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23740eaa3d
During the migration the automated script to update the copyright headers accidentally got rid of some of the existing copyright lines. Reinstate them.
98 lines
3 KiB
Python
98 lines
3 KiB
Python
#
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# This file is licensed under the Affero General Public License (AGPL) version 3.
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#
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# Copyright 2017 OpenMarket Ltd
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# Copyright (C) 2023 New Vector, Ltd
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# See the GNU Affero General Public License for more details:
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# <https://www.gnu.org/licenses/agpl-3.0.html>.
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#
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# Originally licensed under the Apache License, Version 2.0:
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# <http://www.apache.org/licenses/LICENSE-2.0>.
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#
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# [This file includes modifications made by New Vector Limited]
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#
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#
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from typing import List, cast
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from synapse.util import Clock
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from synapse.util.caches.expiringcache import ExpiringCache
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from tests.utils import MockClock
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from .. import unittest
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class ExpiringCacheTestCase(unittest.HomeserverTestCase):
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def test_get_set(self) -> None:
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clock = MockClock()
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cache: ExpiringCache[str, str] = ExpiringCache(
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"test", cast(Clock, clock), max_len=1
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)
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cache["key"] = "value"
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self.assertEqual(cache.get("key"), "value")
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self.assertEqual(cache["key"], "value")
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def test_eviction(self) -> None:
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clock = MockClock()
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cache: ExpiringCache[str, str] = ExpiringCache(
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"test", cast(Clock, clock), max_len=2
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)
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cache["key"] = "value"
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cache["key2"] = "value2"
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self.assertEqual(cache.get("key"), "value")
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self.assertEqual(cache.get("key2"), "value2")
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cache["key3"] = "value3"
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self.assertEqual(cache.get("key"), None)
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self.assertEqual(cache.get("key2"), "value2")
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self.assertEqual(cache.get("key3"), "value3")
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def test_iterable_eviction(self) -> None:
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clock = MockClock()
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cache: ExpiringCache[str, List[int]] = ExpiringCache(
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"test", cast(Clock, clock), max_len=5, iterable=True
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)
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cache["key"] = [1]
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cache["key2"] = [2, 3]
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cache["key3"] = [4, 5]
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self.assertEqual(cache.get("key"), [1])
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self.assertEqual(cache.get("key2"), [2, 3])
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self.assertEqual(cache.get("key3"), [4, 5])
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cache["key4"] = [6, 7]
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self.assertEqual(cache.get("key"), None)
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self.assertEqual(cache.get("key2"), None)
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self.assertEqual(cache.get("key3"), [4, 5])
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self.assertEqual(cache.get("key4"), [6, 7])
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def test_time_eviction(self) -> None:
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clock = MockClock()
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cache: ExpiringCache[str, int] = ExpiringCache(
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"test", cast(Clock, clock), expiry_ms=1000
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)
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cache["key"] = 1
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clock.advance_time(0.5)
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cache["key2"] = 2
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self.assertEqual(cache.get("key"), 1)
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self.assertEqual(cache.get("key2"), 2)
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clock.advance_time(0.9)
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self.assertEqual(cache.get("key"), None)
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self.assertEqual(cache.get("key2"), 2)
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clock.advance_time(1)
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self.assertEqual(cache.get("key"), None)
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self.assertEqual(cache.get("key2"), None)
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