mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.5 KiB
44 lines
1.5 KiB
#!/usr/bin/env python |
|
""""Core serializaion tests.""" |
|
import tempfile |
|
import os |
|
import cv2 as cv |
|
import numpy as np |
|
from tests_common import NewOpenCVTests |
|
|
|
|
|
class persistence_test(NewOpenCVTests): |
|
def test_yml_rw(self): |
|
fd, fname = tempfile.mkstemp(prefix="opencv_python_persistence_", suffix=".yml") |
|
os.close(fd) |
|
|
|
# Writing ... |
|
expected = np.array([[[0, 1, 2, 3, 4]]]) |
|
expected_str = ("Hello", "World", "!") |
|
fs = cv.FileStorage(fname, cv.FILE_STORAGE_WRITE) |
|
fs.write("test", expected) |
|
fs.write("strings", expected_str) |
|
fs.release() |
|
|
|
# Reading ... |
|
fs = cv.FileStorage(fname, cv.FILE_STORAGE_READ) |
|
root = fs.getFirstTopLevelNode() |
|
self.assertEqual(root.name(), "test") |
|
|
|
test = fs.getNode("test") |
|
self.assertEqual(test.empty(), False) |
|
self.assertEqual(test.name(), "test") |
|
self.assertEqual(test.type(), cv.FILE_NODE_MAP) |
|
self.assertEqual(test.isMap(), True) |
|
actual = test.mat() |
|
self.assertEqual(actual.shape, expected.shape) |
|
self.assertEqual(np.array_equal(expected, actual), True) |
|
|
|
strings = fs.getNode("strings") |
|
self.assertEqual(strings.isSeq(), True) |
|
self.assertEqual(strings.size(), len(expected_str)) |
|
self.assertEqual(all(strings.at(i).isString() for i in range(strings.size())), True) |
|
self.assertSequenceEqual([strings.at(i).string() for i in range(strings.size())], expected_str) |
|
fs.release() |
|
|
|
os.remove(fname)
|
|
|