/usr/lib/python2.7/dist-packages/cairocffi/test_pixbuf.py is in python-cairocffi 0.5.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""
cairocffi.test_pixbuf
~~~~~~~~~~~~~~~~~~~~~
Test suite for cairocffi.pixbuf.
:copyright: Copyright 2013 by Simon Sapin
:license: BSD, see LICENSE for details.
"""
import base64
import zlib
import pytest
from . import pixbuf, constants
from .compat import pixel
PNG_BYTES = base64.b64decode(
b'iVBORw0KGgoAAAANSUhEUgAAAAMAAAACCAYAAACddGYaAAAAE0lEQV'
b'QI12NkaPjfwAAFTAxIAAAuNwIDqJbDRgAAAABJRU5ErkJggg==')
JPEG_BYTES = zlib.decompress(base64.b64decode(
b'eJylzb0JgFAMBOA704hYvIC9oygIou7nPFq4g3+Nm0RT+iy9VPkIF9vsQhjavgVJdM/ATjS'
b'+/YqX/O2gzdAUCUSoSJSitAUFiHdS1xArXBlr5qrf2wO58HkiigrlWK+T7TezChqU'))
def test_api():
with pytest.raises(pixbuf.ImageLoadingError):
pixbuf.decode_to_image_surface(b'')
with pytest.raises(pixbuf.ImageLoadingError):
pixbuf.decode_to_image_surface(b'Not a valid image.')
with pytest.raises(pixbuf.ImageLoadingError):
pixbuf.decode_to_image_surface(PNG_BYTES[:10])
surface, format_name = pixbuf.decode_to_image_surface(PNG_BYTES)
assert format_name == 'png'
assert_decoded(surface)
def test_gdk():
if pixbuf.gdk is None:
pytest.xfail()
pixbuf_obj, format_name = pixbuf.decode_to_pixbuf(PNG_BYTES)
assert format_name == 'png'
assert_decoded(pixbuf.pixbuf_to_cairo_gdk(pixbuf_obj))
def test_slices():
pixbuf_obj, format_name = pixbuf.decode_to_pixbuf(PNG_BYTES)
assert format_name == 'png'
assert_decoded(pixbuf.pixbuf_to_cairo_png(pixbuf_obj))
def test_png():
pixbuf_obj, format_name = pixbuf.decode_to_pixbuf(JPEG_BYTES)
assert format_name == 'jpeg'
assert_decoded(pixbuf.pixbuf_to_cairo_slices(pixbuf_obj),
constants.FORMAT_RGB24, b'\xff\x00\x80\xff')
def assert_decoded(surface, format_=constants.FORMAT_ARGB32,
rgba=b'\x80\x00\x40\x80'):
assert surface.get_width() == 3
assert surface.get_height() == 2
assert surface.get_format() == format_
assert surface.get_data()[:] == pixel(rgba) * 6
|