diff --git a/tests/storage/test__base.py b/tests/storage/test__base.py
index 00adcab7b9..2598dbe0a7 100644
--- a/tests/storage/test__base.py
+++ b/tests/storage/test__base.py
@@ -20,7 +20,8 @@ from mock import Mock
from twisted.internet import defer
from synapse.util.async_helpers import ObservableDeferred
-from synapse.util.caches.descriptors import DeferredCache, cached
+from synapse.util.caches.deferred_cache import DeferredCache
+from synapse.util.caches.descriptors import cached
from tests import unittest
diff --git a/tests/test_metrics.py b/tests/test_metrics.py
index 1c03a52f7c..759e4cd048 100644
--- a/tests/test_metrics.py
+++ b/tests/test_metrics.py
@@ -15,7 +15,7 @@
# limitations under the License.
from synapse.metrics import REGISTRY, InFlightGauge, generate_latest
-from synapse.util.caches.descriptors import DeferredCache
+from synapse.util.caches.deferred_cache import DeferredCache
from tests import unittest
diff --git a/tests/util/caches/test_deferred_cache.py b/tests/util/caches/test_deferred_cache.py
new file mode 100644
index 0000000000..9b6acdfc43
--- /dev/null
+++ b/tests/util/caches/test_deferred_cache.py
@@ -0,0 +1,64 @@
+# -*- coding: utf-8 -*-
+# Copyright 2020 The Matrix.org Foundation C.I.C.
+#
+# 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.
+
+import unittest
+from functools import partial
+
+from twisted.internet import defer
+
+import synapse.util.caches.deferred_cache
+
+
+class DeferredCacheTestCase(unittest.TestCase):
+ def test_invalidate_all(self):
+ cache = synapse.util.caches.deferred_cache.DeferredCache("testcache")
+
+ callback_record = [False, False]
+
+ def record_callback(idx):
+ callback_record[idx] = True
+
+ # add a couple of pending entries
+ d1 = defer.Deferred()
+ cache.set("key1", d1, partial(record_callback, 0))
+
+ d2 = defer.Deferred()
+ cache.set("key2", d2, partial(record_callback, 1))
+
+ # lookup should return observable deferreds
+ self.assertFalse(cache.get("key1").has_called())
+ self.assertFalse(cache.get("key2").has_called())
+
+ # let one of the lookups complete
+ d2.callback("result2")
+
+ # for now at least, the cache will return real results rather than an
+ # observabledeferred
+ self.assertEqual(cache.get("key2"), "result2")
+
+ # now do the invalidation
+ cache.invalidate_all()
+
+ # lookup should return none
+ self.assertIsNone(cache.get("key1", None))
+ self.assertIsNone(cache.get("key2", None))
+
+ # both callbacks should have been callbacked
+ self.assertTrue(callback_record[0], "Invalidation callback for key1 not called")
+ self.assertTrue(callback_record[1], "Invalidation callback for key2 not called")
+
+ # letting the other lookup complete should do nothing
+ d1.callback("result1")
+ self.assertIsNone(cache.get("key1", None))
diff --git a/tests/util/caches/test_descriptors.py b/tests/util/caches/test_descriptors.py
index bd870b4a33..3d1f960869 100644
--- a/tests/util/caches/test_descriptors.py
+++ b/tests/util/caches/test_descriptors.py
@@ -14,7 +14,6 @@
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
-from functools import partial
import mock
@@ -42,49 +41,6 @@ def run_on_reactor():
return make_deferred_yieldable(d)
-class DeferredCacheTestCase(unittest.TestCase):
- def test_invalidate_all(self):
- cache = descriptors.DeferredCache("testcache")
-
- callback_record = [False, False]
-
- def record_callback(idx):
- callback_record[idx] = True
-
- # add a couple of pending entries
- d1 = defer.Deferred()
- cache.set("key1", d1, partial(record_callback, 0))
-
- d2 = defer.Deferred()
- cache.set("key2", d2, partial(record_callback, 1))
-
- # lookup should return observable deferreds
- self.assertFalse(cache.get("key1").has_called())
- self.assertFalse(cache.get("key2").has_called())
-
- # let one of the lookups complete
- d2.callback("result2")
-
- # for now at least, the cache will return real results rather than an
- # observabledeferred
- self.assertEqual(cache.get("key2"), "result2")
-
- # now do the invalidation
- cache.invalidate_all()
-
- # lookup should return none
- self.assertIsNone(cache.get("key1", None))
- self.assertIsNone(cache.get("key2", None))
-
- # both callbacks should have been callbacked
- self.assertTrue(callback_record[0], "Invalidation callback for key1 not called")
- self.assertTrue(callback_record[1], "Invalidation callback for key2 not called")
-
- # letting the other lookup complete should do nothing
- d1.callback("result1")
- self.assertIsNone(cache.get("key1", None))
-
-
class DescriptorTestCase(unittest.TestCase):
@defer.inlineCallbacks
def test_cache(self):
|