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-rw-r--r--tests/util/caches/test_deferred_cache.py18
-rw-r--r--tests/util/caches/test_descriptors.py5
2 files changed, 11 insertions, 12 deletions
diff --git a/tests/util/caches/test_deferred_cache.py b/tests/util/caches/test_deferred_cache.py
index 8a08ab6661..68d26128c1 100644
--- a/tests/util/caches/test_deferred_cache.py
+++ b/tests/util/caches/test_deferred_cache.py
@@ -13,15 +13,16 @@
 # 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
 
 from synapse.util.caches.deferred_cache import DeferredCache
 
+from tests.unittest import TestCase
 
-class DeferredCacheTestCase(unittest.TestCase):
+
+class DeferredCacheTestCase(TestCase):
     def test_empty(self):
         cache = DeferredCache("test")
         failed = False
@@ -36,7 +37,7 @@ class DeferredCacheTestCase(unittest.TestCase):
         cache = DeferredCache("test")
         cache.prefill("foo", 123)
 
-        self.assertEquals(cache.get("foo"), 123)
+        self.assertEquals(self.successResultOf(cache.get("foo")), 123)
 
     def test_get_immediate(self):
         cache = DeferredCache("test")
@@ -82,16 +83,15 @@ class DeferredCacheTestCase(unittest.TestCase):
         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())
+        # lookup should return pending deferreds
+        self.assertFalse(cache.get("key1").called)
+        self.assertFalse(cache.get("key2").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 the cache will return a completed deferred
+        self.assertEqual(self.successResultOf(cache.get("key2")), "result2")
 
         # now do the invalidation
         cache.invalidate_all()
diff --git a/tests/util/caches/test_descriptors.py b/tests/util/caches/test_descriptors.py
index 3d738afa7f..fc2663c02d 100644
--- a/tests/util/caches/test_descriptors.py
+++ b/tests/util/caches/test_descriptors.py
@@ -27,7 +27,6 @@ from synapse.logging.context import (
     current_context,
     make_deferred_yieldable,
 )
-from synapse.util.async_helpers import ObservableDeferred
 from synapse.util.caches import descriptors
 from synapse.util.caches.descriptors import cached
 
@@ -419,9 +418,9 @@ class CacheDecoratorTestCase(unittest.HomeserverTestCase):
 
         a = A()
 
-        a.func.prefill(("foo",), ObservableDeferred(d))
+        a.func.prefill(("foo",), 456)
 
-        self.assertEquals(a.func("foo").result, d.result)
+        self.assertEquals(a.func("foo").result, 456)
         self.assertEquals(callcount[0], 0)
 
     @defer.inlineCallbacks