Files
Gymnasium/tests/wrappers/test_record_video.py
Mark Towers 799c8d20c1 Rename "rgb_array" to "rgb_array_list" and "single_rgb_array" to "rgb_array" (#3040)
* initial commit

* Fix CI

* Fixed CI

* third time the charm

* Fix mujoco environment render modes order

* Remove unnecessary changes

* pre-commit

* Fix tests

* Comment out test render modes

* Fix code review and readd mujoco

* pre-commit

* Fix testing envs

* Fix all GenericTestEnvs

* Do not run mujoco-py render environments
2022-09-01 09:06:42 -04:00

87 lines
2.8 KiB
Python

import os
import shutil
import gym
from gym.wrappers import capped_cubic_video_schedule
def test_record_video_using_default_trigger():
env = gym.make(
"CartPole-v1", render_mode="rgb_array_list", disable_env_checker=True
)
env = gym.wrappers.RecordVideo(env, "videos")
env.reset()
for _ in range(199):
action = env.action_space.sample()
_, _, terminated, truncated, _ = env.step(action)
if terminated or truncated:
env.reset()
env.close()
assert os.path.isdir("videos")
mp4_files = [file for file in os.listdir("videos") if file.endswith(".mp4")]
assert len(mp4_files) == sum(
capped_cubic_video_schedule(i) for i in range(env.episode_id + 1)
)
shutil.rmtree("videos")
def test_record_video_reset():
env = gym.make("CartPole-v1", render_mode="rgb_array", disable_env_checker=True)
env = gym.wrappers.RecordVideo(env, "videos", step_trigger=lambda x: x % 100 == 0)
ob_space = env.observation_space
obs, info = env.reset()
env.close()
assert os.path.isdir("videos")
shutil.rmtree("videos")
assert ob_space.contains(obs)
assert isinstance(info, dict)
def test_record_video_step_trigger():
env = gym.make("CartPole-v1", render_mode="rgb_array", disable_env_checker=True)
env._max_episode_steps = 20
env = gym.wrappers.RecordVideo(env, "videos", step_trigger=lambda x: x % 100 == 0)
env.reset()
for _ in range(199):
action = env.action_space.sample()
_, _, terminated, truncated, _ = env.step(action)
if terminated or truncated:
env.reset()
env.close()
assert os.path.isdir("videos")
mp4_files = [file for file in os.listdir("videos") if file.endswith(".mp4")]
assert len(mp4_files) == 2
shutil.rmtree("videos")
def make_env(gym_id, seed, **kwargs):
def thunk():
env = gym.make(gym_id, disable_env_checker=True, **kwargs)
env._max_episode_steps = 20
if seed == 1:
env = gym.wrappers.RecordVideo(
env, "videos", step_trigger=lambda x: x % 100 == 0
)
return env
return thunk
def test_record_video_within_vector():
envs = gym.vector.SyncVectorEnv(
[make_env("CartPole-v1", 1 + i, render_mode="rgb_array") for i in range(2)]
)
envs = gym.wrappers.RecordEpisodeStatistics(envs)
envs.reset()
for i in range(199):
_, _, _, _, infos = envs.step(envs.action_space.sample())
# break when every env is done
if "episode" in infos and all(infos["_episode"]):
print(f"episode_reward={infos['episode']['r']}")
assert os.path.isdir("videos")
mp4_files = [file for file in os.listdir("videos") if file.endswith(".mp4")]
assert len(mp4_files) == 2
shutil.rmtree("videos")