def test_words(self):
        value = self.sd.words()
        self.assertTrue(isinstance(value, six.string_types))
        self.assertTrue(len(value.split(' ')) >= 1)
        self.assertTrue(5 <= len(value.split(' ')))

        value = self.sd.words(5, 5)
        self.assertTrue(len(value.split(' ')) == 5)

        self.assertEqual(self.sd.words(0, 0), '')

        with self.assertRaises(ParameterError):
            value = self.sd.words(10, 5)
dataset/ETHPy150Open kaleidos/django-sampledatahelper/tests/tests.py/TestTextHelpers.test_words/swapped operands of `<=`