使用 mock patch 模拟实例方法

问题描述

我在测试 Django 应用程序时尝试模拟一些东西，使用富有想象力的名称 模拟测试库.我似乎无法让它工作，我正在尝试这样做:

I'm trying to mock something while testing a Django app using the imaginatively named Mock testing library. I can't seem to quite get it to work, I'm trying to do this:

models.py

from somelib import FooClass

class Promotion(models.Model):
    foo = models.ForeignKey(FooClass)
    def bar(self):
       print "Do something I don't want!"


test.py

class ViewsDoSomething(TestCase):
    view = 'my_app.views.do_something'

    def test_enter_promotion(self):
        @patch.object(my_app.models.FooClass, 'bar')
        def fake_bar(self, mock_my_method):
            print "Do something I want!"
            return True

        self.client.get(reverse(view))

我做错了什么?

推荐答案

啊，我对在哪里应用补丁装饰器感到困惑.固定:

Ah I was confused on where to apply that patch decorator. Fixed:

class ViewsDoSomething(TestCase):
    view = 'my_app.views.do_something'

    @patch.object(my_app.models.FooClass, 'bar')
    def test_enter_promotion(self, mock_method):
        self.client.get(reverse(view))

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