def test_lowercase(self):
"""
Test for lowercase text
"""
# Valid inputs
self.assertTrue(Validate.lowercase("thisislowercase"))
self.assertTrue(Validate.lowercase("this is lowercase"))
self.assertTrue(Validate.lowercase(""))
self.assertTrue(Validate.lowercase("this contains numbers like 1 or 2"))
self.assertTrue(Validate.lowercase("this contains special characters!!"))
# Invalid inptus
self.assertRaises(ValueError, Validate.lowercase, "This is not all lowercase")
self.assertRaises(ValueError, Validate.lowercase, "thiscontainsOneuppercase")
self.assertRaises(ValueError, Validate.lowercase, "ALL UPPERCASE")
