Pillow/Tests/test_image_load.py

34 lines
738 B
Python

from helper import unittest, PillowTestCase, hopper
from PIL import Image
import os
class TestImageLoad(PillowTestCase):
def test_sanity(self):
im = hopper()
pix = im.load()
self.assertEqual(pix[0, 0], (20, 20, 70))
def test_close(self):
im = Image.open("Tests/images/hopper.gif")
im.close()
self.assertRaises(ValueError, im.load)
self.assertRaises(ValueError, lambda: im.getpixel((0, 0)))
def test_contextmanager(self):
fn = None
with Image.open("Tests/images/hopper.gif") as im:
fn = im.fp.fileno()
os.fstat(fn)
self.assertRaises(OSError, lambda: os.fstat(fn))
if __name__ == '__main__':
unittest.main()