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92 lines
3.1 KiB
Python
92 lines
3.1 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 (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 synapse.util.caches.treecache import TreeCache, iterate_tree_cache_entry
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from .. import unittest
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class TreeCacheTestCase(unittest.TestCase):
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def test_get_set_onelevel(self) -> None:
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cache = TreeCache()
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cache[("a",)] = "A"
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cache[("b",)] = "B"
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self.assertEqual(cache.get(("a",)), "A")
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self.assertEqual(cache.get(("b",)), "B")
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self.assertEqual(len(cache), 2)
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def test_pop_onelevel(self) -> None:
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cache = TreeCache()
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cache[("a",)] = "A"
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cache[("b",)] = "B"
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self.assertEqual(cache.pop(("a",)), "A")
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self.assertEqual(cache.pop(("a",)), None)
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self.assertEqual(cache.get(("b",)), "B")
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self.assertEqual(len(cache), 1)
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def test_get_set_twolevel(self) -> None:
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cache = TreeCache()
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cache[("a", "a")] = "AA"
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cache[("a", "b")] = "AB"
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cache[("b", "a")] = "BA"
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self.assertEqual(cache.get(("a", "a")), "AA")
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self.assertEqual(cache.get(("a", "b")), "AB")
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self.assertEqual(cache.get(("b", "a")), "BA")
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self.assertEqual(len(cache), 3)
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def test_pop_twolevel(self) -> None:
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cache = TreeCache()
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cache[("a", "a")] = "AA"
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cache[("a", "b")] = "AB"
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cache[("b", "a")] = "BA"
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self.assertEqual(cache.pop(("a", "a")), "AA")
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self.assertEqual(cache.get(("a", "a")), None)
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self.assertEqual(cache.get(("a", "b")), "AB")
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self.assertEqual(cache.pop(("b", "a")), "BA")
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self.assertEqual(cache.pop(("b", "a")), None)
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self.assertEqual(len(cache), 1)
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def test_pop_mixedlevel(self) -> None:
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cache = TreeCache()
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cache[("a", "a")] = "AA"
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cache[("a", "b")] = "AB"
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cache[("b", "a")] = "BA"
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self.assertEqual(cache.get(("a", "a")), "AA")
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popped = cache.pop(("a",))
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self.assertEqual(cache.get(("a", "a")), None)
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self.assertEqual(cache.get(("a", "b")), None)
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self.assertEqual(cache.get(("b", "a")), "BA")
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self.assertEqual(len(cache), 1)
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self.assertEqual({"AA", "AB"}, set(iterate_tree_cache_entry(popped)))
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def test_clear(self) -> None:
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cache = TreeCache()
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cache[("a",)] = "A"
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cache[("b",)] = "B"
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cache.clear()
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self.assertEqual(len(cache), 0)
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def test_contains(self) -> None:
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cache = TreeCache()
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cache[("a",)] = "A"
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self.assertTrue(("a",) in cache)
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self.assertFalse(("b",) in cache)
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