#!/usr/bin/env python

from unittest import mock

testdict = {'Dummy-Header': 'dummy-value'}

mockdict = mock.MagicMock(wraps=testdict)

assert mockdict.get('Dummy-Header') is not None
assert 'Dummy-Header' in mockdict, (
    "Use of 'in' to check if 'Dummy-Header' is a key in mockdict "
    "failed.\nmockdict.keys(): %s" % mockdict.keys())
assert mockdict['Dummy-Header'] == 'dummy-value'