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# Copyright (C) 2022 Stefan fisk
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Test srcset attribute parsing.
"""
from linkcheck.htmlutil.srcsetparse import parse_srcset
import pytest
# list of tuples
# (<input>, <expected parsed URLs>)
parsetests = [
('', []),
(' ', []),
(',', []),
('\t\n ,,\t\n,, \t\n', []),
('foo', ['foo']),
('foo,bar, ,foo, bar', ['foo,bar', 'foo', 'bar']),
('https://example.com/1 foo, https://example.com/2 bar',
['https://example.com/1', 'https://example.com/2']),
(' foo ', ['foo']),
(',,,foo,,,', ['foo']),
(',foo,bar,baz,', ['foo,bar,baz']),
('foo bar baz', ['foo']),
('foo, bar baz', ['foo', 'bar']),
('foo/1 bar, foo/2', ['foo/1', 'foo/2']),
('foo/1 (foo/2)', ['foo/1']),
('foo/1 (((, foo/2', ['foo/1']),
]
class TestSrcsetParsing:
@pytest.mark.parametrize("_in, _urls", parsetests)
def test_parse(self, _in, _urls):
assert parse_srcset(_in) == _urls
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