| #!/usr/bin/env python | |
| """Algorithm serialization test.""" | |
| import tempfile | |
| import os | |
| import cv2 as cv | |
| from tests_common import NewOpenCVTests | |
| class algorithm_rw_test(NewOpenCVTests): | |
| def test_algorithm_rw(self): | |
| fd, fname = tempfile.mkstemp(prefix="opencv_python_algorithm_", suffix=".yml") | |
| os.close(fd) | |
| # some arbitrary non-default parameters | |
| gold = cv.AKAZE_create(descriptor_size=1, descriptor_channels=2, nOctaves=3, threshold=4.0) | |
| gold.write(cv.FileStorage(fname, cv.FILE_STORAGE_WRITE), "AKAZE") | |
| fs = cv.FileStorage(fname, cv.FILE_STORAGE_READ) | |
| algorithm = cv.AKAZE_create() | |
| algorithm.read(fs.getNode("AKAZE")) | |
| self.assertEqual(algorithm.getDescriptorSize(), 1) | |
| self.assertEqual(algorithm.getDescriptorChannels(), 2) | |
| self.assertEqual(algorithm.getNOctaves(), 3) | |
| self.assertEqual(algorithm.getThreshold(), 4.0) | |
| os.remove(fname) | |