mirror of
https://github.com/Farama-Foundation/Gymnasium.git
synced 2025-08-01 06:07:08 +00:00
36 lines
1.5 KiB
Python
36 lines
1.5 KiB
Python
import numpy as np
|
|
from nose2 import tools
|
|
from gym import envs
|
|
|
|
# This runs a smoketest on each official registered env. We may want
|
|
# to try also running environments which are not officially registered
|
|
# envs.
|
|
specs = [spec for spec in envs.registry.all() if (not spec.id.startswith("atari")) or ("space_invaders" in spec.id)] # only test space invaders out of atari games
|
|
@tools.params(*specs)
|
|
def test_env(spec):
|
|
env = spec.make()
|
|
ob_space = env.observation_space
|
|
act_space = env.action_space
|
|
ob = env.reset()
|
|
assert ob_space.contains(ob), 'Reset observation: {!r} not in space'.format(ob)
|
|
a = act_space.sample()
|
|
observation, reward, done, _info = env.step(a)
|
|
assert ob_space.contains(observation), 'Step observation: {!r} not in space'.format(observation)
|
|
assert np.isscalar(reward), "{} is not a scalar for {}".format(reward, env)
|
|
assert isinstance(done, bool), "Expected {} to be a boolean".format(done)
|
|
|
|
for mode in env.metadata.get('render.modes'):
|
|
env.render(mode=mode)
|
|
|
|
# Run a longer rollout on some environments
|
|
def test_random_rollout():
|
|
for env in [envs.make('CartPole-v0'), envs.make('FrozenLake-v0')]:
|
|
agent = lambda ob: env.action_space.sample()
|
|
ob = env.reset()
|
|
for _ in xrange(10):
|
|
assert env.observation_space.contains(ob)
|
|
a = agent(ob)
|
|
assert env.action_space.contains(a)
|
|
(ob, _reward, done, _info) = env.step(a)
|
|
if done: break
|