mirror of
https://github.com/huggingface/lerobot.git
synced 2026-05-15 08:39:49 +00:00
Pepijn Kooijmans
63 lines
1.6 KiB
Python
63 lines
1.6 KiB
Python
#!/usr/bin/env python
|
|
|
|
# Copyright 2025 The HuggingFace Inc. team. All rights reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
from lerobot.envs.lazy_vec_env import LazyVectorEnv
|
|
|
|
|
|
class _DummyVectorEnv:
|
|
def __init__(self):
|
|
self.marker = "ok"
|
|
self.closed = False
|
|
|
|
def close(self):
|
|
self.closed = True
|
|
|
|
|
|
def test_lazy_vec_env_materializes_only_on_access():
|
|
created = []
|
|
|
|
def _make_env(fns):
|
|
created.append(len(fns))
|
|
return _DummyVectorEnv()
|
|
|
|
lazy = LazyVectorEnv(_make_env, [lambda: None, lambda: None])
|
|
assert created == []
|
|
assert lazy.num_factory_fns == 2
|
|
|
|
assert lazy.marker == "ok"
|
|
assert created == [2]
|
|
|
|
# Second access should re-use the same materialized env.
|
|
assert lazy.marker == "ok"
|
|
assert created == [2]
|
|
|
|
|
|
def test_lazy_vec_env_can_rematerialize_after_close():
|
|
created = []
|
|
|
|
def _make_env(fns):
|
|
created.append(len(fns))
|
|
return _DummyVectorEnv()
|
|
|
|
lazy = LazyVectorEnv(_make_env, [lambda: None])
|
|
lazy.materialize()
|
|
assert created == [1]
|
|
|
|
lazy.close()
|
|
lazy.materialize()
|
|
assert created == [1, 1]
|
|
|