python pytest 用于测试请求和响应

Python pytest是一个功能强大的测试框架，可以用于对请求和响应进行测试。它提供了简洁的语法和丰富的断言方法，使得测试编写变得简单而高效。本文将介绍如何使用pytest进行请求和响应的测试，并提供一些实际案例代码。

pip install pytest
pip install requests

python
# app.py
from flask import Flask, request
app = Flask(__name__)
@app.route('/welcome', methods=['GET'])
def welcome():
    name = request.args.get('name')
    return f'Welcome, {name}!'
if __name__ == '__main__':
    app.run()

python
# test_app.py
import pytest
import requests
from app import app
@pytest.fixture
def client():
    with app.test_client() as client:
        yield client
def test_welcome(client):
    response = client.get('/welcome?name=John')
    assert response.status_code == 200
    assert response.data == b'Welcome, John!'

python
# app.py
from flask import Flask, jsonify
app = Flask(__name__)
@app.route('/user', methods=['GET'])
def get_user():
    user = {
        'name': 'John',
        'age': 30,
        'email': 'john@example.com'
    }
    return jsonify(user)
if __name__ == '__main__':
    app.run()

python
# test_app.py
import pytest
import requests
from app import app
@pytest.fixture
def client():
    with app.test_client() as client:
        yield client
def test_get_user(client):
    response = client.get('/user')
    assert response.status_code == 200
    assert response.json() == {
        'name': 'John',
        'age': 30,
        'email': 'john@example.com'
    }