52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
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import pytest
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from baselines.common.tests.envs.fixed_sequence_env import FixedSequenceEnv
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from baselines.common.tests.util import simple_test
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from baselines.run import get_learn_function
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common_kwargs = dict(
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seed=0,
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total_timesteps=50000,
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)
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learn_kwargs = {
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'a2c': {},
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'ppo2': dict(nsteps=10, ent_coef=0.0, nminibatches=1),
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# TODO enable sequential models for trpo_mpi (proper handling of nbatch and nsteps)
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# github issue: https://github.com/openai/baselines/issues/188
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# 'trpo_mpi': lambda e, p: trpo_mpi.learn(policy_fn=p(env=e), env=e, max_timesteps=30000, timesteps_per_batch=100, cg_iters=10, gamma=0.9, lam=1.0, max_kl=0.001)
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}
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alg_list = learn_kwargs.keys()
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rnn_list = ['lstm']
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@pytest.mark.slow
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@pytest.mark.parametrize("alg", alg_list)
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@pytest.mark.parametrize("rnn", rnn_list)
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def test_fixed_sequence(alg, rnn):
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'''
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Test if the algorithm (with a given policy)
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can learn an identity transformation (i.e. return observation as an action)
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'''
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kwargs = learn_kwargs[alg]
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kwargs.update(common_kwargs)
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episode_len = 5
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env_fn = lambda: FixedSequenceEnv(10, episode_len=episode_len)
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learn = lambda e: get_learn_function(alg)(
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env=e,
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network=rnn,
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**kwargs
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)
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simple_test(env_fn, learn, 0.7)
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if __name__ == '__main__':
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test_fixed_sequence('ppo2', 'lstm')
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