def test_core_parser(self):
for (css_source, expected_rules, expected_errors) in [
(' /* hey */\n', [], []),
('foo{} /* hey */\n@bar;@baz{}', [('foo', []), ('@bar', [], None),
('@baz', [], [])], []),
('@import "foo.css"/**/;', [('@import', [('STRING', 'foo.css')],
None)], []),
('@import "foo.css"/**/', [('@import', [('STRING', 'foo.css')],
None)], []),
('@import "foo.css', [('@import', [('STRING', 'foo.css')], None)],
[]),
('{}', [], ['empty selector']),
('a{b:4}', [('a', [('b', [('INTEGER', 4)])])], []),
('@page {\t b: 4; @margin}', [('@page', [], [
('S', '\t '),
('IDENT', 'b'),
(':', ':'),
('S', ' '),
('INTEGER', 4),
(';', ';'),
('S', ' '),
('ATKEYWORD', '@margin'),
])], []),
('foo', [], ['no declaration block found']),
('foo @page {} bar {}', [('bar', [])],
['unexpected ATKEYWORD token in selector']),
('foo { content: "unclosed string;\n color:red; ; margin/**/\n: 2cm; }',
[('foo', [('margin', [('DIMENSION', 2)])])
], ['unexpected BAD_STRING token in property value']),
('foo { 4px; bar: 12% }', [
('foo', [('bar', [('PERCENTAGE', 12)])])
], ['expected a property name, got DIMENSION']),
('foo { bar! 3cm auto ; baz: 7px }', [
('foo', [('baz', [('DIMENSION', 7)])])
], ["expected ':', got DELIM"]),
('foo { bar ; baz: {("}"/* comment */) {0@fizz}} }', [
('foo', [('baz', [('{', [('(', [('STRING', '}')]), ('S', ' '),
('{', [('INTEGER', 0),
('ATKEYWORD', '@fizz')])])])])
], ["expected ':'"]),
('foo { bar: ; baz: not(z) }', [
('foo', [('baz', [('FUNCTION', 'not', [('IDENT', 'z')])])])
], ['expected a property value']),
('foo { bar: (]) ; baz: U+20 }', [
('foo', [('baz', [('UNICODE-RANGE', 'U+20')])])
], ['unmatched ] token in (']),
]:
stylesheet = CoreParser().parse_stylesheet(css_source)
self.assert_errors(stylesheet.errors, expected_errors)
result = [
(rule.at_keyword, list(jsonify(rule.head)),
list(jsonify(rule.body)) if rule.body is not None else None)
if rule.at_keyword else
(rule.selector.as_css(),
[(decl.name, list(jsonify(decl.value)))
for decl in rule.declarations]) for rule in stylesheet.rules
]
self.ae(result, expected_rules)
def test_important(self):
for (css_source, expected_declarations, expected_errors) in [
(' /* hey */\n', [], []),
('a:1; b:2',
[('a', [('INTEGER', 1)], None), ('b', [('INTEGER', 2)], None)], []),
('a:1 important; b: important',
[('a', [('INTEGER', 1), ('S', ' '), ('IDENT', 'important')], None),
('b', [('IDENT', 'important')], None)],
[]),
('a:1 !important; b:2',
[('a', [('INTEGER', 1)], 'important'), ('b', [('INTEGER', 2)], None)],
[]),
('a:1!\t Im\\50 O\\RTant; b:2',
[('a', [('INTEGER', 1)], 'important'), ('b', [('INTEGER', 2)], None)],
[]),
('a: !important; b:2',
[('b', [('INTEGER', 2)], None)],
['expected a value before !important']),
]:
declarations, errors = CSS21Parser().parse_style_attr(css_source)
self.assert_errors(errors, expected_errors)
result = [(decl.name, list(jsonify(decl.value)), decl.priority)
for decl in declarations]
self.ae(result, expected_declarations)
def test_at_media(self):
for (css_source, expected_rules, expected_errors) in [
(' /* hey */\n', [], []),
('@media {}', [(['all'], [])], []),
('@media all {}', [(['all'], [])], []),
('@media screen, print {}', [(['screen', 'print'], [])], []),
('@media all;', [], ['invalid @media rule: missing block']),
('@media 4 {}', [], ['expected a media type, got INTEGER']),
('@media , screen {}', [], ['expected a media type']),
