test specific call for endpoints

caimira/tests/apps/calculator/test_data_service_api.py

@@ -0,0 +1,44 @@
+import pytest
+import os
+import re
+
+from caimira.apps.calculator.data_service import DataService
+
+@pytest.fixture
+def data_service_enabled():
+    return os.environ.get('DATA_SERVICE_ENABLED', 'False').lower() == 'true'
+
+@pytest.fixture
+def data_service_credentials():
+    return {
+        'data_service_client_email': os.environ.get('DATA_SERVICE_CLIENT_EMAIL', None),
+        'data_service_client_password': os.environ.get('DATA_SERVICE_CLIENT_PASSWORD', None),
+    }    
+
+async def test_fetch_method(data_service_enabled, data_service_credentials):
+    if not data_service_enabled:
+        return
+
+    # Initialize the DataService
+    data_service = DataService(data_service_credentials)
+
+    if (data_service_credentials["data_service_client_email"] == None or 
+        data_service_credentials["data_service_client_password"] == None):
+        # Check if an error is thrown
+        with pytest.raises(
+            Exception,
+            match=re.escape("DataService credentials not set")
+        ):
+            await DataService(data_service_credentials).fetch()
+
+    else:
+        # Call the fetch method
+        response = await data_service.fetch()
+
+        # Assert the response is not None
+        assert response is not None
+
+        # Assert that the response contains data
+        assert "data" in response
+        assert isinstance(response["data"], dict)
+        assert response["data"] is not None