Files
Gymnasium/tests/utils/test_env_checker.py
Andrea PIERRÉ e913bc81b8 Improve pre-commit workflow (#2602)
* feat: add `isort` to `pre-commit`

* ci: skip `__init__.py` file for `isort`

* ci: make `isort` mandatory in lint pipeline

* docs: add a section on Git hooks

* ci: check isort diff

* fix: isort from master branch

* docs: add pre-commit badge

* ci: update black + bandit versions

* feat: add PR template

* refactor: PR template

* ci: remove bandit

* docs: add Black badge

* ci: try to remove all `|| true` statements

* ci: remove lint_python job

- Remove `lint_python` CI job
- Move `pyupgrade` job to `pre-commit` workflow

* fix: avoid messing with typing

* docs: add a note on running `pre-cpmmit` manually

* ci: apply `pre-commit` to the whole codebase
2022-03-31 15:50:38 -04:00

39 lines
1.1 KiB
Python

from typing import Optional
import numpy as np
import pytest
import gym
from gym.spaces import Box, Dict, Discrete
from gym.utils.env_checker import check_env
class ActionDictTestEnv(gym.Env):
action_space = Dict({"position": Discrete(1), "velocity": Discrete(1)})
observation_space = Box(low=-1.0, high=2.0, shape=(3,), dtype=np.float32)
def step(self, action):
observation = np.array([1.0, 1.5, 0.5])
reward = 1
done = True
return observation, reward, done
def reset(self, *, seed: Optional[int] = None, options: Optional[dict] = None):
super().reset(seed=seed)
return np.array([1.0, 1.5, 0.5])
def render(self, mode="human"):
pass
def test_check_env_dict_action():
# Environment.step() only returns 3 values: obs, reward, done. Not info!
test_env = ActionDictTestEnv()
with pytest.raises(AssertionError) as errorinfo:
check_env(env=test_env, warn=True)
assert (
str(errorinfo.value)
== "The `step()` method must return four values: obs, reward, done, info"
)