add offline env

tests/test_env/test_offline_env.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright 2023 The OpenRL Authors.
+#
+# 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
+#
+#     https://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.
+
+""""""
+import os
+import sys
+
+import numpy as np
+import pytest
+
+from openrl.configs.config import create_config_parser
+from openrl.envs.common import make
+from openrl.envs.vec_env.wrappers.gen_data import GenDataWrapper
+from openrl.envs.wrappers.monitor import Monitor
+
+env_wrappers = [
+    Monitor,
+]
+
+
+def gen_data(total_episode, data_save_path):
+    # begin to test
+    # Create an environment for testing and set the number of environments to interact with to 9. Set rendering mode to group_human.
+
+    env = make(
+        "IdentityEnv",
+        env_num=1,
+        asynchronous=True,
+        env_wrappers=env_wrappers,
+    )
+
+    env = GenDataWrapper(
+        env, data_save_path=data_save_path, total_episode=total_episode
+    )
+    env.reset()
+    done = False
+    ep_length = 0
+    while not done:
+        obs, r, done, info = env.step(env.random_action())
+        ep_length += 1
+    env.close()
+    return ep_length
+
+
+@pytest.fixture(scope="function")
+def config(request, tmp_path):
+    total_episode = 5
+    data_save_path = tmp_path / "data.pkl"
+    gen_data(total_episode, data_save_path)
+
+    cfg_parser = create_config_parser()
+    cfg = cfg_parser.parse_args(["--expert_data", str(data_save_path)])
+    return cfg
+
+
+@pytest.mark.unittest
+def test_offline_env(config):
+    # create environment
+    env = make("OfflineEnv", env_num=1, cfg=config, asynchronous=True)
+
+    for ep_index in range(10):
+        done = False
+        step = 0
+        env.reset()
+
+        while not np.all(done):
+            obs, reward, done, info = env.step(env.random_action())
+            step += 1
+
+
+if __name__ == "__main__":
+    sys.exit(pytest.main(["-sv", os.path.basename(__file__)]))