('@media screen, {}', [], ['expected a media type']),
('@media screen print {}', [],
['expected a media type, got IDENT, IDENT']),
('@media all { @page { a: 1 } @media; @import; foo { a: 1 } }',
[(['all'], [('foo', [('a', [('INTEGER', 1)])])])], [
'@page rule not allowed in @media',
'@media rule not allowed in @media',
'@import rule not allowed in @media'
]),
]:
stylesheet = CSS21Parser().parse_stylesheet(css_source)
self.assert_errors(stylesheet.errors, expected_errors)
for rule in stylesheet.rules:
self.ae(rule.at_keyword, '@media')
result = [(rule.media, [(sub_rule.selector.as_css(), [
(decl.name, list(jsonify(decl.value)))
for decl in sub_rule.declarations
]) for sub_rule in rule.rules]) for rule in stylesheet.rules]
self.ae(result, expected_rules)
def test_parse_style_attr(self):
for (css_source, expected_declarations, expected_errors) in [
(' /* hey */\n', [], []),
('b:4', [('b', [('INTEGER', 4)])], []),
('{b:4}', [], ['expected a property name, got {']),
('b:4} c:3', [], ['unmatched } token in property value']),
(' 4px; bar: 12% ', [('bar', [('PERCENTAGE', 12)])],
['expected a property name, got DIMENSION']),
('bar! 3cm auto ; baz: 7px', [('baz', [('DIMENSION', 7)])],
["expected ':', got DELIM"]),
('foo; bar ; baz: {("}"/* comment */) {0@fizz}}', [('baz', [
('{', [('(', [('STRING', '}')]), ('S', ' '),
('{', [('INTEGER', 0), ('ATKEYWORD', '@fizz')])])
])], ["expected ':'", "expected ':'"]),
('bar: ; baz: not(z)', [
('baz', [('FUNCTION', 'not', [('IDENT', 'z')])])
], ['expected a property value']),
('bar: (]) ; baz: U+20', [('baz', [('UNICODE-RANGE', 'U+20')])],
['unmatched ] token in (']),
]:
declarations, errors = CSS21Parser().parse_style_attr(css_source)
self.assert_errors(errors, expected_errors)
result = [(decl.name, list(jsonify(decl.value)))
for decl in declarations]
self.ae(result, expected_declarations)
def test_at_media(self):
for (css_source, expected_rules, expected_errors) in [
(' /* hey */\n', [], []),
('@media {}', [(['all'], [])], []),
('@media all {}', [(['all'], [])], []),
('@media screen, print {}', [(['screen', 'print'], [])], []),
('@media all;', [], ['invalid @media rule: missing block']),
('@media 4 {}', [], ['expected a media type, got INTEGER']),
('@media , screen {}', [], ['expected a media type']),
('@media screen, {}', [], ['expected a media type']),
('@media screen print {}', [],
['expected a media type, got IDENT, IDENT']),
('@media all { @page { a: 1 } @media; @import; foo { a: 1 } }',
[(['all'], [('foo', [('a', [('INTEGER', 1)])])])],
['@page rule not allowed in @media',
'@media rule not allowed in @media',
'@import rule not allowed in @media']),
]:
stylesheet = CSS21Parser().parse_stylesheet(css_source)
self.assert_errors(stylesheet.errors, expected_errors)
for rule in stylesheet.rules:
self.ae(rule.at_keyword, '@media')
result = [
(rule.media, [
(sub_rule.selector.as_css(), [
(decl.name, list(jsonify(decl.value)))
for decl in sub_rule.declarations])
for sub_rule in rule.rules
])
for rule in stylesheet.rules
]
self.ae(result, expected_rules)
def test_parse_style_attr(self):
for (css_source, expected_declarations, expected_errors) in [
(" /* hey */\n", [], []),
("b:4", [("b", [("INTEGER", 4)])], []),
("{b:4}", [], ["expected a property name, got {"]),
("b:4} c:3", [], ["unmatched } token in property value"]),
(" 4px; bar: 12% ", [("bar", [("PERCENTAGE", 12)])], ["expected a property name, got DIMENSION"]),
