teamcapybara--capybara/lib/capybara/selector.rb

543 lines
18 KiB
Ruby

# frozen_string_literal: true
require 'capybara/selector/selector'
Capybara::Selector::FilterSet.add(:_field) do
filter(:checked, :boolean) { |node, value| not(value ^ node.checked?) }
filter(:unchecked, :boolean) { |node, value| (value ^ node.checked?) }
filter(:disabled, :boolean, default: false, skip_if: :all) { |node, value| not(value ^ node.disabled?) }
filter(:multiple, :boolean) { |node, value| !(value ^ node.multiple?) }
expression_filter(:name) { |xpath, val| xpath[XPath.attr(:name).equals(val)] }
expression_filter(:placeholder) { |xpath, val| xpath[XPath.attr(:placeholder).equals(val)] }
describe do |options|
desc, states = String.new, []
states << 'checked' if options[:checked] || (options[:unchecked] == false)
states << 'not checked' if options[:unchecked] || (options[:checked] == false)
states << 'disabled' if options[:disabled] == true
states << 'not disabled' if options[:disabled] == false
desc << " that is #{states.join(' and ')}" unless states.empty?
desc << " with the multiple attribute" if options[:multiple] == true
desc << " without the multiple attribute" if options[:multiple] == false
desc
end
end
##
#
# Select elements by XPath expression
#
# @locator An XPath expression
#
Capybara.add_selector(:xpath) do
xpath { |xpath| xpath }
end
##
#
# Select elements by CSS selector
#
# @locator A CSS selector
#
Capybara.add_selector(:css) do
css { |css| css }
end
##
#
# Select element by id
#
# @locator The id of the element to match
#
Capybara.add_selector(:id) do
xpath { |id| XPath.descendant[XPath.attr(:id) == id.to_s] }
end
##
#
# Select field elements (input [not of type submit, image, or hidden], textarea, select)
#
# @locator Matches against the id, name, or placeholder
# @filter [String] :id Matches the id attribute
# @filter [String] :name Matches the name attribute
# @filter [String] :placeholder Matches the placeholder attribute
# @filter [String] :type Matches the type attribute of the field or element type for 'textarea' and 'select'
# @filter [Boolean] :readonly
# @filter [String] :with Matches the current value of the field
# @filter [String, Array<String>] :class Matches the class(es) provided
# @filter [Boolean] :checked Match checked fields?
# @filter [Boolean] :unchecked Match unchecked fields?
# @filter [Boolean] :disabled Match disabled field?
# @filter [Boolean] :multiple Match fields that accept multiple values
Capybara.add_selector(:field) do
xpath do |locator, **options|
xpath = XPath.descendant(:input, :textarea, :select)[~XPath.attr(:type).one_of('submit', 'image', 'hidden')]
locate_field(xpath, locator, options)
end
expression_filter(:type) do |expr, type|
type = type.to_s
if ['textarea', 'select'].include?(type)
expr.axis(:self, type.to_sym)
else
expr[XPath.attr(:type).equals(type)]
end
end
filter_set(:_field) # checked/unchecked/disabled/multiple/name/placeholder
filter(:readonly, :boolean) { |node, value| not(value ^ node.readonly?) }
filter(:with) do |node, with|
with.is_a?(Regexp) ? node.value =~ with : node.value == with.to_s
end
describe do |options|
desc = String.new
(expression_filters.keys - [:type]).each { |ef| desc << " with #{ef} #{options[ef]}" if options.has_key?(ef) }
desc << " of type #{options[:type].inspect}" if options[:type]
desc << " with value #{options[:with].to_s.inspect}" if options.has_key?(:with)
desc
end
end
##
#
# Select fieldset elements
#
# @locator Matches id or contents of wrapped legend
#
# @filter [String] :id Matches id attribute
# @filter [String] :legend Matches contents of wrapped legend
# @filter [String, Array<String>] :class Matches the class(es) provided
#
Capybara.add_selector(:fieldset) do
xpath(:legend) do |locator, legend: nil, **options|
xpath = XPath.descendant(:fieldset)
xpath = xpath[XPath.attr(:id).equals(locator.to_s).or XPath.child(:legend)[XPath.string.n.is(locator.to_s)]] unless locator.nil?
