diff --git a/tests/rest/client/test_rooms.py b/tests/rest/client/test_rooms.py
index 50100a5ae4..5a01765f4d 100644
--- a/tests/rest/client/test_rooms.py
+++ b/tests/rest/client/test_rooms.py
@@ -26,7 +26,7 @@ from twisted.internet import defer
import synapse.rest.admin
from synapse.api.constants import EventContentFields, EventTypes, Membership
-from synapse.api.errors import HttpResponseException
+from synapse.api.errors import Codes, HttpResponseException
from synapse.handlers.pagination import PurgeStatus
from synapse.rest import admin
from synapse.rest.client import account, directory, login, profile, room, sync
@@ -377,6 +377,91 @@ class RoomPermissionsTestCase(RoomBase):
expect_code=403,
)
+ # tests the "from banned" line from the table in https://spec.matrix.org/unstable/client-server-api/#mroommember
+ def test_member_event_from_ban(self):
+ room = self.created_rmid
+ self.helper.invite(room=room, src=self.rmcreator_id, targ=self.user_id)
+ self.helper.join(room=room, user=self.user_id)
+
+ other = "@burgundy:red"
+
+ # User cannot ban other since they do not have required power level
+ self.helper.change_membership(
+ room=room,
+ src=self.user_id,
+ targ=other,
+ membership=Membership.BAN,
+ expect_code=403, # expect failure
+ expect_errcode=Codes.FORBIDDEN,
+ )
+
+ # Admin bans other
+ self.helper.change_membership(
+ room=room,
+ src=self.rmcreator_id,
+ targ=other,
+ membership=Membership.BAN,
+ expect_code=200,
+ )
+
+ # from ban to invite: Must never happen.
+ self.helper.change_membership(
+ room=room,
+ src=self.rmcreator_id,
+ targ=other,
+ membership=Membership.INVITE,
+ expect_code=403, # expect failure
+ expect_errcode=Codes.BAD_STATE,
+ )
+
+ # from ban to join: Must never happen.
+ self.helper.change_membership(
+ room=room,
+ src=other,
+ targ=other,
+ membership=Membership.JOIN,
+ expect_code=403, # expect failure
+ expect_errcode=Codes.BAD_STATE,
+ )
+
+ # from ban to ban: No change.
+ self.helper.change_membership(
+ room=room,
+ src=self.rmcreator_id,
+ targ=other,
+ membership=Membership.BAN,
+ expect_code=200,
+ )
+
+ # from ban to knock: Must never happen.
+ self.helper.change_membership(
+ room=room,
+ src=self.rmcreator_id,
+ targ=other,
+ membership=Membership.KNOCK,
+ expect_code=403, # expect failure
+ expect_errcode=Codes.BAD_STATE,
+ )
+
+ # User cannot unban other since they do not have required power level
+ self.helper.change_membership(
+ room=room,
+ src=self.user_id,
+ targ=other,
+ membership=Membership.LEAVE,
+ expect_code=403, # expect failure
+ expect_errcode=Codes.FORBIDDEN,
+ )
+
+ # from ban to leave: User was unbanned.
+ self.helper.change_membership(
+ room=room,
+ src=self.rmcreator_id,
+ targ=other,
+ membership=Membership.LEAVE,
+ expect_code=200,
+ )
+
class RoomsMemberListTestCase(RoomBase):
"""Tests /rooms/$room_id/members/list REST events."""
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