("bar! 3cm auto ; baz: 7px", [("baz", [("DIMENSION", 7)])], ["expected ':', got DELIM"]),
(
'foo; bar ; baz: {("}"/* comment */) {0@fizz}}',
[
(
"baz",
[
(
"{",
[("(", [("STRING", "}")]), ("S", " "), ("{", [("INTEGER", 0), ("ATKEYWORD", "@fizz")])],
)
],
)
],
["expected ':'", "expected ':'"],
),
("bar: ; baz: not(z)", [("baz", [("FUNCTION", "not", [("IDENT", "z")])])], ["expected a property value"]),
("bar: (]) ; baz: U+20", [("baz", [("UNICODE-RANGE", "U+20")])], ["unmatched ] token in ("]),
]:
declarations, errors = CSS21Parser().parse_style_attr(css_source)
self.assert_errors(errors, expected_errors)
result = [(decl.name, list(jsonify(decl.value))) for decl in declarations]
self.ae(result, expected_declarations)
def test_important(self):
for (css_source, expected_declarations, expected_errors) in [
(' /* hey */\n', [], []),
('a:1; b:2',
[('a', [('INTEGER', 1)], None), ('b', [('INTEGER', 2)], None)], []),
('a:1 important; b: important',
[('a', [('INTEGER', 1), ('S', ' '), ('IDENT', 'important')], None),
('b', [('IDENT', 'important')], None)],
[]),
('a:1 !important; b:2',
[('a', [('INTEGER', 1)], 'important'), ('b', [('INTEGER', 2)], None)],
[]),
('a:1!\t Im\\50 O\\RTant; b:2',
[('a', [('INTEGER', 1)], 'important'), ('b', [('INTEGER', 2)], None)],
[]),
('a: !important; b:2',
[('b', [('INTEGER', 2)], None)],
['expected a value before !important']),
]:
declarations, errors = CSS21Parser().parse_style_attr(css_source)
self.assert_errors(errors, expected_errors)
result = [(decl.name, list(jsonify(decl.value)), decl.priority)
for decl in declarations]
self.ae(result, expected_declarations)
def test_at_page(self):
for (css, expected_result, expected_errors) in [
("@page {}", (None, (0, 0), []), []),
("@page:first {}", ("first", (1, 0), []), []),
("@page :left{}", ("left", (0, 1), []), []),
("@page\t\n:right {}", ("right", (0, 1), []), []),
("@page :last {}", None, ["invalid @page selector"]),
("@page : right {}", None, ["invalid @page selector"]),
("@page table:left {}", None, ["invalid @page selector"]),
("@page;", None, ["invalid @page rule: missing block"]),
("@page { a:1; ; b: 2 }", (None, (0, 0), [("a", [("INTEGER", 1)]), ("b", [("INTEGER", 2)])]), []),
(
"@page { a:1; c: ; b: 2 }",
(None, (0, 0), [("a", [("INTEGER", 1)]), ("b", [("INTEGER", 2)])]),
["expected a property value"],
),
(
"@page { a:1; @top-left {} b: 2 }",
(None, (0, 0), [("a", [("INTEGER", 1)]), ("b", [("INTEGER", 2)])]),
["unknown at-rule in @page context: @top-left"],
),
(
"@page { a:1; @top-left {}; b: 2 }",
(None, (0, 0), [("a", [("INTEGER", 1)]), ("b", [("INTEGER", 2)])]),
["unknown at-rule in @page context: @top-left"],
),
]:
stylesheet = CSS21Parser().parse_stylesheet(css)
self.assert_errors(stylesheet.errors, expected_errors)
if expected_result is None:
self.assertFalse(stylesheet.rules)
else:
self.ae(len(stylesheet.rules), 1)
rule = stylesheet.rules[0]
self.ae(rule.at_keyword, "@page")
self.ae(rule.at_rules, []) # in CSS 2.1
result = (
rule.selector,
rule.specificity,
[(decl.name, list(jsonify(decl.value))) for decl in rule.declarations],
)
self.ae(result, expected_result)
def test_important(self):
for (css_source, expected_declarations, expected_errors) in [
(" /* hey */\n", [], []),
("a:1; b:2", [("a", [("INTEGER", 1)], None), ("b", [("INTEGER", 2)], None)], []),
(
"a:1 important; b: important",
[
("a", [("INTEGER", 1), ("S", " "), ("IDENT", "important")], None),
