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authorDirk Klimpel <5740567+dklimpel@users.noreply.github.com>2022-08-30 11:58:38 +0200
committerGitHub <noreply@github.com>2022-08-30 09:58:38 +0000
commit682dfcfc0db05d9c99b7615d950997535df4d533 (patch)
treef89c16787f214105d36a7030dd97e4b865fd898c /tests
parentOptimize how we calculate `likely_domains` during backfill (#13575) (diff)
downloadsynapse-682dfcfc0db05d9c99b7615d950997535df4d533.tar.xz
Fix that user cannot `/forget` rooms after the last member has left (#13546)
Diffstat (limited to 'tests')
-rw-r--r--tests/handlers/test_room_member.py93
-rw-r--r--tests/storage/test_roommember.py4
2 files changed, 93 insertions, 4 deletions
diff --git a/tests/handlers/test_room_member.py b/tests/handlers/test_room_member.py
index 1d13ed1e88..6bbfd5dc84 100644
--- a/tests/handlers/test_room_member.py
+++ b/tests/handlers/test_room_member.py
@@ -6,7 +6,7 @@ import synapse.rest.admin
 import synapse.rest.client.login
 import synapse.rest.client.room
 from synapse.api.constants import EventTypes, Membership
-from synapse.api.errors import LimitExceededError
+from synapse.api.errors import LimitExceededError, SynapseError
 from synapse.crypto.event_signing import add_hashes_and_signatures
 from synapse.events import FrozenEventV3
 from synapse.federation.federation_client import SendJoinResult
@@ -17,7 +17,11 @@ from synapse.util import Clock
 from tests.replication._base import BaseMultiWorkerStreamTestCase
 from tests.server import make_request
 from tests.test_utils import make_awaitable
-from tests.unittest import FederatingHomeserverTestCase, override_config
+from tests.unittest import (
+    FederatingHomeserverTestCase,
+    HomeserverTestCase,
+    override_config,
+)
 
 
 class TestJoinsLimitedByPerRoomRateLimiter(FederatingHomeserverTestCase):
@@ -287,3 +291,88 @@ class TestReplicatedJoinsLimitedByPerRoomRateLimiter(BaseMultiWorkerStreamTestCa
             ),
             LimitExceededError,
         )
+
+
+class RoomMemberMasterHandlerTestCase(HomeserverTestCase):
+    servlets = [
+        synapse.rest.admin.register_servlets,
+        synapse.rest.client.login.register_servlets,
+        synapse.rest.client.room.register_servlets,
+    ]
+
+    def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
+        self.handler = hs.get_room_member_handler()
+        self.store = hs.get_datastores().main
+
+        # Create two users.
+        self.alice = self.register_user("alice", "pass")
+        self.alice_ID = UserID.from_string(self.alice)
+        self.alice_token = self.login("alice", "pass")
+        self.bob = self.register_user("bob", "pass")
+        self.bob_ID = UserID.from_string(self.bob)
+        self.bob_token = self.login("bob", "pass")
+
+        # Create a room on this homeserver.
+        self.room_id = self.helper.create_room_as(self.alice, tok=self.alice_token)
+
+    def test_leave_and_forget(self) -> None:
+        """Tests that forget a room is successfully. The test is performed with two users,
+        as forgetting by the last user respectively after all users had left the
+        is a special edge case."""
+        self.helper.join(self.room_id, user=self.bob, tok=self.bob_token)
+
+        # alice is not the last room member that leaves and forgets the room
+        self.helper.leave(self.room_id, user=self.alice, tok=self.alice_token)
+        self.get_success(self.handler.forget(self.alice_ID, self.room_id))
+        self.assertTrue(
+            self.get_success(self.store.did_forget(self.alice, self.room_id))
+        )
+
+        # the server has not forgotten the room
+        self.assertFalse(
+            self.get_success(self.store.is_locally_forgotten_room(self.room_id))
+        )
+
+    def test_leave_and_forget_last_user(self) -> None:
+        """Tests that forget a room is successfully when the last user has left the room."""
+
+        # alice is the last room member that leaves and forgets the room
+        self.helper.leave(self.room_id, user=self.alice, tok=self.alice_token)
+        self.get_success(self.handler.forget(self.alice_ID, self.room_id))
+        self.assertTrue(
+            self.get_success(self.store.did_forget(self.alice, self.room_id))
+        )
+
+        # the server has forgotten the room
+        self.assertTrue(
+            self.get_success(self.store.is_locally_forgotten_room(self.room_id))
+        )
+
+    def test_forget_when_not_left(self) -> None:
+        """Tests that a user cannot not forgets a room that has not left."""
+        self.get_failure(self.handler.forget(self.alice_ID, self.room_id), SynapseError)
+
+    def test_rejoin_forgotten_by_user(self) -> None:
+        """Test that a user that has forgotten a room can do a re-join.
+        The room was not forgotten from the local server.
+        One local user is still member of the room."""
+        self.helper.join(self.room_id, user=self.bob, tok=self.bob_token)
+
+        self.helper.leave(self.room_id, user=self.alice, tok=self.alice_token)
+        self.get_success(self.handler.forget(self.alice_ID, self.room_id))
+        self.assertTrue(
+            self.get_success(self.store.did_forget(self.alice, self.room_id))
+        )
+
+        # the server has not forgotten the room
+        self.assertFalse(
+            self.get_success(self.store.is_locally_forgotten_room(self.room_id))
+        )
+
+        self.helper.join(self.room_id, user=self.alice, tok=self.alice_token)
+        # TODO: A join to a room does not invalidate the forgotten cache
+        # see https://github.com/matrix-org/synapse/issues/13262
+        self.store.did_forget.invalidate_all()
+        self.assertFalse(
+            self.get_success(self.store.did_forget(self.alice, self.room_id))
+        )
diff --git a/tests/storage/test_roommember.py b/tests/storage/test_roommember.py
index ceec690285..8794401823 100644
--- a/tests/storage/test_roommember.py
+++ b/tests/storage/test_roommember.py
@@ -158,7 +158,7 @@ class RoomMemberStoreTestCase(unittest.HomeserverTestCase):
         # Check that alice's display name is now None
         self.assertEqual(row[0]["display_name"], None)
 
-    def test_room_is_locally_forgotten(self):
+    def test_room_is_locally_forgotten(self) -> None:
         """Test that when the last local user has forgotten a room it is known as forgotten."""
         # join two local and one remote user
         self.room = self.helper.create_room_as(self.u_alice, tok=self.t_alice)
@@ -199,7 +199,7 @@ class RoomMemberStoreTestCase(unittest.HomeserverTestCase):
             self.get_success(self.store.is_locally_forgotten_room(self.room))
         )
 
-    def test_join_locally_forgotten_room(self):
+    def test_join_locally_forgotten_room(self) -> None:
         """Tests if a user joins a forgotten room the room is not forgotten anymore."""
         self.room = self.helper.create_room_as(self.u_alice, tok=self.t_alice)
         self.assertFalse(