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