Pytest auto_login fixture

conftest.py

import pytest

@pytest.fixture
def password():
    return 'my-password-is-stronger-than-yours'


@pytest.fixture
def create_user(db, django_user_model, password):
    def _user(**kwargs):
        kwargs['password'] = password
        if 'username' not in kwargs:
            kwargs['username'] = "test_user"
        # Un-comment if you use email as USERNAME_FIELD
        # if 'email' not in kwargs:
            # kwargs['email'] = "test_user@email.com"
        return django_user_model.objects.create_user(**kwargs)
    
    return _user


@pytest.fixture
def auto_login_user(db, client, create_user):
    def _login(user=None):
        if user is None:
            # pass is_superuser, is_staff or other user fields to create_user()
            user = create_user()
        login = client.login(username=user.username, email=user.email, password=user.password)
        if not login:
            # Login failed, force login
            client.force_login(user)
        return client, user
    
    return _login