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synapse/tests/rest/client/test_third_party_rules.py
Richard van der Hoff a024461130
Additional tests for third-party event rules (#8468)
* Optimise and test state fetching for 3p event rules

Getting all the events at once is much more efficient than getting them
individually

* Test that 3p event rules can modify events
2020-10-06 16:31:31 +01:00

144 lines
4.8 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2019 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.
import threading
from mock import Mock
from synapse.events import EventBase
from synapse.rest import admin
from synapse.rest.client.v1 import login, room
from synapse.types import Requester, StateMap
from tests import unittest
thread_local = threading.local()
class ThirdPartyRulesTestModule:
def __init__(self, config, module_api):
# keep a record of the "current" rules module, so that the test can patch
# it if desired.
thread_local.rules_module = self
async def on_create_room(
self, requester: Requester, config: dict, is_requester_admin: bool
):
return True
async def check_event_allowed(self, event: EventBase, state: StateMap[EventBase]):
return True
@staticmethod
def parse_config(config):
return config
def current_rules_module() -> ThirdPartyRulesTestModule:
return thread_local.rules_module
class ThirdPartyRulesTestCase(unittest.HomeserverTestCase):
servlets = [
admin.register_servlets,
login.register_servlets,
room.register_servlets,
]
def default_config(self):
config = super().default_config()
config["third_party_event_rules"] = {
"module": __name__ + ".ThirdPartyRulesTestModule",
"config": {},
}
return config
def prepare(self, reactor, clock, homeserver):
# Create a user and room to play with during the tests
self.user_id = self.register_user("kermit", "monkey")
self.tok = self.login("kermit", "monkey")
self.room_id = self.helper.create_room_as(self.user_id, tok=self.tok)
def test_third_party_rules(self):
"""Tests that a forbidden event is forbidden from being sent, but an allowed one
can be sent.
"""
# patch the rules module with a Mock which will return False for some event
# types
async def check(ev, state):
return ev.type != "foo.bar.forbidden"
callback = Mock(spec=[], side_effect=check)
current_rules_module().check_event_allowed = callback
request, channel = self.make_request(
"PUT",
"/_matrix/client/r0/rooms/%s/send/foo.bar.allowed/1" % self.room_id,
{},
access_token=self.tok,
)
self.render(request)
self.assertEquals(channel.result["code"], b"200", channel.result)
callback.assert_called_once()
# there should be various state events in the state arg: do some basic checks
state_arg = callback.call_args[0][1]
for k in (("m.room.create", ""), ("m.room.member", self.user_id)):
self.assertIn(k, state_arg)
ev = state_arg[k]
self.assertEqual(ev.type, k[0])
self.assertEqual(ev.state_key, k[1])
request, channel = self.make_request(
"PUT",
"/_matrix/client/r0/rooms/%s/send/foo.bar.forbidden/1" % self.room_id,
{},
access_token=self.tok,
)
self.render(request)
self.assertEquals(channel.result["code"], b"403", channel.result)
def test_modify_event(self):
"""Tests that the module can successfully tweak an event before it is persisted.
"""
# first patch the event checker so that it will modify the event
async def check(ev: EventBase, state):
ev.content = {"x": "y"}
return True
current_rules_module().check_event_allowed = check
# now send the event
request, channel = self.make_request(
"PUT",
"/_matrix/client/r0/rooms/%s/send/modifyme/1" % self.room_id,
{"x": "x"},
access_token=self.tok,
)
self.render(request)
self.assertEqual(channel.result["code"], b"200", channel.result)
event_id = channel.json_body["event_id"]
# ... and check that it got modified
request, channel = self.make_request(
"GET",
"/_matrix/client/r0/rooms/%s/event/%s" % (self.room_id, event_id),
access_token=self.tok,
)
self.render(request)
self.assertEqual(channel.result["code"], b"200", channel.result)
ev = channel.json_body
self.assertEqual(ev["content"]["x"], "y")