def test_get_action(self, obs_dim, action_dim, hidden_dim):
env = TfEnv(DummyDiscreteEnv(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 = CategoricalGRUPolicy2(env_spec=env.spec,
hidden_dim=hidden_dim,
state_include_action=False)
policy.build(obs_var)
policy.reset(do_resets=None)
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)
def test_is_pickleable(self):
env = TfEnv(DummyDiscreteEnv(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 = CategoricalGRUPolicy2(env_spec=env.spec,
state_include_action=False)
policy.build(obs_var)
obs = env.reset()
policy.model._gru_cell.weights[0].load(
tf.ones_like(policy.model._gru_cell.weights[0]).eval())
output1 = self.sess.run(
[policy.distribution.logits],
feed_dict={policy.model.input: [[obs.flatten()], [obs.flatten()]]})
p = pickle.dumps(policy)
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)
# yapf: disable
output2 = sess.run(
[policy_pickled.distribution.logits],
feed_dict={
policy_pickled.model.input: [[obs.flatten()],
[obs.flatten()]]
})
# yapf: enable
assert np.array_equal(output1, output2)
def test_invalid_env(self):
env = TfEnv(DummyBoxEnv())
with pytest.raises(ValueError):
CategoricalGRUPolicy2(env_spec=env.spec)
def test_clone(self):
env = TfEnv(DummyDiscreteEnv(obs_dim=(10, ), action_dim=4))
policy = CategoricalGRUPolicy2(env_spec=env.spec)
policy_clone = policy.clone('CategoricalGRUPolicyClone')
assert policy.env_spec == policy_clone.env_spec
def test_state_info_specs_with_state_include_action(self):
env = TfEnv(DummyDiscreteEnv(obs_dim=(10, ), action_dim=4))
policy = CategoricalGRUPolicy2(env_spec=env.spec,
state_include_action=True)
assert policy.state_info_specs == [('prev_action', (4, ))]
def test_state_info_specs(self):
env = TfEnv(DummyDiscreteEnv(obs_dim=(10, ), action_dim=4))
policy = CategoricalGRUPolicy2(env_spec=env.spec,
state_include_action=False)
assert policy.state_info_specs == []