# -*- 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 .. import unittest

from synapse.util.caches.lrucache import LruCache

class LruCacheTestCase(unittest.TestCase):

    def test_get_set(self):
        cache = LruCache(1, 1)
        cache[("key",)] = "value"
        self.assertEquals(cache.get(("key",)), "value")
        self.assertEquals(cache[("key",)], "value")

    def test_eviction(self):
        cache = LruCache(2, 1)
        cache[(1,)] = 1
        cache[(2,)] = 2

        self.assertEquals(cache.get((1,)), 1)
        self.assertEquals(cache.get((2,)), 2)

        cache[(3,)] = 3

        self.assertEquals(cache.get((1,)), None)
        self.assertEquals(cache.get((2,)), 2)
        self.assertEquals(cache.get((3,)), 3)

    def test_setdefault(self):
        cache = LruCache(1, 1)
        self.assertEquals(cache.setdefault(("key",), 1), 1)
        self.assertEquals(cache.get(("key",)), 1)
        self.assertEquals(cache.setdefault(("key",), 2), 1)
        self.assertEquals(cache.get(("key",)), 1)

    def test_pop(self):
        cache = LruCache(1, 1)
        cache[("key",)] = 1
        self.assertEquals(cache.pop(("key",)), 1)
        self.assertEquals(cache.pop(("key",)), None)

@@ -1755,16 +1755,804 @@
 %22key%22,)), None)%0A
+%0A    def test_del_multi(self):%0A        cache = LruCache(4, 2)%0A        cache%5B(%22animal%22, %22cat%22)%5D = %22mew%22%0A        cache%5B(%22animal%22, %22dog%22)%5D = %22woof%22%0A        cache%5B(%22vehicles%22, %22car%22)%5D = %22vroom%22%0A        cache%5B(%22vehicles%22, %22train%22)%5D = %22chuff%22%0A%0A        self.assertEquals(len(cache), 4)%0A%0A        self.assertEquals(cache.get((%22animal%22, %22cat%22)), %22mew%22)%0A        self.assertEquals(cache.get((%22vehicles%22, %22car%22)), %22vroom%22)%0A        cache.del_multi((%22animal%22,))%0A        self.assertEquals(len(cache), 2)%0A        self.assertEquals(cache.get((%22animal%22, %22cat%22)), None)%0A        self.assertEquals(cache.get((%22animal%22, %22dog%22)), None)%0A        self.assertEquals(cache.get((%22vehicles%22, %22car%22)), %22vroom%22)%0A        self.assertEquals(cache.get((%22vehicles%22, %22train%22)), %22chuff%22)%0A        # Man from del_multi say %22Yes%22.%0A

Test treecache directly