How can one mock/stub python module like urllib

Question

I need to test a function that needs to query a page on an external server using urllib.urlopen (it also uses urllib.urlencode). The server could be down, the page could cha

Answer 1

I am using Mock's patch decorator:

from mock import patch

[...]

@patch('urllib.urlopen')
def test_foo(self, urlopen_mock):
    urlopen_mock.return_value = MyUrlOpenMock()