Added URL stats retrieval with tests

app/test_main.py

@@ -4,10 +4,18 @@ import os
 
 sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
 
-from app.main import app
+from app.main import settings
+import tempfile
+import pytest
 
 client = TestClient(app)
 
+@pytest.fixture(autouse=True)
+def use_temp_db():
+    with tempfile.NamedTemporaryFile() as tmp:
+        settings.database_url = tmp.name
+        yield
+
 def test_home():
     response = client.get("/")
     assert response.status_code == 200