TypeError: test_admin_login() missing 1 required positional argument: ‘self’

I’m writing test cases for my Django-based rest APIs. The problem is in the method of testcase class. I want to use test_admin_login method in the setuptestdata method. And I’m unable to do that. I’m getting error that I mentioned in the title.

class MyTests(TestCase):
    allow_database_queries: True
    client = APIClient()

    @classmethod
    def setUpTestData(cls):
        # client = APIClient()
        # AUTHENTICATION 
        # response = cls.client.post(reverse('auth'),data={"username":"admin","password":"ppoopp00"},format='json')
        value = cls.test_admin_login()
        print(value)
        cls.auth_token = cls.test_admin_login(cls)

        # CREATE PROJECT
        response = cls.client.post(
            reverse('projects:project_create'),
            data={"platform_subscriber_entity":"NucoinTest"},
            format='json', 
            HTTP_AUTHORIZATION="JWT "+cls.auth_token
            
        )
        cls.project_key  = response.data["platform_subscriber_id"]


    def test_admin_login(self):
        """
        Ensure we can create a new account object.
        """
        url = reverse('auth')
        response = self.client.post(url,data={"username":"admin","password":"testpass"},format='json')
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(len(response.data), 2)
        return response.data["access"]

Answer

if any function needs the self this means you need to create an instance of it first to use it and you use cls not an instance so all you need is to create an instance

cls().test_admin_login(cls)

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Answer