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views_test.py
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144 lines (115 loc) · 5.26 KB
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# Copyright 2018 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 the views.py module."""
from absl.testing import absltest
from dm_control.viewer import views
import mock
import numpy as np
class ColumnTextViewTest(absltest.TestCase):
def setUp(self):
super().setUp()
self.model = mock.MagicMock()
self.view = views.ColumnTextView(self.model)
self.context = mock.MagicMock()
self.viewport = mock.MagicMock()
self.location = views.PanelLocation.TOP_LEFT
def test_rendering_empty_columns(self):
self.model.get_columns.return_value = []
with mock.patch(views.__name__ + '.mujoco') as mjlib_mock:
self.view.render(self.context, self.viewport, self.location)
self.assertEqual(0, mjlib_mock.mjr_overlay.call_count)
def test_rendering(self):
self.model.get_columns.return_value = [('', '')]
with mock.patch(views.__name__ + '.mujoco') as mjlib_mock:
self.view.render(self.context, self.viewport, self.location)
mjlib_mock.mjr_overlay.assert_called_once()
class MujocoDepthBufferTests(absltest.TestCase):
def setUp(self):
super().setUp()
self.component = views.MujocoDepthBuffer()
self.context = mock.MagicMock()
self.viewport = mock.MagicMock()
def test_updating_buffer_size_after_viewport_resize(self):
self.component._depth_buffer = np.zeros((1, 1), np.float32)
self.viewport.width = 10
self.viewport.height = 10
with mock.patch(views.__name__ + '.mujoco'):
self.component.render(context=self.context, viewport=self.viewport)
self.assertEqual((10, 10), self.component._depth_buffer.shape)
def test_reading_depth_data(self):
with mock.patch(views.__name__ + '.mujoco') as mjlib_mock:
self.component.render(context=self.context, viewport=self.viewport)
mjlib_mock.mjr_readPixels.assert_called_once()
self.assertIsNone(mjlib_mock.mjr_readPixels.call_args[0][0])
@absltest.skip('b/222664582')
def test_rendering_position_fixed_to_bottom_right_quarter_of_viewport(self):
self.viewport.width = 100
self.viewport.height = 100
expected_rect = [75, 0, 25, 25]
with mock.patch(views.__name__ + '.mujoco') as mjlib_mock:
self.component.render(context=self.context, viewport=self.viewport)
mjlib_mock.mjr_drawPixels.assert_called_once()
render_rect = mjlib_mock.mjr_drawPixels.call_args[0][2]
self.assertEqual(expected_rect[0], render_rect.left)
self.assertEqual(expected_rect[1], render_rect.bottom)
self.assertEqual(expected_rect[2], render_rect.width)
self.assertEqual(expected_rect[3], render_rect.height)
class ViewportLayoutTest(absltest.TestCase):
def setUp(self):
super().setUp()
self.layout = views.ViewportLayout()
self.context = mock.MagicMock()
self.viewport = mock.MagicMock()
def test_added_elements_need_to_be_a_view(self):
self.element = mock.MagicMock()
with self.assertRaises(TypeError):
self.layout.add(self.element, views.PanelLocation.TOP_LEFT)
def test_adding_component(self):
self.element = mock.MagicMock(spec=views.BaseViewportView)
self.layout.add(self.element, views.PanelLocation.TOP_LEFT)
self.assertLen(self.layout, 1)
def test_adding_same_component_twice_updates_location(self):
self.element = mock.MagicMock(spec=views.BaseViewportView)
self.layout.add(self.element, views.PanelLocation.TOP_LEFT)
self.layout.add(self.element, views.PanelLocation.TOP_RIGHT)
self.assertEqual(
views.PanelLocation.TOP_RIGHT, self.layout._views[self.element])
def test_removing_component(self):
self.element = mock.MagicMock(spec=views.BaseViewportView)
self.layout._views[self.element] = views.PanelLocation.TOP_LEFT
self.layout.remove(self.element)
self.assertEmpty(self.layout)
def test_removing_unregistered_component(self):
self.element = mock.MagicMock(spec=views.BaseViewportView)
self.layout.remove(self.element) # No error is raised
def test_clearing_layout(self):
pos = views.PanelLocation.TOP_LEFT
self.layout._views = {mock.MagicMock(spec=views.BaseViewportView): pos
for _ in range(3)}
self.layout.clear()
self.assertEmpty(self.layout)
def test_rendering_layout(self):
positions = [
views.PanelLocation.TOP_LEFT,
views.PanelLocation.TOP_RIGHT,
views.PanelLocation.BOTTOM_LEFT]
self.layout._views = {mock.MagicMock(spec=views.BaseViewportView): pos
for pos in positions}
self.layout.render(self.context, self.viewport)
for view, location in self.layout._views.items():
view.render.assert_called_once()
self.assertEqual(location, view.render.call_args[0][2])
if __name__ == '__main__':
absltest.main()