def test_zip_correct(self): self.assertTrue(Validate.validate_zipcode('1234'))
def test_zip_none(self): self.assertFalse(Validate.validate_zipcode(''))
def test_zip_contains_non_alphanum_char(self): self.assertFalse(Validate.validate_zipcode('-123'), Validate.validate_zipcode('12+4'))
def test_zip_starts_with_zero(self): self.assertFalse(Validate.validate_zipcode('0123'))
def test_zip_not_four_char(self): self.assertFalse(Validate.validate_zipcode('12345'))
def test_zip_contains_alpha(self): self.assertFalse(Validate.validate_zipcode('a234'))