Feature: OIDC & social authentication (#5190)

---------

Co-authored-by: Moritz Pflanzer <moritz@chickadee-engineering.com>
Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/paperless/tests/test_adapter.py

@@ -0,0 +1,43 @@
+from allauth.account.adapter import get_adapter
+from allauth.socialaccount.adapter import get_adapter as get_social_adapter
+from django.conf import settings
+from django.test import TestCase
+from django.urls import reverse
+
+
+class TestCustomAccountAdapter(TestCase):
+    def test_is_open_for_signup(self):
+        adapter = get_adapter()
+
+        # Test when ACCOUNT_ALLOW_SIGNUPS is True
+        settings.ACCOUNT_ALLOW_SIGNUPS = True
+        self.assertTrue(adapter.is_open_for_signup(None))
+
+        # Test when ACCOUNT_ALLOW_SIGNUPS is False
+        settings.ACCOUNT_ALLOW_SIGNUPS = False
+        self.assertFalse(adapter.is_open_for_signup(None))
+
+
+class TestCustomSocialAccountAdapter(TestCase):
+    def test_is_open_for_signup(self):
+        adapter = get_social_adapter()
+
+        # Test when SOCIALACCOUNT_ALLOW_SIGNUPS is True
+        settings.SOCIALACCOUNT_ALLOW_SIGNUPS = True
+        self.assertTrue(adapter.is_open_for_signup(None, None))
+
+        # Test when SOCIALACCOUNT_ALLOW_SIGNUPS is False
+        settings.SOCIALACCOUNT_ALLOW_SIGNUPS = False
+        self.assertFalse(adapter.is_open_for_signup(None, None))
+
+    def test_get_connect_redirect_url(self):
+        adapter = get_social_adapter()
+        request = None
+        socialaccount = None
+
+        # Test the default URL
+        expected_url = reverse("base")
+        self.assertEqual(
+            adapter.get_connect_redirect_url(request, socialaccount),
+            expected_url,
+        )