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On Wed, Sep 23, 2015 at 3:06 AM, liuxinguo <liuxinguo at huawei.com> wrote:

> Hi,
>
>
>
> In a.py we have a function:
>
> def *_change_file_mode*(filepath):
>
> utils.execute(*'chmod'*, *'600'*, filepath, run_as_root=True)
>
>
>
> In test_xxx.py, there is a testclass:
>
> clas*s xxxxDriverTestCase(test.TestCase):*
>
> *def test_a(self)*
>
> *    …*
>
> *    Call a. _change_file_mode*
>
> *…*
>
>
>
> *def test_b(self)*
>
> *    …*
>
> *    Call a. _change_file_mode*
>
> *…*
>
>
>
> I have tried to mock like mock out function *_change_file_mode *like this:
>
> *@mock.patch.object*(a, *'_change_file_mode', *return_value=None)
>
> clas*s xxxxDriverTestCase(test.TestCase):*
>
> *def test_a(self)*
>
> *    …*
>
> *    Call a. _change_file_mode*
>
> *…*
>
>
>
> *def test_b(self)*
>
> *    …*
>
> *    Call a. _change_file_mode*
>
> *…*
>
>
>
> But the mock takes no effort, the real function _change_file_mode is still
> executed.
>
> So how to make a mock effactive for all method of a testclass?
>
> Thanks for any input!
>
>
>

Use oslotest's mockpatch.PatchObject fixture:
http://docs.openstack.org/developer/oslotest/api.html#oslotest.mockpatch.PatchObject


> Wilson Liu
>
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