2009-12-09 18:03:55 +00:00
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module Capybara
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# this is a class for generating XPath queries, use it like this:
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# Xpath.text_field('foo').link('blah').to_s
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# this will generate an XPath that matches either a text field or a link
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class XPath
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2009-12-27 08:11:22 +00:00
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2009-12-09 18:03:55 +00:00
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class << self
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2009-12-24 05:41:34 +00:00
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def from_css(css)
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Nokogiri::CSS.xpath_for(css).first
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end
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alias_method :for_css, :from_css
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2010-01-01 16:48:39 +00:00
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2009-12-12 20:46:08 +00:00
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def wrap(path)
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if path.is_a?(self)
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path
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else
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new(path.to_s)
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end
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end
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2010-01-01 16:48:39 +00:00
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2009-12-09 18:03:55 +00:00
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def respond_to?(method)
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new.respond_to?(method)
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end
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def method_missing(*args)
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new.send(*args)
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end
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end
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attr_reader :paths
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def initialize(*paths)
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@paths = paths
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end
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2009-12-24 05:41:34 +00:00
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2009-12-09 18:03:55 +00:00
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def field(locator)
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2010-01-11 19:36:05 +00:00
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fillable_field(locator).input_field(:file, locator).checkbox(locator).radio_button(locator).select(locator)
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2009-12-09 18:03:55 +00:00
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end
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def fillable_field(locator)
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2010-01-11 19:36:05 +00:00
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[:text, :password, :email, :url, :search, :tel, :color].inject(text_area(locator)) do |all, type|
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all.input_field(type, locator)
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end
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2009-12-09 18:03:55 +00:00
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end
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2010-01-01 16:48:39 +00:00
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2009-12-09 18:11:52 +00:00
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def content(locator)
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2009-12-12 21:09:35 +00:00
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append("/descendant-or-self::*[contains(.,#{s(locator)})]")
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2009-12-09 18:11:52 +00:00
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end
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2010-01-01 16:48:39 +00:00
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2009-12-09 18:11:52 +00:00
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def table(locator)
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append("//table[@id=#{s(locator)} or contains(caption,#{s(locator)})]")
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end
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2010-01-01 16:48:39 +00:00
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2009-12-09 18:11:52 +00:00
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def fieldset(locator)
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append("//fieldset[@id=#{s(locator)} or contains(legend,#{s(locator)})]")
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end
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2010-01-01 16:48:39 +00:00
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2009-12-09 18:17:01 +00:00
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def link(locator)
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2010-01-15 15:13:48 +00:00
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xpath = append("//a[@href][@id=#{s(locator)} or contains(.,#{s(locator)}) or contains(@title,#{s(locator)}) or img[contains(@alt,#{s(locator)})]]")
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xpath.prepend("//a[@href][text()=#{s(locator)} or @title=#{s(locator)} or img[@alt=#{s(locator)}]]")
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2009-12-09 18:17:01 +00:00
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end
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2010-01-01 16:48:39 +00:00
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2009-12-09 18:17:01 +00:00
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def button(locator)
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2009-12-29 09:13:09 +00:00
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xpath = append("//input[@type='submit' or @type='image'][@id=#{s(locator)} or contains(@value,#{s(locator)})]")
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2010-01-11 20:18:32 +00:00
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xpath = xpath.append("//button[@id=#{s(locator)} or contains(@value,#{s(locator)}) or contains(.,#{s(locator)})]")
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xpath = xpath.prepend("//input[@type='submit' or @type='image'][@value=#{s(locator)}]")
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xpath = xpath.prepend("//button[@value=#{s(locator)} or text()=#{s(locator)}]")
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2009-12-09 18:17:01 +00:00
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end
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2009-12-09 18:03:55 +00:00
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def text_area(locator)
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2009-12-15 22:27:52 +00:00
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add_field(locator, "//textarea")
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2009-12-09 18:03:55 +00:00
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end
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def select(locator)
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2009-12-15 22:27:52 +00:00
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add_field(locator, "//select")
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2009-12-09 18:03:55 +00:00
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end
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2010-01-11 19:36:05 +00:00
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def input_field(type, locator)
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add_field(locator, "//input[@type='#{type}']")
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2009-12-09 18:03:55 +00:00
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end
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2010-01-01 16:48:39 +00:00
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2009-12-12 20:46:08 +00:00
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def scope(scope)
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XPath.new(*paths.map { |p| scope + p })
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end
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2009-12-09 18:03:55 +00:00
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def to_s
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@paths.join(' | ')
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end
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2010-01-01 16:48:39 +00:00
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2009-12-13 14:02:25 +00:00
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def append(path)
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XPath.new(*[@paths, XPath.wrap(path).paths].flatten)
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end
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2010-01-01 16:48:39 +00:00
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2009-12-13 14:02:25 +00:00
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def prepend(path)
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XPath.new(*[XPath.wrap(path).paths, @paths].flatten)
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end
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2009-12-09 18:03:55 +00:00
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2010-01-11 19:36:05 +00:00
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def checkbox(locator)
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input_field(:checkbox, locator)
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end
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def radio_button(locator)
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input_field(:radio, locator)
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end
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[:text, :password, :email, :url, :search, :tel, :color, :file].each do |type|
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class_eval <<-RUBY, __FILE__, __LINE__+1
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def #{type}_field(locator)
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input_field(:#{type}, locator)
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end
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RUBY
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end
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2009-12-09 18:17:01 +00:00
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protected
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2010-01-01 16:48:39 +00:00
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2009-12-15 22:27:52 +00:00
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def add_field(locator, field)
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xpath = append("#{field}[@id=#{s(locator)}]")
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2009-12-27 08:11:22 +00:00
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xpath = xpath.append("#{field}[@name=#{s(locator)}]")
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2009-12-15 22:27:52 +00:00
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xpath = xpath.append("#{field}[@id=//label[contains(.,#{s(locator)})]/@for]")
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2009-12-15 22:31:57 +00:00
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xpath = xpath.append("//label[contains(.,#{s(locator)})]#{field}")
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2009-12-15 22:27:52 +00:00
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xpath.prepend("#{field}[@id=//label[text()=#{s(locator)}]/@for]")
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2009-12-09 19:20:40 +00:00
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end
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2010-01-01 16:48:39 +00:00
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2009-12-09 18:11:52 +00:00
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# Sanitize a String for putting it into an xpath query
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def s(string)
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if string.include?("'")
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string = string.split("'", -1).map do |substr|
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"'#{substr}'"
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end.join(%q{,"'",})
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"concat(#{string})"
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else
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"'#{string}'"
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end
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2010-01-01 16:48:39 +00:00
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2009-12-09 18:11:52 +00:00
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end
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2009-12-09 18:03:55 +00:00
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end
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end
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