def test_sharpened_images(kernsize, fname):
inpfile = os.path.join(TEST_DIRECTORY, 'test_images', '%s.png' % fname)
expfile = os.path.join(TEST_DIRECTORY, 'test_results',
'%s_sharp_%02d.png' % (fname, kernsize))
input_img = lab.load_image(inpfile)
input_hash = object_hash(input_img)
result = lab.sharpened(input_img, kernsize)
expected = lab.load_image(expfile)
assert object_hash(
input_img
) == input_hash, "Be careful not to modify the original image!"
compare_images(result, expected)
def test_sharpened(self):
for kernsize in (1, 3, 9):
for fname in ('mushroom', 'twocats', 'chess'):
with self.subTest(k=kernsize, f=fname):
inpfile = os.path.join(TEST_DIRECTORY, 'test_images', '%s.png' % fname)
expfile = os.path.join(TEST_DIRECTORY, 'test_results', '%s_sharp_%02d.png' % (fname, kernsize))
input_img = lab.load_image(inpfile)
input_hash = object_hash(input_img)
result = lab.sharpened(input_img, kernsize)
expected = lab.load_image(expfile)
self.assertEqual(object_hash(input_img), input_hash, "Be careful not to modify the original image!")
self.compare_images(result, expected)
def test_sharpened_1(self):
im = lab.load_image('test_images/python.png')
result = lab.sharpened(im, 11)
lab.save_image(result,
'/Users/yaxinliu/Downloads/lab0/sharpenedImage.png')