def test_is_admissible(self):
arg1 = MagicMock()
arg1.is_acceptable.return_value = True
arg2 = MagicMock()
arg2.is_acceptable.return_value = True
arg3 = MagicMock()
arg3.is_acceptable.return_value = True
arg4 = MagicMock()
arg5 = MagicMock()
rel14 = MagicMock()
rel14.relfrom = arg1
rel14.relto = arg4
rel52 = MagicMock()
rel52.relfrom = arg5
rel52.relto = arg2
rel54 = MagicMock()
rel54.relfrom = arg5
rel54.relto = arg4
extension = Extension(arg1, arg4)
self.assertFalse(extension.is_admissible([rel14]))
extension = Extension(arg1, arg2, arg3)
self.assertTrue(extension.is_admissible([rel14]))
arg2.is_acceptable.return_value = False
self.assertFalse(extension.is_admissible([rel14, rel52, rel54]))