75 lines
2.4 KiB
Python
75 lines
2.4 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 image_fov_utils."""
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import math
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import unittest
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import image_fov_utils
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class ImageFovUtilsTest(unittest.TestCase):
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"""Unit tests for this module."""
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def test_calc_expected_circle_image_ratio(self):
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"""Unit test for calc_expected_circle_image_ratio.
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Test by using 5% area circle in VGA cropped to nHD format
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"""
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ref_fov = {'w': 640, 'h': 480, 'percent': 5}
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# nHD format cut down
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img_w, img_h = 640, 360
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nhd = image_fov_utils.calc_expected_circle_image_ratio(
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ref_fov, img_w, img_h)
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self.assertTrue(math.isclose(nhd, 5*480/360, abs_tol=0.01))
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def test_check_ar(self):
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"""Unit test for aspect ratio check."""
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# Circle true
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circle = {'w': 1, 'h': 1}
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ar_gt = 1.0
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w, h = 640, 480
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e_msg_stem = 'check_ar_true'
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e_msg = image_fov_utils.check_ar(circle, ar_gt, w, h, e_msg_stem)
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self.assertIsNone(e_msg)
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# Circle false
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circle = {'w': 2, 'h': 1}
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e_msg_stem = 'check_ar_false'
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e_msg = image_fov_utils.check_ar(circle, ar_gt, w, h, e_msg_stem)
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self.assertIn('check_ar_false', e_msg)
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def test_check_crop(self):
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"""Unit test for crop check."""
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# Crop true
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circle = {'w': 100, 'h': 100, 'x_offset': 1, 'y_offset': 1}
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cc_gt = {'hori': 1.0, 'vert': 1.0}
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w, h = 640, 480
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e_msg_stem = 'check_crop_true'
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crop_thresh_factor = 1
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e_msg = image_fov_utils.check_crop(circle, cc_gt, w, h,
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e_msg_stem, crop_thresh_factor)
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self.assertIsNone(e_msg)
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# Crop false
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circle = {'w': 100, 'h': 100, 'x_offset': 2, 'y_offset': 1}
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e_msg_stem = 'check_crop_false'
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e_msg = image_fov_utils.check_crop(circle, cc_gt, w, h,
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e_msg_stem, crop_thresh_factor)
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self.assertIn('check_crop_false', e_msg)
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if __name__ == '__main__':
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unittest.main()
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