Initial commit: habit tracker PWA with Google OAuth, push notifications

FastAPI + SQLAlchemy/Alembic + MariaDB backend with Jinja2/htmx/Alpine
server-rendered frontend. Multi-user via Google OAuth, daily habit
tracking, monthly/weekly history views, Web Push reminders via
APScheduler, and PWA support (manifest, service worker, offline caching).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

tests/test_api_habits.py

@@ -0,0 +1,81 @@
+from app.models.habit import ALL_WEEKDAYS_MASK, HabitType
+from app.schemas.habit import HabitCreate
+from app.services import habit_service
+
+
+def _make_habit(db_session, user_id, name="테스트 습관"):
+    data = HabitCreate(name=name, habit_type=HabitType.BUILD, weekdays_mask=ALL_WEEKDAYS_MASK)
+    return habit_service.create_habit(db_session, user_id, data)
+
+
+def test_list_habits_requires_login(client):
+    response = client.get("/api/habits")
+    assert response.status_code == 401
+
+
+def test_create_and_list_habit(auth_client):
+    response = auth_client.post(
+        "/api/habits", json={"name": "아침 운동", "habit_type": "build", "weekdays_mask": ALL_WEEKDAYS_MASK}
+    )
+    assert response.status_code == 201
+    created = response.json()
+    assert created["name"] == "아침 운동"
+
+    listed = auth_client.get("/api/habits").json()
+    assert [h["name"] for h in listed] == ["아침 운동"]
+
+
+def test_create_habit_rejects_blank_name(auth_client):
+    response = auth_client.post(
+        "/api/habits", json={"name": "   ", "habit_type": "build", "weekdays_mask": ALL_WEEKDAYS_MASK}
+    )
+    assert response.status_code == 422
+
+
+def test_get_other_users_habit_returns_404(auth_client, db_session, other_user):
+    others_habit = _make_habit(db_session, other_user.id, name="남의 습관")
+
+    response = auth_client.get(f"/api/habits/{others_habit.id}")
+    assert response.status_code == 404
+
+
+def test_delete_other_users_habit_returns_404_and_does_not_delete(auth_client, db_session, other_user):
+    others_habit = _make_habit(db_session, other_user.id, name="남의 습관")
+
+    response = auth_client.delete(f"/api/habits/{others_habit.id}")
+    assert response.status_code == 404
+    assert habit_service.get_habit(db_session, others_habit.id, other_user.id) is not None
+
+
+def test_update_own_habit(auth_client, db_session, test_user):
+    habit = _make_habit(db_session, test_user.id, name="원래 이름")
+
+    response = auth_client.put(
+        f"/api/habits/{habit.id}",
+        json={"name": "새 이름", "habit_type": "build", "weekdays_mask": ALL_WEEKDAYS_MASK},
+    )
+    assert response.status_code == 200
+    assert response.json()["name"] == "새 이름"
+
+
+def test_complete_and_reactivate_habit(auth_client, db_session, test_user):
+    habit = _make_habit(db_session, test_user.id)
+
+    complete_res = auth_client.post(f"/api/habits/{habit.id}/complete")
+    assert complete_res.status_code == 200
+    assert complete_res.json()["status"] == "completed"
+
+    reactivate_res = auth_client.post(f"/api/habits/{habit.id}/reactivate")
+    assert reactivate_res.status_code == 200
+    assert reactivate_res.json()["status"] == "active"
+
+
+def test_reorder_endpoint(auth_client, db_session, test_user):
+    a = _make_habit(db_session, test_user.id, name="A")
+    b = _make_habit(db_session, test_user.id, name="B")
+
+    response = auth_client.post("/api/habits/reorder", json={"habit_ids": [b.id, a.id]})
+    assert response.status_code == 200
+
+    listed = auth_client.get("/api/habits").json()
+    assert [h["name"] for h in listed] == ["B", "A"]