---
phase: 17-unit-tests-jest
plan: 01
subsystem: testing
tags: [jest, react-testing-library, unit-tests, modal, session-settings]

# Dependency graph
requires:
  - phase: none
    provides: N/A (standalone test file)
provides:
  - Jest unit tests for JKSessionSettingsModal component
  - Test patterns for modal components with i18n mocking
  - Coverage for UNIT-01, UNIT-02, UNIT-03 requirements
affects: [17-02-PLAN, future modal component tests]

# Tech tracking
tech-stack:
  added: []
  patterns:
    - renderModal helper pattern with defaultProps
    - react-i18next mock pattern with translation map
    - requirement-labeled describe blocks (UNIT-XX)

key-files:
  created:
    - jam-ui/src/components/client/__tests__/JKSessionSettingsModal.test.js
  modified: []

key-decisions:
  - "Used data-testid for privacy select (existing in component)"
  - "Mocked react-i18next with translation map for label testing"
  - "Tests reflect actual component behavior (privacy select not disabled during loading)"

patterns-established:
  - "Helper function pattern: renderModal with defaultProps spread"
  - "i18n mock pattern: useTranslation returning t function with map"
  - "Requirement traceability: describe blocks labeled with UNIT-XX"

# Metrics
duration: 8min
completed: 2026-02-08
---

# Phase 17 Plan 01: JKSessionSettingsModal Tests Summary

**Jest unit tests covering modal rendering, save payload transformation, and loading state behavior with 9 passing tests**

## Performance

- **Duration:** 8 min
- **Started:** 2026-02-08T06:49:22Z
- **Completed:** 2026-02-08T06:57:00Z
- **Tasks:** 3
- **Files created:** 1

## Accomplishments
- Created test file with proper setup, mocks, and helper functions
- Implemented 9 tests covering all three requirements (UNIT-01, UNIT-02, UNIT-03)
- All tests passing with requirement traceability via describe block labels

## Task Commits

Each task was committed atomically:

1. **Task 1: Create test file with setup and mocks** - `b7cec1ff3` (test)
2. **Task 2: Write tests for all three requirements** - `c3d4ffd06` (test)
3. **Task 3: Verify full test suite and clean up** - No commit (verification only)

## Files Created/Modified
- `jam-ui/src/components/client/__tests__/JKSessionSettingsModal.test.js` - Jest unit tests for JKSessionSettingsModal (149 lines)

## Test Coverage

| Requirement | Tests | Description |
|-------------|-------|-------------|
| UNIT-01 | 3 | Modal renders with currentSession props (privacy, description, title) |
| UNIT-02 | 2 | Save button calls onSave with correctly transformed payload |
| UNIT-03 | 4 | Loading state disables form interactions (save, cancel, textarea) |

## Decisions Made
- Used existing `data-testid="session-privacy"` attribute for privacy select targeting
- Tests accurately reflect component behavior: privacy select is NOT disabled during loading (only textarea and buttons are)
- Used translation map in i18n mock to test actual label values

## Deviations from Plan

None - plan executed exactly as written.

## Issues Encountered
- Pre-existing test failures in JKChatMessageList.test.js and other test files (missing activeSession state in store) - these are unrelated to this plan and existed before changes
- No issues with JKSessionSettingsModal tests - all 9 pass

## User Setup Required

None - no external service configuration required.

## Next Phase Readiness
- Test infrastructure in place for client component testing
- Pattern established for mocking react-i18next
- Ready for 17-02-PLAN.md (additional component tests)

---
*Phase: 17-unit-tests-jest*
*Plan: 01*
*Completed: 2026-02-08*
