def test_gaussian_lstm_policy(self): gaussian_lstm_policy = GaussianLSTMPolicy(env_spec=self.env, hidden_dim=1, state_include_action=False) self.sess.run(tf.compat.v1.global_variables_initializer()) gaussian_lstm_policy.build(self.obs_var) gaussian_lstm_policy.reset() obs = self.env.observation_space.high assert gaussian_lstm_policy.get_action(obs)
def test_is_pickleable(self): env = MetaRLEnv(DummyBoxEnv(obs_dim=(1, ), action_dim=(1, ))) obs_var = tf.compat.v1.placeholder( tf.float32, shape=[None, None, env.observation_space.flat_dim], name='obs') policy = GaussianLSTMPolicy(env_spec=env.spec, state_include_action=False) policy.build(obs_var) env.reset() obs = env.reset() with tf.compat.v1.variable_scope( 'GaussianLSTMPolicy/GaussianLSTMModel', reuse=True): param = tf.compat.v1.get_variable( 'dist_params/log_std_param/parameter') # assign it to all one param.load(tf.ones_like(param).eval()) output1 = self.sess.run( [policy.distribution.loc, policy.distribution.stddev()], feed_dict={policy.model.input: [[obs.flatten()], [obs.flatten()]]}) p = pickle.dumps(policy) # yapf: disable with tf.compat.v1.Session(graph=tf.Graph()) as sess: policy_pickled = pickle.loads(p) obs_var = tf.compat.v1.placeholder( tf.float32, shape=[None, None, env.observation_space.flat_dim], name='obs') policy_pickled.build(obs_var) output2 = sess.run( [ policy_pickled.distribution.loc, policy_pickled.distribution.stddev() ], feed_dict={ policy_pickled.model.input: [[obs.flatten()], [obs.flatten()]] }) assert np.array_equal(output1, output2)
def test_get_action(self, obs_dim, action_dim, hidden_dim): env = MetaRLEnv(DummyBoxEnv(obs_dim=obs_dim, action_dim=action_dim)) obs_var = tf.compat.v1.placeholder( tf.float32, shape=[None, None, env.observation_space.flat_dim], name='obs') policy = GaussianLSTMPolicy(env_spec=env.spec, hidden_dim=hidden_dim, state_include_action=False) policy.build(obs_var) policy.reset() obs = env.reset() action, _ = policy.get_action(obs.flatten()) assert env.action_space.contains(action) actions, _ = policy.get_actions([obs.flatten()]) for action in actions: assert env.action_space.contains(action)