("b", [("IDENT", "important")], None),
],
[],
),
("a:1 !important; b:2", [("a", [("INTEGER", 1)], "important"), ("b", [("INTEGER", 2)], None)], []),
("a:1!\t Im\\50 O\\RTant; b:2", [("a", [("INTEGER", 1)], "important"), ("b", [("INTEGER", 2)], None)], []),
("a: !important; b:2", [("b", [("INTEGER", 2)], None)], ["expected a value before !important"]),
]:
declarations, errors = CSS21Parser().parse_style_attr(css_source)
self.assert_errors(errors, expected_errors)
result = [(decl.name, list(jsonify(decl.value)), decl.priority) for decl in declarations]
self.ae(result, expected_declarations)
def test_at_page(self):
for (css, expected_result, expected_errors) in [
('@page {}', (None, (0, 0), []), []),
('@page:first {}', ('first', (1, 0), []), []),
('@page :left{}', ('left', (0, 1), []), []),
('@page\t\n:right {}', ('right', (0, 1), []), []),
('@page :last {}', None, ['invalid @page selector']),
('@page : right {}', None, ['invalid @page selector']),
('@page table:left {}', None, ['invalid @page selector']),
('@page;', None, ['invalid @page rule: missing block']),
('@page { a:1; ; b: 2 }',
(None, (0, 0), [('a', [('INTEGER', 1)]), ('b', [('INTEGER', 2)])]),
[]),
('@page { a:1; c: ; b: 2 }',
(None, (0, 0), [('a', [('INTEGER', 1)]), ('b', [('INTEGER', 2)])]),
['expected a property value']),
('@page { a:1; @top-left {} b: 2 }',
(None, (0, 0), [('a', [('INTEGER', 1)]), ('b', [('INTEGER', 2)])]),
['unknown at-rule in @page context: @top-left']),
('@page { a:1; @top-left {}; b: 2 }',
(None, (0, 0), [('a', [('INTEGER', 1)]), ('b', [('INTEGER', 2)])]),
['unknown at-rule in @page context: @top-left']),
]:
stylesheet = CSS21Parser().parse_stylesheet(css)
self.assert_errors(stylesheet.errors, expected_errors)
if expected_result is None:
self.assertFalse(stylesheet.rules)
else:
self.ae(len(stylesheet.rules), 1)
rule = stylesheet.rules[0]
self.ae(rule.at_keyword, '@page')
self.ae(rule.at_rules, []) # in CSS 2.1
result = (
rule.selector,
rule.specificity,
[(decl.name, list(jsonify(decl.value)))
for decl in rule.declarations],
)
self.ae(result, expected_result)
def test_at_page(self):
for (css, expected_result, expected_errors) in [
('@page {}', (None, (0, 0), []), []),
('@page:first {}', ('first', (1, 0), []), []),
('@page :left{}', ('left', (0, 1), []), []),
('@page\t\n:right {}', ('right', (0, 1), []), []),
('@page :last {}', None, ['invalid @page selector']),
('@page : right {}', None, ['invalid @page selector']),
('@page table:left {}', None, ['invalid @page selector']),
('@page;', None, ['invalid @page rule: missing block']),
('@page { a:1; ; b: 2 }',
(None, (0, 0), [('a', [('INTEGER', 1)]), ('b', [('INTEGER', 2)])]),
[]),
('@page { a:1; c: ; b: 2 }',
(None, (0, 0), [('a', [('INTEGER', 1)]), ('b', [('INTEGER', 2)])]),
['expected a property value']),
('@page { a:1; @top-left {} b: 2 }',
(None, (0, 0), [('a', [('INTEGER', 1)]), ('b', [('INTEGER', 2)])]),
['unknown at-rule in @page context: @top-left']),
('@page { a:1; @top-left {}; b: 2 }',
(None, (0, 0), [('a', [('INTEGER', 1)]), ('b', [('INTEGER', 2)])]),
['unknown at-rule in @page context: @top-left']),
]:
stylesheet = CSS21Parser().parse_stylesheet(css)
self.assert_errors(stylesheet.errors, expected_errors)
if expected_result is None:
self.assertFalse(stylesheet.rules)
else:
self.ae(len(stylesheet.rules), 1)
rule = stylesheet.rules[0]
self.ae(rule.at_keyword, '@page')
self.ae(rule.at_rules, []) # in CSS 2.1
result = (
