fix conflict in tests

Author: wey-gu

examples/testing-patterns/django/conftest.py

@@ -16,22 +16,19 @@
 from py_pglite import PGliteConfig, PGliteManager
 
 
-@pytest.fixture(scope="session")
-def pglite_manager():
-    """
-    🎯 Base PGlite manager fixture
+# Removed pglite_manager fixture - let the Django backend handle PGlite lifecycle
+# This prevents conflicts with pytest-django's own database setup
 
-    Provides fresh PGlite instance for each test.
-    Used by both Django and pytest-django patterns.
-    """
-    manager = PGliteManager(PGliteConfig())
-    manager.start()
-    manager.wait_for_ready()
 
-    try:
-        yield manager
-    finally:
-        manager.stop()
+@pytest.fixture(autouse=True)
+def _enable_db_access(db):
+    """Enable Django DB access for every test in this directory.
+
+    This autouse fixture ensures all tests can access the database
+    without needing explicit @pytest.mark.django_db or db fixture.
+    """
+    # Just importing the 'db' fixture is enough to enable database access
+    pass
 
 
 @pytest.fixture(autouse=True)
@@ -54,17 +51,13 @@ def setup_django_mail():
 
 
 @pytest.fixture(scope="function")
-def configured_django(pglite_manager):
+def configured_django():
     """
     🎯 Configured Django environment
 
     Provides Django setup for both Django ORM and pytest-django testing.
-    This is the main abstraction point for Django + py-pglite.
+    This works with the PGlite instance managed by the Django backend.
     """
-    # Get connection details from PGlite
-    conn_str = pglite_manager.config.get_connection_string()
-    socket_dir = conn_str.split("host=")[1].split("&")[0].split("#")[0]
-
     # Configure Django if not already configured
     if not settings.configured:
         settings.configure(
@@ -74,7 +67,7 @@ def configured_django(pglite_manager):
                     "NAME": "postgres",
                     "USER": "postgres",
                     "PASSWORD": "postgres",
-                    "HOST": socket_dir,
+                    "HOST": "",  # Let backend handle socket path
                     "PORT": "",
                     "OPTIONS": {},
                 }
@@ -96,11 +89,11 @@ def configured_django(pglite_manager):
         if not hasattr(mail, "outbox"):
             mail.outbox = []
     else:
-        # Update existing configuration with new PGlite connection
+        # Ensure we're using the py-pglite backend
         settings.DATABASES["default"].update(
             {
                 "ENGINE": "py_pglite.django.backend",
-                "HOST": socket_dir,
+                "HOST": "",  # Let backend handle socket path
             }
         )
 

py_pglite/django/backend/base.py

@@ -52,11 +52,17 @@ def _create_test_db(
         # Get or create PGlite manager for this database
         manager = self._get_pglite_manager(test_database_name)
 
-        # Start PGlite if not already running
+        # Start PGlite if not already running (avoid killing existing processes)
         if not manager.is_running():
             manager.start()
             # Wait until PGlite is ready to accept connections
             manager.wait_for_ready()
+        else:
+            # Manager is already running, just ensure it's ready
+            if verbosity >= 1:
+                print(f"Using existing PGlite instance for {test_database_name}")
+            # Brief wait to ensure stability
+            time.sleep(0.5)
 
         # Update connection settings to use PGlite
         self._update_connection_settings(test_database_name, manager)