[FixingPytests] Added the new Semantic and modified the pytest

python/requirements.txt

 matplotlib
 numpy>=1.11.0
 jupyter
-mock>=2.0.0
 pytest>=3.2.2
 docopt
 pyyaml

python/tests/test_bc.py

-import mock
+import unittest.mock as mock
 import pytest
 
 import numpy as np

python/tests/test_ppo.py

-import mock
+import unittest.mock as mock
 import pytest
 
 import numpy as np

python/tests/test_unityagents.py

 import json
-import mock
+import unittest.mock as mock
 import pytest
 import struct
 
           "agents": [1,2],
           "vectorObservations": [1,2,3,4,5,6,1,2,3,4,5,6],
           "rewards": [1,2],
-          "vectorActions": [1,2,3,4],
+          "previousVectorActions": [1,2,3,4],
+          "previousTextActions":["",""],
           "memories": [],
           "dones": [false, false],
           "maxes": [false, false],
   "agents": [1,2,3],
   "vectorObservations": [1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9],
   "rewards": [1,2,3],
-  "vectorActions": [1,2,3,4,5,6],
+  "previousVectorActions": [1,2,3,4,5,6],
+  "previousTextActions":["","",""],
   "memories": [],
   "dones": [false, false, false],
   "maxes": [false, false, false],
   "agents": [1,2,3],
   "vectorObservations": [1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9],
   "rewards": [1,2,3],
-  "vectorActions": [1,2,3,4,5,6],
+  "previousVectorActions": [1,2,3,4,5,6],
+  "previousTextActions":["","",""],
   "memories": [],
   "dones": [false, false, true],
   "maxes": [false, false, false],

python/tests/test_unitytrainers.py

 import yaml
-import mock
+import unittest.mock as mock
 import pytest
 
 from unitytrainers.trainer_controller import TrainerController
                 mock_socket.return_value.accept.return_value = (mock_socket, 0)
                 mock_socket.recv.return_value.decode.return_value = dummy_start
                 tc = TrainerController(' ', ' ', 1, None, True, True, False, 1,
-                                       1, 1, 1)
+                                       1, 1, 1, '', "tests/test_unitytrainers.py")
-    open_name = '%s.open' % __name__
+    open_name = 'unitytrainers.trainer_controller' + '.open'
-        with mock.patch(open_name, create=True) as mock_open:
-            mock_open.return_value = 0
-            mock_load.return_value = dummy_config
-            config = TrainerController._load_config("tests/test_unitytrainers.py")
-            assert(len(config) == 1)
-            assert(config['default']['trainer'] == "ppo")
+        with mock.patch(open_name, create=True) as _:
+            with mock.patch('subprocess.Popen'):
+                with mock.patch('socket.socket') as mock_socket:
+                    with mock.patch('glob.glob') as mock_glob:
+                        mock_load.return_value = dummy_config
+                        mock_glob.return_value = ['FakeLaunchPath']
+                        mock_socket.return_value.accept.return_value = (mock_socket, 0)
+                        mock_socket.recv.return_value.decode.return_value = dummy_start
+                        mock_load.return_value = dummy_config
+                        tc = TrainerController(' ', ' ', 1, None, True, True, False, 1,
+                                                   1, 1, 1, '','')
+                        config = tc._load_config()
+                        assert(len(config) == 1)
+                        assert(config['default']['trainer'] == "ppo")
-    open_name = '%s.open' % __name__
+    open_name = 'unitytrainers.trainer_controller' + '.open'
-        with mock.patch(open_name, create=True) as mock_open:
-            mock_open.return_value = 0
+        with mock.patch(open_name, create=True) as _:
             with mock.patch('subprocess.Popen'):
                 with mock.patch('socket.socket') as mock_socket:
                     with mock.patch('glob.glob') as mock_glob:
                         tc = TrainerController(' ', ' ', 1, None, True, True, False, 1,
-                                               1, 1, 1)
+                                               1, 1, 1, '', "tests/test_unitytrainers.py")
-                        config = tc._load_config("tests/test_unitytrainers.py")
+                        config = tc._load_config()
                         tf.reset_default_graph()
                         with tf.Session() as sess:
                             tc._initialize_trainers(config, sess)
                         # Test for Behavior Cloning Trainer
                         mock_load.return_value = dummy_bc_config
-                        config = tc._load_config("tests/test_unitytrainers.py")
+                        config = tc._load_config()
                         tf.reset_default_graph()
                         with tf.Session() as sess:
                             tc._initialize_trainers(config, sess)
                         mock_load.return_value = dummy_bad_config
-                        config = tc._load_config("tests/test_unitytrainers.py")
+                        config = tc._load_config()
                         tf.reset_default_graph()
                         with tf.Session() as sess:
                             with pytest.raises(UnityEnvironmentException):