rule.selector,
rule.specificity,
[(decl.name, list(jsonify(decl.value)))
for decl in rule.declarations],
)
self.ae(result, expected_result)
def test_at_media(self):
for (css_source, expected_rules, expected_errors) in [
(" /* hey */\n", [], []),
("@media all {}", [(["all"], [])], []),
("@media screen, print {}", [(["screen", "print"], [])], []),
("@media all;", [], ["invalid @media rule: missing block"]),
("@media {}", [], ["expected media types for @media"]),
("@media 4 {}", [], ["expected a media type, got INTEGER"]),
("@media , screen {}", [], ["expected a media type"]),
("@media screen, {}", [], ["expected a media type"]),
("@media screen print {}", [], ["expected a media type, got IDENT, IDENT"]),
(
"@media all { @page { a: 1 } @media; @import; foo { a: 1 } }",
[(["all"], [("foo", [("a", [("INTEGER", 1)])])])],
[
"@page rule not allowed in @media",
"@media rule not allowed in @media",
"@import rule not allowed in @media",
],
),
]:
stylesheet = CSS21Parser().parse_stylesheet(css_source)
self.assert_errors(stylesheet.errors, expected_errors)
for rule in stylesheet.rules:
self.ae(rule.at_keyword, "@media")
result = [
(
rule.media,
[
(
sub_rule.selector.as_css(),
[(decl.name, list(jsonify(decl.value))) for decl in sub_rule.declarations],
)
for sub_rule in rule.rules
],
)
for rule in stylesheet.rules
]
self.ae(result, expected_rules)
def test_parse_style_attr(self):
for (css_source, expected_declarations, expected_errors) in [
(' /* hey */\n', [], []),
('b:4', [('b', [('INTEGER', 4)])], []),
('{b:4}', [], ['expected a property name, got {']),
('b:4} c:3', [], ['unmatched } token in property value']),
(' 4px; bar: 12% ',
[('bar', [('PERCENTAGE', 12)])],
['expected a property name, got DIMENSION']),
('bar! 3cm auto ; baz: 7px',
[('baz', [('DIMENSION', 7)])],
["expected ':', got DELIM"]),
('foo; bar ; baz: {("}"/* comment */) {0@fizz}}',
[('baz', [('{', [
('(', [('STRING', '}')]), ('S', ' '),
('{', [('INTEGER', 0), ('ATKEYWORD', '@fizz')])
])])],
["expected ':'", "expected ':'"]),
('bar: ; baz: not(z)',
[('baz', [('FUNCTION', 'not', [('IDENT', 'z')])])],
['expected a property value']),
('bar: (]) ; baz: U+20',
[('baz', [('UNICODE-RANGE', 'U+20')])],
['unmatched ] token in (']),
]:
declarations, errors = CSS21Parser().parse_style_attr(css_source)
self.assert_errors(errors, expected_errors)
result = [(decl.name, list(jsonify(decl.value)))
for decl in declarations]
self.ae(result, expected_declarations)
def test_core_parser(self):
for (css_source, expected_rules, expected_errors) in [
(" /* hey */\n", [], []),
("foo{} /* hey */\n@bar;@baz{}", [("foo", []), ("@bar", [], None), ("@baz", [], [])], []),
('@import "foo.css"/**/;', [("@import", [("STRING", "foo.css")], None)], []),
('@import "foo.css"/**/', [("@import", [("STRING", "foo.css")], None)], []),
('@import "foo.css', [("@import", [("STRING", "foo.css")], None)], []),
("{}", [], ["empty selector"]),
("a{b:4}", [("a", [("b", [("INTEGER", 4)])])], []),
(
"@page {\t b: 4; @margin}",
[
(
"@page",
[],
[
("S", "\t "),
("IDENT", "b"),
(":", ":"),
("S", " "),
("INTEGER", 4),
(";", ";"),
("S", " "),
("ATKEYWORD", "@margin"),
],
)
],
[],
),
("foo", [], ["no declaration block found"]),
("foo @page {} bar {}", [("bar", [])], ["unexpected ATKEYWORD token in selector"]),
(
'foo { content: "unclosed string;\n color:red; ; margin/**/\n: 2cm; }',
[("foo", [("margin", [("DIMENSION", 2)])])],
