Python @patch无法正常工作

问题描述

我正在尝试测试在其中创建另一个类的实例的方法，我正在尝试模拟内部类的创建……这对我不起作用.我尝试将问题简化为简化的案例-仍然行不通.这是简化的情况:

I am trying to test a method that within it creates an instance of another class, I am attempting to mock the creation of the inner class... That is not working for me. I tried replicating the problem to a simplified case - and still no go. Here is the simplified case:

我有一个名为pymock的目录，其中有一个__init__.py.除此之外，还有以下3个文件:

I have a directory named pymock with a __init__.py in it. Other than that there are these 3 files:

foo.py

#!/usr/bin/python
class Foo(object):
    def foo1(self):
        return 1

goo.py

#!/usr/bin/python
from foo import Foo


class Goo(object):
    def goo1(self):
        f = Foo()
        return f.foo1()

goo_test.py

#!/usr/bin/python
from mock import patch, Mock
from nose.tools import assert_equal

from goo import Goo


class TestGoo(object):
    def setup(self):
        self.goo = Goo()

    @patch('pymock.foo.Foo', autospec=True)
    def test_goo1(self, foo1_mock):
        foo_instance = Mock()
        foo1_mock.return_value = foo_instance
        foo_instance.foo1.return_value = 11
        assert_equal(11, self.goo.goo1())

提前谢谢！

推荐答案

您需要修补使用的名称.

@patch('pymock.goo.Foo', autospec=True)

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