def test_mock_add_spec(self):
class _One(object):
one = 1
class _Two(object):
two = 2
class Anything(object):
one = two = three = 'four'
klasses = [
Mock, MagicMock, NonCallableMock, NonCallableMagicMock
]
for Klass in list(klasses):
klasses.append(lambda K=Klass: K(spec=Anything))
klasses.append(lambda K=Klass: K(spec_set=Anything))
for Klass in klasses:
for kwargs in dict(), dict(spec_set=True):
mock = Klass()
#no error
mock.one, mock.two, mock.three
for One, Two in [(_One, _Two), (['one'], ['two'])]:
for kwargs in dict(), dict(spec_set=True):
mock.mock_add_spec(One, **kwargs)
mock.one
self.assertRaises(
AttributeError, getattr, mock, 'two'
)
self.assertRaises(
AttributeError, getattr, mock, 'three'
)
if 'spec_set' in kwargs:
self.assertRaises(
AttributeError, setattr, mock, 'three', None
)
mock.mock_add_spec(Two, **kwargs)
self.assertRaises(
AttributeError, getattr, mock, 'one'
)
mock.two
self.assertRaises(
AttributeError, getattr, mock, 'three'
)
if 'spec_set' in kwargs:
self.assertRaises(
AttributeError, setattr, mock, 'three', None
)
def test_mock_add_spec_magic_methods(self):
for Klass in MagicMock, NonCallableMagicMock:
mock = Klass()
int(mock)
mock.mock_add_spec(object)
self.assertRaises(TypeError, int, mock)
mock = Klass()
mock['foo']
mock.__int__.return_value =4
mock.mock_add_spec(int)
self.assertEqual(int(mock), 4)
self.assertRaises(TypeError, lambda: mock['foo'])