Pillow/Tests/test_file_gd.py
2025-03-03 21:58:29 +11:00

29 lines
711 B
Python

from __future__ import annotations
import pytest
from PIL import GdImageFile, UnidentifiedImageError
from .helper import assert_image_similar_tofile
TEST_GD_FILE = "Tests/images/hopper.gd"
def test_sanity() -> None:
with GdImageFile.open(TEST_GD_FILE) as im:
assert im.size == (128, 128)
assert im.format == "GD"
assert_image_similar_tofile(im.convert("RGB"), "Tests/images/hopper.jpg", 14)
def test_bad_mode() -> None:
with pytest.raises(ValueError):
GdImageFile.open(TEST_GD_FILE, "bad mode")
def test_invalid_file() -> None:
invalid_file = "Tests/images/flower.jpg"
with pytest.raises(UnidentifiedImageError):
GdImageFile.open(invalid_file)