我有一個名為some.py：
from dataclasses import dataclass
from some_folder.some_reader import SomeReader
class SomeClass:
def __init__(self, url):
self.reader = SomeReader(url)
和some_reader.py：
class SomeReader:
def read_path(self, url):
return "read_path"
和some_test.py：
from unittest.mock importpatch
from some_folder.some import SomeClass
@patch("some_folder.some_reader.SomeReader")
def test_some_class(mock_some_reader):
SomeClass("")
當我運行some_test時，似乎SomeReader實體化的不是模擬物件，而是：
SomeReader
<class 'some_folder.some_reader.SomeReader'>
SomeReader如果我放入，一切似乎都很好some.py。
uj5u.com熱心網友回復：
查看在哪里修補
some.py：
from some_folder.some_reader import SomeReader
class SomeClass:
def __init__(self, url):
self.reader = SomeReader(url)
some_folder/some_reader.py：
class SomeReader:
def read_path(self, url):
return "read_path"
test_some.py：
import unittest
from unittest.mock import patch
from some import SomeClass
class TestSome(unittest.TestCase):
@patch("some.SomeReader")
def test_some_class(self, mock_some_reader):
some = SomeClass("")
print(some.reader)
if __name__ == '__main__':
unittest.main()
測驗結果：
<MagicMock name='SomeReader()' id='4520784368'>
.
----------------------------------------------------------------------
Ran 1 test in 0.001s
OK
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