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https://mau.dev/maunium/synapse.git
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c0df6bae06
`keylen` seems to be a thing that is frequently incorrectly set, and we don't really need it. The only time it was used was to figure out if we had removed a subtree in `del_multi`, which we can do better by changing `TreeCache.pop` to return a different type (`TreeCacheNode`). Commits should be independently reviewable.
86 lines
3 KiB
Python
86 lines
3 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.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):
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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.assertEquals(cache.get(("a",)), "A")
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self.assertEquals(cache.get(("b",)), "B")
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self.assertEquals(len(cache), 2)
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def test_pop_onelevel(self):
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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.assertEquals(cache.pop(("a",)), "A")
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self.assertEquals(cache.pop(("a",)), None)
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self.assertEquals(cache.get(("b",)), "B")
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self.assertEquals(len(cache), 1)
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def test_get_set_twolevel(self):
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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.assertEquals(cache.get(("a", "a")), "AA")
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self.assertEquals(cache.get(("a", "b")), "AB")
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self.assertEquals(cache.get(("b", "a")), "BA")
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self.assertEquals(len(cache), 3)
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def test_pop_twolevel(self):
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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.assertEquals(cache.pop(("a", "a")), "AA")
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self.assertEquals(cache.get(("a", "a")), None)
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self.assertEquals(cache.get(("a", "b")), "AB")
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self.assertEquals(cache.pop(("b", "a")), "BA")
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self.assertEquals(cache.pop(("b", "a")), None)
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self.assertEquals(len(cache), 1)
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def test_pop_mixedlevel(self):
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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.assertEquals(cache.get(("a", "a")), "AA")
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popped = cache.pop(("a",))
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self.assertEquals(cache.get(("a", "a")), None)
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self.assertEquals(cache.get(("a", "b")), None)
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self.assertEquals(cache.get(("b", "a")), "BA")
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self.assertEquals(len(cache), 1)
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self.assertEquals({"AA", "AB"}, set(iterate_tree_cache_entry(popped)))
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def test_clear(self):
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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.assertEquals(len(cache), 0)
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def test_contains(self):
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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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