tests/test_auth_service.py

import pytest
from fastapi.testclient import TestClient
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from database import get_db
from models.base import Base
from main import app
from services.auth_service import create_user, get_password_hash
from models.user import User

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)

@pytest.fixture(scope="module")
def test_db():
    Base.metadata.create_all(bind=engine)
    db = TestingSessionLocal()
    yield db
    db.close()
    Base.metadata.drop_all(bind=engine)

def test_register_user(test_db):
    response = client.post("/api/auth/register", json={"username": "testuser", "email": "testuser@example.com", "password": "testpassword"})
    assert response.status_code == 200
    assert "access_token" in response.json()
    assert response.json()["token_type"] == "bearer"

def test_login_user(test_db):
    create_user(test_db, "testuser", "testuser@example.com", get_password_hash("testpassword"))
    response = client.post("/api/auth/login", data={"username": "testuser", "password": "testpassword"})
    assert response.status_code == 200
    assert "access_token" in response.json()
    assert response.json()["token_type"] == "bearer"

def test_get_current_user(test_db):
    create_user(test_db, "testuser", "testuser@example.com", get_password_hash("testpassword"))
    response = client.post("/api/auth/login", data={"username": "testuser", "password": "testpassword"})
    token = response.json()["access_token"]
    response = client.get("/api/auth/users/me", headers={"Authorization": f"Bearer {token}"})
    assert response.status_code == 200
    assert response.json()["username"] == "testuser"
    assert response.json()["email"] == "testuser@example.com"