clean up properly even when errors occur -- **Performance degradation**: Verify components remain responsive under error conditions +- **Performance degradation**: Verify components remain responsive under error + conditions #### **3. Production Readiness** -- **User Experience Protection**: Users don't see blank screens or error messages -- **Developer Confidence**: Safe refactoring without fear of breaking edge cases -- **System Reliability**: Prevents one bad API response from crashing the entire app + +- **User Experience Protection**: Users don't see blank screens or error + messages +- **Developer Confidence**: Safe refactoring without fear of breaking edge + cases +- **System Reliability**: Prevents one bad API response from crashing the + entire app ### **Comprehensive Error Scenarios** Our error handling tests cover: #### **RegistrationNotice Component Protection** + - Prevents crashes when `isRegistered` or `show` props are malformed - Ensures the "Share Your Info" button still works even with invalid data - Protects against rapid prop changes causing UI inconsistencies #### **LargeIdenticonModal Component Protection** + - Prevents modal rendering with invalid contact data that could break the UI - Ensures the close functionality works even with malformed contact objects - Protects against EntityIcon component failures cascading to the modal @@ -192,6 +230,7 @@ Our error handling tests cover: ### **Error Testing Categories** #### **Invalid Input Testing** + ```typescript // Test 10+ different invalid prop combinations const invalidPropCombinations = [ @@ -201,6 +240,7 @@ const invalidPropCombinations = [ ``` #### **Malformed Data Testing** + ```typescript // Test various malformed data structures const malformedData = [ @@ -210,6 +250,7 @@ const malformedData = [ ``` #### **Extreme Value Testing** + ```typescript // Test boundary conditions and extreme values const extremeValues = [ @@ -219,6 +260,7 @@ const extremeValues = [ ``` #### **Concurrent Error Testing** + ```typescript // Test rapid changes with invalid data for (let i = 0; i < 50; i++) { @@ -231,21 +273,25 @@ for (let i = 0; i < 50; i++) { ### **Benefits Beyond Coverage** #### **1. Defensive Programming Validation** + - Components handle unexpected data gracefully - No crashes or blank screens for users - Proper error boundaries and fallbacks #### **2. Real-World Resilience** + - Tested against actual failure scenarios - Validated with realistic error conditions - Proven stability under adverse conditions #### **3. Developer Confidence** + - Safe to refactor and extend components - Clear understanding of component behavior under stress - Reduced debugging time for edge cases #### **4. Production Stability** + - Reduced support tickets and user complaints - Improved application reliability - Better user experience under error conditions @@ -253,7 +299,9 @@ for (let i = 0; i < 50; i++) { ## Mock Implementation ### **Mock Component Structure** + Each mock component provides: + - Same interface as original component - Simplified behavior for testing - Helper methods for test scenarios @@ -262,6 +310,7 @@ Each mock component provides: ### **Mock Usage Examples** #### **Direct Instantiation** + ```typescript import RegistrationNoticeMock from '@/test/__mocks__/RegistrationNotice.mock' const mock = new RegistrationNoticeMock() @@ -269,6 +318,7 @@ expect(mock.shouldShow).toBe(true) ``` #### **Vue Test Utils Integration** + ```typescript import { mount } from '@vue/test-utils' import RegistrationNoticeMock from '@/test/__mocks__/RegistrationNotice.mock' @@ -280,6 +330,7 @@ expect(wrapper.vm.shouldShow).toBe(true) ``` #### **Event Testing** + ```typescript const mock = new RegistrationNoticeMock() mock.mockShareInfoClick() @@ -287,6 +338,7 @@ mock.mockShareInfoClick() ``` #### **Custom Mock Behavior** + ```typescript class CustomRegistrationNoticeMock extends RegistrationNoticeMock { get shouldShow(): boolean { @@ -298,6 +350,7 @@ class CustomRegistrationNoticeMock extends RegistrationNoticeMock { ## Advanced Testing Patterns ### **Spy Methods** + ```typescript import { vi } from 'vitest' @@ -312,6 +365,7 @@ it('should call method when triggered', () => { ``` ### **Integration Testing** + ```typescript it('should work with parent component', () => { const parentWrapper = mount(ParentComponent, { @@ -327,6 +381,7 @@ it('should work with parent component', () => { ``` ### **State Change Testing** + ```typescript it('should update state when props change', async () => { wrapper = mountComponent({ show: false }) @@ -338,6 +393,7 @@ it('should update state when props change', async () => { ``` ### **Performance Testing** + ```typescript it('should render within acceptable