working on tester

tianshou/data/tester.py

@@ -1,8 +1,28 @@
 from __future__ import absolute_import
 
+import gym
+import logging
+
+
+def test_policy_in_env(policy, env, num_episodes, num_timesteps=0):
+
+    assert sum([num_episodes > 0, num_timesteps > 0]) == 1, \
+        'One and only one collection number specification permitted!'
 
-def test_policy_in_env(policy, env):
     # make another env as the original is for training data collection
-    env_ = env
+    env_id = env.spec.id
+    env_ = gym.make(env_id)
+    # current_observation = env_.reset()
 
-    pass
+    # test policy
+    if num_episodes > 0:
+        pass
+
+    if num_timesteps > 0:
+        pass
+
+    # log
+
+
+    # clear scene
+    env_.close()