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44 lines
1.6 KiB
Python
44 lines
1.6 KiB
Python
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import pytest
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import numpy as np
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from gym.vector.tests.utils import make_env
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from gym.vector.async_vector_env import AsyncVectorEnv
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from gym.vector.sync_vector_env import SyncVectorEnv
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@pytest.mark.parametrize('shared_memory', [True, False])
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def test_vector_env_equal(shared_memory):
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env_fns = [make_env('CubeCrash-v0', i) for i in range(4)]
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num_steps = 100
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try:
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async_env = AsyncVectorEnv(env_fns, shared_memory=shared_memory)
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sync_env = SyncVectorEnv(env_fns)
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async_env.seed(0)
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sync_env.seed(0)
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assert async_env.num_envs == sync_env.num_envs
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assert async_env.observation_space == sync_env.observation_space
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assert async_env.single_observation_space == sync_env.single_observation_space
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assert async_env.action_space == sync_env.action_space
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assert async_env.single_action_space == sync_env.single_action_space
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async_observations = async_env.reset()
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sync_observations = sync_env.reset()
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assert np.all(async_observations == sync_observations)
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for _ in range(num_steps):
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actions = async_env.action_space.sample()
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assert actions in sync_env.action_space
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async_observations, async_rewards, async_dones, _ = async_env.step(actions)
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sync_observations, sync_rewards, sync_dones, _ = sync_env.step(actions)
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assert np.all(async_observations == sync_observations)
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assert np.all(async_rewards == sync_rewards)
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assert np.all(async_dones == sync_dones)
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finally:
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async_env.close()
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sync_env.close()
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