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lerobot/tests/envs/test_robocasa.py
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2026-07-30 15:20:56 +02:00

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Python

from __future__ import annotations
from collections.abc import Callable, Sequence
from unittest.mock import Mock, call
import pytest
from lerobot.envs import robocasa
from lerobot.envs.configs import RoboCasaEnv as RoboCasaEnvConfig
def _instantiate_envs(
factories: Sequence[Callable[[], robocasa.RoboCasaEnv]],
) -> list[robocasa.RoboCasaEnv]:
return [factory() for factory in factories]
def test_robocasa_config_uses_registered_horizon_by_default() -> None:
assert RoboCasaEnvConfig().episode_length is None
def test_multi_task_envs_use_registered_horizons(monkeypatch: pytest.MonkeyPatch) -> None:
horizons = {"CloseFridge": 900, "SearingMeat": 4350}
get_task_horizon = Mock(side_effect=horizons.__getitem__)
monkeypatch.setattr(robocasa, "_get_task_horizon", get_task_horizon)
envs = robocasa.create_robocasa_envs(
task="CloseFridge,SearingMeat",
n_envs=1,
env_cls=_instantiate_envs,
)
assert envs["CloseFridge"][0][0]._max_episode_steps == 900
assert envs["SearingMeat"][0][0]._max_episode_steps == 4350
assert get_task_horizon.call_args_list == [call("CloseFridge"), call("SearingMeat")]
def test_explicit_episode_length_overrides_registered_horizons(monkeypatch: pytest.MonkeyPatch) -> None:
get_task_horizon = Mock()
monkeypatch.setattr(robocasa, "_get_task_horizon", get_task_horizon)
envs = robocasa.create_robocasa_envs(
task="CloseFridge,SearingMeat",
n_envs=1,
env_cls=_instantiate_envs,
episode_length=1234,
)
assert envs["CloseFridge"][0][0]._max_episode_steps == 1234
assert envs["SearingMeat"][0][0]._max_episode_steps == 1234
get_task_horizon.assert_not_called()