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-rw-r--r--tests/api/test_ratelimiting.py2
-rw-r--r--tests/events/test_events.py2
-rw-r--r--tests/federation/test_federation.py15
-rw-r--r--tests/federation/test_pdu_codec.py2
-rw-r--r--tests/handlers/test_directory.py6
-rw-r--r--tests/handlers/test_federation.py10
-rw-r--r--tests/handlers/test_presence.py30
-rw-r--r--tests/handlers/test_presencelike.py17
-rw-r--r--tests/handlers/test_profile.py27
-rw-r--r--tests/handlers/test_room.py6
-rw-r--r--tests/handlers/test_typing.py12
-rw-r--r--tests/rest/test_events.py4
-rw-r--r--tests/rest/test_presence.py6
-rw-r--r--tests/rest/test_profile.py3
-rw-r--r--tests/rest/utils.py12
-rw-r--r--tests/storage/test_base.py2
-rw-r--r--tests/test_distributor.py2
-rw-r--r--tests/test_state.py3
-rw-r--r--tests/test_types.py2
-rw-r--r--tests/unittest.py79
-rw-r--r--tests/util/test_lock.py4
21 files changed, 172 insertions, 74 deletions
diff --git a/tests/api/test_ratelimiting.py b/tests/api/test_ratelimiting.py
index dc2f83c7eb..dd0bc19ecf 100644
--- a/tests/api/test_ratelimiting.py
+++ b/tests/api/test_ratelimiting.py
@@ -1,6 +1,6 @@
 from synapse.api.ratelimiting import Ratelimiter
 
-import unittest
+from tests import unittest
 
 class TestRatelimiter(unittest.TestCase):
 
diff --git a/tests/events/test_events.py b/tests/events/test_events.py
index 93d5c15c6f..a4b6cb3afd 100644
--- a/tests/events/test_events.py
+++ b/tests/events/test_events.py
@@ -15,7 +15,7 @@
 
 from synapse.api.events import SynapseEvent
 
-import unittest
+from tests import unittest
 
 
 class SynapseTemplateCheckTestCase(unittest.TestCase):
diff --git a/tests/federation/test_federation.py b/tests/federation/test_federation.py
index 0b105fe723..bb17e9aafe 100644
--- a/tests/federation/test_federation.py
+++ b/tests/federation/test_federation.py
@@ -14,11 +14,10 @@
 
 # trial imports
 from twisted.internet import defer
-from twisted.trial import unittest
+from tests import unittest
 
 # python imports
-from mock import Mock
-import logging
+from mock import Mock, ANY
 
 from ..utils import MockHttpResource, MockClock
 
@@ -28,9 +27,6 @@ from synapse.federation.units import Pdu
 from synapse.storage.pdu import PduTuple, PduEntry
 
 
-logging.getLogger().addHandler(logging.NullHandler())
-
-
 def make_pdu(prev_pdus=[], **kwargs):
     """Provide some default fields for making a PduTuple."""
     pdu_fields = {
@@ -185,7 +181,8 @@ class FederationTestCase(unittest.TestCase):
                             "depth": 1,
                         },
                     ]
-                }
+                },
+                on_send_callback=ANY,
         )
 
     @defer.inlineCallbacks
@@ -216,7 +213,9 @@ class FederationTestCase(unittest.TestCase):
                             "content": {"testing": "content here"},
                         }
                     ],
-                })
+                },
+                on_send_callback=ANY,
+        )
 
     @defer.inlineCallbacks
     def test_recv_edu(self):
diff --git a/tests/federation/test_pdu_codec.py b/tests/federation/test_pdu_codec.py
index 9f74ba119f..344e1baf60 100644
--- a/tests/federation/test_pdu_codec.py
+++ b/tests/federation/test_pdu_codec.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.trial import unittest
+from tests import unittest
 
 from synapse.federation.pdu_codec import (
     PduCodec, encode_event_id, decode_event_id
diff --git a/tests/handlers/test_directory.py b/tests/handlers/test_directory.py
index 72a2b1443a..54d6e51f97 100644
--- a/tests/handlers/test_directory.py
+++ b/tests/handlers/test_directory.py
@@ -14,11 +14,10 @@
 # limitations under the License.
 
