def test_load_expanduser(self, expanduser, mop):
expanduser.return_value = 'path/to/blah.txt'
config = Config(Schema())
config.load('~/blah.txt', format='json')
expanduser.assert_called_once_with('~/blah.txt')
mop.assert_called_once_with('path/to/blah.txt', 'rb')
def test_load(self, loads, mop):
loads.return_value = {'x': 1}
config = Config(Schema())
object.__setattr__(config, 'loads', loads)
assert config.load('blah.txt', format='blah') == {'x': 1}
loads.assert_called_once_with(b'hello', 'blah')
mop.assert_called_once_with('blah.txt', 'rb')
