Exemplo n.º 1
0
    def test_get_qval_sym(self, obs_dim, action_dim):
        env = GarageEnv(DummyBoxEnv(obs_dim=obs_dim, action_dim=action_dim))
        with mock.patch(('garage.tf.q_functions.'
                         'continuous_mlp_q_function.MLPMergeModel'),
                        new=SimpleMLPMergeModel):
            qf = ContinuousMLPQFunction(env_spec=env.spec)
        env.reset()
        obs, _, _, _ = env.step(1)
        obs = obs.flatten()
        act = np.full(action_dim, 0.5).flatten()

        output1 = qf.get_qval([obs], [act])

        input_var1 = tf.compat.v1.placeholder(tf.float32,
                                              shape=(None, obs.shape[0]))
        input_var2 = tf.compat.v1.placeholder(tf.float32,
                                              shape=(None, act.shape[0]))
        q_vals = qf.get_qval_sym(input_var1, input_var2, 'another')
        output2 = self.sess.run(q_vals,
                                feed_dict={
                                    input_var1: [obs],
                                    input_var2: [act]
                                })

        expected_output = np.full((1, ), 0.5)

        assert np.array_equal(output1, output2)
        assert np.array_equal(output2[0], expected_output)
Exemplo n.º 2
0
class TestContinuousMLPQFunctionTransit(TfGraphTestCase):
    @mock.patch('tensorflow.random.normal')
    def setUp(self, mock_rand):
        mock_rand.return_value = 0.5
        super().setUp()
        self.obs_dim = (5, )
        self.act_dim = (2, )
        self.box_env = TfEnv(
            DummyBoxEnv(obs_dim=self.obs_dim, action_dim=self.act_dim))
        self.qf1 = ContinuousMLPQFunction(env_spec=self.box_env,
                                          hidden_sizes=(32, 32),
                                          name='QF1')
        self.qf2 = ContinuousMLPQFunction(env_spec=self.box_env,
                                          hidden_sizes=(64, 64),
                                          name='QF2')
        self.qf3 = ContinuousMLPQFunctionWithModel(env_spec=self.box_env,
                                                   hidden_sizes=(32, 32),
                                                   name='QF3')
        self.qf4 = ContinuousMLPQFunctionWithModel(env_spec=self.box_env,
                                                   hidden_sizes=(64, 64),
                                                   name='QF4')

        self.sess.run(tf.global_variables_initializer())

        for a, b in zip(self.qf3.get_trainable_vars(),
                        self.qf1.get_trainable_vars()):
            self.sess.run(a.assign(b))
        for a, b in zip(self.qf4.get_trainable_vars(),
                        self.qf2.get_trainable_vars()):
            self.sess.run(a.assign(b))

        self.obs = self.box_env.reset()
        self.act = np.full((2, ), 0.5)

    def test_get_qval(self):
        q_val1 = self.qf1.get_qval([self.obs], [self.act])
        q_val2 = self.qf2.get_qval([self.obs], [self.act])
        q_val3 = self.qf3.get_qval([self.obs], [self.act])
        q_val4 = self.qf4.get_qval([self.obs], [self.act])

        assert np.array_equal(q_val1, q_val3)
        assert np.array_equal(q_val2, q_val4)

        q_val1 = self.qf1.get_qval([self.obs, self.obs], [self.act, self.act])
        q_val2 = self.qf2.get_qval([self.obs, self.obs], [self.act, self.act])
        q_val3 = self.qf3.get_qval([self.obs, self.obs], [self.act, self.act])
        q_val4 = self.qf4.get_qval([self.obs, self.obs], [self.act, self.act])

        assert np.array_equal(q_val1, q_val3)
        assert np.array_equal(q_val2, q_val4)

    def test_get_qval_sym(self):
        obs_ph = tf.placeholder(tf.float32, shape=(None, ) + self.obs_dim)
        act_ph = tf.placeholder(tf.float32, shape=(None, ) + self.act_dim)

        qval_sym1 = self.qf1.get_qval_sym(obs_ph, act_ph, name='qval_sym')
        qval_sym2 = self.qf2.get_qval_sym(obs_ph, act_ph, name='qval_sym')
        qval_sym3 = self.qf3.get_qval_sym(obs_ph, act_ph, name='qval_sym')
        qval_sym4 = self.qf4.get_qval_sym(obs_ph, act_ph, name='qval_sym')

        q_val1 = self.sess.run(qval_sym1,
                               feed_dict={
                                   obs_ph: [self.obs],
                                   act_ph: [self.act]
                               })
        q_val2 = self.sess.run(qval_sym2,
                               feed_dict={
                                   obs_ph: [self.obs],
                                   act_ph: [self.act]
                               })
        q_val3 = self.sess.run(qval_sym3,
                               feed_dict={
                                   obs_ph: [self.obs],
                                   act_ph: [self.act]
                               })
        q_val4 = self.sess.run(qval_sym4,
                               feed_dict={
                                   obs_ph: [self.obs],
                                   act_ph: [self.act]
                               })

        assert np.array_equal(q_val1, q_val3)
        assert np.array_equal(q_val2, q_val4)