 
-from twisted.trial import unittest
+from tests import unittest
 from twisted.internet import defer
 
 from mock import Mock
-import logging
 
 from synapse.server import HomeServer
 from synapse.http.client import HttpClient
@@ -26,9 +25,6 @@ from synapse.handlers.directory import DirectoryHandler
 from synapse.storage.directory import RoomAliasMapping
 
 
-logging.getLogger().addHandler(logging.NullHandler())
-
-
 class DirectoryHandlers(object):
     def __init__(self, hs):
         self.directory_handler = DirectoryHandler(hs)
diff --git a/tests/handlers/test_federation.py b/tests/handlers/test_federation.py
index 6fc3d8f7fd..eb6b7c22ef 100644
--- a/tests/handlers/test_federation.py
+++ b/tests/handlers/test_federation.py
@@ -14,7 +14,7 @@
 
 
 from twisted.internet import defer
-from twisted.trial import unittest
+from tests import unittest
 
 from synapse.api.events.room import (
     InviteJoinEvent, MessageEvent, RoomMemberEvent
@@ -26,12 +26,8 @@ from synapse.federation.units import Pdu
 
 from mock import NonCallableMock, ANY
 
-import logging
-
 from ..utils import get_mock_call_args
 
-logging.getLogger().addHandler(logging.NullHandler())
-
 
 class FederationTestCase(unittest.TestCase):
 
@@ -78,7 +74,9 @@ class FederationTestCase(unittest.TestCase):
 
         yield self.handlers.federation_handler.on_receive_pdu(pdu, False)
 
-        self.datastore.persist_event.assert_called_once_with(ANY, False)
+        self.datastore.persist_event.assert_called_once_with(
+            ANY, False, is_new_state=False
+        )
         self.notifier.on_new_room_event.assert_called_once_with(ANY)
 
     @defer.inlineCallbacks
diff --git a/tests/handlers/test_presence.py b/tests/handlers/test_presence.py
index 9eb8b6909f..0cb4dfba39 100644
--- a/tests/handlers/test_presence.py
+++ b/tests/handlers/test_presence.py
@@ -14,11 +14,10 @@
 # limitations under the License.
 
 
-from twisted.trial import unittest
+from tests import unittest
 from twisted.internet import defer, reactor
 
 from mock import Mock, call, ANY
-import logging
 import json
 
 from ..utils import MockHttpResource, MockClock, DeferredMockCallable
@@ -34,9 +33,6 @@ UNAVAILABLE = PresenceState.UNAVAILABLE
 ONLINE = PresenceState.ONLINE
 
 
-logging.getLogger().addHandler(logging.NullHandler())
-
-
 def _expect_edu(destination, edu_type, content, origin="test"):
     return {
         "origin": origin,
@@ -92,7 +88,6 @@ class PresenceStateTestCase(unittest.TestCase):
         # Mock the RoomMemberHandler
         room_member_handler = Mock(spec=[])
         hs.handlers.room_member_handler = room_member_handler
-        logging.getLogger().debug("Mocking room_member_handler=%r", room_member_handler)
 
