name ==“main_”下的Python补丁/模拟

fnatzsnv 于 2023-03-11 发布在 Python

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我有一个名为w.py的文件，在__name__ == "__main__"下，我想修补MyAPI，运行python w.py显示修补根本不起作用。patch('common.apis.MyAPI', mock_api)是否正确使用？

from common.apis import MyAPI

class Worker:
    def __init__(self):
        companies = MyAPI.all()
        raise Exception(companies)

if __name__ == "__main__":
    from mock import patch, Mock

    mock_api = Mock()
    mock_api.all.return_value = {'dummy': 'dummy'}

    with patch('common.apis.MyAPI', mock_api):
        Worker()

python

来源：https://stackoverflow.com/questions/75535092/python-patch-mock-under-name-main

1条答案

按热度按时间

f2uvfpb91#

IIUC你想给MyAPI.all打补丁，让它返回{'dummy': 'dummy'}，你可以这样做：

from common.apis import MyAPI

class Worker:
    def __init__(self):
        companies = MyAPI.all()
        raise Exception(companies)

if __name__ == "__main__":
    from unittest.mock import patch, Mock

    def all_dummy():
        return {'dummy': 'dummy'}

    with patch.object(MyAPI, 'all', all_dummy):
        Worker()

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name ==“main_”下的Python补丁/模拟

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