from __future__ import annotations import logging import os import pytest from PIL import Image from .helper import hopper def test_sanity() -> None: im = hopper() pix = im.load() assert pix[0, 0] == (20, 20, 70) def test_close() -> None: im = Image.open("Tests/images/hopper.gif") im.close() with pytest.raises(ValueError): im.load() with pytest.raises(ValueError): im.getpixel((0, 0)) def test_close_after_load(caplog: pytest.LogCaptureFixture) -> None: im = Image.open("Tests/images/hopper.gif") im.load() with caplog.at_level(logging.DEBUG): im.close() assert len(caplog.records) == 0 def test_contextmanager() -> None: fn = None with Image.open("Tests/images/hopper.gif") as im: fn = im.fp.fileno() os.fstat(fn) with pytest.raises(OSError): os.fstat(fn) def test_contextmanager_non_exclusive_fp() -> None: with open("Tests/images/hopper.gif", "rb") as fp: with Image.open(fp): pass assert not fp.closed