Initial commit: NextGen PPR System

- FastAPI backend with JWT authentication
- MySQL database with full schema
- Docker Compose orchestration
- CSV data import for 43,208 airports and 519,999 aircraft
- Complete PPR management API
- Modernized replacement for PHP-based system

backend/tests/test_main.py

@@ -0,0 +1,42 @@
+import pytest
+from fastapi.testclient import TestClient
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from app.main import app
+from app.api.deps import get_db
+from app.db.session import Base
+
+# Create test database
+SQLALCHEMY_DATABASE_URL = "sqlite:///./test.db"
+engine = create_engine(
+    SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}
+)
+TestingSessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+Base.metadata.create_all(bind=engine)
+
+def override_get_db():
+    try:
+        db = TestingSessionLocal()
+        yield db
+    finally:
+        db.close()
+
+app.dependency_overrides[get_db] = override_get_db
+
+client = TestClient(app)
+
+def test_read_main():
+    response = client.get("/")
+    assert response.status_code == 200
+    assert "Airfield PPR API" in response.json()["message"]
+
+def test_health_check():
+    response = client.get("/health")
+    assert response.status_code == 200
+    assert response.json()["status"] == "healthy"
+
+def test_get_public_arrivals():
+    response = client.get("/api/v1/public/arrivals")
+    assert response.status_code == 200
+    assert isinstance(response.json(), list)