[英]Using a generator with Python mock to replicate server responses
我想使用一个列表(转换为生成器)作为我的 API 调用的模拟(使用unittest.mock
)。 我的 function 是:
def monitor_order(order_id)
order_info = client.get_order_status(order_id)
order_status = order_info['status']
while order_status != 'filled':
print('order_status: ', order_status)
time.sleep(5)
order_info = client.get_order_status(order_id)
order_status = order_info['status']
return order_info
我的测试 function 是:
@patch('my_package.client.get_order_status')
def test_monitor_order(mocked_get_order_status):
order_states = [
dict(status='open'),
dict(status='open'),
dict(status='filled'),
]
# Make into a generator
status_changes = (status for status in order_states)
mocked_get_order_status.return_value = next(order_states)
# Execute function to test
monitor_order("dummy_order")
但是,我可以看到执行测试时状态始终为“打开”:
order_status: open
order_status: open
order_status: open
我想我理解它为什么错了,但我怎样才能正确地实现它呢?
为了实现你想要的,你可以重写你的测试如下:
@patch('my_package.client.get_order_status')
def test_monitor_order(mocked_get_order_status):
order_states = [
dict(status='open'),
dict(status='open'),
dict(status='filled'),
]
mocked_get_order_status.side_effect = order_states
# Execute function to test
monitor_order("dummy_order")
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.