Pillow/Tests/test_file_tar.py
2024-10-26 16:15:46 +11:00

52 lines
1.2 KiB
Python

from __future__ import annotations
import warnings
import pytest
from PIL import Image, TarIO, features
from .helper import is_pypy
# Sample tar archive
TEST_TAR_FILE = "Tests/images/hopper.tar"
@pytest.mark.parametrize(
"codec, test_path, format",
(
("zlib", "hopper.png", "PNG"),
("jpg", "hopper.jpg", "JPEG"),
),
)
def test_sanity(codec: str, test_path: str, format: str) -> None:
if features.check(codec):
with TarIO.TarIO(TEST_TAR_FILE, test_path) as tar:
with Image.open(tar) as im:
im.load()
assert im.mode == "RGB"
assert im.size == (128, 128)
assert im.format == format
@pytest.mark.skipif(is_pypy(), reason="Requires CPython")
def test_unclosed_file() -> None:
with pytest.warns(ResourceWarning):
TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg")
def test_close() -> None:
with warnings.catch_warnings():
warnings.simplefilter("error")
tar = TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg")
tar.close()
def test_contextmanager() -> None:
with warnings.catch_warnings():
warnings.simplefilter("error")
with TarIO.TarIO(TEST_TAR_FILE, "hopper.jpg"):
pass