def test_user_already_exists_username(self):
UserFactory.create(username=self.username)
with self.assertRaisesRegex(
CommandError, 'User {} already exists'.format(self.username)):
call_command(self.command, self.username, email=self.email)
def test_user_already_exists_email(self):
UserFactory.create(email=self.email)
call_command(self.command, self.username, email=self.email)
user = User.objects.get(username=self.username)
self.assert_user(user, expected_email=self.email)