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, lambda: 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() # End of file