84 lines
2.8 KiB
Python
84 lines
2.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2019 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 mock import Mock
|
|
|
|
from synapse.util.caches.ttlcache import TTLCache
|
|
|
|
from tests import unittest
|
|
|
|
|
|
class CacheTestCase(unittest.TestCase):
|
|
def setUp(self):
|
|
self.mock_timer = Mock(side_effect=lambda: 100.0)
|
|
self.cache = TTLCache("test_cache", self.mock_timer)
|
|
|
|
def test_get(self):
|
|
"""simple set/get tests"""
|
|
self.cache.set("one", "1", 10)
|
|
self.cache.set("two", "2", 20)
|
|
self.cache.set("three", "3", 30)
|
|
|
|
self.assertEqual(len(self.cache), 3)
|
|
|
|
self.assertTrue("one" in self.cache)
|
|
self.assertEqual(self.cache.get("one"), "1")
|
|
self.assertEqual(self.cache["one"], "1")
|
|
self.assertEqual(self.cache.get_with_expiry("one"), ("1", 110, 10))
|
|
self.assertEqual(self.cache._metrics.hits, 3)
|
|
self.assertEqual(self.cache._metrics.misses, 0)
|
|
|
|
self.cache.set("two", "2.5", 20)
|
|
self.assertEqual(self.cache["two"], "2.5")
|
|
self.assertEqual(self.cache._metrics.hits, 4)
|
|
|
|
# non-existent-item tests
|
|
self.assertEqual(self.cache.get("four", "4"), "4")
|
|
self.assertIs(self.cache.get("four", None), None)
|
|
|
|
with self.assertRaises(KeyError):
|
|
self.cache["four"]
|
|
|
|
with self.assertRaises(KeyError):
|
|
self.cache.get("four")
|
|
|
|
with self.assertRaises(KeyError):
|
|
self.cache.get_with_expiry("four")
|
|
|
|
self.assertEqual(self.cache._metrics.hits, 4)
|
|
self.assertEqual(self.cache._metrics.misses, 5)
|
|
|
|
def test_expiry(self):
|
|
self.cache.set("one", "1", 10)
|
|
self.cache.set("two", "2", 20)
|
|
self.cache.set("three", "3", 30)
|
|
|
|
self.assertEqual(len(self.cache), 3)
|
|
self.assertEqual(self.cache["one"], "1")
|
|
self.assertEqual(self.cache["two"], "2")
|
|
|
|
# enough for the first entry to expire, but not the rest
|
|
self.mock_timer.side_effect = lambda: 110.0
|
|
|
|
self.assertEqual(len(self.cache), 2)
|
|
self.assertFalse("one" in self.cache)
|
|
self.assertEqual(self.cache["two"], "2")
|
|
self.assertEqual(self.cache["three"], "3")
|
|
|
|
self.assertEqual(self.cache.get_with_expiry("two"), ("2", 120, 20))
|
|
|
|
self.assertEqual(self.cache._metrics.hits, 5)
|
|
self.assertEqual(self.cache._metrics.misses, 0)
|