def test_is_absolute_member(self): """Basic tests of couplets.is_absolute_member().""" self.assertTrue(is_absolute_member(Couplet(1, 2))) self.assertFalse(is_absolute_member(Couplet(Set(1), 2))) self.assertFalse(is_absolute_member(Undef())) self.assertFalse( is_absolute_member(Couplet(left='b', right=_couplet_a_to_b)))
def test_membership(self): self.assertTrue(is_member(Couplet(1, 2))) self.assertFalse(is_member(Atom(3))) self.assertTrue(is_absolute_member(Couplet(1, 2))) self.assertFalse(is_absolute_member(Couplet(Set(1), 2))) self.assertRaises(AttributeError, lambda: is_member(3))
def test_is_absolute_member(self): """Basic tests of couplets.is_absolute_member().""" self.assertTrue(is_absolute_member(Couplet(1, 2))) self.assertFalse(is_absolute_member(Couplet(Set(1), 2))) self.assertFalse(is_absolute_member(Undef())) self.assertFalse(is_absolute_member(Couplet(left="b", right=_couplet_a_to_b)))