fix: fixed the pytest and mock test env

Author: ifrunruhin12

.gitignore

@@ -174,3 +174,7 @@ book/
 
 node_modules*
 exports/
+test.db-shm
+test.db-wal
+test_export.db-journal
+*.db-journal

tests/conftest.py

@@ -1,11 +1,97 @@
+import os
 import pytest
 from fastapi.testclient import TestClient
+from unittest.mock import Mock, patch
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
 
+# Set test environment variables before importing the app
+os.environ["DATABASE_URL"] = "sqlite:///test.db"
+os.environ["REDIS_URL"] = "redis://localhost:6379/1"
+os.environ["USE_CELERY"] = "false"
+os.environ["ENABLE_CACHING"] = "false"
+os.environ["DEBUG"] = "true"
+
+# Import app after environment variables are set
 from app.main import app
+from app.db.database import Base, get_db
+
+
+@pytest.fixture(scope="session")
+def test_engine():
+    """Create test database engine and tables"""
+    engine = create_engine("sqlite:///test.db", connect_args={"check_same_thread": False})
+    
+    # Create all tables
+    Base.metadata.create_all(bind=engine)
+    
+    yield engine
+    
+    # Clean up - drop all tables after tests
+    Base.metadata.drop_all(bind=engine)
+
+
+@pytest.fixture
+def db_session(test_engine):
+    """Create a database session for testing"""
+    TestingSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=test_engine)
+    session = TestingSessionLocal()
+    
+    try:
+        yield session
+    finally:
+        session.rollback()
+        session.close()
+
+
+@pytest.fixture
+def client(db_session):
+    """Create a test client for the FastAPI app with mocked dependencies"""
+    def override_get_db():
+        try:
+            yield db_session
+        finally:
+            pass
+    
+    app.dependency_overrides[get_db] = override_get_db
+    
+    # Mock Redis and other external services
+    with patch('app.core.redis_client.RedisClient') as mock_redis_class:
+        mock_redis_instance = Mock()
+        mock_redis_instance.ping.return_value = True
+        mock_redis_instance.get.return_value = None
+        mock_redis_instance.set.return_value = True
+        mock_redis_instance.incr.return_value = 1
+        mock_redis_instance.expire.return_value = True
+        mock_redis_instance.lpush.return_value = 1
+        mock_redis_instance.ltrim.return_value = True
+        mock_redis_instance.lrange.return_value = []
+        mock_redis_instance.hset.return_value = True
+        mock_redis_instance.hgetall.return_value = {}
+        mock_redis_instance.llen.return_value = 0
+        mock_redis_class.return_value = mock_redis_instance
+        
+        with patch('app.core.cache.cache_manager') as mock_cache:
+            mock_cache.redis = mock_redis_instance
+            
+            with patch('app.db.database.get_connection_pool_status') as mock_pool_status:
+                mock_pool_status.return_value = {
+                    "pool_size": 20,
+                    "checked_in": 15,
+                    "pool_status": "healthy"
+                }
+                
+                with TestClient(app) as test_client:
+                    yield test_client
+    
+    # Clean up dependency override
+    app.dependency_overrides.clear()
 
 
 @pytest.fixture
-def client():
-    """Create a test client for the FastAPI app"""
-    with TestClient(app) as test_client:
-        yield test_client
+def mock_db():
+    """Mock database session for testing"""
+    with patch('app.db.database.get_db') as mock_get_db:
+        mock_session = Mock()
+        mock_get_db.return_value = mock_session
+        yield mock_session