diff --git a/tests/storage/databases/main/test_lock.py b/tests/storage/databases/main/test_lock.py
index 3cc2a58d8d..56cb49d9b5 100644
--- a/tests/storage/databases/main/test_lock.py
+++ b/tests/storage/databases/main/test_lock.py
@@ -15,18 +15,20 @@
from twisted.internet import defer, reactor
from twisted.internet.base import ReactorBase
from twisted.internet.defer import Deferred
+from twisted.test.proto_helpers import MemoryReactor
from synapse.server import HomeServer
from synapse.storage.databases.main.lock import _LOCK_TIMEOUT_MS
+from synapse.util import Clock
from tests import unittest
class LockTestCase(unittest.HomeserverTestCase):
- def prepare(self, reactor, clock, hs: HomeServer):
+ def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None:
self.store = hs.get_datastores().main
- def test_acquire_contention(self):
+ def test_acquire_contention(self) -> None:
# Track the number of tasks holding the lock.
# Should be at most 1.
in_lock = 0
@@ -34,7 +36,7 @@ class LockTestCase(unittest.HomeserverTestCase):
release_lock: "Deferred[None]" = Deferred()
- async def task():
+ async def task() -> None:
nonlocal in_lock
nonlocal max_in_lock
@@ -76,7 +78,7 @@ class LockTestCase(unittest.HomeserverTestCase):
# At most one task should have held the lock at a time.
self.assertEqual(max_in_lock, 1)
- def test_simple_lock(self):
+ def test_simple_lock(self) -> None:
"""Test that we can take out a lock and that while we hold it nobody
else can take it out.
"""
@@ -103,7 +105,7 @@ class LockTestCase(unittest.HomeserverTestCase):
self.get_success(lock3.__aenter__())
self.get_success(lock3.__aexit__(None, None, None))
- def test_maintain_lock(self):
+ def test_maintain_lock(self) -> None:
"""Test that we don't time out locks while they're still active"""
lock = self.get_success(self.store.try_acquire_lock("name", "key"))
@@ -119,7 +121,7 @@ class LockTestCase(unittest.HomeserverTestCase):
self.get_success(lock.__aexit__(None, None, None))
- def test_timeout_lock(self):
+ def test_timeout_lock(self) -> None:
"""Test that we time out locks if they're not updated for ages"""
lock = self.get_success(self.store.try_acquire_lock("name", "key"))
@@ -139,7 +141,7 @@ class LockTestCase(unittest.HomeserverTestCase):
self.assertFalse(self.get_success(lock.is_still_valid()))
- def test_drop(self):
+ def test_drop(self) -> None:
"""Test that dropping the context manager means we stop renewing the lock"""
lock = self.get_success(self.store.try_acquire_lock("name", "key"))
@@ -153,7 +155,7 @@ class LockTestCase(unittest.HomeserverTestCase):
lock2 = self.get_success(self.store.try_acquire_lock("name", "key"))
self.assertIsNotNone(lock2)
- def test_shutdown(self):
+ def test_shutdown(self) -> None:
"""Test that shutting down Synapse releases the locks"""
# Acquire two locks
lock = self.get_success(self.store.try_acquire_lock("name", "key1"))
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