def test_unicode(self):
        device = PhoneDevice(name='unknown')
        self.assertEqual('unknown (None)', str(device))

        user = User.objects.create_user('bouke')
        device.user = user
        self.assertEqual('unknown (bouke)', str(device))

 def test_verify(self):
     for no_digits in (6, 8):
         with self.settings(TWO_FACTOR_TOTP_DIGITS=no_digits):
             device = PhoneDevice(key=random_hex().decode())
             self.assertFalse(device.verify_token(-1))
             self.assertFalse(device.verify_token('foobar'))
             self.assertTrue(device.verify_token(totp(device.bin_key, digits=no_digits)))

 def test_verify_token_as_string(self):
     """
     The field used to read the token may be a CharField,
     so the PhoneDevice must be able to validate tokens
     read as strings
     """
     device = PhoneDevice(key=random_hex().decode())
     self.assertTrue(device.verify_token(str(totp(device.bin_key))))

 def test_verify_token_as_string(self):
     """
     The field used to read the token may be a CharField,
     so the PhoneDevice must be able to validate tokens
     read as strings
     """
     for no_digits in (6, 8):
         with self.settings(TWO_FACTOR_TOTP_DIGITS=no_digits):
             device = PhoneDevice(key=random_hex().decode())
             self.assertTrue(device.verify_token(str(totp(device.bin_key, digits=no_digits))))

 def create_default_device(self, user_profile: UserProfile,
                           number: str="+12223334444") -> None:
     phone_device = PhoneDevice(user=user_profile, name='default',
                                confirmed=True, number=number,
                                key='abcd', method='sms')
     phone_device.save()

    def test_unicode(self):
        device = PhoneDevice(name='unknown')
        self.assertEqual('unknown (None)', str(device))

        device.user = self.create_user()
        self.assertEqual('unknown ([email protected])', str(device))

 def test_verify(self):
     device = PhoneDevice(key=random_hex().decode())
     self.assertFalse(device.verify_token(-1))
     self.assertTrue(device.verify_token(totp(device.bin_key)))