def test_content(self):
for css, expected_declarations, expected_rules, expected_errors in [
('@page {}', [], [], []),
('@page { foo: 4; bar: z }', [('foo', [('INTEGER', 4)]),
('bar', [('IDENT', 'z')])], [], []),
('''@page { foo: 4;
@top-center { content: "Awesome Title" }
@bottom-left { content: counter(page) }
bar: z
}''', [('foo', [('INTEGER', 4)]), ('bar', [('IDENT', 'z')])],
[('@top-center', [('content', [('STRING', 'Awesome Title')])]),
('@bottom-left', [('content', [('FUNCTION', 'counter',
[('IDENT', 'page')])])])], []),
('''@page { foo: 4;
@bottom-top { content: counter(page) }
bar: z
}''', [('foo', [('INTEGER', 4)]), ('bar', [('IDENT', 'z')])],
[], ['unknown at-rule in @page context: @bottom-top']),
('@page{} @top-right{}', [], [],
['@top-right rule not allowed in stylesheet']),
('@page{ @top-right 4 {} }', [], [],
['unexpected INTEGER token in @top-right rule header']),
# Not much error recovery tests here. This should be covered in test_css21
]:
stylesheet = CSSPage3Parser().parse_stylesheet(css)
self.assert_errors(stylesheet.errors, expected_errors)
self.ae(len(stylesheet.rules), 1)
rule = stylesheet.rules[0]
self.ae(rule.at_keyword, '@page')
self.ae(self.jsonify_declarations(rule), expected_declarations)
rules = [(margin_rule.at_keyword,
self.jsonify_declarations(margin_rule))
for margin_rule in rule.at_rules]
self.ae(rules, expected_rules)
def test_selectors(self):
for css, expected_selector, expected_specificity, expected_errors in [
('@page {}', (None, None), (0, 0, 0), []),
('@page :first {}', (None, 'first'), (0, 1, 0), []),
('@page:left{}', (None, 'left'), (0, 0, 1), []),
('@page :right {}', (None, 'right'), (0, 0, 1), []),
('@page :blank{}', (None, 'blank'), (0, 1, 0), []),
('@page :last {}', None, None, ['invalid @page selector']),
('@page : first {}', None, None, ['invalid @page selector']),
('@page foo:first {}', ('foo', 'first'), (1, 1, 0), []),
('@page bar :left {}', ('bar', 'left'), (1, 0, 1), []),
(r'@page \26:right {}', ('&', 'right'), (1, 0, 1), []),
('@page foo {}', ('foo', None), (1, 0, 0), []),
(r'@page \26 {}', ('&', None), (1, 0, 0), []),
('@page foo fist {}', None, None, ['invalid @page selector']),
('@page foo, bar {}', None, None, ['invalid @page selector']),
('@page foo&first {}', None, None, ['invalid @page selector']),
]:
stylesheet = CSSPage3Parser().parse_stylesheet(css)
self.assert_errors(stylesheet.errors, expected_errors)
if stylesheet.rules:
self.ae(len(stylesheet.rules), 1)
rule = stylesheet.rules[0]
self.ae(rule.at_keyword, '@page')
selector = rule.selector
self.ae(rule.specificity, expected_specificity)
else:
selector = None
self.ae(selector, expected_selector)
def test_selectors(css, expected_selector, expected_specificity,
expected_errors):
stylesheet = CSSPage3Parser().parse_stylesheet(css)
assert_errors(stylesheet.errors, expected_errors)
if stylesheet.rules:
assert len(stylesheet.rules) == 1
rule = stylesheet.rules[0]
assert rule.at_keyword == '@page'
selector = rule.selector
assert rule.specificity == expected_specificity
else:
selector = None
assert selector == expected_selector
def test_content(css, expected_declarations, expected_rules, expected_errors):
stylesheet = CSSPage3Parser().parse_stylesheet(css)
assert_errors(stylesheet.errors, expected_errors)
def declarations(rule):
return [(decl.name, list(jsonify(decl.value)))
for decl in rule.declarations]
assert len(stylesheet.rules) == 1
rule = stylesheet.rules[0]
assert rule.at_keyword == '@page'
assert declarations(rule) == expected_declarations
rules = [(margin_rule.at_keyword, declarations(margin_rule))
for margin_rule in rule.at_rules]
assert rules == expected_rules
def test_in_at_media():
css = '@media print { @page { size: A4 } }'
stylesheet = CSS21Parser().parse_stylesheet(css)
assert_errors(stylesheet.errors, ['@page rule not allowed in @media'])
at_media_rule, = stylesheet.rules
assert at_media_rule.at_keyword == '@media'
assert at_media_rule.rules == []
stylesheet = CSSPage3Parser().parse_stylesheet(css)
assert stylesheet.errors == []
at_media_rule, = stylesheet.rules
at_page_rule, = at_media_rule.rules
assert at_media_rule.at_keyword == '@media'
assert at_page_rule.at_keyword == '@page'
assert len(at_page_rule.declarations) == 1