ray/rllib/tests/test_vector_env.py
Balaji Veeramani 7f1bacc7dc
[CI] Format Python code with Black (#21975)
See #21316 and #21311 for the motivation behind these changes.
2022-01-29 18:41:57 -08:00

35 lines
710 B
Python

import gym
import unittest
from ray.rllib.env.vector_env import VectorEnv
class Info(dict):
pass
class MockEnvDictSubclass(gym.Env):
def __init__(self):
self.observation_space = gym.spaces.Discrete(1)
self.action_space = gym.spaces.Discrete(2)
def reset(self):
return 0
def step(self, action):
return 0, 1, True, Info()
class TestExternalEnv(unittest.TestCase):
def test_vector_step(self):
env = VectorEnv.vectorize_gym_envs(
make_env=lambda _: MockEnvDictSubclass(), num_envs=3
)
env.vector_step([0] * 3)
if __name__ == "__main__":
import pytest
import sys
sys.exit(pytest.main(["-v", __file__]))