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# Copyright 2021 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import Iterable, Optional, Tuple
from synapse.api.constants import EventTypes, Membership
from synapse.api.room_versions import RoomVersions
from synapse.events import FrozenEvent
from synapse.push.presentable_names import calculate_room_name
from synapse.types import StateKey, StateMap
from tests import unittest
class MockDataStore:
"""
A fake data store which stores a mapping of state key to event content.
(I.e. the state key is used as the event ID.)
"""
def __init__(self, events: Iterable[Tuple[StateKey, dict]]):
"""
Args:
events: A state map to event contents.
"""
self._events = {}
for i, (event_id, content) in enumerate(events):
self._events[event_id] = FrozenEvent(
{
"event_id": "$event_id",
"type": event_id[0],
"sender": "@user:test",
"state_key": event_id[1],
"room_id": "#room:test",
"content": content,
"origin_server_ts": i,
},
RoomVersions.V1,
)
async def get_event(
self, event_id: StateKey, allow_none: bool = False
) -> Optional[FrozenEvent]:
assert allow_none, "Mock not configured for allow_none = False"
return self._events.get(event_id)
async def get_events(self, event_ids: Iterable[StateKey]):
# This is cheating since it just returns all events.
return self._events
class PresentableNamesTestCase(unittest.HomeserverTestCase):
USER_ID = "@test:test"
OTHER_USER_ID = "@user:test"
def _calculate_room_name(
self,
events: StateMap[dict],
user_id: str = "",
fallback_to_members: bool = True,
fallback_to_single_member: bool = True,
):
# This isn't 100% accurate, but works with MockDataStore.
room_state_ids = {k[0]: k[0] for k in events}
return self.get_success(
calculate_room_name(
MockDataStore(events),
room_state_ids,
user_id or self.USER_ID,
fallback_to_members,
fallback_to_single_member,
)
)
def test_name(self):
"""A room name event should be used."""
events = [
((EventTypes.Name, ""), {"name": "test-name"}),
]
self.assertEqual("test-name", self._calculate_room_name(events))
# Check if the event content has garbage.
events = [((EventTypes.Name, ""), {"foo": 1})]
self.assertEqual("Empty Room", self._calculate_room_name(events))
events = [((EventTypes.Name, ""), {"name": 1})]
self.assertEqual(1, self._calculate_room_name(events))
def test_canonical_alias(self):
"""An canonical alias should be used."""
events = [
((EventTypes.CanonicalAlias, ""), {"alias": "#test-name:test"}),
]
self.assertEqual("#test-name:test", self._calculate_room_name(events))
# Check if the event content has garbage.
events = [((EventTypes.CanonicalAlias, ""), {"foo": 1})]
self.assertEqual("Empty Room", self._calculate_room_name(events))
events = [((EventTypes.CanonicalAlias, ""), {"alias": "test-name"})]
self.assertEqual("Empty Room", self._calculate_room_name(events))
def test_invite(self):
"""An invite has special behaviour."""
events = [
((EventTypes.Member, self.USER_ID), {"membership": Membership.INVITE}),
((EventTypes.Member, self.OTHER_USER_ID), {"displayname": "Other User"}),
]
self.assertEqual("Invite from Other User", self._calculate_room_name(events))
self.assertIsNone(
self._calculate_room_name(events, fallback_to_single_member=False)
)
# Ensure this logic is skipped if we don't fallback to members.
self.assertIsNone(self._calculate_room_name(events, fallback_to_members=False))
# Check if the event content has garbage.
events = [
((EventTypes.Member, self.USER_ID), {"membership": Membership.INVITE}),
((EventTypes.Member, self.OTHER_USER_ID), {"foo": 1}),
]
self.assertEqual("Invite from @user:test", self._calculate_room_name(events))
# No member event for sender.
events = [
((EventTypes.Member, self.USER_ID), {"membership": Membership.INVITE}),
]
self.assertEqual("Room Invite", self._calculate_room_name(events))
def test_no_members(self):
"""Behaviour of an empty room."""
events = []
self.assertEqual("Empty Room", self._calculate_room_name(events))
# Note that events with invalid (or missing) membership are ignored.
events = [
((EventTypes.Member, self.OTHER_USER_ID), {"foo": 1}),
((EventTypes.Member, "@foo:test"), {"membership": "foo"}),
]
self.assertEqual("Empty Room", self._calculate_room_name(events))
def test_no_other_members(self):
"""Behaviour of a room with no other members in it."""
events = [
(
(EventTypes.Member, self.USER_ID),
{"membership": Membership.JOIN, "displayname": "Me"},
),
]
self.assertEqual("Me", self._calculate_room_name(events))
# Check if the event content has no displayname.
events = [
((EventTypes.Member, self.USER_ID), {"membership": Membership.JOIN}),
]
self.assertEqual("@test:test", self._calculate_room_name(events))
# 3pid invite, use the other user (who is set as the sender).
events = [
((EventTypes.Member, self.OTHER_USER_ID), {"membership": Membership.JOIN}),
]
self.assertEqual(
"nobody", self._calculate_room_name(events, user_id=self.OTHER_USER_ID)
)
events = [
((EventTypes.Member, self.OTHER_USER_ID), {"membership": Membership.JOIN}),
((EventTypes.ThirdPartyInvite, self.OTHER_USER_ID), {}),
]
self.assertEqual(
"Inviting email address",
self._calculate_room_name(events, user_id=self.OTHER_USER_ID),
)
def test_one_other_member(self):
"""Behaviour of a room with a single other member."""
events = [
((EventTypes.Member, self.USER_ID), {"membership": Membership.JOIN}),
(
(EventTypes.Member, self.OTHER_USER_ID),
{"membership": Membership.JOIN, "displayname": "Other User"},
),
]
self.assertEqual("Other User", self._calculate_room_name(events))
self.assertIsNone(
self._calculate_room_name(events, fallback_to_single_member=False)
)
# Check if the event content has no displayname and is an invite.
events = [
((EventTypes.Member, self.USER_ID), {"membership": Membership.JOIN}),
(
(EventTypes.Member, self.OTHER_USER_ID),
{"membership": Membership.INVITE},
),
]
self.assertEqual("@user:test", self._calculate_room_name(events))
def test_other_members(self):
"""Behaviour of a room with multiple other members."""
# Two other members.
events = [
((EventTypes.Member, self.USER_ID), {"membership": Membership.JOIN}),
(
(EventTypes.Member, self.OTHER_USER_ID),
{"membership": Membership.JOIN, "displayname": "Other User"},
),
((EventTypes.Member, "@foo:test"), {"membership": Membership.JOIN}),
]
self.assertEqual("Other User and @foo:test", self._calculate_room_name(events))
# Three or more other members.
events.append(
((EventTypes.Member, "@fourth:test"), {"membership": Membership.INVITE})
)
self.assertEqual("Other User and 2 others", self._calculate_room_name(events))
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