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我有一个简单的函数,发送一个获取请求到一个API,我想能够写一个单元测试来声明,脚本打印错误,然后如果请求返回异常则退出。Python单元测试与嘲笑request.get,没有引发特定的异常
def fetch_members(self):
try:
r = requests.get(api_url, auth=('user', api_key))
except requests.exceptions.HTTPError as error:
print(error)
sys.exit(1)
我已经试过以下测试,但HTTPError是从未提出
import requests
from unittest.mock import patch
@patch('sys.exit')
@patch('sys.stdout', new_callable=StringIO)
@patch('requests.get')
def test_fetch_members_with_bad_request(self, mock_get, mock_stdout,
mock_exit):
response = requests.Response()
response.status_code = 400 # Bad reqeust
mock_get.return_value = response
mock_get.side_effect = requests.exceptions.HTTPError
with self.assertRaises(requests.exceptions.HTTPError):
fetch_members()
mock_exit.assert_called_once_with(1)
self.assertIsNotNone(mock_stdout.getvalue())
我如何去正确地修补requests.get总是提出一些类型的错误?
您的示例代码* does *会导致引发异常,但您的函数*捕获并处理它*。 –