import io import pytest from PIL import IcoImagePlugin, Image, ImageDraw from .helper import assert_image_equal, assert_image_equal_tofile, hopper TEST_ICO_FILE = "Tests/images/hopper.ico" def test_sanity(): with Image.open(TEST_ICO_FILE) as im: im.load() assert im.mode == "RGBA" assert im.size == (16, 16) assert im.format == "ICO" assert im.get_format_mimetype() == "image/x-icon" def test_black_and_white(): with Image.open("Tests/images/black_and_white.ico") as im: assert im.mode == "RGBA" assert im.size == (16, 16) def test_invalid_file(): with open("Tests/images/flower.jpg", "rb") as fp: with pytest.raises(SyntaxError): IcoImagePlugin.IcoImageFile(fp) def test_save_to_bytes(): output = io.BytesIO() im = hopper() im.save(output, "ico", sizes=[(32, 32), (64, 64)]) # The default image output.seek(0) with Image.open(output) as reloaded: assert reloaded.info["sizes"] == {(32, 32), (64, 64)} assert im.mode == reloaded.mode assert (64, 64) == reloaded.size assert reloaded.format == "ICO" assert_image_equal(reloaded, hopper().resize((64, 64), Image.LANCZOS)) # The other one output.seek(0) with Image.open(output) as reloaded: reloaded.size = (32, 32) assert im.mode == reloaded.mode assert (32, 32) == reloaded.size assert reloaded.format == "ICO" assert_image_equal(reloaded, hopper().resize((32, 32), Image.LANCZOS)) @pytest.mark.parametrize("mode", ("1", "L", "P", "RGB", "RGBA")) def test_save_to_bytes_bmp(mode): output = io.BytesIO() im = hopper(mode) im.save(output, "ico", bitmap_format="bmp", sizes=[(32, 32), (64, 64)]) # The default image output.seek(0) with Image.open(output) as reloaded: assert reloaded.info["sizes"] == {(32, 32), (64, 64)} assert "RGBA" == reloaded.mode assert (64, 64) == reloaded.size assert reloaded.format == "ICO" im = hopper(mode).resize((64, 64), Image.LANCZOS).convert("RGBA") assert_image_equal(reloaded, im) # The other one output.seek(0) with Image.open(output) as reloaded: reloaded.size = (32, 32) assert "RGBA" == reloaded.mode assert (32, 32) == reloaded.size assert reloaded.format == "ICO" im = hopper(mode).resize((32, 32), Image.LANCZOS).convert("RGBA") assert_image_equal(reloaded, im) def test_incorrect_size(): with Image.open(TEST_ICO_FILE) as im: with pytest.raises(ValueError): im.size = (1, 1) def test_save_256x256(tmp_path): """Issue #2264 https://github.com/python-pillow/Pillow/issues/2264""" # Arrange with Image.open("Tests/images/hopper_256x256.ico") as im: outfile = str(tmp_path / "temp_saved_hopper_256x256.ico") # Act im.save(outfile) with Image.open(outfile) as im_saved: # Assert assert im_saved.size == (256, 256) def test_only_save_relevant_sizes(tmp_path): """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 with Image.open("Tests/images/python.ico") as im: # 16x16, 32x32, 48x48 outfile = str(tmp_path / "temp_saved_python.ico") # Act im.save(outfile) with Image.open(outfile) as im_saved: # Assert assert im_saved.info["sizes"] == {(16, 16), (24, 24), (32, 32), (48, 48)} def test_save_append_images(tmp_path): # append_images should be used for scaled down versions of the image im = hopper("RGBA") provided_im = Image.new("RGBA", (32, 32), (255, 0, 0)) outfile = str(tmp_path / "temp_saved_multi_icon.ico") im.save(outfile, sizes=[(32, 32), (128, 128)], append_images=[provided_im]) with Image.open(outfile) as reread: assert_image_equal(reread, hopper("RGBA")) reread.size = (32, 32) assert_image_equal(reread, provided_im) def test_unexpected_size(): # This image has been manually hexedited to state that it is 16x32 # while the image within is still 16x16 def open(): with Image.open("Tests/images/hopper_unexpected.ico") as im: assert im.size == (16, 16) pytest.warns(UserWarning, open) def test_draw_reloaded(tmp_path): with Image.open(TEST_ICO_FILE) as im: outfile = str(tmp_path / "temp_saved_hopper_draw.ico") draw = ImageDraw.Draw(im) draw.line((0, 0) + im.size, "#f00") im.save(outfile) with Image.open(outfile) as im: assert_image_equal_tofile(im, "Tests/images/hopper_draw.ico")