68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
# Copyright 2023 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for its_session_utils."""
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import logging
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import unittest
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import numpy
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import its_session_utils
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class ItsSessionUtilsTests(unittest.TestCase):
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"""Run a suite of unit tests on this module."""
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_BRIGHTNESS_CHECKS = (0.0,
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its_session_utils._VALIDATE_LIGHTING_THRESH-0.01,
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its_session_utils._VALIDATE_LIGHTING_THRESH,
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its_session_utils._VALIDATE_LIGHTING_THRESH+0.01,
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1.0)
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_TEST_IMG_W = 640
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_TEST_IMG_H = 480
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def _generate_test_image(self, brightness):
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"""Creates a Y plane array with pixel values of brightness.
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Args:
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brightness: float between [0.0, 1.0]
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Returns:
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Y plane array with elements of value brightness
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"""
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test_image = numpy.zeros((self._TEST_IMG_W, self._TEST_IMG_H, 1),
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dtype=float)
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test_image.fill(brightness)
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return test_image
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def test_validate_lighting(self):
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"""Tests validate_lighting() works correctly."""
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# Run with different brightnesses to validate.
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for brightness in self._BRIGHTNESS_CHECKS:
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logging.debug('Testing validate_lighting with brightness %.1f',
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brightness)
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test_image = self._generate_test_image(brightness)
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print(f'Testing brightness: {brightness}')
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if brightness <= its_session_utils._VALIDATE_LIGHTING_THRESH:
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self.assertRaises(
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AssertionError, its_session_utils.validate_lighting,
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test_image, 'unittest')
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else:
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self.assertTrue(its_session_utils.validate_lighting(
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test_image, 'unittest'), f'image value {brightness} should PASS')
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if __name__ == '__main__':
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unittest.main()
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