         # Some local users to test with
         self.u_apple = hs.parse_userid("@apple:test")
@@ -324,7 +319,8 @@ class PresenceInvitesTestCase(unittest.TestCase):
                         "observer_user": "@apple:test",
                         "observed_user": "@cabbage:elsewhere",
                     }
-                )
+                ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -350,7 +346,8 @@ class PresenceInvitesTestCase(unittest.TestCase):
                         "observer_user": "@cabbage:elsewhere",
                         "observed_user": "@apple:test",
                     }
-                )
+                ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -381,7 +378,8 @@ class PresenceInvitesTestCase(unittest.TestCase):
                         "observer_user": "@cabbage:elsewhere",
                         "observed_user": "@durian:test",
                     }
-                )
+                ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -770,7 +768,8 @@ class PresencePushTestCase(unittest.TestCase):
                              "last_active_ago": 0},
                         ],
                     }
-                )
+                ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -785,7 +784,8 @@ class PresencePushTestCase(unittest.TestCase):
                              "last_active_ago": 0},
                         ],
                     }
-                )
+                ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -911,6 +911,7 @@ class PresencePushTestCase(unittest.TestCase):
                         ],
                     }
                 ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -925,6 +926,7 @@ class PresencePushTestCase(unittest.TestCase):
                         ],
                     }
                 ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -954,6 +956,7 @@ class PresencePushTestCase(unittest.TestCase):
                         ],
                     }
                 ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -1150,6 +1153,7 @@ class PresencePollingTestCase(unittest.TestCase):
                         "poll": [ "@potato:remote" ],
                     },
                 ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -1162,6 +1166,7 @@ class PresencePollingTestCase(unittest.TestCase):
                         "push": [ {"user_id": "@clementine:test" }],
                     },
                 ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -1190,6 +1195,7 @@ class PresencePollingTestCase(unittest.TestCase):
                         "push": [ {"user_id": "@fig:test" }],
                     },
                 ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -1222,6 +1228,7 @@ class PresencePollingTestCase(unittest.TestCase):
                         "unpoll": [ "@potato:remote" ],
                     },
                 ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -1253,6 +1260,7 @@ class PresencePollingTestCase(unittest.TestCase):
                         ],
                     },
                 ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
diff --git a/tests/handlers/test_presencelike.py b/tests/handlers/test_presencelike.py
index b35980d948..047752ad68 100644
--- a/tests/handlers/test_presencelike.py
+++ b/tests/handlers/test_presencelike.py
@@ -16,11 +16,10 @@
 """This file contains tests of the "presence-like" data that is shared between
 presence and profiles; namely, the displayname and avatar_url."""
 
-from twisted.trial import unittest
+from tests import unittest
 from twisted.internet import defer
 
 from mock import Mock, call, ANY
-import logging
 
 from ..utils import MockClock
 
@@ -35,9 +34,6 @@ UNAVAILABLE = PresenceState.UNAVAILABLE
 ONLINE = PresenceState.ONLINE
 
 
-logging.getLogger().addHandler(logging.NullHandler())
-
-
 class MockReplication(object):
     def __init__(self):
         self.edu_handlers = {}
@@ -69,6 +65,8 @@ class PresenceProfilelikeDataTestCase(unittest.TestCase):
                     "is_presence_visible",
 
                     "set_profile_displayname",
+
+                    "get_rooms_for_user_where_membership_is",
                 ]),
                 handlers=None,
                 resource_for_federation=Mock(),
@@ -136,6 +134,10 @@ class PresenceProfilelikeDataTestCase(unittest.TestCase):
         # Remote user
         self.u_potato = hs.parse_userid("@potato:remote")
 
+        self.mock_get_joined = (
+            self.datastore.get_rooms_for_user_where_membership_is
+        )
+
     @defer.inlineCallbacks
     def test_set_my_state(self):
         self.presence_list = [
@@ -156,6 +158,11 @@ class PresenceProfilelikeDataTestCase(unittest.TestCase):
 
     @defer.inlineCallbacks
     def test_push_local(self):
+        def get_joined(*args):
+            return defer.succeed([])
+
+        self.mock_get_joined.side_effect = get_joined
+
         self.presence_list = [
             {"observed_user_id": "@banana:test"},
             {"observed_user_id": "@clementine:test"},
diff --git a/tests/handlers/test_profile.py b/tests/handlers/test_profile.py
index 8e7a89b479..ee2be9b6d5 100644
--- a/tests/handlers/test_profile.py
+++ b/tests/handlers/test_profile.py
@@ -14,18 +14,15 @@
 # limitations under the License.
 
