initial commit

modules/python/test/test_algorithm_rw.py

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+#!/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)