<commit_before>import numpy as np
from nose2 import tools
import os

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()]
@tools.params(*specs)
def test_env(spec):
    # Skip for deprecated envs
    if spec._entry_point is None:
        return

    # Skip mujoco tests for pull request CI
    skip_mujoco = os.environ.get('TRAVIS_PULL_REQUEST', 'false') != 'false'
    if skip_mujoco and spec._entry_point.startswith('gym.envs.mujoco:'):
        return

    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)
    env.render(close=True)

# 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 range(10):
            assert env.observation_space.contains(ob)
            a = agent(ob)<commit_msg>Skip Box2D tests for now<commit_after>import numpy as np
from nose2 import tools
import os

import logging
logger = logging.getLogger(__name__)

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()]
@tools.params(*specs)
def test_env(spec):
    # Skip for deprecated envs
    if spec._entry_point is None:
        return

    # Skip mujoco tests for pull request CI
    skip_mujoco = os.environ.get('TRAVIS_PULL_REQUEST', 'false') != 'false'
    if skip_mujoco and spec._entry_point.startswith('gym.envs.mujoco:'):
        return

    # TODO(jonas 2016-05-11): Re-enable these tests after fixing box2d-py
    if spec._entry_point.startswith('gym.envs.box2d:'):
        logger.warn("Skipping tests for box2d env {}".format(spec._entry_point))
        return

    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)
    env.render(close=True)

# 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 range(10):
            assert env.observation_space.contains(ob)
            a = agent(ob)
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{'dir': 'git-commits-cleaned', 'id': '895457', 'n_tokens_mistral': 1130, 'n_tokens_neox': 1116, 'n_words': 328}