 
-from twisted.trial import unittest
+from tests import unittest
 from twisted.internet import defer
 
 from mock import Mock
-import logging
 
 from synapse.api.errors import AuthError
 from synapse.server import HomeServer
 from synapse.handlers.profile import ProfileHandler
-
-
-logging.getLogger().addHandler(logging.NullHandler())
+from synapse.api.constants import Membership
 
 
 class ProfileHandlers(object):
@@ -54,6 +51,7 @@ class ProfileTestCase(unittest.TestCase):
                     "set_profile_displayname",
                     "get_profile_avatar_url",
                     "set_profile_avatar_url",
+                    "get_rooms_for_user_where_membership_is",
                 ]),
                 handlers=None,
                 resource_for_federation=Mock(),
@@ -69,6 +67,10 @@ class ProfileTestCase(unittest.TestCase):
 
         self.handler = hs.get_handlers().profile_handler
 
+        self.mock_get_joined = (
+            self.datastore.get_rooms_for_user_where_membership_is
+        )
+
         # TODO(paul): Icky signal declarings.. booo
         hs.get_distributor().declare("changed_presencelike_data")
 
@@ -87,8 +89,15 @@ class ProfileTestCase(unittest.TestCase):
         mocked_set = self.datastore.set_profile_displayname
         mocked_set.return_value = defer.succeed(())
 
+        self.mock_get_joined.return_value = defer.succeed([])
+
         yield self.handler.set_displayname(self.frank, self.frank, "Frank Jr.")
 
+        self.mock_get_joined.assert_called_once_with(
+            self.frank.to_string(),
+            [Membership.JOIN]
+        )
+
         mocked_set.assert_called_with("1234ABCD", "Frank Jr.")
 
     @defer.inlineCallbacks
@@ -139,7 +148,15 @@ class ProfileTestCase(unittest.TestCase):
         mocked_set = self.datastore.set_profile_avatar_url
         mocked_set.return_value = defer.succeed(())
 
+        self.mock_get_joined.return_value = defer.succeed([])
+
         yield self.handler.set_avatar_url(self.frank, self.frank,
                 "http://my.server/pic.gif")
 
+        self.mock_get_joined.assert_called_once_with(
+            self.frank.to_string(),
+            [Membership.JOIN]
+        )
+
+
         mocked_set.assert_called_with("1234ABCD", "http://my.server/pic.gif")
diff --git a/tests/handlers/test_room.py b/tests/handlers/test_room.py
index 5687bbea0b..a1a2e80492 100644
--- a/tests/handlers/test_room.py
+++ b/tests/handlers/test_room.py
@@ -15,7 +15,7 @@
 
 
 from twisted.internet import defer
-from twisted.trial import unittest
+from tests import unittest
 
 from synapse.api.events.room import (
     InviteJoinEvent, RoomMemberEvent, RoomConfigEvent
@@ -27,10 +27,6 @@ from synapse.server import HomeServer
 
 from mock import Mock, NonCallableMock
 
-import logging
-
-logging.getLogger().addHandler(logging.NullHandler())
-
 
 class RoomMemberHandlerTestCase(unittest.TestCase):
 
diff --git a/tests/handlers/test_typing.py b/tests/handlers/test_typing.py
index 6532ac94a3..a66f208abf 100644
--- a/tests/handlers/test_typing.py
+++ b/tests/handlers/test_typing.py
@@ -14,12 +14,11 @@
 # limitations under the License.
 
 
-from twisted.trial import unittest
+from tests import unittest
 from twisted.internet import defer
 
 from mock import Mock, call, ANY
 import json
-import logging
 
 from ..utils import MockHttpResource, MockClock, DeferredMockCallable
 
@@ -27,9 +26,6 @@ from synapse.server import HomeServer
 from synapse.handlers.typing import TypingNotificationHandler
 
