fix: unbreak red API + group serializer tests

ietf/group/serializers.py

@@ -34,11 +34,11 @@ class AreaSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = Group
-        fields = ["acronym", "name", "type", "ads"]
+        fields = ["acronym", "name", "ads"]
 
     @extend_schema_field(AreaDirectorSerializer(many=True))
     def get_ads(self, area: Group):
         return AreaDirectorSerializer(
-            area.ads() if area.is_active else Role.objects.none(),
+            area.ads if area.is_active else Role.objects.none(),
             many=True,
         ).data

ietf/group/tests_serializers.py

@@ -0,0 +1,90 @@
+# Copyright The IETF Trust 2026, All Rights Reserved
+from ietf.group.factories import RoleFactory, GroupFactory
+from ietf.group.serializers import (
+    AreaDirectorSerializer,
+    AreaSerializer,
+    GroupSerializer,
+)
+from ietf.person.factories import EmailFactory
+from ietf.utils.test_utils import TestCase
+
+
+class GroupSerializerTests(TestCase):
+    def test_serializes(self):
+        wg = GroupFactory()
+        serialized = GroupSerializer(wg).data
+        self.assertEqual(
+            serialized,
+            {
+                "acronym": wg.acronym,
+                "name": wg.name,
+                "type": "wg",
+                "list_email": wg.list_email,
+            },
+        )
+
+
+class AreaDirectorSerializerTests(TestCase):
+    def test_serializes_role(self):
+        """Should serialize a Role correctly"""
+        role = RoleFactory(group__type_id="area", name_id="ad")
+        serialized = AreaDirectorSerializer(role).data
+        self.assertEqual(
+            serialized,
+            {"email": role.email.email_address()},
+        )
+
+    def test_serializes_email(self):
+        """Should serialize an Email correctly"""
+        email = EmailFactory()
+        serialized = AreaDirectorSerializer(email).data
+        self.assertEqual(
+            serialized,
+            {"email": email.email_address()},
+        )
+
+
+class AreaSerializerTests(TestCase):
+    def test_serializes_active_area(self):
+        """Should serialize an active area correctly"""
+        area = GroupFactory(type_id="area", state_id="active")
+        serialized = AreaSerializer(area).data
+        self.assertEqual(
+            serialized,
+            {
+                "acronym": area.acronym,
+                "name": area.name,
+                "ads": [],
+            },
+        )
+        ad_roles = RoleFactory.create_batch(2, group=area, name_id="ad")
+        serialized = AreaSerializer(area).data
+        self.assertEqual(serialized["acronym"], area.acronym)
+        self.assertEqual(serialized["name"], area.name)
+        self.assertCountEqual(
+            serialized["ads"],
+            [{"email": ad.email.email_address()} for ad in ad_roles],
+        )
+
+    def test_serializes_inactive_area(self):
+        """Should serialize an inactive area correctly"""
+        area = GroupFactory(type_id="area", state_id="conclude")
+        serialized = AreaSerializer(area).data
+        self.assertEqual(
+            serialized,
+            {
+                "acronym": area.acronym,
+                "name": area.name,
+                "ads": [],
+            },
+        )
+        RoleFactory.create_batch(2, group=area, name_id="ad")
+        serialized = AreaSerializer(area).data
+        self.assertEqual(
+            serialized,
+            {
+                "acronym": area.acronym,
+                "name": area.name,
+                "ads": [],
+            },
+        )