[rllib] support local mode (#2795)

python/ray/rllib/test/test_local.py

@@ -0,0 +1,20 @@
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import unittest
+
+from ray.rllib.agents.ppo import PPOAgent, DEFAULT_CONFIG
+import ray
+
+
+class LocalModeTest(unittest.TestCase):
+    def testLocal(self):
+        ray.init(local_mode=True)
+        cf = DEFAULT_CONFIG.copy()
+        agent = PPOAgent(cf, "CartPole-v0")
+        print(agent.train())
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)