updated the test lint

web_app/tests/test_dashboard.py

@@ -28,12 +28,27 @@
 
 @app.exception_handler(Exception)
 async def generic_exception_handler(request: Request, exc: Exception):
+    """
+    Generic exception handler for unexpected server errors.
+
+    This function handles uncaught exceptions and returns a JSON response with 
+    a 500 status code, indicating an internal server error. It is registered as 
+    an exception handler for all exceptions not handled by specific exception 
+    handlers.
+
+    Args:
+        request (Request): The incoming HTTP request that caused the exception.
+        exc (Exception): The exception instance raised during the request.
+
+    Returns:
+        JSONResponse: A JSON response containing a "detail" key with a message 
+                      indicating an internal server error, with a 500 status code.
+    """
     return JSONResponse(
         status_code=500,
         content={"detail": "Internal Server Error"},
     )
 
-
 client = TestClient(router)
 
 
@@ -65,8 +80,10 @@ async def generic_exception_handler(request: Request, exc: Exception):
 
 @pytest.mark.asyncio
 async def test_get_dashboard_success():
+
+    """Test successful retrieval of dashboard data."""
+
     wallet_id = "0x1234567890abcdef"
-
     with patch(
         "web_app.api.dashboard.position_db_connector.get_contract_address_by_wallet_id"
     ) as mock_get_contract_address_by_wallet_id, patch(
@@ -115,8 +132,10 @@ async def test_get_dashboard_success():
 
 @pytest.mark.asyncio
 async def test_get_dashboard_no_positions():
+
+    """Test handling of wallet with no positions."""
+
     wallet_id = "0x1234567890abcdef"
-
     with patch(
         "web_app.api.dashboard.position_db_connector.get_contract_address_by_wallet_id"
     ) as mock_get_contract_address_by_wallet_id, patch(
@@ -146,8 +165,10 @@ async def test_get_dashboard_no_positions():
 
 @pytest.mark.asyncio
 async def test_get_dashboard_no_contract_address():
+
+    """Test handling of missing contract address."""
+
     wallet_id = "0x1234567890abcdef"
-
     with patch(
         "web_app.api.dashboard.position_db_connector.get_contract_address_by_wallet_id"
     ) as mock_get_contract_address_by_wallet_id, patch(
@@ -178,12 +199,25 @@ async def test_get_dashboard_no_contract_address():
 
 @pytest.fixture
 def mock_db_connector():
+    """
+    Fixture that provides a mocked instance of the PositionDBConnector
+    used in the dashboard module. This mock allows for controlled testing
+    of database-related functions without accessing the actual database,
+    enabling the simulation of different responses and conditions.
+    """
     with patch("web_app.api.dashboard.position_db_connector") as mock:
         yield mock
 
 
 @pytest.fixture
 def mock_dashboard_mixin():
+    """
+    Fixture that provides a mocked instance of the DashboardMixin used 
+    in the dashboard module. This mock allows for controlled testing of 
+    external service interactions (e.g., wallet balances and ZkLend positions) 
+    without relying on real API calls, enabling the simulation of various 
+    responses and error conditions.
+    """
     with patch("web_app.contract_tools.mixins.dashboard.DashboardMixin") as mock:
         mock.get_wallet_balances = AsyncMock()
         mock.get_zklend_position = AsyncMock()
@@ -192,7 +226,9 @@ def mock_dashboard_mixin():
 
 @pytest.mark.asyncio
 async def test_invalid_wallet_id(mock_db_connector):
+
     """Test handling of invalid wallet ID."""
+
     mock_db_connector.get_contract_address_by_wallet_id.side_effect = ValueError(
         "Invalid wallet ID"
     )
@@ -203,7 +239,9 @@ async def test_invalid_wallet_id(mock_db_connector):
 
 @pytest.mark.asyncio
 async def test_empty_positions(mock_db_connector, mock_dashboard_mixin):
+
     """Test handling of wallet with no positions."""
+
     mock_db_connector.get_contract_address_by_wallet_id.return_value = (
         MOCK_CONTRACT_ADDRESS
     )
@@ -222,6 +260,7 @@ async def test_empty_positions(mock_db_connector, mock_dashboard_mixin):
 
 @pytest.mark.asyncio
 async def test_external_service_errors(mock_db_connector):
+
     """Test handling of external service failures."""
 
     mock_db_connector.get_contract_address_by_wallet_id.return_value = (
@@ -238,6 +277,7 @@ async def test_external_service_errors(mock_db_connector):
 
 @pytest.mark.asyncio
 async def test_zklend_service_error(mock_db_connector):
+
     """Test handling of ZkLend service failure."""
 
     mock_db_connector.get_contract_address_by_wallet_id.return_value = (