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Combine the two sets of DeferredCache tests

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This commit is contained in:
Richard van der Hoff 2020-10-14 23:37:23 +01:00
parent 4182bb812f
commit 470dedd266
2 changed files with 75 additions and 74 deletions
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72
tests/storage/test__base.py
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@ -20,83 +20,11 @@ from mock import Mock
from twisted.internet import defer
from synapse.util.async_helpers import ObservableDeferred
from synapse.util.caches.deferred_cache import DeferredCache
from synapse.util.caches.descriptors import cached
from tests import unittest
class DeferredCacheTestCase(unittest.HomeserverTestCase):
def prepare(self, reactor, clock, homeserver):
self.cache = DeferredCache("test")
def test_empty(self):
failed = False
try:
self.cache.get("foo")
except KeyError:
failed = True
self.assertTrue(failed)
def test_hit(self):
self.cache.prefill("foo", 123)
self.assertEquals(self.cache.get("foo"), 123)
def test_invalidate(self):
self.cache.prefill(("foo",), 123)
self.cache.invalidate(("foo",))
failed = False
try:
self.cache.get(("foo",))
except KeyError:
failed = True
self.assertTrue(failed)
def test_eviction(self):
cache = DeferredCache("test", max_entries=2)
cache.prefill(1, "one")
cache.prefill(2, "two")
cache.prefill(3, "three") # 1 will be evicted
failed = False
try:
cache.get(1)
except KeyError:
failed = True
self.assertTrue(failed)
cache.get(2)
cache.get(3)
def test_eviction_lru(self):
cache = DeferredCache("test", max_entries=2)
cache.prefill(1, "one")
cache.prefill(2, "two")
# Now access 1 again, thus causing 2 to be least-recently used
cache.get(1)
cache.prefill(3, "three")
failed = False
try:
cache.get(2)
except KeyError:
failed = True
self.assertTrue(failed)
cache.get(1)
cache.get(3)
class CacheDecoratorTestCase(unittest.HomeserverTestCase):
@defer.inlineCallbacks
def test_passthrough(self):

77
tests/util/caches/test_deferred_cache.py
View File

@ -18,12 +18,41 @@ from functools import partial
from twisted.internet import defer
import synapse.util.caches.deferred_cache
from synapse.util.caches.deferred_cache import DeferredCache
class DeferredCacheTestCase(unittest.TestCase):
def test_empty(self):
cache = DeferredCache("test")
failed = False
try:
cache.get("foo")
except KeyError:
failed = True
self.assertTrue(failed)
def test_hit(self):
cache = DeferredCache("test")
cache.prefill("foo", 123)
self.assertEquals(cache.get("foo"), 123)
def test_invalidate(self):
cache = DeferredCache("test")
cache.prefill(("foo",), 123)
cache.invalidate(("foo",))
failed = False
try:
cache.get(("foo",))
except KeyError:
failed = True
self.assertTrue(failed)
def test_invalidate_all(self):
cache = synapse.util.caches.deferred_cache.DeferredCache("testcache")
cache = DeferredCache("testcache")
callback_record = [False, False]
@ -62,3 +91,47 @@ class DeferredCacheTestCase(unittest.TestCase):
# letting the other lookup complete should do nothing
d1.callback("result1")
self.assertIsNone(cache.get("key1", None))
def test_eviction(self):
cache = DeferredCache(
"test", max_entries=2, apply_cache_factor_from_config=False
)
cache.prefill(1, "one")
cache.prefill(2, "two")
cache.prefill(3, "three") # 1 will be evicted
failed = False
try:
cache.get(1)
except KeyError:
failed = True
self.assertTrue(failed)
cache.get(2)
cache.get(3)
def test_eviction_lru(self):
cache = DeferredCache(
"test", max_entries=2, apply_cache_factor_from_config=False
)
cache.prefill(1, "one")
cache.prefill(2, "two")
# Now access 1 again, thus causing 2 to be least-recently used
cache.get(1)
cache.prefill(3, "three")
failed = False
try:
cache.get(2)
except KeyError:
failed = True
self.assertTrue(failed)
cache.get(1)
cache.get(3)