122 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Python
		
	
	
# 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.dictionary_cache import DictionaryCache
 | 
						|
 | 
						|
from tests import unittest
 | 
						|
 | 
						|
 | 
						|
class DictCacheTestCase(unittest.TestCase):
 | 
						|
    def setUp(self) -> None:
 | 
						|
        self.cache: DictionaryCache[str, str, str] = DictionaryCache(
 | 
						|
            "foobar", max_entries=10
 | 
						|
        )
 | 
						|
 | 
						|
    def test_simple_cache_hit_full(self) -> None:
 | 
						|
        key = "test_simple_cache_hit_full"
 | 
						|
 | 
						|
        v = self.cache.get(key)
 | 
						|
        self.assertIs(v.full, False)
 | 
						|
        self.assertEqual(v.known_absent, set())
 | 
						|
        self.assertEqual({}, v.value)
 | 
						|
 | 
						|
        seq = self.cache.sequence
 | 
						|
        test_value = {"test": "test_simple_cache_hit_full"}
 | 
						|
        self.cache.update(seq, key, test_value)
 | 
						|
 | 
						|
        c = self.cache.get(key)
 | 
						|
        self.assertEqual(test_value, c.value)
 | 
						|
 | 
						|
    def test_simple_cache_hit_partial(self) -> None:
 | 
						|
        key = "test_simple_cache_hit_partial"
 | 
						|
 | 
						|
        seq = self.cache.sequence
 | 
						|
        test_value = {"test": "test_simple_cache_hit_partial"}
 | 
						|
        self.cache.update(seq, key, test_value)
 | 
						|
 | 
						|
        c = self.cache.get(key, ["test"])
 | 
						|
        self.assertEqual(test_value, c.value)
 | 
						|
 | 
						|
    def test_simple_cache_miss_partial(self) -> None:
 | 
						|
        key = "test_simple_cache_miss_partial"
 | 
						|
 | 
						|
        seq = self.cache.sequence
 | 
						|
        test_value = {"test": "test_simple_cache_miss_partial"}
 | 
						|
        self.cache.update(seq, key, test_value)
 | 
						|
 | 
						|
        c = self.cache.get(key, ["test2"])
 | 
						|
        self.assertEqual({}, c.value)
 | 
						|
 | 
						|
    def test_simple_cache_hit_miss_partial(self) -> None:
 | 
						|
        key = "test_simple_cache_hit_miss_partial"
 | 
						|
 | 
						|
        seq = self.cache.sequence
 | 
						|
        test_value = {
 | 
						|
            "test": "test_simple_cache_hit_miss_partial",
 | 
						|
            "test2": "test_simple_cache_hit_miss_partial2",
 | 
						|
            "test3": "test_simple_cache_hit_miss_partial3",
 | 
						|
        }
 | 
						|
        self.cache.update(seq, key, test_value)
 | 
						|
 | 
						|
        c = self.cache.get(key, ["test2"])
 | 
						|
        self.assertEqual({"test2": "test_simple_cache_hit_miss_partial2"}, c.value)
 | 
						|
 | 
						|
    def test_multi_insert(self) -> None:
 | 
						|
        key = "test_simple_cache_hit_miss_partial"
 | 
						|
 | 
						|
        seq = self.cache.sequence
 | 
						|
        test_value_1 = {"test": "test_simple_cache_hit_miss_partial"}
 | 
						|
        self.cache.update(seq, key, test_value_1, fetched_keys={"test"})
 | 
						|
 | 
						|
        seq = self.cache.sequence
 | 
						|
        test_value_2 = {"test2": "test_simple_cache_hit_miss_partial2"}
 | 
						|
        self.cache.update(seq, key, test_value_2, fetched_keys={"test2"})
 | 
						|
 | 
						|
        c = self.cache.get(key, dict_keys=["test", "test2"])
 | 
						|
        self.assertEqual(
 | 
						|
            {
 | 
						|
                "test": "test_simple_cache_hit_miss_partial",
 | 
						|
                "test2": "test_simple_cache_hit_miss_partial2",
 | 
						|
            },
 | 
						|
            c.value,
 | 
						|
        )
 | 
						|
        self.assertEqual(c.full, False)
 | 
						|
 | 
						|
    def test_invalidation(self) -> None:
 | 
						|
        """Test that the partial dict and full dicts get invalidated
 | 
						|
        separately.
 | 
						|
        """
 | 
						|
        key = "some_key"
 | 
						|
 | 
						|
        seq = self.cache.sequence
 | 
						|
        # start by populating a "full dict" entry
 | 
						|
        self.cache.update(seq, key, {"a": "b", "c": "d"})
 | 
						|
 | 
						|
        # add a bunch of individual entries, also keeping the individual
 | 
						|
        # entry for "a" warm.
 | 
						|
        for i in range(20):
 | 
						|
            self.cache.get(key, ["a"])
 | 
						|
            self.cache.update(seq, f"key{i}", {"1": "2"})
 | 
						|
 | 
						|
        # We should have evicted the full dict...
 | 
						|
        r = self.cache.get(key)
 | 
						|
        self.assertFalse(r.full)
 | 
						|
        self.assertTrue("c" not in r.value)
 | 
						|
 | 
						|
        # ... but kept the "a" entry that we kept querying.
 | 
						|
        r = self.cache.get(key, dict_keys=["a"])
 | 
						|
        self.assertFalse(r.full)
 | 
						|
        self.assertEqual(r.value, {"a": "b"})
 |