gym/tests/envs/test_lunar_lander.py at 6e96aabab051ee1ef7f61d7b7b1b8ebd5302bb61 · openai/gym · GitHub

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import pytest

try:
    import Box2D

    from gym.envs.box2d.lunar_lander import LunarLander, demo_heuristic_lander
except ImportError:
    Box2D = None


@pytest.mark.skipif(Box2D is None, reason="Box2D not installed")
def test_lunar_lander():
    _test_lander(LunarLander(), seed=0)


@pytest.mark.skipif(Box2D is None, reason="Box2D not installed")
def test_lunar_lander_continuous():
    _test_lander(LunarLander(continuous=True), seed=0)


@pytest.mark.skipif(Box2D is None, reason="Box2D not installed")
def test_lunar_lander_wind():
    _test_lander(LunarLander(enable_wind=True), seed=0)
    _test_lander(LunarLander(enable_wind=True, wind_power=5.0), seed=0)
    _test_lander(LunarLander(enable_wind=True, wind_power=0.1), seed=0)


@pytest.mark.skipif(Box2D is None, reason="Box2D not installed")
def test_lunar_lander_wind_continuous():
    _test_lander(LunarLander(continuous=True, enable_wind=True), seed=0)
    _test_lander(LunarLander(continuous=True, enable_wind=True, wind_power=5.0), seed=0)
    _test_lander(LunarLander(continuous=True, enable_wind=True, wind_power=0.1), seed=0)


@pytest.mark.skipif(Box2D is None, reason="Box2D not installed")
def _test_lander(env, seed=None, render=False):
    total_reward = demo_heuristic_lander(env, seed=seed, render=render)
    assert total_reward > 100