xpath = xpath[XPath.child(:legend)[XPath.string.n.is(legend)]] if legend
xpath
end
end
##
#
# Find links ( <a> elements with an href attribute )
#
# @locator Matches the id or title attributes, or the string content of the link, or the alt attribute of a contained img element
#
# @filter [String] :id Matches the id attribute
# @filter [String] :title Matches the title attribute
# @filter [String] :alt Matches the alt attribute of a contained img element
# @filter [String] :class Matches the class(es) provided
# @filter [String, Regexp,nil] :href Matches the normalized href of the link, if nil will find <a> elements with no href attribute
#
Capybara.add_selector(:link) do
xpath(:title, :alt) do |locator, href: true, **options|
xpath = XPath.descendant(:a)
xpath = if href.nil?
xpath[~XPath.attr(:href)]
else
xpath[XPath.attr(:href)]
end
unless locator.nil?
locator = locator.to_s
matchers = XPath.attr(:id).equals(locator).or(
XPath.string.n.is(locator)).or(
XPath.attr(:title).is(locator)).or(
XPath.descendant(:img)[XPath.attr(:alt).is(locator)])
matchers = matchers.or XPath.attr(:'aria-label').is(locator) if options[:enable_aria_label]
xpath = xpath[matchers]
end
xpath = [:title].inject(xpath) { |memo, ef| memo[find_by_attr(ef, options[ef])] }
xpath = xpath[XPath.descendant(:img)[XPath.attr(:alt).equals(options[:alt])]] if options[:alt]
xpath
end
filter(:href) do |node, href|
case href
when nil
true
when Regexp
node[:href].match href
else
node.first(:xpath, XPath.axis(:self)[XPath.attr(:href).equals(href.to_s)], minimum: 0)
end
end
describe do |options|
desc = String.new()
desc << " with href #{options[:href].inspect}" if options[:href]
desc << " with no href attribute" if options.fetch(:href, true).nil?
end
end
##
#
# Find buttons ( input [of type submit, reset, image, button] or button elements )
#
# @locator Matches the id, value, or title attributes, string content of a button, or the alt attribute of an image type button or of a descendant image of a button
#
# @filter [String] :id Matches the id attribute
# @filter [String] :title Matches the title attribute
# @filter [String] :class Matches the class(es) provided
# @filter [String] :value Matches the value of an input button
#
Capybara.add_selector(:button) do
xpath(:value, :title) do |locator, **options|
input_btn_xpath = XPath.descendant(:input)[XPath.attr(:type).one_of('submit', 'reset', 'image', 'button')]
btn_xpath = XPath.descendant(:button)
image_btn_xpath = XPath.descendant(:input)[XPath.attr(:type).equals('image')]
unless locator.nil?
locator = locator.to_s
locator_matches = XPath.attr(:id).equals(locator).or XPath.attr(:value).is(locator).or XPath.attr(:title).is(locator)
locator_matches = locator_matches.or XPath.attr(:'aria-label').is(locator) if options[:enable_aria_label]
input_btn_xpath = input_btn_xpath[locator_matches]
btn_xpath = btn_xpath[locator_matches.or XPath.string.n.is(locator).or XPath.descendant(:img)[XPath.attr(:alt).is(locator)]]
alt_matches = XPath.attr(:alt).is(locator)
alt_matches = alt_matches.or XPath.attr(:'aria-label').is(locator) if options[:enable_aria_label]
image_btn_xpath = image_btn_xpath[alt_matches]
end
res_xpath = input_btn_xpath.union(btn_xpath).union(image_btn_xpath)
res_xpath = expression_filters.keys.inject(res_xpath) { |memo, ef| memo[find_by_attr(ef, options[ef])] }
res_xpath
end
filter(:disabled, :boolean, default: false, skip_if: :all) { |node, value| not(value ^ node.disabled?) }
describe do |options|
desc = String.new
desc << " that is disabled" if options[:disabled] == true
desc << describe_all_expression_filters(options)
desc
end
end
##
#
# Find links or buttons
#
Capybara.add_selector(:link_or_button) do
label "link or button"
xpath do |locator, options|
self.class.all.values_at(:link, :button).map {|selector| selector.xpath.call(locator, options)}.reduce(:union)
end
filter(:disabled, :boolean, default: false, skip_if: :all) { |node, value| node.tag_name == "a" or not(value ^ node.disabled?) }
