add unit test for ToggleableList component #1960
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WalkthroughA new unit test suite for the Changes
Estimated code review effort🎯 2 (Simple) | ⏱️ ~8 minutes Assessment against linked issues
Assessment against linked issues: Out-of-scope changesNo out-of-scope changes found. Possibly related PRs
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frontend/__tests__/unit/components/ToggleableList.test.tsx(1 hunks)
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🧠 Learnings (2)
📓 Common learnings
Learnt from: Rajgupta36
PR: OWASP/Nest#1717
File: frontend/__tests__/unit/pages/createProgram.test.tsx:70-86
Timestamp: 2025-07-12T17:36:57.255Z
Learning: When testing React page components that use mocked form components, validation logic should be tested at the form component level, not the page level. Page-level tests should focus on authentication, role checking, submission handling, and navigation logic.
📚 Learning: when testing react page components that use mocked form components, validation logic should be teste...
Learnt from: Rajgupta36
PR: OWASP/Nest#1717
File: frontend/__tests__/unit/pages/createProgram.test.tsx:70-86
Timestamp: 2025-07-12T17:36:57.255Z
Learning: When testing React page components that use mocked form components, validation logic should be tested at the form component level, not the page level. Page-level tests should focus on authentication, role checking, submission handling, and navigation logic.
Applied to files:
frontend/__tests__/unit/components/ToggleableList.test.tsx
🔇 Additional comments (6)
frontend/__tests__/unit/components/ToggleableList.test.tsx (6)
1-13: LGTM! Modern Next.js router mocking.The imports and router mock setup correctly use
next/navigationwhich is appropriate for Next.js 13+ app router. The mock implementation properly provides thepushfunction needed for navigation testing.
15-33: Well-implemented mocks for isolated testing.The mock implementations effectively isolate the ToggleableList component by:
- Preserving essential ShowMoreButton functionality (onToggle callback)
- Maintaining FontAwesome icon properties (className, iconName) for verification
- Using proper ES module structure with
__esModule: trueThis allows focused testing of the component's core logic without external dependencies.
42-84: Comprehensive coverage of basic rendering scenarios.The tests effectively verify:
- Default limit behavior (10 items displayed initially)
- Icon rendering with correct CSS classes (
mr-2,h-5,w-5)- Custom limit prop functionality
- Conditional ShowMoreButton rendering based on item count vs limit
This aligns well with the PR objectives for testing rendering logic and prop-based behaviors.
86-112: Excellent coverage of interactive behavior.The expand/collapse tests thoroughly verify the ShowMoreButton toggle functionality, confirming that:
- Items are properly hidden/shown on state changes
- The component correctly transitions between expanded and collapsed states
- Specific items are tested to ensure the limit boundaries work correctly
114-119: Navigation test correctly verifies router integration.The test properly simulates user interaction and verifies that clicking an item triggers navigation with the expected URL format (
/projects?q=React).
121-141: Good coverage of edge cases.The tests handle important edge scenarios:
- Empty arrays (no ShowMoreButton expected)
- Single items (no ShowMoreButton expected)
- Items exactly equal to limit (boundary condition)
These tests ensure robustness against various input conditions.
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* add unit test for ToggleableList component * fix suggested change * made suggested change * Fix make check and font awesome mock issues --------- Co-authored-by: Kate Golovanova <[email protected]>
2 participants
Proposed change
Resolves #1916
Add unit tests for ToggleableList component
This PR adds comprehensive unit tests for the ToggleableList component, covering:
Checklist
make check-testlocally; all checks and tests passed.