from __future__ import annotations import pytest from PIL import CurImagePlugin, Image TEST_FILE = "Tests/images/deerstalker.cur" def test_sanity() -> None: with Image.open(TEST_FILE) as im: assert im.size == (32, 32) assert isinstance(im, CurImagePlugin.CurImageFile) # Check some pixel colors to ensure image is loaded properly assert im.getpixel((10, 1)) == (0, 0, 0, 0) assert im.getpixel((11, 1)) == (253, 254, 254, 1) assert im.getpixel((16, 16)) == (84, 87, 86, 255) def test_invalid_file() -> None: invalid_file = "Tests/images/flower.jpg" with pytest.raises(SyntaxError): CurImagePlugin.CurImageFile(invalid_file) no_cursors_file = "Tests/images/no_cursors.cur" cur = CurImagePlugin.CurImageFile(TEST_FILE) cur.fp.close() with open(no_cursors_file, "rb") as cur.fp: with pytest.raises(TypeError): cur._open()