test_monitor.py 文件源码

python
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项目:AI-Fight-the-Landlord 作者: YoungGer 项目源码 文件源码
def test_no_monitor_reset_unless_done():
    def assert_reset_raises(env):
        errored = False
        try:
            env.reset()
        except error.Error:
            errored = True
        assert errored, "Env allowed a reset when it shouldn't have"

    with helpers.tempdir() as temp:
        # Make sure we can reset as we please without monitor
        env = gym.make('CartPole-v0')
        env.reset()
        env.step(env.action_space.sample())
        env.step(env.action_space.sample())
        env.reset()

        # can reset once as soon as we start
        env = Monitor(env, temp, video_callable=False)
        env.reset()

        # can reset multiple times in a row
        env.reset()
        env.reset()

        env.step(env.action_space.sample())
        env.step(env.action_space.sample())
        assert_reset_raises(env)

        # should allow resets after the episode is done
        d = False
        while not d:
            _, _, d, _ = env.step(env.action_space.sample())

        env.reset()
        env.reset()

        env.step(env.action_space.sample())
        assert_reset_raises(env)

        env.close()
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