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import pytest
from mitmproxy.contentviews.image import image_parser
from mitmproxy.test import tutils
@pytest.mark.parametrize("filename, metadata", {
# no textual data
"mitmproxy/data/png_parser/ct0n0g04.png": [
('Format', 'Portable network graphics'),
('Size', '32 x 32 px'),
('gamma', '1.0')
],
# with textual data
"mitmproxy/data/png_parser/ct1n0g04.png": [
('Format', 'Portable network graphics'),
('Size', '32 x 32 px'),
('gamma', '1.0'),
('Title', 'PngSuite'),
('Author', 'Willem A.J. van Schaik\n(willem@schaik.com)'),
('Copyright', 'Copyright Willem van Schaik, Singapore 1995-96'),
('Description', 'A compilation of a set of images created to test the\n'
'various color-types of the PNG format. Included are\nblack&white, color,'
' paletted, with alpha channel, with\ntransparency formats. All bit-depths'
' allowed according\nto the spec are present.'),
('Software', 'Created on a NeXTstation color using "pnmtopng".'),
('Disclaimer', 'Freeware.')
],
# with compressed textual data
"mitmproxy/data/png_parser/ctzn0g04.png": [
('Format', 'Portable network graphics'),
('Size', '32 x 32 px'),
('gamma', '1.0'),
('Title', 'PngSuite'),
('Author', 'Willem A.J. van Schaik\n(willem@schaik.com)'),
('Copyright', 'Copyright Willem van Schaik, Singapore 1995-96'),
('Description', 'A compilation of a set of images created to test the\n'
'various color-types of the PNG format. Included are\nblack&white, color,'
' paletted, with alpha channel, with\ntransparency formats. All bit-depths'
' allowed according\nto the spec are present.'),
('Software', 'Created on a NeXTstation color using "pnmtopng".'),
('Disclaimer', 'Freeware.')
],
# UTF-8 international text - english
"mitmproxy/data/png_parser/cten0g04.png": [
('Format', 'Portable network graphics'),
('Size', '32 x 32 px'),
('gamma', '1.0'),
('Title', 'PngSuite'),
('Author', 'Willem van Schaik (willem@schaik.com)'),
('Copyright', 'Copyright Willem van Schaik, Canada 2011'),
('Description', 'A compilation of a set of images created to test the '
'various color-types of the PNG format. Included are black&white, color,'
' paletted, with alpha channel, with transparency formats. All bit-depths'
' allowed according to the spec are present.'),
('Software', 'Created on a NeXTstation color using "pnmtopng".'),
('Disclaimer', 'Freeware.')
],
# check gamma value
"mitmproxy/data/png_parser/g07n0g16.png": [
('Format', 'Portable network graphics'),
('Size', '32 x 32 px'),
('gamma', '0.7')
],
# check aspect value
"mitmproxy/data/png_parser/aspect.png": [
('Format', 'Portable network graphics'),
('Size', '1280 x 798 px'),
('aspect', '72 x 72'),
('date:create', '2012-07-11T14:04:52-07:00'),
('date:modify', '2012-07-11T14:04:52-07:00')
],
}.items())
def test_parse_png(filename, metadata):
with open(tutils.test_data.path(filename), "rb") as f:
assert metadata == image_parser.parse_png(f.read())
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