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Improve WalImageFile test coverage (#9189)

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Hugo van Kemenade 2025-09-04 13:37:39 +03:00 committed by GitHub
commit c0004726d6
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2 changed files with 13 additions and 2 deletions
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12
Tests/test_file_wal.py
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@ -1,5 +1,7 @@
from __future__ import annotations
from io import BytesIO
from PIL import WalImageFile
from .helper import assert_image_equal_tofile
@ -13,12 +15,22 @@ def test_open() -> None:
assert im.format_description == "Quake2 Texture"
assert im.mode == "P"
assert im.size == (128, 128)
assert "next_name" not in im.info
assert isinstance(im, WalImageFile.WalImageFile)
assert_image_equal_tofile(im, "Tests/images/hopper_wal.png")
def test_next_name() -> None:
with open(TEST_FILE, "rb") as fp:
data = bytearray(fp.read())
data[56:60] = b"Test"
f = BytesIO(data)
with WalImageFile.open(f) as im:
assert im.info["next_name"] == b"Test"
def test_load() -> None:
with WalImageFile.open(TEST_FILE) as im:
px = im.load()

3
src/PIL/WalImageFile.py
View File

@ -49,8 +49,7 @@ class WalImageFile(ImageFile.ImageFile):
# strings are null-terminated
self.info["name"] = header[:32].split(b"\0", 1)[0]
next_name = header[56 : 56 + 32].split(b"\0", 1)[0]
if next_name:
if next_name := header[56 : 56 + 32].split(b"\0", 1)[0]:
self.info["next_name"] = next_name
def load(self) -> Image.core.PixelAccess | None: