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#!/usr/bin/env python
import unittest
import os
from argaze import ArScene
import numpy
class TestArSceneClass(unittest.TestCase):
"""Test ArScene class."""
def test_from_json(self):
"""Test ArScene creation from json file."""
# Edit scene file path
current_directory = os.path.dirname(os.path.abspath(__file__))
json_filepath = os.path.join(current_directory, 'utils/scene.json')
# Load scene
ar_scene = ArScene.ArScene.from_json(json_filepath)
# Check scene meta data
self.assertEqual(ar_scene.name, "TestScene")
self.assertEqual(ar_scene.aruco_dictionary.name, "DICT_ARUCO_ORIGINAL")
self.assertEqual(ar_scene.aruco_marker_size, 3.0)
# Check ArUco camera
self.assertEqual(ar_scene.aruco_camera.rms, 1.0)
self.assertIsNone(numpy.testing.assert_array_equal(ar_scene.aruco_camera.dimensions, [1920, 1080]))
self.assertIsNone(numpy.testing.assert_array_equal(ar_scene.aruco_camera.K, [[1.0, 0.0, 1.0], [0.0, 1.0, 1.0], [0.0, 0.0, 1.0]]))
self.assertIsNone(numpy.testing.assert_array_equal(ar_scene.aruco_camera.D, [-1.0, -0.5, 0.0, 0.5, 1.0]))
# Check ArUco detecter
self.assertEqual(ar_scene.aruco_detector.detection_parameters.cornerRefinementMethod, 3)
self.assertEqual(ar_scene.aruco_detector.detection_parameters.aprilTagQuadSigma, 2)
self.assertEqual(ar_scene.aruco_detector.detection_parameters.aprilTagDeglitch, 1)
# Check ArUco scene
self.assertEqual(ar_scene.angle_tolerance, 1.0)
self.assertEqual(ar_scene.distance_tolerance, 2.0)
self.assertEqual(len(ar_scene.aruco_scene.places), 2)
# Check ArUco scene places
self.assertIsNone(numpy.testing.assert_array_equal(ar_scene.aruco_scene.places['A'].translation, [1, 0, 0]))
self.assertIsNone(numpy.testing.assert_array_equal(ar_scene.aruco_scene.places['A'].rotation, [[1.,0.,0.],[0.,1.,0.],[0.,0.,1.]]))
self.assertEqual(ar_scene.aruco_scene.places['A'].marker.identifier, 0)
self.assertIsNone(numpy.testing.assert_array_equal(ar_scene.aruco_scene.places['B'].translation, [0, 1, 0]))
self.assertIsNone(numpy.testing.assert_array_almost_equal(ar_scene.aruco_scene.places['B'].rotation, [[0.,0.,1.],[0., 1.,0.],[-1.,0.,0.]]))
self.assertEqual(ar_scene.aruco_scene.places['B'].marker.identifier, 1)
# Check AOI scene
self.assertEqual(len(ar_scene.aoi_scene.items()), 1)
self.assertEqual(ar_scene.aoi_scene['Test'].size, 4)
if __name__ == '__main__':
unittest.main()
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