from .helper import PillowTestCase, hopper from PIL import Image class TestImageThumbnail(PillowTestCase): def test_sanity(self): im = hopper() im.thumbnail((100, 100)) self.assert_image(im, im.mode, (100, 100)) def test_aspect(self): im = hopper() im.thumbnail((100, 100)) self.assert_image(im, im.mode, (100, 100)) im = hopper().resize((128, 256)) im.thumbnail((100, 100)) self.assert_image(im, im.mode, (50, 100)) im = hopper().resize((128, 256)) im.thumbnail((50, 100)) self.assert_image(im, im.mode, (50, 100)) im = hopper().resize((256, 128)) im.thumbnail((100, 100)) self.assert_image(im, im.mode, (100, 50)) im = hopper().resize((256, 128)) im.thumbnail((100, 50)) self.assert_image(im, im.mode, (100, 50)) im = hopper().resize((128, 128)) im.thumbnail((100, 100)) self.assert_image(im, im.mode, (100, 100)) def test_no_resize(self): # Check that draft() can resize the image to the destination size im = Image.open("Tests/images/hopper.jpg") im.draft(None, (64, 64)) self.assertEqual(im.size, (64, 64)) # Test thumbnail(), where only draft() is necessary to resize the image im = Image.open("Tests/images/hopper.jpg") im.thumbnail((64, 64)) self.assert_image(im, im.mode, (64, 64))