test: improve coverage for VitalsHistory

Overview

This MR improves unit test coverage for key components in the application, specifically VolunteerCampFlow and VitalsHistory.

What does this MR do and why?

The motivation behind this change is to increase overall test reliability and ensure critical components are well-tested.

Previously, test coverage for VolunteerCampFlow and VitalsHistory was limited. This MR enhances coverage by adding more test scenarios, including edge cases and user interaction flows.

The approach focused on improving existing tests and adding missing cases without modifying component logic.

Changes Made

• Updated unit tests for:

  • VitalsHistory

• Added additional test scenarios for better coverage

• Improved handling of edge cases in tests

• Minor cleanup in test files

Technical Details

• Expanded test cases to cover:

  • Rendering behavior
  • User interactions
  • Conditional UI states

• Ensured consistent mocking and test structure

• Used existing testing utilities and patterns

Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to change)
• 📝 Documentation update
• 🎨 UI/UX improvement
• ♻️ Refactor (no functional changes)
• ⚡ Performance improvement
• 🧪 Test update
• 🔧 Configuration change
• 🚨 Security fix

Related Issues / References

issues #278 (closed)

Screenshots or Screen Recordings

How to Set Up and Validate Locally

1. Checkout this branch:

   git checkout test/fix-coverage

2. Install dependencies:

   bun install

3. Run tests:

   npm run test:run

4. Run coverage:

   npm run test:coverage

5. Expected result:

   • All tests should pass
   • Coverage should be improved for the updated components

Testing Done

• Manual testing completed
• Unit tests added/updated

Test Cases Covered:

Scenario	Expected Result	Status
Component renders correctly	UI loads without errors	✅
User interaction flows	Actions trigger expected results	✅
Edge cases handling	No crashes or unexpected behavior	✅

Code Quality Checklist

Code Standards

• Code follows project conventions
• No console.log() or debugger statements
• No unused imports, variables, or functions
• No duplicate code
• i18n check passed
• TypeScript types are properly defined (no any unless justified)
• ESLint and Prettier checks pass

React Best Practices

• Components follow single responsibility
• Hooks follow rules
• State management is appropriate
• No unnecessary re-renders
• Event handlers handled properly

Component Patterns

• Proper use of UI components
• Tailwind classes used correctly
• Responsive design considered
• Accessibility basics followed
• Consistent icon usage

API & Data Fetching

• Not applicable

Error Handling

• Errors handled gracefully in tests

Documentation

• README.md updated
• .env.example updated
• CHANGELOG.md updated

Known Limitations / Technical Debt

• Some test files currently use any type, which may require future refactoring to satisfy strict ESLint rules.

Additional Notes

• This MR focuses only on improving test coverage.
• No production code was modified.
• ESLint issues in test files can be addressed in a separate cleanup MR.

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