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# -*- coding: utf-8 -*-
# Copyright 2015, 2016 OpenMarket Ltd
#
# 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.treecache import TreeCache
from .. import unittest
class TreeCacheTestCase(unittest.TestCase):
def test_get_set_onelevel(self):
cache = TreeCache()
cache[("a",)] = "A"
cache[("b",)] = "B"
self.assertEquals(cache.get(("a",)), "A")
self.assertEquals(cache.get(("b",)), "B")
self.assertEquals(len(cache), 2)
def test_pop_onelevel(self):
cache = TreeCache()
cache[("a",)] = "A"
cache[("b",)] = "B"
self.assertEquals(cache.pop(("a",)), "A")
self.assertEquals(cache.pop(("a",)), None)
self.assertEquals(cache.get(("b",)), "B")
self.assertEquals(len(cache), 1)
def test_get_set_twolevel(self):
cache = TreeCache()
cache[("a", "a")] = "AA"
cache[("a", "b")] = "AB"
cache[("b", "a")] = "BA"
self.assertEquals(cache.get(("a", "a")), "AA")
self.assertEquals(cache.get(("a", "b")), "AB")
self.assertEquals(cache.get(("b", "a")), "BA")
self.assertEquals(len(cache), 3)
def test_pop_twolevel(self):
cache = TreeCache()
cache[("a", "a")] = "AA"
cache[("a", "b")] = "AB"
cache[("b", "a")] = "BA"
self.assertEquals(cache.pop(("a", "a")), "AA")
self.assertEquals(cache.get(("a", "a")), None)
self.assertEquals(cache.get(("a", "b")), "AB")
self.assertEquals(cache.pop(("b", "a")), "BA")
self.assertEquals(cache.pop(("b", "a")), None)
self.assertEquals(len(cache), 1)
def test_pop_mixedlevel(self):
cache = TreeCache()
cache[("a", "a")] = "AA"
cache[("a", "b")] = "AB"
cache[("b", "a")] = "BA"
self.assertEquals(cache.get(("a", "a")), "AA")
cache.pop(("a",))
self.assertEquals(cache.get(("a", "a")), None)
self.assertEquals(cache.get(("a", "b")), None)
self.assertEquals(cache.get(("b", "a")), "BA")
self.assertEquals(len(cache), 1)
def test_clear(self):
cache = TreeCache()
cache[("a",)] = "A"
cache[("b",)] = "B"
cache.clear()
self.assertEquals(len(cache), 0)
def test_contains(self):
cache = TreeCache()
cache[("a",)] = "A"
self.assertTrue(("a",) in cache)
self.assertFalse(("b",) in cache)
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