def test_MutexAutoLock_already_locked(self):
Mutex.get_n_lock('dummy_lock')
self.assertEqual(1, Mutex.objects.filter(id='dummy_lock').count())
with self.assertRaises(MutexLockedException):
with MutexAutoLock('dummy_lock'):
self.fail('cannot be here with lock enabled')
self.assertEqual(1, Mutex.objects.filter(id='dummy_lock').count())
def test_mutex_autolock_already_locked(self):
self.assertEqual(self.locked_func_legacy(12), 12)
self.assertEqual(0, Mutex.objects.filter(id='dummy_lock').count())
Mutex.get_n_lock('dummy_lock')
self.assertEqual(1, Mutex.objects.filter(id='dummy_lock').count())
with self.assertRaises(MutexLockedException):
self.locked_func_legacy(5)
self.assertEqual(1, Mutex.objects.filter(id='dummy_lock').count())
def test_MutexAutoLock_decorator_already_locked(self):
self.assertEqual(self.locked_func(12), 12)
self.assertEqual(0, Mutex.objects.filter(id='dummy_lock').count())
Mutex.get_n_lock('dummy_lock')
self.assertEqual(1, Mutex.objects.filter(id='dummy_lock').count())
with self.assertRaises(MutexLockedException):
self.locked_func(5)
self.assertEqual(1, Mutex.objects.filter(id='dummy_lock').count())
def test_mutex_lock_twice_static_method(self):
"Double lock causes an error (get_n_lock static method)"
name = 'mutex-stuff'
mutex = Mutex.get_n_lock(name)
self.assertEqual(1, Mutex.objects.count())
with atomic():
self.assertRaises(MutexLockedException, Mutex.get_n_lock, name)
mutex.release()
self.assertEqual(0, Mutex.objects.count())