Pillow/Tests/test_file_blp.py
2022-02-25 23:58:13 +11:00

83 lines
2.5 KiB
Python

import pytest
from PIL import BlpImagePlugin, Image
from .helper import (
assert_image_equal,
assert_image_equal_tofile,
assert_image_similar,
hopper,
)
def test_load_blp1():
with Image.open("Tests/images/blp/blp1_jpeg.blp") as im:
assert_image_equal_tofile(im, "Tests/images/blp/blp1_jpeg.png")
def test_load_blp2_raw():
with Image.open("Tests/images/blp/blp2_raw.blp") as im:
assert_image_equal_tofile(im, "Tests/images/blp/blp2_raw.png")
def test_load_blp2_dxt1():
with Image.open("Tests/images/blp/blp2_dxt1.blp") as im:
assert_image_equal_tofile(im, "Tests/images/blp/blp2_dxt1.png")
def test_load_blp2_dxt1a():
with Image.open("Tests/images/blp/blp2_dxt1a.blp") as im:
assert_image_equal_tofile(im, "Tests/images/blp/blp2_dxt1a.png")
def test_save(tmp_path):
f = str(tmp_path / "temp.blp")
for version in ("BLP1", "BLP2"):
im = hopper("P")
im.save(f, blp_version=version)
with Image.open(f) as reloaded:
assert_image_equal(im.convert("RGB"), reloaded)
with Image.open("Tests/images/transparent.png") as im:
f = str(tmp_path / "temp.blp")
im.convert("P").save(f, blp_version=version)
with Image.open(f) as reloaded:
assert_image_similar(im, reloaded, 8)
im = hopper()
with pytest.raises(ValueError):
im.save(f)
@pytest.mark.parametrize(
"test_file",
[
"Tests/images/timeout-060745d3f534ad6e4128c51d336ea5489182c69d.blp",
"Tests/images/timeout-31c8f86233ea728339c6e586be7af661a09b5b98.blp",
"Tests/images/timeout-60d8b7c8469d59fc9ffff6b3a3dc0faeae6ea8ee.blp",
"Tests/images/timeout-8073b430977660cdd48d96f6406ddfd4114e69c7.blp",
"Tests/images/timeout-bba4f2e026b5786529370e5dfe9a11b1bf991f07.blp",
"Tests/images/timeout-d6ec061c4afdef39d3edf6da8927240bb07fe9b7.blp",
"Tests/images/timeout-ef9112a065e7183fa7faa2e18929b03e44ee16bf.blp",
],
)
def test_crashes(test_file):
with open(test_file, "rb") as f:
with Image.open(f) as im:
with pytest.raises(OSError):
im.load()
def test_constants_deprecation():
for enum, prefix in {
BlpImagePlugin.Format: "BLP_FORMAT_",
BlpImagePlugin.Encoding: "BLP_ENCODING_",
BlpImagePlugin.AlphaEncoding: "BLP_ALPHA_ENCODING_",
}.items():
for name in enum.__members__:
with pytest.warns(DeprecationWarning):
assert getattr(BlpImagePlugin, prefix + name) == enum[name]