def test_mutex_lock(self):
mutex = Mutex(id='mutex-01')
mutex.lock()
self.get_object_or_fail(Mutex, pk=mutex.id)
mutex.release()
self.assertEqual(0, Mutex.objects.count())
def test_mutex_lock(self):
mutex = Mutex(id='mutex-01')
mutex.lock()
self.get_object_or_fail(Mutex, pk=mutex.id)
mutex.release()
self.assertFalse(Mutex.objects.all())
def test_mutex_lock_twice_same_name(self):
"Double lock causes an error (lock method)"
name1 = 'mutex-01'
name2 = 'other_mutex'
mutex1 = Mutex(name1)
mutex2 = Mutex(name1)
mutex1.lock()
with atomic():
self.assertRaises(MutexLockedException, mutex2.lock)
self.assertEqual(1, Mutex.objects.count())
with self.assertNoException():
mutex3 = Mutex(name2)
mutex3.lock()
self.assertEqual([name1, name2], self._get_ids())
mutex1.release()
self.assertEqual([name2], self._get_ids())