 
-logging.getLogger().addHandler(logging.NullHandler())
-
-
 def _expect_edu(destination, edu_type, content, origin="test"):
     return {
         "origin": origin,
@@ -173,7 +169,8 @@ class TypingNotificationsTestCase(unittest.TestCase):
                         "user_id": self.u_apple.to_string(),
                         "typing": True,
                     }
-                )
+                ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
@@ -223,7 +220,8 @@ class TypingNotificationsTestCase(unittest.TestCase):
                         "user_id": self.u_apple.to_string(),
                         "typing": False,
                     }
-                )
+                ),
+                on_send_callback=ANY,
             ),
             defer.succeed((200, "OK"))
         )
diff --git a/tests/rest/test_events.py b/tests/rest/test_events.py
index fd2224f55f..79b371c04d 100644
--- a/tests/rest/test_events.py
+++ b/tests/rest/test_events.py
@@ -14,7 +14,7 @@
 # limitations under the License.
 
 """ Tests REST events for /events paths."""
-from twisted.trial import unittest
+from tests import unittest
 
 # twisted imports
 from twisted.internet import defer
@@ -27,14 +27,12 @@ from synapse.server import HomeServer
 
 # python imports
 import json
-import logging
 
 from ..utils import MockHttpResource, MemoryDataStore
 from .utils import RestTestCase
 
 from mock import Mock, NonCallableMock
 
-logging.getLogger().addHandler(logging.NullHandler())
 
 PATH_PREFIX = "/_matrix/client/api/v1"
 
diff --git a/tests/rest/test_presence.py b/tests/rest/test_presence.py
index a1db0fbcf3..ea3478ac5d 100644
--- a/tests/rest/test_presence.py
+++ b/tests/rest/test_presence.py
@@ -15,11 +15,10 @@
 
 """Tests REST events for /presence paths."""
 
-from twisted.trial import unittest
+from tests import unittest
 from twisted.internet import defer
 
 from mock import Mock
-import logging
 
 from ..utils import MockHttpResource
 
@@ -28,9 +27,6 @@ from synapse.handlers.presence import PresenceHandler
 from synapse.server import HomeServer
 
 
-logging.getLogger().addHandler(logging.NullHandler())
-
-
 OFFLINE = PresenceState.OFFLINE
 UNAVAILABLE = PresenceState.UNAVAILABLE
 ONLINE = PresenceState.ONLINE
diff --git a/tests/rest/test_profile.py b/tests/rest/test_profile.py
index f41810df1f..e6e51f6dd0 100644
--- a/tests/rest/test_profile.py
+++ b/tests/rest/test_profile.py
@@ -15,7 +15,7 @@
 
 """Tests REST events for /profile paths."""
 
-from twisted.trial import unittest
+from tests import unittest
 from twisted.internet import defer
 
 from mock import Mock
@@ -28,6 +28,7 @@ from synapse.server import HomeServer
 myid = "@1234ABCD:test"
 PATH_PREFIX = "/_matrix/client/api/v1"
 
+
 class ProfileTestCase(unittest.TestCase):
     """ Tests profile management. """
 
diff --git a/tests/rest/utils.py b/tests/rest/utils.py
index 77f5ecf0df..579441fb4a 100644
--- a/tests/rest/utils.py
+++ b/tests/rest/utils.py
@@ -17,7 +17,7 @@
 from twisted.internet import defer
 
 # trial imports
-from twisted.trial import unittest
+from tests import unittest
 
 from synapse.api.constants import Membership
 
@@ -95,8 +95,14 @@ class RestTestCase(unittest.TestCase):
 
     @defer.inlineCallbacks
     def register(self, user_id):
-        (code, response) = yield self.mock_resource.trigger("POST", "/register",
-                                '{"user_id":"%s"}' % user_id)
+        (code, response) = yield self.mock_resource.trigger(
+            "POST",
+            "/register",
+            json.dumps({
+                "user": user_id,
+                "password": "test",
+                "type": "m.login.password"
+            }))
         self.assertEquals(200, code)
         defer.returnValue(response)
 
diff --git a/tests/storage/test_base.py b/tests/storage/test_base.py
index 330311448d..3ad9a4b0c0 100644
--- a/tests/storage/test_base.py
+++ b/tests/storage/test_base.py
@@ -14,7 +14,7 @@
 # limitations under the License.
 
