synapse/tests/util/test_dict_cache.py

120 lines
4 KiB
Python
Raw Normal View History

2016-01-07 05:26:29 +01:00
# Copyright 2015, 2016 OpenMarket Ltd
2015-08-04 16:56:56 +02:00
#
# 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.util.caches.dictionary_cache import DictionaryCache
2015-08-04 16:56:56 +02:00
2018-07-09 08:09:20 +02:00
from tests import unittest
2015-08-04 16:56:56 +02:00
class DictCacheTestCase(unittest.TestCase):
def setUp(self):
self.cache = DictionaryCache("foobar", max_entries=10)
2015-08-04 16:56:56 +02:00
def test_simple_cache_hit_full(self):
key = "test_simple_cache_hit_full"
v = self.cache.get(key)
self.assertIs(v.full, False)
self.assertEqual(v.known_absent, set())
self.assertEqual({}, v.value)
2015-08-04 16:56:56 +02:00
seq = self.cache.sequence
test_value = {"test": "test_simple_cache_hit_full"}
self.cache.update(seq, key, test_value)
2015-08-04 16:56:56 +02:00
c = self.cache.get(key)
self.assertEqual(test_value, c.value)
def test_simple_cache_hit_partial(self):
key = "test_simple_cache_hit_partial"
seq = self.cache.sequence
2018-08-10 15:54:09 +02:00
test_value = {"test": "test_simple_cache_hit_partial"}
self.cache.update(seq, key, test_value)
2015-08-04 16:56:56 +02:00
c = self.cache.get(key, ["test"])
self.assertEqual(test_value, c.value)
def test_simple_cache_miss_partial(self):
key = "test_simple_cache_miss_partial"
seq = self.cache.sequence
2018-08-10 15:54:09 +02:00
test_value = {"test": "test_simple_cache_miss_partial"}
self.cache.update(seq, key, test_value)
2015-08-04 16:56:56 +02:00
c = self.cache.get(key, ["test2"])
self.assertEqual({}, c.value)
def test_simple_cache_hit_miss_partial(self):
key = "test_simple_cache_hit_miss_partial"
seq = self.cache.sequence
test_value = {
"test": "test_simple_cache_hit_miss_partial",
"test2": "test_simple_cache_hit_miss_partial2",
"test3": "test_simple_cache_hit_miss_partial3",
}
self.cache.update(seq, key, test_value)
2015-08-04 16:56:56 +02:00
c = self.cache.get(key, ["test2"])
self.assertEqual({"test2": "test_simple_cache_hit_miss_partial2"}, c.value)
def test_multi_insert(self):
key = "test_simple_cache_hit_miss_partial"
seq = self.cache.sequence
2018-08-10 15:54:09 +02:00
test_value_1 = {"test": "test_simple_cache_hit_miss_partial"}
self.cache.update(seq, key, test_value_1, fetched_keys={"test"})
2015-08-04 16:56:56 +02:00
seq = self.cache.sequence
2018-08-10 15:54:09 +02:00
test_value_2 = {"test2": "test_simple_cache_hit_miss_partial2"}
self.cache.update(seq, key, test_value_2, fetched_keys={"test2"})
2015-08-04 16:56:56 +02:00
c = self.cache.get(key, dict_keys=["test", "test2"])
2015-08-04 16:56:56 +02:00
self.assertEqual(
{
"test": "test_simple_cache_hit_miss_partial",
"test2": "test_simple_cache_hit_miss_partial2",
},
2018-08-10 15:54:09 +02:00
c.value,
2015-08-04 16:56:56 +02:00
)
self.assertEqual(c.full, False)
def test_invalidation(self):
"""Test that the partial dict and full dicts get invalidated
separately.
"""
key = "some_key"
seq = self.cache.sequence
# start by populating a "full dict" entry
self.cache.update(seq, key, {"a": "b", "c": "d"})
# add a bunch of individual entries, also keeping the individual
# entry for "a" warm.
for i in range(20):
self.cache.get(key, ["a"])
self.cache.update(seq, f"key{i}", {1: 2})
# We should have evicted the full dict...
r = self.cache.get(key)
self.assertFalse(r.full)
self.assertTrue("c" not in r.value)
# ... but kept the "a" entry that we kept querying.
r = self.cache.get(key, dict_keys=["a"])
self.assertFalse(r.full)
self.assertEqual(r.value, {"a": "b"})