def test_length(self):
default_length = 8
self.assertEqual(len(_generate_hex_verification_code()), default_length,
"Verification code length does not match "\
"default expected length of %d." % default_length)
self.assertEqual(len(_generate_hex_verification_code(length=10)), 10,
"Verification code length does not match expected length.")
self.assertRaises(ValueError, _generate_hex_verification_code, 33)
self.assertRaises(ValueError, _generate_hex_verification_code, 0)
self.assertRaises(ValueError, _generate_hex_verification_code, -1)
self.assertRaises(ValueError, _generate_hex_verification_code, 33)
self.assertRaises(TypeError, _generate_hex_verification_code, None)
self.assertRaises(TypeError, _generate_hex_verification_code, "")
def test_is_string(self):
self.assertTrue(is_bytes(_generate_hex_verification_code()),
"Verification code is not a byte string.")
def test_uniqueness(self):
self.assertNotEqual(_generate_hex_verification_code(),
_generate_hex_verification_code(),
"Verification code is not unique.")
