fix(backend): implemented jwt token invalidation so users cannot use it after expiry

7project/backend/tests/test_integration_app.py

@@ -1,5 +1,6 @@
 from fastapi import status
 import pytest
+from httpx import AsyncClient, ASGITransport
 
 
 def test_root_ok(client):
@@ -16,3 +17,55 @@ def test_authenticated_route_requires_auth(client):
 def test_sentry_debug_raises_exception(client):
     with pytest.raises(ZeroDivisionError):
         client.get("/sentry-debug")
+
+
+@pytest.mark.asyncio
+async def test_create_and_get_category(fastapi_app, test_user):
+    # Use AsyncClient for async tests
+    transport = ASGITransport(app=fastapi_app)
+    async with AsyncClient(transport=transport, base_url="http://testserver") as ac:
+        # 1. Log in to get an auth token
+        login_resp = await ac.post("/auth/jwt/login", data=test_user)
+        token = login_resp.json()["access_token"]
+        headers = {"Authorization": f"Bearer {token}"}
+
+        # 2. Define and create the new category
+        category_name = "Async Integration Test"
+        category_payload = {"name": category_name}
+        create_resp = await ac.post("/categories/create", json=category_payload, headers=headers)
+
+        # 3. Assert creation was successful
+        assert create_resp.status_code == status.HTTP_201_CREATED
+        created_data = create_resp.json()
+        category_id = created_data["id"]
+        assert created_data["name"] == category_name
+
+        # 4. GET the list of categories to verify
+        list_resp = await ac.get("/categories/", headers=headers)
+        assert list_resp.status_code == status.HTTP_200_OK
+
+        # 5. Check that our new category is in the list
+        categories_list = list_resp.json()
+        assert any(cat["name"] == category_name for cat in categories_list)
+
+        delete_resp = await ac.delete(f"/categories/{category_id}", headers=headers)
+        assert delete_resp.status_code in (status.HTTP_200_OK, status.HTTP_204_NO_CONTENT)
+
+
+@pytest.mark.asyncio
+async def test_create_transaction_missing_amount_fails(fastapi_app, test_user):
+    transport = ASGITransport(app=fastapi_app)
+    async with AsyncClient(transport=transport, base_url="http://testserver") as ac:
+        # 1. Log in to get an auth token
+        login_resp = await ac.post("/auth/jwt/login", data=test_user)
+        token = login_resp.json()["access_token"]
+        headers = {"Authorization": f"Bearer {token}"}
+
+        # 2. Define an invalid payload
+        invalid_payload = {"description": "This should fail"}
+
+        # 3. Attempt to create the transaction
+        resp = await ac.post("/transactions/create", json=invalid_payload, headers=headers)
+
+        # 4. Assert the expected validation error
+        assert resp.status_code == status.HTTP_422_UNPROCESSABLE_ENTITY