How do I test permissions in Django views?

How do I test permissions in Django views?

To test permissions in Django views, you can use the Django test framework along with the Client class to simulate requests.

Can you show me an example of a test case for a view with permissions?

Sure! Here's a simple example:

from django.test import TestCase, Client
from django.urls import reverse
from django.contrib.auth.models import User

class MyViewTests(TestCase):
    def setUp(self):
        self.client = Client()
        self.user = User.objects.create_user(username='testuser', password='testpass')

    def test_view_permission(self):
        response = self.client.get(reverse('my_view'))
        self.assertEqual(response.status_code, 403)  # Forbidden
        self.client.login(username='testuser', password='testpass')
        response = self.client.get(reverse('my_view'))
        self.assertEqual(response.status_code, 200)  # OK

This tests that the view is forbidden for unauthenticated users and accessible for authenticated ones.

What if I want to test a view that requires specific user permissions?

You can assign permissions to the user in your test setup. For example:

from django.contrib.auth.models import Permission

class MyViewTests(TestCase):
    def setUp(self):
        self.client = Client()
        self.user = User.objects.create_user(username='testuser', password='testpass')
        permission = Permission.objects.get(codename='can_access_my_view')
        self.user.user_permissions.add(permission)

    def test_view_with_permission(self):
        self.client.login(username='testuser', password='testpass')
        response = self.client.get(reverse('my_view'))
        self.assertEqual(response.status_code, 200)  # OK

This way, you can test views that require specific permissions.