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254 lines
9.1 KiB
Python
254 lines
9.1 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from unittest.mock import AsyncMock
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from synapse.api.errors import Codes, SynapseError
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from synapse.rest import admin
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from synapse.rest.client import login, room
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from synapse.types import JsonDict, UserID, create_requester
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from tests import unittest
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class RoomComplexityTests(unittest.FederatingHomeserverTestCase):
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servlets = [
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admin.register_servlets,
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room.register_servlets,
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login.register_servlets,
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]
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def default_config(self) -> JsonDict:
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config = super().default_config()
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config["limit_remote_rooms"] = {"enabled": True, "complexity": 0.05}
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return config
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def test_complexity_simple(self) -> None:
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u1 = self.register_user("u1", "pass")
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u1_token = self.login("u1", "pass")
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room_1 = self.helper.create_room_as(u1, tok=u1_token)
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self.helper.send_state(
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room_1, event_type="m.room.topic", body={"topic": "foo"}, tok=u1_token
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)
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# Get the room complexity
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channel = self.make_signed_federation_request(
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"GET", "/_matrix/federation/unstable/rooms/%s/complexity" % (room_1,)
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)
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self.assertEqual(200, channel.code)
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complexity = channel.json_body["v1"]
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self.assertTrue(complexity > 0, complexity)
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# Artificially raise the complexity
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store = self.hs.get_datastores().main
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async def get_current_state_event_counts(room_id: str) -> int:
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return int(500 * 1.23)
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store.get_current_state_event_counts = get_current_state_event_counts # type: ignore[method-assign]
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# Get the room complexity again -- make sure it's our artificial value
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channel = self.make_signed_federation_request(
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"GET", "/_matrix/federation/unstable/rooms/%s/complexity" % (room_1,)
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)
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self.assertEqual(200, channel.code)
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complexity = channel.json_body["v1"]
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self.assertEqual(complexity, 1.23)
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def test_join_too_large(self) -> None:
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u1 = self.register_user("u1", "pass")
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handler = self.hs.get_room_member_handler()
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fed_transport = self.hs.get_federation_transport_client()
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# Mock out some things, because we don't want to test the whole join
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fed_transport.client.get_json = AsyncMock(return_value={"v1": 9999}) # type: ignore[method-assign]
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handler.federation_handler.do_invite_join = AsyncMock( # type: ignore[method-assign]
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return_value=("", 1)
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)
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d = handler._remote_join(
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create_requester(u1),
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["other.example.com"],
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"roomid",
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UserID.from_string(u1),
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{"membership": "join"},
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)
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self.pump()
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# The request failed with a SynapseError saying the resource limit was
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# exceeded.
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f = self.get_failure(d, SynapseError)
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self.assertEqual(f.value.code, 400, f.value)
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self.assertEqual(f.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
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def test_join_too_large_admin(self) -> None:
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# Check whether an admin can join if option "admins_can_join" is undefined,
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# this option defaults to false, so the join should fail.
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u1 = self.register_user("u1", "pass", admin=True)
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handler = self.hs.get_room_member_handler()
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fed_transport = self.hs.get_federation_transport_client()
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# Mock out some things, because we don't want to test the whole join
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fed_transport.client.get_json = AsyncMock(return_value={"v1": 9999}) # type: ignore[method-assign]
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handler.federation_handler.do_invite_join = AsyncMock( # type: ignore[method-assign]
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return_value=("", 1)
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)
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d = handler._remote_join(
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create_requester(u1),
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["other.example.com"],
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"roomid",
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UserID.from_string(u1),
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{"membership": "join"},
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)
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self.pump()
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# The request failed with a SynapseError saying the resource limit was
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# exceeded.
