def test_should_assign_email_to_promo_code_if_emails_does_not_exists(self):
responses.add(**self.mock_kwargs)
ser = PromoCodeSerializer(data={'email': '*****@*****.**'})
self.assertTrue(ser.is_valid())
new_pc = ser.save()
self.assertEqual(new_pc.email, '*****@*****.**')
def test_should_not_assign_email_to_promo_code_if_email_exists(self):
responses.add(**self.mock_kwargs)
pc = mommy.make('promo_code.PromoCode', email='*****@*****.**')
ser = PromoCodeSerializer(data={'email': '*****@*****.**'})
self.assertTrue(ser.is_valid())
new_pc = ser.save()
self.assertEqual(pc.pk, new_pc.pk)
