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ebook-converter/ebook_converter/tinycss/tests/media3.py
2020-04-11 19:27:06 +02:00

66 lines
3.0 KiB
Python

#!/usr/bin/env python2
# vim:fileencoding=utf-8
from __future__ import absolute_import, division, print_function, unicode_literals
__license__ = 'GPL v3'
__copyright__ = '2014, Kovid Goyal <kovid at kovidgoyal.net>'
from tinycss.media3 import CSSMedia3Parser, MediaQuery as MQ
from tinycss.tests import BaseTest, jsonify
def jsonify_expr(e):
if e is None:
return None
return next(jsonify([e]))
def jsonify_expressions(mqlist):
for mq in mqlist:
mq.expressions = tuple(
(k, jsonify_expr(e)) for k, e in mq.expressions)
return mqlist
class TestFonts3(BaseTest):
def test_media_queries(self):
'Test parsing of media queries from the CSS 3 media module'
for css, media_query_list, expected_errors in [
# CSS 2.1 (simple media queries)
('@media {}', [MQ()], []),
('@media all {}', [MQ()], []),
('@media screen {}', [MQ('screen')], []),
('@media , screen {}', [MQ(), MQ('screen')], []),
('@media screen, {}', [MQ('screen'), MQ()], []),
# Examples from the CSS 3 specs
('@media screen and (color) {}', [MQ('screen', (('color', None),))], []),
('@media all and (min-width:500px) {}', [
MQ('all', (('min-width', ('DIMENSION', 500)),))], []),
('@media (min-width:500px) {}', [
MQ('all', (('min-width', ('DIMENSION', 500)),))], []),
('@media (orientation: portrait) {}', [
MQ('all', (('orientation', ('IDENT', 'portrait')),))], []),
('@media screen and (color), projection and (color) {}', [
MQ('screen', (('color', None),)), MQ('projection', (('color', None),)),], []),
('@media not screen and (color) {}', [
MQ('screen', (('color', None),), True)], []),
('@media only screen and (color) {}', [
MQ('screen', (('color', None),))], []),
('@media aural and (device-aspect-ratio: 16/9) {}', [
MQ('aural', (('device-aspect-ratio', ('RATIO', (16, 9))),))], []),
('@media (resolution: 166dpi) {}', [
MQ('all', (('resolution', ('DIMENSION', 166)),))], []),
('@media (min-resolution: 166DPCM) {}', [
MQ('all', (('min-resolution', ('DIMENSION', 166)),))], []),
# Malformed media queries
('@media (example, all,), speech {}', [MQ(negated=True), MQ('speech')], ['expected a :']),
('@media &test, screen {}', [MQ(negated=True), MQ('screen')], ['expected a media expression not a DELIM']),
]:
stylesheet = CSSMedia3Parser().parse_stylesheet(css)
self.assert_errors(stylesheet.errors, expected_errors)
self.ae(len(stylesheet.rules), 1)
rule = stylesheet.rules[0]
self.ae(jsonify_expressions(rule.media), media_query_list)