MatrixSynapse/tests/util/test_lock.py

94 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
from twisted.internet import defer
from twisted.trial import unittest
from synapse.util.lockutils import LockManager
class LockManagerTestCase(unittest.TestCase):
def setUp(self):
self.lock_manager = LockManager()
@defer.inlineCallbacks
def test_one_lock(self):
key = "test"
deferred_lock1 = self.lock_manager.lock(key)
self.assertTrue(deferred_lock1.called)
lock1 = yield deferred_lock1
self.assertFalse(lock1.released)
lock1.release()
self.assertTrue(lock1.released)
@defer.inlineCallbacks
def test_concurrent_locks(self):
key = "test"
deferred_lock1 = self.lock_manager.lock(key)
deferred_lock2 = self.lock_manager.lock(key)
self.assertTrue(deferred_lock1.called)
self.assertFalse(deferred_lock2.called)
lock1 = yield deferred_lock1
self.assertFalse(lock1.released)
self.assertFalse(deferred_lock2.called)
lock1.release()
self.assertTrue(lock1.released)
self.assertTrue(deferred_lock2.called)
lock2 = yield deferred_lock2
lock2.release()
@defer.inlineCallbacks
def test_sequential_locks(self):
key = "test"
deferred_lock1 = self.lock_manager.lock(key)
self.assertTrue(deferred_lock1.called)
lock1 = yield deferred_lock1
self.assertFalse(lock1.released)
lock1.release()
self.assertTrue(lock1.released)
deferred_lock2 = self.lock_manager.lock(key)
self.assertTrue(deferred_lock2.called)
lock2 = yield deferred_lock2
self.assertFalse(lock2.released)
lock2.release()
self.assertTrue(lock2.released)
@defer.inlineCallbacks
def test_with_statement(self):
key = "test"
with (yield self.lock_manager.lock(key)) as lock:
self.assertFalse(lock.released)
self.assertTrue(lock.released)
@defer.inlineCallbacks
def test_two_with_statement(self):
key = "test"
with (yield self.lock_manager.lock(key)):
pass
with (yield self.lock_manager.lock(key)):
pass