接口推荐

http://httpbin.org/ 知名API接口(有在线版)
learning-API-test 国人写的用于测试领域的接口(无在线版，需要自己部署)

learning-API-test

下载接口源码

https://github.com/defnngj/learning-API-test

安装依赖库

pip install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple

运行接口源码

浏览器访问效果

单元测试

# 单个类
import unittest
import requests
class TestHello(unittest.TestCase):
    def setUp(self):
        self.base_url = "http://127.0.0.1:5000"
    def test_case(self):
        url = "/user/tom"
        r = requests.get(self.base_url + url)
        result = r.json()
        self.assertEqual(result["code"], 10200)
        self.assertEqual(result["message"], "hello, tom")
if __name__ == '__main__':
    unittest.main()

# 多个类
import unittest
import requests
class TestHello(unittest.TestCase):
    def setUp(self):
        self.base_url = "http://127.0.0.1:5000"
    def test_case(self):
        url = "/user/tom"
        r = requests.get(self.base_url + url)
        result = r.json()
        self.assertEqual(result["code"], 10200)
        self.assertEqual(result["message"], "hello, tom")
class TestLogin(unittest.TestCase):
    def setUp(self):
        self.base_url = "http://127.0.0.1:5000"
    def test_login_success(self):
        """登录成功"""
        payload = {'username': 'admin', "password": "a123456"}
        r = requests.post(self.base_url + "/login", data=payload)
        result = r.json()
        print(result)
        self.assertEqual(result["code"], 10200)
        self.assertEqual(result["message"], "login success")
    def test_login_null(self):
        """用户名密码为空"""
        payload = {'username': '', "password": ""}
        r = requests.post(self.base_url + "/login", data=payload)
        result = r.json()
        print(result)
        self.assertEqual(result["code"], 10103)
        self.assertEqual(result["message"], "username or passwrord is null")
    def test_login_error(self):
        """用户名密码为空"""
        payload = {'username': 'error', "password": "error123"}
        r = requests.post(self.base_url + "/login", data=payload)
        result = r.json()
        print(result)
        self.assertEqual(result["code"], 10104)
        self.assertEqual(result["message"], "username or password error")
if __name__ == '__main__':
    unittest.main()

httpbin访问demo

import requests
# 请求方法post, 参数格式：from-data
# url = "http://httpbin.org/post"
# r = requests.post(url, data={'key':'value'})
# print(r.status_code)  #http状态 404，200， 302
# print(r.json())
# url = "http://httpbin.org/post"
# r = requests.post(url, data={'key':'value'})
# print(r.status_code)  #http状态 404，200， 302
# print(r.json())
# 请求方法：get
# r = requests.get('https://api.github.com/events')
# print(r.status_code)
# print(r.json())
# 请求方法：get, 带参数params
# payload = {'key1': 'value1', 'key2': 'value2'}
# r = requests.get("http://httpbin.org/get", params=payload)
# print(r.status_code)
# print(r.json())
# 请求方法：post, 参数格式：json
# url = 'https://api.github.com/some/endpoint'
# payload = {'some': 'data'}
# r = requests.post(url, json=payload)
# print(r.status_code)
# print(r.json())
# 带header请求头的接口调用
url = 'http://httpbin.org/post'
abc = {'user-agent': 'my-app/0.0.1'}
r = requests.post(url, headers=abc)
print(r.status_code)
print(r.json())
# 带auth信息的接口
url = 'http://httpbin.org/post'
r = requests.post(url, auth=("admin", "123"))
print(r.status_code)
print(r.json())