time', () => { const start = performance.now() @@ -351,6 +407,7 @@ it('should render within acceptable time', () => { ## Running Tests ### **Available Commands** + ```bash # Run all tests npm run test:unit @@ -366,6 +423,7 @@ npm run test:unit src/test/RegistrationNotice.test.ts ``` ### **Test Output** + - **Passing Tests**: Green checkmarks - **Failing Tests**: Red X with detailed error messages - **Coverage Report**: Percentage coverage for each file @@ -379,7 +437,10 @@ src/test/ │ ├── RegistrationNotice.mock.ts │ ├── LargeIdenticonModal.mock.ts │ ├── ProjectIcon.mock.ts -│ └── ContactBulkActions.mock.ts +│ ├── ContactBulkActions.mock.ts +│ ├── ImageViewer.mock.ts +│ ├── ShowAllCard.mock.ts # Mock with Simple/Standard/Complex levels +│ └── README.md # Mock usage documentation ├── utils/ # Centralized test utilities │ ├── testHelpers.ts # Core test utilities │ └── componentTestUtils.ts # Component testing utilities @@ -394,6 +455,7 @@ src/test/ ├── LargeIdenticonModal.test.ts # Component tests ├── ProjectIcon.test.ts # Component tests ├── ContactBulkActions.test.ts # Component tests +├── ShowAllCard.test.ts # Component tests (52 tests, 100% coverage) └── PlatformServiceMixin.test.ts # Utility tests ``` @@ -435,6 +497,7 @@ const props = createTestProps({ show: false }) ``` #### **Lifecycle Testing** + ```typescript import { testLifecycleEvents } from '@/test/utils/componentTestUtils' @@ -443,6 +506,7 @@ expect(results.every(r => r.success)).toBe(true) ``` #### **Computed Properties Testing** + ```typescript import { testComputedProperties } from '@/test/utils/componentTestUtils' @@ -451,6 +515,7 @@ expect(results.every(r => r.success)).toBe(true) ``` #### **Watcher Testing** + ```typescript import { testWatchers } from '@/test/utils/componentTestUtils' @@ -464,6 +529,7 @@ expect(results.every(r => r.success)).toBe(true) ``` #### **Performance Testing** + ```typescript import { testPerformance } from '@/test/utils/componentTestUtils' @@ -475,6 +541,7 @@ expect(result.passed).toBe(true) ``` #### **Accessibility Testing** + ```typescript import { testAccessibility } from '@/test/utils/componentTestUtils' @@ -490,6 +557,7 @@ expect(results.every(r => r.success && r.passed)).toBe(true) ``` #### **Error Handling Testing** + ```typescript import { testErrorHandling } from '@/test/utils/componentTestUtils' @@ -508,6 +576,7 @@ expect(results.every(r => r.success)).toBe(true) ``` #### **Event Listener Testing** + ```typescript import { createMockEventListeners } from '@/test/utils/componentTestUtils' @@ -518,18 +587,21 @@ expect(listeners.click).toBeDefined() ## Best Practices ### **Test Organization** + 1. **Group related tests** using `describe` blocks 2. **Use descriptive test names** that explain the scenario 3. **Keep tests focused** on one specific behavior 4. **Use helper functions** for common setup ### **Mock Design** + 1. **Maintain interface compatibility** with original components 2. **Provide helper methods** for common test scenarios 3. **Include computed properties** for state validation 4. **Document mock behavior** clearly ### **Coverage Goals** + 1. **100% line coverage** for simple components 2. **100% branch coverage** for conditional logic 3. **100% function coverage** for all methods @@ -538,6 +610,7 @@ expect(listeners.click).toBeDefined() ## Future Improvements ### **Implemented Enhancements** + 1. ✅ **Error handling** - Component error states and exception handling 2. ✅ **Performance testing** - Render time benchmarks and memory leak detection 3. ✅ **Integration testing** - Parent-child component interaction and dependency injection @@ -545,6 +618,7 @@ expect(listeners.click).toBeDefined() 5. ✅ **Accessibility compliance** - ARIA attributes and semantic structure validation ### **Future Enhancements** + 1. **Visual regression testing** - Automated UI consistency checks 2. **Cross-browser compatibility** testing 3. **Service layer integration** testing @@ -552,6 +626,7 @@ expect(listeners.click).toBeDefined() 5. **Advanced performance** profiling ### **Coverage Expansion** + 1. **Medium complexity components** (100-300 lines) 2. **Complex components** (300+ lines) 3. **Service layer testing** @@ -561,12 +636,14 @@ expect(listeners.click).toBeDefined() ## Troubleshooting ### **Common Issues** + 1. **Import errors**: Check path aliases in `vitest.config.ts` 2. **Mock not found**: Verify mock file exists and exports correctly 3. **Test failures**: Check for timing issues with async operations 4. **Coverage gaps**: Add tests for uncovered code paths ### **Debug Tips** + 1. **Use `console.log`** in tests for debugging 2. **Check test output** for detailed error messages 3. **Verify component props** are being passed correctly