Pillow/Tests/test_image_getdata.py

34 lines
995 B
Python

from helper import unittest, PillowTestCase, hopper
class TestImageGetData(PillowTestCase):
def test_sanity(self):
data = hopper().getdata()
len(data)
list(data)
self.assertEqual(data[0], (20, 20, 70))
def test_roundtrip(self):
def getdata(mode):
im = hopper(mode).resize((32, 30))
data = im.getdata()
return data[0], len(data), len(list(data))
self.assertEqual(getdata("1"), (0, 960, 960))
self.assertEqual(getdata("L"), (16, 960, 960))
self.assertEqual(getdata("I"), (16, 960, 960))
self.assertEqual(getdata("F"), (16.0, 960, 960))
self.assertEqual(getdata("RGB"), (((11, 13, 52), 960, 960)))
self.assertEqual(getdata("RGBA"), ((11, 13, 52, 255), 960, 960))
self.assertEqual(getdata("CMYK"), ((244, 242, 203, 0), 960, 960))
self.assertEqual(getdata("YCbCr"), ((16, 147, 123), 960, 960))
if __name__ == '__main__':
unittest.main()