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require File.expand_path(File.dirname(__FILE__) + '/test_helper')
require "set"
# Test cases for parsing CSS blocks
class RuleSetTests < Test::Unit::TestCase
include CssParser
def setup
@cp = Parser.new
end
def test_setting_property_values
rs = RuleSet.new(nil, nil)
rs['background-color'] = 'red'
assert_equal('red;', rs['background-color'])
rs['background-color'] = 'blue !important;'
assert_equal('blue !important;', rs['background-color'])
end
def test_getting_property_values
rs = RuleSet.new('#content p, a', 'color: #fff;')
assert_equal('#fff;', rs['color'])
end
def test_getting_property_value_ignoring_case
rs = RuleSet.new('#content p, a', 'color: #fff;')
assert_equal('#fff;', rs[' ColoR '])
end
def test_each_selector
expected = [
{:selector => "#content p", :declarations => "color: #fff;", :specificity => 101},
{:selector => "a", :declarations => "color: #fff;", :specificity => 1}
]
actual = []
rs = RuleSet.new('#content p, a', 'color: #fff;')
rs.each_selector do |sel, decs, spec|
actual << {:selector => sel, :declarations => decs, :specificity => spec}
end
assert_equal(expected, actual)
end
def test_each_declaration
expected = Set.new([
{:property => 'margin', :value => '1px -0.25em', :is_important => false},
{:property => 'background', :value => 'white none no-repeat', :is_important => true},
{:property => 'color', :value => '#fff', :is_important => false}
])
actual = Set.new
rs = RuleSet.new(nil, 'color: #fff; Background: white none no-repeat !important; margin: 1px -0.25em;')
rs.each_declaration do |prop, val, imp|
actual << {:property => prop, :value => val, :is_important => imp}
end
assert_equal(expected, actual)
end
def test_each_declaration_respects_order
css_fragment = "margin: 0; padding: 20px; margin-bottom: 28px;"
rs = RuleSet.new(nil, css_fragment)
expected = %w(margin padding margin-bottom)
actual = []
rs.each_declaration { |prop, val, imp| actual << prop }
assert_equal(expected, actual)
end
def test_each_declaration_containing_semicolons
rs = RuleSet.new(nil, "background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAiCAMAAAB7);" +
"background-repeat: no-repeat")
assert_equal('url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAiCAMAAAB7);', rs['background-image'])
assert_equal('no-repeat;', rs['background-repeat'])
end
def test_selector_sanitization
selectors = "h1, h2,\nh3 "
rs = RuleSet.new(selectors, "color: #fff;")
assert rs.selectors.member?("h3")
end
def test_multiple_selectors_to_s
selectors = "#content p, a"
rs = RuleSet.new(selectors, "color: #fff;")
assert_match(/^\s*#content p,\s*a\s*\{/, rs.to_s)
end
def test_declarations_to_s
declarations = 'color: #fff; font-weight: bold;'
rs = RuleSet.new('#content p, a', declarations)
assert_equal(declarations.split(' ').sort, rs.declarations_to_s.split(' ').sort)
end
def test_important_declarations_to_s
declarations = 'color: #fff; font-weight: bold !important;'
rs = RuleSet.new('#content p, a', declarations)
assert_equal(declarations.split(' ').sort, rs.declarations_to_s.split(' ').sort)
end
def test_overriding_specificity
rs = RuleSet.new('#content p, a', 'color: white', 1000)
rs.each_selector do |sel, decs, spec|
assert_equal 1000, spec
end
end
end
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