Fix test errors: prometheus metrics duplication and pytest_plugins configuration

Author: TechWithTy

backend/apps/monitoring/metrics.py

@@ -1,4 +1,22 @@
-from prometheus_client import Counter, Histogram, Gauge
+from prometheus_client import Counter, Histogram, Gauge, REGISTRY
+
+# Create a custom registry to avoid conflicts
+try:
+    # Try to unregister existing metrics if they exist
+    for metric in [
+        'api_requests_total', 'api_request_latency_seconds', 
+        'credit_usage_total', 'credit_operation_latency_seconds', 
+        'active_users', 'user_sessions_total', 
+        'api_error_rate', 'api_response_time_threshold', 
+        'anomaly_detection_triggered_total', 
+        'db_query_latency_seconds', 'db_connection_pool_size', 
+        'cache_hit_ratio', 'cache_size_bytes', 
+        'system_memory_usage_bytes', 'system_cpu_usage_percent'
+    ]:
+        if metric in REGISTRY._names_to_collectors:
+            REGISTRY.unregister(REGISTRY._names_to_collectors[metric])
+except Exception:
+    pass
 
 # API Usage Metrics
 API_REQUESTS_COUNTER = Counter(

backend/apps/supabase_home/tests/conftest.py

@@ -46,8 +46,7 @@ def pytest_configure(config):
         os.environ["SKIP_INTEGRATION_TESTS"] = "true"
         print("Integration tests disabled - only running mock tests")
 
-# Define pytest plugins
-pytest_plugins = []
+# The pytest_plugins declaration has been moved to the root conftest.py file
 
 @pytest.fixture(scope="session")
 def supabase_client():

backend/conftest.py

@@ -3,7 +3,6 @@
 import os
 import sys
 import django
-from django.conf import settings
 
 # Add the project root to the Python path
 sys.path.insert(0, os.path.abspath(os.path.dirname(__file__)))
@@ -12,8 +11,10 @@
 os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'core.settings')
 django.setup()
 
+# Define pytest plugins at the root level as required by pytest
+pytest_plugins = []
+
 # Configure asyncio fixture scope to avoid deprecation warning
-pytest_plugins = ["asyncio"]
 pytest_asyncio_default_fixture_loop_scope = "function"
 
 # Suppress specifically the WebSocket task destroyed warnings