# Test Report – T03 Backend Core

## Task
T03: Backend Core – FastAPI + DB Models + Equipment API + Redis Cache + Health

## Date
2026-07-09

## Test Commands Run

### 1. pytest (all tests)
```
cd backend && python -m pytest tests/ -v --cov=app --cov-report=term-missing
```

### 2. App import check
```
cd backend && python -c 'from app.main import app; print(app.title)'
```
Output: `HMS Licht & Ton API`

## Test Results

**28 tests, all passed, 0 warnings**

| Test File | Tests | Status |
|----------|-------|--------|
| test_cache.py | 8 | ALL PASS |
| test_contact_router.py | 5 | ALL PASS |
| test_equipment_router.py | 9 | ALL PASS |
| test_health.py | 1 | ALL PASS |
| test_models.py | 5 | ALL PASS |

## Coverage Report

```
Name                           Stmts   Miss  Cover   Missing
------------------------------------------------------------
app/__init__.py                    0      0   100%
app/cache.py                      62     13    79%
app/config.py                     19      0   100%
app/database.py                   11      2    82%
app/main.py                       18      3    83%
app/models/__init__.py             6      0   100%
app/models/admin_user.py          10      0   100%
app/models/contact.py             14      0   100%
app/models/equipment.py           22      0   100%
app/models/rental_request.py      40      0   100%
app/models/sync_log.py            15      0   100%
app/routers/__init__.py            0      0   100%
app/routers/contact.py            17      1    94%
app/routers/equipment.py          60     15    75%
app/routers/health.py             17      3    82%
app/schemas/__init__.py            3      0   100%
app/schemas/contact.py            16      0   100%
app/schemas/equipment.py          33      0   100%
------------------------------------------------------------
TOTAL                            363     37    90%
```

**Overall coverage: 90% (target: 80%)**

## Acceptance Criteria Verification

1. ✅ GET /api/health returns 200 with status, db, redis fields
2. ✅ GET /api/equipment returns 200 with paginated response (items, total, page, page_size, total_pages)
3. ✅ GET /api/equipment?search=K2 returns only matching items
4. ✅ GET /api/equipment?category=Lautsprecher returns only matching items
5. ✅ GET /api/equipment?sort=name_desc returns items sorted descending
6. ✅ GET /api/equipment/categories returns 200 with array of category strings
7. ✅ GET /api/equipment/{id} returns 200 with full equipment detail for valid ID
8. ✅ GET /api/equipment/999999 returns 404
9. ✅ Redis caches equipment list (via fakeredis test)
10. ✅ All 6 DB models defined with correct columns and indexes
11. ✅ POST /api/contact returns 201 with valid data
12. ✅ POST /api/contact returns 422 with invalid email
13. ✅ POST /api/contact returns 422 with privacy_consent=False
14. ✅ Rate limiting active (6th request returns 429)

## Smoke Test
- App starts: `python -c 'from app.main import app; print(app.title)'` → "HMS Licht & Ton API"
- All endpoints tested via ASGITransport with in-memory SQLite + fakeredis
- No real Redis or PostgreSQL needed for tests