from helper import unittest, PillowTestCase, hopper import io from PIL import Image, IcoImagePlugin TEST_ICO_FILE = "Tests/images/hopper.ico" class TestFileIco(PillowTestCase): def test_sanity(self): im = Image.open(TEST_ICO_FILE) im.load() self.assertEqual(im.mode, "RGBA") self.assertEqual(im.size, (16, 16)) self.assertEqual(im.format, "ICO") def test_invalid_file(self): with open("Tests/images/flower.jpg", "rb") as fp: self.assertRaises(SyntaxError, IcoImagePlugin.IcoImageFile, fp) def test_save_to_bytes(self): output = io.BytesIO() im = hopper() im.save(output, "ico", sizes=[(32, 32), (64, 64)]) # the default image output.seek(0) reloaded = Image.open(output) self.assertEqual(reloaded.info['sizes'], set([(32, 32), (64, 64)])) self.assertEqual(im.mode, reloaded.mode) self.assertEqual((64, 64), reloaded.size) self.assertEqual(reloaded.format, "ICO") self.assert_image_equal(reloaded, hopper().resize((64, 64), Image.LANCZOS)) # the other one output.seek(0) reloaded = Image.open(output) reloaded.size = (32, 32) self.assertEqual(im.mode, reloaded.mode) self.assertEqual((32, 32), reloaded.size) self.assertEqual(reloaded.format, "ICO") self.assert_image_equal(reloaded, hopper().resize((32, 32), Image.LANCZOS)) def test_save_256x256(self): """Issue #2264 https://github.com/python-pillow/Pillow/issues/2264""" # Arrange im = Image.open("Tests/images/hopper_256x256.ico") outfile = self.tempfile("temp_saved_hopper_256x256.ico") # Act im.save(outfile) im_saved = Image.open(outfile) # Assert self.assertEqual(im_saved.size, (256, 256)) def test_only_save_relevant_sizes(self): """Issue #2266 https://github.com/python-pillow/Pillow/issues/2266 Should save in 16x16, 24x24, 32x32, 48x48 sizes and not in 16x16, 24x24, 32x32, 48x48, 48x48, 48x48, 48x48 sizes """ # Arrange im = Image.open("Tests/images/python.ico") # 16x16, 32x32, 48x48 outfile = self.tempfile("temp_saved_python.ico") # Act im.save(outfile) im_saved = Image.open(outfile) # Assert self.assertEqual( im_saved.info['sizes'], set([(16, 16), (24, 24), (32, 32), (48, 48)])) if __name__ == '__main__': unittest.main()