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synapse/tests/storage/test_purge.py
2018-08-31 00:19:58 +10:00

106 lines
3.8 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2018 New Vector Ltd
#
# 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 synapse.rest.client.v1 import room
from tests.unittest import HomeserverTestCase
class PurgeTests(HomeserverTestCase):
user_id = "@red:server"
servlets = [room.register_servlets]
def make_homeserver(self, reactor, clock):
hs = self.setup_test_homeserver("server", http_client=None)
return hs
def prepare(self, reactor, clock, hs):
self.room_id = self.helper.create_room_as(self.user_id)
def test_purge(self):
"""
Purging a room will delete everything before the topological point.
"""
# Send four messages to the room
first = self.helper.send(self.room_id, body="test1")
second = self.helper.send(self.room_id, body="test2")
third = self.helper.send(self.room_id, body="test3")
last = self.helper.send(self.room_id, body="test4")
storage = self.hs.get_datastore()
# Get the topological token
event = storage.get_topological_token_for_event(last["event_id"])
self.pump()
event = self.successResultOf(event)
# Purge everything before this topological token
purge = storage.purge_history(self.room_id, event, True)
self.pump()
self.assertEqual(self.successResultOf(purge), None)
# Try and get the events
get_first = storage.get_event(first["event_id"])
get_second = storage.get_event(second["event_id"])
get_third = storage.get_event(third["event_id"])
get_last = storage.get_event(last["event_id"])
self.pump()
# 1-3 should fail and last will succeed, meaning that 1-3 are deleted
# and last is not.
self.failureResultOf(get_first)
self.failureResultOf(get_second)
self.failureResultOf(get_third)
self.successResultOf(get_last)
def test_purge_wont_delete_extrems(self):
"""
Purging a room will delete everything before the topological point.
"""
# Send four messages to the room
first = self.helper.send(self.room_id, body="test1")
second = self.helper.send(self.room_id, body="test2")
third = self.helper.send(self.room_id, body="test3")
last = self.helper.send(self.room_id, body="test4")
storage = self.hs.get_datastore()
# Set the topological token higher than it should be
event = storage.get_topological_token_for_event(last["event_id"])
self.pump()
event = self.successResultOf(event)
event = "t{}-{}".format(
*list(map(lambda x: x + 1, map(int, event[1:].split("-"))))
)
# Purge everything before this topological token
purge = storage.purge_history(self.room_id, event, True)
self.pump()
f = self.failureResultOf(purge)
self.assertIn("greater than forward", f.value.args[0])
# Try and get the events
get_first = storage.get_event(first["event_id"])
get_second = storage.get_event(second["event_id"])
get_third = storage.get_event(third["event_id"])
get_last = storage.get_event(last["event_id"])
self.pump()
# Nothing is deleted.
self.successResultOf(get_first)
self.successResultOf(get_second)
self.successResultOf(get_third)
self.successResultOf(get_last)