Python unit test with multipatching

base_test.py

from abc import ABCMeta, abstractproperty

import unittest

import mock


class BaseTest(unittest.TestCase):

    __metaclass__ = ABCMeta

    @abstractproperty
    def MODULE_NAME(self):
        pass

    @classmethod
    def with_module(cls, module_name):
        class ModuledBaseTest(cls):
            MODULE_NAME = module_name
        return ModuledBaseTest

    def patch(self, what, with_what=None):
        target = mock.patch(self.MODULE_NAME + "." + what, with_what or mock.Mock())
        patch = target.start()
        self.addCleanup(target.stop)
        return patch

some_test.py

from base_test import BaseTest


class SampleTest(BaseTest.with_module("some.module.name")):

    def setUp(self):
        super(SampleTest, self).setUp()
        self.patch("requests")
        self.patch("sys")
  
    def test_sth(self):
        ...