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simple.rb
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simple.rb
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# frozen_string_literal: true
module Capybara
module Node
##
#
# A {Capybara::Node::Simple} is a simpler version of {Capybara::Node::Base} which
# includes only {Capybara::Node::Finders} and {Capybara::Node::Matchers} and does
# not include {Capybara::Node::Actions}. This type of node is returned when
# using {Capybara.string}.
#
# It is useful in that it does not require a session, an application or a driver,
# but can still use Capybara's finders and matchers on any string that contains HTML.
#
class Simple
include Capybara::Node::Finders
include Capybara::Node::Matchers
include Capybara::Node::DocumentMatchers
attr_reader :native
def initialize(native)
native = Capybara::HTML(native) if native.is_a?(String)
@native = native
end
##
#
# @return [String] The text of the element
#
def text(_type = nil, normalize_ws: false)
txt = native.text
normalize_ws ? txt.gsub(/[[:space:]]+/, ' ').strip : txt
end
##
#
# Retrieve the given attribute
#
# element[:title] # => HTML title attribute
#
# @param [Symbol] name The attribute name to retrieve
# @return [String] The value of the attribute
#
def [](name)
attr_name = name.to_s
if attr_name == 'value'
value
elsif (tag_name == 'input') && (native[:type] == 'checkbox') && (attr_name == 'checked')
native['checked'] == 'checked'
else
native[attr_name]
end
end
##
#
# @return [String] The tag name of the element
#
def tag_name
native.node_name
end
##
#
# An XPath expression describing where on the page the element can be found
#
# @return [String] An XPath expression
#
def path
native.path
end
##
#
# @return [String] The value of the form element
#
def value
if tag_name == 'textarea'
native['_capybara_raw_value']
elsif tag_name == 'select'
selected_options = find_xpath('.//option[@selected]')
if multiple?
selected_options.map(&method(:option_value))
else
option_value(selected_options.first || find_xpath('.//option').first)
end
elsif tag_name == 'input' && %w[radio checkbox].include?(native[:type])
native[:value] || 'on'
else
native[:value]
end
end
##
#
# Whether or not the element is visible. Does not support CSS, so
# the result may be inaccurate.
#
# @param [Boolean] check_ancestors Whether to inherit visibility from ancestors
# @return [Boolean] Whether the element is visible
#
def visible?(check_ancestors = true)
return false if (tag_name == 'input') && (native[:type] == 'hidden')
if check_ancestors
!find_xpath(VISIBILITY_XPATH)
else
# No need for an xpath if only checking the current element
!(native.key?('hidden') || (native[:style] =~ /display:\s?none/) || %w[script head].include?(tag_name))
end
end
##
#
# Whether or not the element is checked.
#
# @return [Boolean] Whether the element is checked
#
def checked?
native.has_attribute?('checked')
end
##
#
# Whether or not the element is disabled.
#
# @return [Boolean] Whether the element is disabled
def disabled?
native.has_attribute?('disabled') &&
%w[button input select textarea optgroup option menuitem fieldset].include?(tag_name)
end
##
#
# Whether or not the element is selected.
#
# @return [Boolean] Whether the element is selected
#
def selected?
native.has_attribute?('selected')
end
def multiple?
native.has_attribute?('multiple')
end
def synchronize(_seconds = nil)
yield # simple nodes don't need to wait
end
def allow_reload!
# no op
end
##
#
# @return [String] The title of the document
def title
native.title
end
def inspect
%(#<Capybara::Node::Simple tag="#{tag_name}" path="#{path}">)
end
# @api private
def find_css(css, **_options)
native.css(css)
end
# @api private
def find_xpath(xpath, **_options)
native.xpath(xpath)
end
# @api private
def session_options
Capybara.session_options
end
# @api private
def initial_cache
{}
end
private
def option_value(option)
return nil if option.nil?
option[:value] || option.content
end
VISIBILITY_XPATH = XPath.generate do |x|
x.ancestor_or_self[
x.attr(:style)[x.contains('display:none') | x.contains('display: none')] |
x.attr(:hidden) |
x.qname.one_of('script', 'head')
].boolean
end.to_s.freeze
end
end
end