85 lines
2.7 KiB
Python
85 lines
2.7 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
# Copyright 2017 OpenMarket 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 .. import unittest
|
||
|
|
|
||
|
|
from synapse.util.caches.expiringcache import ExpiringCache
|
||
|
|
|
||
|
|
from tests.utils import MockClock
|
||
|
|
|
||
|
|
|
||
|
|
class ExpiringCacheTestCase(unittest.TestCase):
|
||
|
|
|
||
|
|
def test_get_set(self):
|
||
|
|
clock = MockClock()
|
||
|
|
cache = ExpiringCache("test", clock, max_len=1)
|
||
|
|
|
||
|
|
cache["key"] = "value"
|
||
|
|
self.assertEquals(cache.get("key"), "value")
|
||
|
|
self.assertEquals(cache["key"], "value")
|
||
|
|
|
||
|
|
def test_eviction(self):
|
||
|
|
clock = MockClock()
|
||
|
|
cache = ExpiringCache("test", clock, max_len=2)
|
||
|
|
|
||
|
|
cache["key"] = "value"
|
||
|
|
cache["key2"] = "value2"
|
||
|
|
self.assertEquals(cache.get("key"), "value")
|
||
|
|
self.assertEquals(cache.get("key2"), "value2")
|
||
|
|
|
||
|
|
cache["key3"] = "value3"
|
||
|
|
self.assertEquals(cache.get("key"), None)
|
||
|
|
self.assertEquals(cache.get("key2"), "value2")
|
||
|
|
self.assertEquals(cache.get("key3"), "value3")
|
||
|
|
|
||
|
|
def test_iterable_eviction(self):
|
||
|
|
clock = MockClock()
|
||
|
|
cache = ExpiringCache("test", clock, max_len=5, iterable=True)
|
||
|
|
|
||
|
|
cache["key"] = [1]
|
||
|
|
cache["key2"] = [2, 3]
|
||
|
|
cache["key3"] = [4, 5]
|
||
|
|
|
||
|
|
self.assertEquals(cache.get("key"), [1])
|
||
|
|
self.assertEquals(cache.get("key2"), [2, 3])
|
||
|
|
self.assertEquals(cache.get("key3"), [4, 5])
|
||
|
|
|
||
|
|
cache["key4"] = [6, 7]
|
||
|
|
self.assertEquals(cache.get("key"), None)
|
||
|
|
self.assertEquals(cache.get("key2"), None)
|
||
|
|
self.assertEquals(cache.get("key3"), [4, 5])
|
||
|
|
self.assertEquals(cache.get("key4"), [6, 7])
|
||
|
|
|
||
|
|
def test_time_eviction(self):
|
||
|
|
clock = MockClock()
|
||
|
|
cache = ExpiringCache("test", clock, expiry_ms=1000)
|
||
|
|
cache.start()
|
||
|
|
|
||
|
|
cache["key"] = 1
|
||
|
|
clock.advance_time(0.5)
|
||
|
|
cache["key2"] = 2
|
||
|
|
|
||
|
|
self.assertEquals(cache.get("key"), 1)
|
||
|
|
self.assertEquals(cache.get("key2"), 2)
|
||
|
|
|
||
|
|
clock.advance_time(0.9)
|
||
|
|
self.assertEquals(cache.get("key"), None)
|
||
|
|
self.assertEquals(cache.get("key2"), 2)
|
||
|
|
|
||
|
|
clock.advance_time(1)
|
||
|
|
self.assertEquals(cache.get("key"), None)
|
||
|
|
self.assertEquals(cache.get("key2"), None)
|