Pillow/Tests/test_image_quantize.py
Andrew Murray 60902efeb0 Added test
2015-08-22 23:03:11 +10:00

40 lines
907 B
Python

from helper import unittest, PillowTestCase, hopper
from PIL import Image
class TestImageQuantize(PillowTestCase):
def test_sanity(self):
im = hopper()
im = im.quantize()
self.assert_image(im, "P", im.size)
im = hopper()
im = im.quantize(palette=hopper("P"))
self.assert_image(im, "P", im.size)
def test_octree_quantize(self):
im = hopper()
im = im.quantize(100, Image.FASTOCTREE)
self.assert_image(im, "P", im.size)
assert len(im.getcolors()) == 100
def test_rgba_quantize(self):
im = hopper('RGBA')
im.quantize()
self.assertRaises(Exception, lambda: im.quantize(method=0))
def test_quantize(self):
im = Image.open('Tests/images/caption_6_33_22.png')
im.convert('RGB').quantize().convert('RGB')
if __name__ == '__main__':
unittest.main()
# End of file