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119 lines
4 KiB
Python
119 lines
4 KiB
Python
# Copyright 2015, 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from synapse.util.caches.dictionary_cache import DictionaryCache
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from tests import unittest
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class DictCacheTestCase(unittest.TestCase):
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def setUp(self):
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self.cache = DictionaryCache("foobar", max_entries=10)
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def test_simple_cache_hit_full(self):
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key = "test_simple_cache_hit_full"
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v = self.cache.get(key)
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self.assertIs(v.full, False)
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self.assertEqual(v.known_absent, set())
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self.assertEqual({}, v.value)
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seq = self.cache.sequence
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test_value = {"test": "test_simple_cache_hit_full"}
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self.cache.update(seq, key, test_value)
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c = self.cache.get(key)
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self.assertEqual(test_value, c.value)
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def test_simple_cache_hit_partial(self):
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key = "test_simple_cache_hit_partial"
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seq = self.cache.sequence
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test_value = {"test": "test_simple_cache_hit_partial"}
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self.cache.update(seq, key, test_value)
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c = self.cache.get(key, ["test"])
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self.assertEqual(test_value, c.value)
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def test_simple_cache_miss_partial(self):
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key = "test_simple_cache_miss_partial"
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seq = self.cache.sequence
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test_value = {"test": "test_simple_cache_miss_partial"}
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self.cache.update(seq, key, test_value)
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c = self.cache.get(key, ["test2"])
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self.assertEqual({}, c.value)
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def test_simple_cache_hit_miss_partial(self):
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key = "test_simple_cache_hit_miss_partial"
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seq = self.cache.sequence
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test_value = {
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"test": "test_simple_cache_hit_miss_partial",
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"test2": "test_simple_cache_hit_miss_partial2",
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"test3": "test_simple_cache_hit_miss_partial3",
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}
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self.cache.update(seq, key, test_value)
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c = self.cache.get(key, ["test2"])
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self.assertEqual({"test2": "test_simple_cache_hit_miss_partial2"}, c.value)
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def test_multi_insert(self):
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key = "test_simple_cache_hit_miss_partial"
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seq = self.cache.sequence
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test_value_1 = {"test": "test_simple_cache_hit_miss_partial"}
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self.cache.update(seq, key, test_value_1, fetched_keys={"test"})
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seq = self.cache.sequence
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test_value_2 = {"test2": "test_simple_cache_hit_miss_partial2"}
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self.cache.update(seq, key, test_value_2, fetched_keys={"test2"})
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c = self.cache.get(key, dict_keys=["test", "test2"])
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self.assertEqual(
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{
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"test": "test_simple_cache_hit_miss_partial",
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"test2": "test_simple_cache_hit_miss_partial2",
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},
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c.value,
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)
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self.assertEqual(c.full, False)
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def test_invalidation(self):
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"""Test that the partial dict and full dicts get invalidated
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separately.
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"""
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key = "some_key"
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seq = self.cache.sequence
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# start by populating a "full dict" entry
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self.cache.update(seq, key, {"a": "b", "c": "d"})
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# add a bunch of individual entries, also keeping the individual
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# entry for "a" warm.
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for i in range(20):
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self.cache.get(key, ["a"])
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self.cache.update(seq, f"key{i}", {1: 2})
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# We should have evicted the full dict...
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r = self.cache.get(key)
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self.assertFalse(r.full)
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self.assertTrue("c" not in r.value)
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# ... but kept the "a" entry that we kept querying.
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r = self.cache.get(key, dict_keys=["a"])
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self.assertFalse(r.full)
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self.assertEqual(r.value, {"a": "b"})
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