def test_atomic_rw(self):
def evaluator(x):
return x + '#1'
Redis.set('dqtest-rw', 'cornell ')
success, no_error = Redis.atomic_rw('dqtest-rw', evaluator)
assert success and no_error
assert Redis.get('dqtest-rw') == 'cornell #1'
Redis.delete('dqtest-rw')
def test_atomic_rw_user_abort(self):
def evaluator(x):
return None
Redis.set('dqtest-rw', 'meow')
success, no_error = Redis.atomic_rw('dqtest-rw', evaluator)
assert not success and no_error
assert Redis.get('dqtest-rw') == 'meow'
Redis.delete('dqtest-rw')
def test_atomic_rw_error(self):
def change():
Redis.set('dqtest-rw', 'cornell')
def evaluator(x):
t = threading.Thread(target=change)
t.start()
sleep(0.5)
return x + '#1'
Redis.set('dqtest-rw', 'meow')
success, no_error = Redis.atomic_rw('dqtest-rw', evaluator)
assert not success and not no_error
assert Redis.get('dqtest-rw') == 'cornell'
Redis.delete('dqtest-rw')