python-pillow/Pillow
1
1
Fork 0
mirror of https://github.com/python-pillow/Pillow.git synced 2025-10-31 16:07:30 +03:00
Code Issues Packages Projects Releases Wiki Activity

Test opening and saving errors

Browse Source
This commit is contained in:
Andrew Murray 2025-04-15 22:49:24 +10:00
parent 6ab93935a7
commit 06b50389b0
1 changed files with 18 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
Tests/test_file_sgi.py
View File

@ -1,5 +1,6 @@
from __future__ import annotations from __future__ import annotations
from io import BytesIO
from pathlib import Path from pathlib import Path
import pytest import pytest
@ -71,6 +72,15 @@ def test_invalid_file() -> None:
SgiImagePlugin.SgiImageFile(invalid_file) SgiImagePlugin.SgiImageFile(invalid_file)
def test_unsupported_image_mode() -> None:
with open("Tests/images/hopper.rgb", "rb") as fp:
data = fp.read()
data = data[:3] + b"\x03" + data[4:]
with pytest.raises(ValueError, match="Unsupported SGI image mode"):
with Image.open(BytesIO(data)):
pass
def roundtrip(img: Image.Image, tmp_path: Path) -> None: def roundtrip(img: Image.Image, tmp_path: Path) -> None:
out = tmp_path / "temp.sgi" out = tmp_path / "temp.sgi"
img.save(out, format="sgi") img.save(out, format="sgi")
@ -109,3 +119,11 @@ def test_unsupported_mode(tmp_path: Path) -> None:
with pytest.raises(ValueError): with pytest.raises(ValueError):
im.save(out, format="sgi") im.save(out, format="sgi")
def test_unsupported_number_of_bytes_per_pixel(tmp_path: Path) -> None:
im = hopper()
out = tmp_path / "temp.sgi"
with pytest.raises(ValueError, match="Unsupported number of bytes per pixel"):
im.save(out, bpc=3)