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Contents
require File.expand_path(File.join(File.dirname(__FILE__), '..', "helper"))
module Nokogiri
module CSS
class TestXPathVisitor < Nokogiri::TestCase
def setup
@parser = Nokogiri::CSS::Parser.new
end
def test_class_selectors
assert_xpath "//*[contains(concat(' ', @class, ' '), ' red ')]",
@parser.parse(".red")
end
def test_pipe
assert_xpath "//a[@id = 'Boing' or starts-with(@id, concat('Boing', '-'))]",
@parser.parse("a[id|='Boing']")
end
def test_custom_functions
visitor = Class.new(XPathVisitor) do
attr_accessor :awesome
def visit_function_aaron node
@awesome = true
'aaron() = 1'
end
end.new
ast = @parser.parse('a:aaron()').first
assert_equal 'a[aaron() = 1]', visitor.accept(ast)
assert visitor.awesome
end
def test_custom_psuedo_classes
visitor = Class.new(XPathVisitor) do
attr_accessor :awesome
def visit_pseudo_class_aaron node
@awesome = true
'aaron() = 1'
end
end.new
ast = @parser.parse('a:aaron').first
assert_equal 'a[aaron() = 1]', visitor.accept(ast)
assert visitor.awesome
end
def assert_xpath expecteds, asts
expecteds = [expecteds].flatten
expecteds.zip(asts).each do |expected, actual|
assert_equal expected, actual.to_xpath
end
end
end
end
end
Version data entries
15 entries across 15 versions & 2 rubygems