add MAT network test

tests/test_modules/test_networks/test_MAT_network.py

@@ -0,0 +1,59 @@
+#!/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 gymnasium import spaces
+
+from openrl.configs.config import create_config_parser
+from openrl.modules.networks.MAT_network import MultiAgentTransformer
+
+
+@pytest.fixture(scope="module", params=[""])
+def config(request):
+    cfg_parser = create_config_parser()
+    cfg = cfg_parser.parse_args(request.param.split())
+    return cfg
+
+
+@pytest.mark.unittest
+def test_MAT_network(config):
+    net = MultiAgentTransformer(
+        config,
+        input_space=spaces.Discrete(2),
+        action_space=spaces.Discrete(2),
+    )
+    net.get_actor_para()
+    net.get_critic_para()
+
+    obs = np.zeros([1, 2])
+    rnn_states = np.zeros(2)
+    masks = np.zeros(2)
+    action = np.zeros(1)
+    net.get_actions(obs=obs, masks=masks)
+    net.eval_actions(
+        obs=obs, rnn_states=rnn_states, action=action, masks=masks, action_masks=None
+    )
+    net.get_values(critic_obs=obs, masks=masks)
+
+
+if __name__ == "__main__":
+    sys.exit(pytest.main(["-sv", os.path.basename(__file__)]))