["unexpected BAD_STRING token in property value"],
),
(
"foo { 4px; bar: 12% }",
[("foo", [("bar", [("PERCENTAGE", 12)])])],
["expected a property name, got DIMENSION"],
),
("foo { bar! 3cm auto ; baz: 7px }", [("foo", [("baz", [("DIMENSION", 7)])])], ["expected ':', got DELIM"]),
(
'foo { bar ; baz: {("}"/* comment */) {0@fizz}} }',
[
(
"foo",
[
(
"baz",
[
(
"{",
[
("(", [("STRING", "}")]),
("S", " "),
("{", [("INTEGER", 0), ("ATKEYWORD", "@fizz")]),
],
)
],
)
],
)
],
["expected ':'"],
),
(
"foo { bar: ; baz: not(z) }",
[("foo", [("baz", [("FUNCTION", "not", [("IDENT", "z")])])])],
["expected a property value"],
),
(
"foo { bar: (]) ; baz: U+20 }",
[("foo", [("baz", [("UNICODE-RANGE", "U+20")])])],
["unmatched ] token in ("],
),
]:
stylesheet = CoreParser().parse_stylesheet(css_source)
self.assert_errors(stylesheet.errors, expected_errors)
result = [
(rule.at_keyword, list(jsonify(rule.head)), list(jsonify(rule.body)) if rule.body is not None else None)
if rule.at_keyword
else (rule.selector.as_css(), [(decl.name, list(jsonify(decl.value))) for decl in rule.declarations])
for rule in stylesheet.rules
]
self.ae(result, expected_rules)
def declarations(rule):
return [(decl.name, list(jsonify(decl.value)))
for decl in rule.declarations]
def test_core_parser(self):
for (css_source, expected_rules, expected_errors) in [
(' /* hey */\n', [], []),
('foo{} /* hey */\n@bar;@baz{}',
[('foo', []), ('@bar', [], None), ('@baz', [], [])], []),
('@import "foo.css"/**/;', [
('@import', [('STRING', 'foo.css')], None)], []),
('@import "foo.css"/**/', [
('@import', [('STRING', 'foo.css')], None)], []),
('@import "foo.css', [
('@import', [('STRING', 'foo.css')], None)], []),
('{}', [], ['empty selector']),
('a{b:4}', [('a', [('b', [('INTEGER', 4)])])], []),
('@page {\t b: 4; @margin}', [('@page', [], [
('S', '\t '), ('IDENT', 'b'), (':', ':'), ('S', ' '), ('INTEGER', 4),
(';', ';'), ('S', ' '), ('ATKEYWORD', '@margin'),
])], []),
('foo', [], ['no declaration block found']),
('foo @page {} bar {}', [('bar', [])],
['unexpected ATKEYWORD token in selector']),
('foo { content: "unclosed string;\n color:red; ; margin/**/\n: 2cm; }',
[('foo', [('margin', [('DIMENSION', 2)])])],
['unexpected BAD_STRING token in property value']),
('foo { 4px; bar: 12% }',
[('foo', [('bar', [('PERCENTAGE', 12)])])],
['expected a property name, got DIMENSION']),
('foo { bar! 3cm auto ; baz: 7px }',
[('foo', [('baz', [('DIMENSION', 7)])])],
["expected ':', got DELIM"]),
('foo { bar ; baz: {("}"/* comment */) {0@fizz}} }',
[('foo', [('baz', [('{', [
('(', [('STRING', '}')]), ('S', ' '),
('{', [('INTEGER', 0), ('ATKEYWORD', '@fizz')])
])])])],
["expected ':'"]),
('foo { bar: ; baz: not(z) }',
[('foo', [('baz', [('FUNCTION', 'not', [('IDENT', 'z')])])])],
['expected a property value']),
('foo { bar: (]) ; baz: U+20 }',
[('foo', [('baz', [('UNICODE-RANGE', 'U+20')])])],
['unmatched ] token in (']),
]:
stylesheet = CoreParser().parse_stylesheet(css_source)
self.assert_errors(stylesheet.errors, expected_errors)
result = [
(rule.at_keyword, list(jsonify(rule.head)),
list(jsonify(rule.body))
if rule.body is not None else None)
if rule.at_keyword else
(rule.selector.as_css(), [
(decl.name, list(jsonify(decl.value)))
for decl in rule.declarations])
for rule in stylesheet.rules
]
self.ae(result, expected_rules)
def declarations(rule):
return [(decl.name, list(jsonify(decl.value)))
for decl in rule.declarations]