def test_is_alpha(self): self.assertTrue(StringValidator.is_alpha('abc')) self.assertTrue(StringValidator.is_alpha('ABC'))
def test_is_not_alpha(self): self.assertFalse(StringValidator.is_alpha('123')) self.assertFalse(StringValidator.is_alpha('abc123')) self.assertFalse(StringValidator.is_alpha('a1b2c3')) self.assertFalse(StringValidator.is_alpha('123ABC'))