DBC/local_dm_control_suite/utils/parse_amc_test.py

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2020-10-12 22:39:25 +00:00
# Copyright 2017 The dm_control Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============================================================================
"""Tests for parse_amc utility."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import os
# Internal dependencies.
from absl.testing import absltest
from local_dm_control_suite import humanoid_CMU
from dm_control.suite.utils import parse_amc
from dm_control.utils import io as resources
_TEST_AMC_PATH = resources.GetResourceFilename(
os.path.join(os.path.dirname(__file__), '../demos/zeros.amc'))
class ParseAMCTest(absltest.TestCase):
def test_sizes_of_parsed_data(self):
# Instantiate the humanoid environment.
env = humanoid_CMU.stand()
# Parse and convert specified clip.
converted = parse_amc.convert(
_TEST_AMC_PATH, env.physics, env.control_timestep())
self.assertEqual(converted.qpos.shape[0], 63)
self.assertEqual(converted.qvel.shape[0], 62)
self.assertEqual(converted.time.shape[0], converted.qpos.shape[1])
self.assertEqual(converted.qpos.shape[1],
converted.qvel.shape[1] + 1)
# Parse and convert specified clip -- WITH SMALLER TIMESTEP
converted2 = parse_amc.convert(
_TEST_AMC_PATH, env.physics, 0.5 * env.control_timestep())
self.assertEqual(converted2.qpos.shape[0], 63)
self.assertEqual(converted2.qvel.shape[0], 62)
self.assertEqual(converted2.time.shape[0], converted2.qpos.shape[1])
self.assertEqual(converted.qpos.shape[1],
converted.qvel.shape[1] + 1)
# Compare sizes of parsed objects for different timesteps
self.assertEqual(converted.qpos.shape[1] * 2, converted2.qpos.shape[1])
if __name__ == '__main__':
absltest.main()