this is a class for generating XPath queries, use it like this:
Xpath.text_field('foo').link('blah').to_s
this will generate an XPath that matches either a text field or a link
# File lib/capybara/xpath.rb, line 8 def escape(string) if string.include?("'") string = string.split("'", -1).map do |substr| "'#{substr}'" end.join(%{,"'",}) "concat(#{string})" else "'#{string}'" end end
# File lib/capybara/xpath.rb, line 31 def method_missing(*args) new.send(*args) end
# File lib/capybara/xpath.rb, line 38 def initialize(*paths) @paths = paths end
# File lib/capybara/xpath.rb, line 50 def append(path) XPath.new(*[@paths, XPath.wrap(path).paths].flatten) end
# File lib/capybara/xpath.rb, line 126 def checkbox(locator, options={}) input_field(:checkbox, locator, options) end
# File lib/capybara/xpath.rb, line 79 def content(locator) append("/descendant-or-self::*[contains(normalize-space(.),#{s(locator)})]") end
# File lib/capybara/xpath.rb, line 63 def field(locator, options={}) if options[:with] fillable_field(locator, options) else xpath = fillable_field(locator) xpath = xpath.input_field(:file, locator, options) xpath = xpath.checkbox(locator, options) xpath = xpath.radio_button(locator, options) xpath.select(locator, options) end end
# File lib/capybara/xpath.rb, line 95 def fieldset(locator) append("//fieldset[@id=#{s(locator)} or contains(legend,#{s(locator)})]") end
# File lib/capybara/xpath.rb, line 134 def file_field(locator, options={}) input_field(:file, locator, options) end
# File lib/capybara/xpath.rb, line 75 def fillable_field(locator, options={}) text_area(locator, options).text_field(locator, options) end
# File lib/capybara/xpath.rb, line 58 def from_css(css) append(Nokogiri::CSS.xpath_for(css).first) end
# File lib/capybara/xpath.rb, line 99 def link(locator) xpath = append("//a[@href][@id=#{s(locator)} or contains(.,#{s(locator)}) or contains(@title,#{s(locator)}) or img[contains(@alt,#{s(locator)})]]") xpath.prepend("//a[@href][text()=#{s(locator)} or @title=#{s(locator)} or img[@alt=#{s(locator)}]]") end
# File lib/capybara/xpath.rb, line 54 def prepend(path) XPath.new(*[XPath.wrap(path).paths, @paths].flatten) end
# File lib/capybara/xpath.rb, line 42 def scope(scope) XPath.new(*paths.map { |p| scope + p }) end
# File lib/capybara/xpath.rb, line 122 def select(locator, options={}) add_field(locator, "//select", options) end
# File lib/capybara/xpath.rb, line 83 def table(locator, options={}) conditions = "" if options[:rows] row_conditions = options[:rows].map do |row| row = row.map { |column| "*[self::td or self::th][text()=#{s(column)}]" }.join(sibling) "tr[./#{row}]" end.join(sibling) conditions << "[.//#{row_conditions}]" end append("//table[@id=#{s(locator)} or contains(caption,#{s(locator)})]#{conditions}") end
# File lib/capybara/xpath.rb, line 117 def text_area(locator, options={}) options = options.merge(:text => options[:with]) if options.has_key?(:with) add_field(locator, "//textarea", options) end
# File lib/capybara/xpath.rb, line 112 def text_field(locator, options={}) options = options.merge(:value => options[:with]) if options.has_key?(:with) add_field(locator, "//input[not(@type) or (@type!='radio' and @type!='checkbox' and @type!='hidden')]", options) end
# File lib/capybara/xpath.rb, line 150 def add_field(locator, field, options={}) postfix = extract_postfix(options) xpath = append("#{field}[@id=#{s(locator)}]#{postfix}") xpath = xpath.append("#{field}[@name=#{s(locator)}]#{postfix}") xpath = xpath.append("#{field}[@id=//label[contains(.,#{s(locator)})]/@for]#{postfix}") xpath = xpath.append("//label[contains(.,#{s(locator)})]#{field}#{postfix}") xpath.prepend("#{field}[@id=//label[text()=#{s(locator)}]/@for]#{postfix}") end
# File lib/capybara/xpath.rb, line 159 def extract_postfix(options) options.inject("") do |postfix, (key, value)| case key when :value then postfix += "[@value=#{s(value)}]" when :text then postfix += "[text()=#{s(value)}]" when :checked then postfix += "[@checked]" when :unchecked then postfix += "[not(@checked)]" when :options then postfix += value.map { |o| "[.//option/text()=#{s(o)}]" }.join when :selected then postfix += [value].flatten.map { |o| "[.//option[@selected]/text()=#{s(o)}]" }.join end postfix end end
# File lib/capybara/xpath.rb, line 140 def input_field(type, locator, options={}) options = options.merge(:value => options[:with]) if options.has_key?(:with) add_field(locator, "//input[@type='#{type}']", options) end
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