mirror of
https://github.com/python-pillow/Pillow.git
synced 2025-10-31 07:57:27 +03:00
96 lines
2.6 KiB
Python
96 lines
2.6 KiB
Python
import io
|
|
|
|
import pytest
|
|
from PIL import features
|
|
|
|
try:
|
|
from PIL import _webp
|
|
|
|
HAVE_WEBP = True
|
|
except ImportError:
|
|
HAVE_WEBP = False
|
|
|
|
|
|
def test_check():
|
|
# Check the correctness of the convenience function
|
|
for module in features.modules:
|
|
assert features.check_module(module) == features.check(module)
|
|
for codec in features.codecs:
|
|
assert features.check_codec(codec) == features.check(codec)
|
|
for feature in features.features:
|
|
assert features.check_feature(feature) == features.check(feature)
|
|
|
|
|
|
@pytest.mark.skipif(not HAVE_WEBP, reason="WebP not available")
|
|
def test_webp_transparency():
|
|
assert features.check("transp_webp") != _webp.WebPDecoderBuggyAlpha()
|
|
assert features.check("transp_webp") == _webp.HAVE_TRANSPARENCY
|
|
|
|
|
|
@pytest.mark.skipif(not HAVE_WEBP, reason="WebP not available")
|
|
def test_webp_mux():
|
|
assert features.check("webp_mux") == _webp.HAVE_WEBPMUX
|
|
|
|
|
|
@pytest.mark.skipif(not HAVE_WEBP, reason="WebP not available")
|
|
def test_webp_anim():
|
|
assert features.check("webp_anim") == _webp.HAVE_WEBPANIM
|
|
|
|
|
|
def test_check_modules():
|
|
for feature in features.modules:
|
|
assert features.check_module(feature) in [True, False]
|
|
for feature in features.codecs:
|
|
assert features.check_codec(feature) in [True, False]
|
|
|
|
|
|
def test_supported_modules():
|
|
assert isinstance(features.get_supported_modules(), list)
|
|
assert isinstance(features.get_supported_codecs(), list)
|
|
assert isinstance(features.get_supported_features(), list)
|
|
assert isinstance(features.get_supported(), list)
|
|
|
|
|
|
def test_unsupported_codec():
|
|
# Arrange
|
|
codec = "unsupported_codec"
|
|
# Act / Assert
|
|
with pytest.raises(ValueError):
|
|
features.check_codec(codec)
|
|
|
|
|
|
def test_unsupported_module():
|
|
# Arrange
|
|
module = "unsupported_module"
|
|
# Act / Assert
|
|
with pytest.raises(ValueError):
|
|
features.check_module(module)
|
|
|
|
|
|
def test_pilinfo():
|
|
buf = io.StringIO()
|
|
features.pilinfo(buf)
|
|
out = buf.getvalue()
|
|
lines = out.splitlines()
|
|
assert lines[0] == "-" * 68
|
|
assert lines[1].startswith("Pillow ")
|
|
assert lines[2].startswith("Python ")
|
|
lines = lines[3:]
|
|
while lines[0].startswith(" "):
|
|
lines = lines[1:]
|
|
assert lines[0] == "-" * 68
|
|
assert lines[1].startswith("Python modules loaded from ")
|
|
assert lines[2].startswith("Binary modules loaded from ")
|
|
assert lines[3] == "-" * 68
|
|
jpeg = (
|
|
"\n"
|
|
+ "-" * 68
|
|
+ "\n"
|
|
+ "JPEG image/jpeg\n"
|
|
+ "Extensions: .jfif, .jpe, .jpeg, .jpg\n"
|
|
+ "Features: open, save\n"
|
|
+ "-" * 68
|
|
+ "\n"
|
|
)
|
|
assert jpeg in out
|