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Open Source Computer Vision Library
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36 lines
1.1 KiB
36 lines
1.1 KiB
7 years ago
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#!/usr/bin/env python
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""""Core serializaion tests."""
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import tempfile
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import os
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import cv2 as cv
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import numpy as np
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from tests_common import NewOpenCVTests
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class persistence_test(NewOpenCVTests):
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def test_yml_rw(self):
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fd, fname = tempfile.mkstemp(prefix="opencv_python_persistence_", suffix=".yml")
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os.close(fd)
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# Writing ...
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expected = np.array([[[0, 1, 2, 3, 4]]])
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fs = cv.FileStorage(fname, cv.FILE_STORAGE_WRITE)
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fs.write("test", expected)
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fs.release()
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# Reading ...
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fs = cv.FileStorage(fname, cv.FILE_STORAGE_READ)
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root = fs.getFirstTopLevelNode()
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self.assertEqual(root.name(), "test")
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test = fs.getNode("test")
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self.assertEqual(test.empty(), False)
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self.assertEqual(test.name(), "test")
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self.assertEqual(test.type(), cv.FILE_NODE_MAP)
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self.assertEqual(test.isMap(), True)
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actual = test.mat()
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self.assertEqual(actual.shape, expected.shape)
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self.assertEqual(np.array_equal(expected, actual), True)
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fs.release()
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os.remove(fname)
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