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f = self.get_failure(d, SynapseError)
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self.assertEqual(f.value.code, 400, f.value)
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self.assertEqual(f.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
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def test_join_too_large_once_joined(self) -> None:
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u1 = self.register_user("u1", "pass")
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u1_token = self.login("u1", "pass")
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# Ok, this might seem a bit weird -- I want to test that we actually
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# leave the room, but I don't want to simulate two servers. So, we make
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# a local room, which we say we're joining remotely, even if there's no
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# remote, because we mock that out. Then, we'll leave the (actually
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# local) room, which will be propagated over federation in a real
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# scenario.
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room_1 = self.helper.create_room_as(u1, tok=u1_token)
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handler = self.hs.get_room_member_handler()
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fed_transport = self.hs.get_federation_transport_client()
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# Mock out some things, because we don't want to test the whole join
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fed_transport.client.get_json = AsyncMock(return_value=None) # type: ignore[method-assign]
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handler.federation_handler.do_invite_join = AsyncMock( # type: ignore[method-assign]
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return_value=("", 1)
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)
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# Artificially raise the complexity
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async def get_current_state_event_counts(room_id: str) -> int:
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return 600
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self.hs.get_datastores().main.get_current_state_event_counts = get_current_state_event_counts # type: ignore[method-assign]
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d = handler._remote_join(
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create_requester(u1),
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["other.example.com"],
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room_1,
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UserID.from_string(u1),
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{"membership": "join"},
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)
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self.pump()
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# The request failed with a SynapseError saying the resource limit was
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# exceeded.
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f = self.get_failure(d, SynapseError)
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self.assertEqual(f.value.code, 400)
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self.assertEqual(f.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
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class RoomComplexityAdminTests(unittest.FederatingHomeserverTestCase):
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# Test the behavior of joining rooms which exceed the complexity if option
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# limit_remote_rooms.admins_can_join is True.
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servlets = [
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admin.register_servlets,
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room.register_servlets,
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login.register_servlets,
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]
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def default_config(self) -> JsonDict:
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config = super().default_config()
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config["limit_remote_rooms"] = {
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"enabled": True,
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"complexity": 0.05,
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"admins_can_join": True,
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}
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return config
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def test_join_too_large_no_admin(self) -> None:
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# A user which is not an admin should not be able to join a remote room
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# which is too complex.
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u1 = self.register_user("u1", "pass")
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handler = self.hs.get_room_member_handler()
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fed_transport = self.hs.get_federation_transport_client()
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# Mock out some things, because we don't want to test the whole join
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fed_transport.client.get_json = AsyncMock(return_value={"v1": 9999}) # type: ignore[method-assign]
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handler.federation_handler.do_invite_join = AsyncMock( # type: ignore[method-assign]
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return_value=("", 1)
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)
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d = handler._remote_join(
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create_requester(u1),
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["other.example.com"],
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"roomid",
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UserID.from_string(u1),
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{"membership": "join"},
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)
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self.pump()
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# The request failed with a SynapseError saying the resource limit was
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# exceeded.
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f = self.get_failure(d, SynapseError)
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self.assertEqual(f.value.code, 400, f.value)
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self.assertEqual(f.value.errcode, Codes.RESOURCE_LIMIT_EXCEEDED)
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def test_join_too_large_admin(self) -> None:
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# An admin should be able to join rooms where a complexity check fails.
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u1 = self.register_user("u1", "pass", admin=True)
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handler = self.hs.get_room_member_handler()
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fed_transport = self.hs.get_federation_transport_client()
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# Mock out some things, because we don't want to test the whole join
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fed_transport.client.get_json = AsyncMock(return_value={"v1": 9999}) # type: ignore[method-assign]
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handler.federation_handler.do_invite_join = AsyncMock( # type: ignore[method-assign]
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return_value=("", 1)
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)
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d = handler._remote_join(
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create_requester(u1),
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["other.example.com"],
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"roomid",
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UserID.from_string(u1),
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{"membership": "join"},
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)
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self.pump()
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# The request success since the user is an admin
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self.get_success(d)
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