Pillow/Tests/test_image_load.py
2019-03-06 21:55:32 +11:00

38 lines
871 B
Python

from .helper import 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, 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, os.fstat, fn)
def test_contextmanager_non_exclusive_fp(self):
with open("Tests/images/hopper.gif", "rb") as fp:
with Image.open(fp):
pass
self.assertFalse(fp.closed)