Optionally include account validity in MSC3720 account status responses (#12266)

tests/rest/client/test_account.py

@@ -31,7 +31,7 @@ from synapse.rest import admin
 from synapse.rest.client import account, login, register, room
 from synapse.rest.synapse.client.password_reset import PasswordResetSubmitTokenResource
 from synapse.server import HomeServer
-from synapse.types import JsonDict
+from synapse.types import JsonDict, UserID
 from synapse.util import Clock
 
 from tests import unittest
@@ -1222,6 +1222,62 @@ class AccountStatusTestCase(unittest.HomeserverTestCase):
             expected_failures=[users[2]],
         )
 
+    @unittest.override_config(
+        {
+            "use_account_validity_in_account_status": True,
+        }
+    )
+    def test_no_account_validity(self) -> None:
+        """Tests that if we decide to include account validity in the response but no
+        account validity 'is_user_expired' callback is provided, we default to marking all
+        users as not expired.
+        """
+        user = self.register_user("someuser", "password")
+
+        self._test_status(
+            users=[user],
+            expected_statuses={
+                user: {
+                    "exists": True,
+                    "deactivated": False,
+                    "org.matrix.expired": False,
+                },
+            },
+            expected_failures=[],
+        )
+
+    @unittest.override_config(
+        {
+            "use_account_validity_in_account_status": True,
+        }
+    )
+    def test_account_validity_expired(self) -> None:
+        """Test that if we decide to include account validity in the response and the user
+        is expired, we return the correct info.
+        """
+        user = self.register_user("someuser", "password")
+
+        async def is_expired(user_id: str) -> bool:
+            # We can't blindly say everyone is expired, otherwise the request to get the
+            # account status will fail.
+            return UserID.from_string(user_id).localpart == "someuser"
+
+        self.hs.get_account_validity_handler()._is_user_expired_callbacks.append(
+            is_expired
+        )
+
+        self._test_status(
+            users=[user],
+            expected_statuses={
+                user: {
+                    "exists": True,
+                    "deactivated": False,
+                    "org.matrix.expired": True,
+                },
+            },
+            expected_failures=[],
+        )
+
     def _test_status(
         self,
         users: Optional[List[str]],