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#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright 2021 The Matrix.org Foundation C.I.C.
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#
from typing import Iterable, List, Optional, Tuple, cast
from synapse.api.constants import EventTypes, Membership
from synapse.api.room_versions import RoomVersions
from synapse.events import EventBase, 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: str, allow_none: bool = False
) -> Optional[FrozenEvent]:
assert allow_none, "Mock not configured for allow_none = False"
# Decode the state key from the event ID.
state_key = cast(Tuple[str, str], tuple(event_id.split("|", 1)))
return self._events.get(state_key)
async def get_events(self, event_ids: Iterable[StateKey]) -> StateMap[EventBase]:
# 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: Iterable[Tuple[Tuple[str, str], dict]],
user_id: str = "",
fallback_to_members: bool = True,
fallback_to_single_member: bool = True,
) -> Optional[str]:
# Encode the state key into the event ID.
room_state_ids = {k[0]: "|".join(k[0]) for k in events}
return self.get_success(
calculate_room_name(
MockDataStore(events), # type: ignore[arg-type]
room_state_ids,
user_id or self.USER_ID,
fallback_to_members,
fallback_to_single_member,
)
)
def test_name(self) -> None:
"""A room name event should be used."""
events: List[Tuple[Tuple[str, str], dict]] = [
((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) -> None:
"""An canonical alias should be used."""
events: List[Tuple[Tuple[str, str], dict]] = [
((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) -> None:
"""An invite has special behaviour."""
events: List[Tuple[Tuple[str, str], dict]] = [
((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) -> None:
"""Behaviour of an empty room."""
events: List[Tuple[Tuple[str, str], dict]] = []
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) -> None:
"""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) -> None:
"""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) -> None:
"""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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