 
-from twisted.trial import unittest
+from tests import unittest
 from twisted.internet import defer
 
 from mock import Mock, call
diff --git a/tests/test_distributor.py b/tests/test_distributor.py
index 04933f0ecf..39c5b8dff2 100644
--- a/tests/test_distributor.py
+++ b/tests/test_distributor.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from tests import unittest
 from twisted.internet import defer
-from twisted.trial import unittest
 
 from mock import Mock, patch
 
diff --git a/tests/test_state.py b/tests/test_state.py
index 16af95b7bc..b1624f0b25 100644
--- a/tests/test_state.py
+++ b/tests/test_state.py
@@ -13,8 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from tests import unittest
 from twisted.internet import defer
-from twisted.trial import unittest
 from twisted.python.log import PythonLoggingObserver
 
 from synapse.state import StateHandler
@@ -26,7 +26,6 @@ from collections import namedtuple
 
 from mock import Mock
 
-import logging
 import mock
 
 
diff --git a/tests/test_types.py b/tests/test_types.py
index 571938356c..276ecc91fd 100644
--- a/tests/test_types.py
+++ b/tests/test_types.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import unittest
+from tests import unittest
 
 from synapse.server import BaseHomeServer
 from synapse.types import UserID, RoomAlias
diff --git a/tests/unittest.py b/tests/unittest.py
new file mode 100644
index 0000000000..fb97fb1148
--- /dev/null
+++ b/tests/unittest.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 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 twisted.trial import unittest
+
+import logging
+
+
+# logging doesn't have a "don't log anything at all EVARRRR setting,
+# but since the highest value is 50, 1000000 should do ;)
+NEVER = 1000000
+
+logging.getLogger().addHandler(logging.StreamHandler())
+logging.getLogger().setLevel(NEVER)
+
+
+def around(target):
+    """A CLOS-style 'around' modifier, which wraps the original method of the
+    given instance with another piece of code.
+
+    @around(self)
+    def method_name(orig, *args, **kwargs):
+        return orig(*args, **kwargs)
+    """
+    def _around(code):
+        name = code.__name__
+        orig = getattr(target, name)
+        def new(*args, **kwargs):
+            return code(orig, *args, **kwargs)
+        setattr(target, name, new)
+    return _around
+
+
+class TestCase(unittest.TestCase):
+    """A subclass of twisted.trial's TestCase which looks for 'loglevel'
+    attributes on both itself and its individual test methods, to override the
+    root logger's logging level while that test (case|method) runs."""
+
+    def __init__(self, methodName, *args, **kwargs):
+        super(TestCase, self).__init__(methodName, *args, **kwargs)
+
+        method = getattr(self, methodName)
+
+        level = getattr(method, "loglevel",
+                    getattr(self, "loglevel",
+                        NEVER))
+
+        @around(self)
+        def setUp(orig):
+            old_level = logging.getLogger().level
+
+            if old_level != level:
+                @around(self)
+                def tearDown(orig):
+                    ret = orig()
+                    logging.getLogger().setLevel(old_level)
+                    return ret
+
+            logging.getLogger().setLevel(level)
+            return orig()
+
+
+def DEBUG(target):
+    """A decorator to set the .loglevel attribute to logging.DEBUG.
+    Can apply to either a TestCase or an individual test method."""
+    target.loglevel = logging.DEBUG
+    return target
diff --git a/tests/util/test_lock.py b/tests/util/test_lock.py
index 5623d78423..6a1e521b1e 100644
--- a/tests/util/test_lock.py
+++ b/tests/util/test_lock.py
@@ -15,7 +15,7 @@
 
 
 from twisted.internet import defer
-from twisted.trial import unittest
+from tests import unittest
 
 from synapse.util.lockutils import LockManager
 
@@ -105,4 +105,4 @@ class LockManagerTestCase(unittest.TestCase):
             pass
 
         with (yield self.lock_manager.lock(key)):
-            pass
\ No newline at end of file
+            pass