opencv/modules/python/test/test_fs_cache_dir.py
Alexander Smorkalov 2e429268ff
Merge pull request #19668 from asmorkalov:as/filesystem_py
* Add Python Bindings for getCacheDirectory function

* Added getCacheDirectory interop test with image codecs.

Co-authored-by: Sergey Slashchinin <sergei.slashchinin@xperience.ai>
2021-03-04 16:17:57 +00:00

42 lines
1.3 KiB
Python

# Python 2/3 compatibility
from __future__ import print_function
import numpy as np
import cv2 as cv
import os
import datetime
from tests_common import NewOpenCVTests
class get_cache_dir_test(NewOpenCVTests):
def test_get_cache_dir(self):
#New binding
path = cv.utils.fs.getCacheDirectoryForDownloads()
self.assertTrue(os.path.exists(path))
self.assertTrue(os.path.isdir(path))
def get_cache_dir_imread_interop(self, ext):
path = cv.utils.fs.getCacheDirectoryForDownloads()
gold_image = np.ones((16, 16, 3), np.uint8)
read_from_file = np.zeros((16, 16, 3), np.uint8)
test_file_name = os.path.join(path, "test." + ext)
try:
cv.imwrite(test_file_name, gold_image)
read_from_file = cv.imread(test_file_name)
finally:
os.remove(test_file_name)
self.assertEqual(cv.norm(gold_image, read_from_file), 0)
def test_get_cache_dir_imread_interop_png(self):
self.get_cache_dir_imread_interop("png")
def test_get_cache_dir_imread_interop_jpeg(self):
self.get_cache_dir_imread_interop("jpg")
def test_get_cache_dir_imread_interop_tiff(self):
self.get_cache_dir_imread_interop("tif")
if __name__ == '__main__':
NewOpenCVTests.bootstrap()