def test_resize(self):
name, width, height = resize(self.img_location, 'images/test_image_small.jpg', 400)
self.assertEqual(name, 'images/test_image_small.jpg')
self.assertEqual(width, 400)
self.assertEqual(height, 300)
# preserves aspect ratio and creates new files as needed, returning correct name
name, width, height = resize(self.img_location, 'images/test_image_small.jpg', 200, 200)
self.assertEqual(name, 'images/test_image_small_1.jpg')
self.assertEqual(width, 200)
self.assertEqual(height, 150)
# just double check to be sure it got saved here
self.assertTrue('images/test_image_small_1.jpg' in self.storage._files)
img_buf = StringIO(self.storage._files['images/test_image_small_1.jpg'])
img = Image.open(img_buf)
self.assertEqual((200, 150), img.size)
def test_resize_to_same(self):
# a special case that ensures resizing an image to the same destination
# does not result in multiple files being created
name, width, height = resize(self.img_location, self.img_location, 400)
# check that it was resized and saved here
img_buf = StringIO(self.storage._files[self.img_location])
img = Image.open(img_buf)
self.assertEqual((400, 300), img.size)
def delayed_resize(source, dest, width, height=None):
resize(source, dest, width, height)