mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-12-10 09:34:21 -05:00
98 lines
3.3 KiB
Python
98 lines
3.3 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.
|
||
|
from synapse.config.homeserver import HomeServerConfig
|
||
|
from synapse.util.ratelimitutils import FederationRateLimiter
|
||
|
|
||
|
from tests.server import get_clock
|
||
|
from tests.unittest import TestCase
|
||
|
from tests.utils import default_config
|
||
|
|
||
|
|
||
|
class FederationRateLimiterTestCase(TestCase):
|
||
|
def test_ratelimit(self):
|
||
|
"""A simple test with the default values"""
|
||
|
reactor, clock = get_clock()
|
||
|
rc_config = build_rc_config()
|
||
|
ratelimiter = FederationRateLimiter(clock, rc_config)
|
||
|
|
||
|
with ratelimiter.ratelimit("testhost") as d1:
|
||
|
# shouldn't block
|
||
|
self.successResultOf(d1)
|
||
|
|
||
|
def test_concurrent_limit(self):
|
||
|
"""Test what happens when we hit the concurrent limit"""
|
||
|
reactor, clock = get_clock()
|
||
|
rc_config = build_rc_config({"rc_federation": {"concurrent": 2}})
|
||
|
ratelimiter = FederationRateLimiter(clock, rc_config)
|
||
|
|
||
|
with ratelimiter.ratelimit("testhost") as d1:
|
||
|
# shouldn't block
|
||
|
self.successResultOf(d1)
|
||
|
|
||
|
cm2 = ratelimiter.ratelimit("testhost")
|
||
|
d2 = cm2.__enter__()
|
||
|
# also shouldn't block
|
||
|
self.successResultOf(d2)
|
||
|
|
||
|
cm3 = ratelimiter.ratelimit("testhost")
|
||
|
d3 = cm3.__enter__()
|
||
|
# this one should block, though ...
|
||
|
self.assertNoResult(d3)
|
||
|
|
||
|
# ... until we complete an earlier request
|
||
|
cm2.__exit__(None, None, None)
|
||
|
self.successResultOf(d3)
|
||
|
|
||
|
def test_sleep_limit(self):
|
||
|
"""Test what happens when we hit the sleep limit"""
|
||
|
reactor, clock = get_clock()
|
||
|
rc_config = build_rc_config(
|
||
|
{"rc_federation": {"sleep_limit": 2, "sleep_delay": 500}}
|
||
|
)
|
||
|
ratelimiter = FederationRateLimiter(clock, rc_config)
|
||
|
|
||
|
with ratelimiter.ratelimit("testhost") as d1:
|
||
|
# shouldn't block
|
||
|
self.successResultOf(d1)
|
||
|
|
||
|
with ratelimiter.ratelimit("testhost") as d2:
|
||
|
# nor this
|
||
|
self.successResultOf(d2)
|
||
|
|
||
|
with ratelimiter.ratelimit("testhost") as d3:
|
||
|
# this one should block, though ...
|
||
|
self.assertNoResult(d3)
|
||
|
sleep_time = _await_resolution(reactor, d3)
|
||
|
self.assertAlmostEqual(sleep_time, 500, places=3)
|
||
|
|
||
|
|
||
|
def _await_resolution(reactor, d):
|
||
|
"""advance the clock until the deferred completes.
|
||
|
|
||
|
Returns the number of milliseconds it took to complete.
|
||
|
"""
|
||
|
start_time = reactor.seconds()
|
||
|
while not d.called:
|
||
|
reactor.advance(0.01)
|
||
|
return (reactor.seconds() - start_time) * 1000
|
||
|
|
||
|
|
||
|
def build_rc_config(settings={}):
|
||
|
config_dict = default_config("test")
|
||
|
config_dict.update(settings)
|
||
|
config = HomeServerConfig()
|
||
|
config.parse_config_dict(config_dict, "", "")
|
||
|
return config.rc_federation
|