describe { |options| " that is disabled" if options[:disabled] }
end
##
#
# Find text fillable fields ( textarea, input [not of type submit, image, radio, checkbox, hidden, file] )
#
# @locator Matches against the id, name, or placeholder
# @filter [String] :id Matches the id attribute
# @filter [String] :name Matches the name attribute
# @filter [String] :placeholder Matches the placeholder attribute
# @filter [String] :with Matches the current value of the field
# @filter [String] :type Matches the type attribute of the field or element type for 'textarea'
# @filter [String, Array<String>] :class Matches the class(es) provided
# @filter [Boolean] :disabled Match disabled field?
# @filter [Boolean] :multiple Match fields that accept multiple values
#
Capybara.add_selector(:fillable_field) do
label "field"
xpath do |locator, options|
xpath = XPath.descendant(:input, :textarea)[~XPath.attr(:type).one_of('submit', 'image', 'radio', 'checkbox', 'hidden', 'file')]
locate_field(xpath, locator, options)
end
expression_filter(:type) do |expr, type|
type = type.to_s
if ['textarea'].include?(type)
expr.axis(:self, type.to_sym)
else
expr[XPath.attr(:type).equals(type)]
end
end
filter_set(:_field, [:disabled, :multiple, :name, :placeholder])
filter(:with) do |node, with|
with.is_a?(Regexp) ? node.value =~ with : node.value == with.to_s
end
describe do |options|
desc = String.new
desc << describe_all_expression_filters(options)
desc << " with value #{options[:with].to_s.inspect}" if options.has_key?(:with)
desc
end
end
##
#
# Find radio buttons
#
# @locator Match id, name, or associated label text
# @filter [String] :id Matches the id attribute
# @filter [String] :name Matches the name attribute
# @filter [String, Array<String>] :class Matches the class(es) provided
# @filter [Boolean] :checked Match checked fields?
# @filter [Boolean] :unchecked Match unchecked fields?
# @filter [Boolean] :disabled Match disabled field?
# @filter [String] :option Match the value
#
Capybara.add_selector(:radio_button) do
label "radio button"
xpath do |locator, options|
xpath = XPath.descendant(:input)[XPath.attr(:type).equals('radio')]
locate_field(xpath, locator, options)
end
filter_set(:_field, [:checked, :unchecked, :disabled, :name])
filter(:option) { |node, value| node.value == value.to_s }
describe do |options|
desc = String.new
desc << " with value #{options[:option].inspect}" if options[:option]
desc << describe_all_expression_filters(options)
desc
end
end
##
#
# Find checkboxes
#
# @locator Match id, name, or associated label text
# @filter [String] :id Matches the id attribute
# @filter [String] :name Matches the name attribute
# @filter [String, Array<String>] :class Matches the class(es) provided
# @filter [Boolean] :checked Match checked fields?
# @filter [Boolean] :unchecked Match unchecked fields?
# @filter [Boolean] :disabled Match disabled field?
# @filter [String] :option Match the value
#
Capybara.add_selector(:checkbox) do
xpath do |locator, options|
xpath = XPath.descendant(:input)[XPath.attr(:type).equals('checkbox')]
locate_field(xpath, locator, options)
end
filter_set(:_field, [:checked, :unchecked, :disabled, :name])
filter(:option) { |node, value| node.value == value.to_s }
describe do |options|
desc = String.new
desc << " with value #{options[:option].inspect}" if options[:option]
desc << describe_all_expression_filters(options)
desc
end
end
##
#
# Find select elements
#
# @locator Match id, name, placeholder, or associated label text
# @filter [String] :id Matches the id attribute
# @filter [String] :name Matches the name attribute
# @filter [String] :placeholder Matches the placeholder attribute
# @filter [String, Array<String>] :class Matches the class(es) provided
# @filter [Boolean] :disabled Match disabled field?
# @filter [Boolean] :multiple Match fields that accept multiple values
# @filter [Array<String>] :options Exact match options
# @filter [Array<String>] :with_options Partial match options
# @filter [String, Array<String>] :selected Match the selection(s)
# @filter [String, Array<String>] :with_selected Partial match the selection(s)
#
Capybara.add_selector(:select) do
label "select box"
xpath do |locator, options|
xpath = XPath.descendant(:select)
locate_field(xpath, locator, options)
end
filter_set(:_field, [:disabled, :multiple, :name, :placeholder])
filter(:options) do |node, options|
if node.visible?
actual = node.all(:xpath, './/option').map { |option| option.text }
else
actual = node.all(:xpath, './/option', visible: false).map { |option| option.text(:all) }
end
options.sort == actual.sort
end
filter(:with_options) do |node, options|
finder_settings = { minimum: 0 }
if !node.visible?
finder_settings[:visible] = false
end
options.all? { |option| node.first(:option, option, finder_settings) }
end
filter(:selected) do |node, selected|
actual = node.all(:xpath, './/option', visible: false).select(&:selected?).map { |option| option.text(:all) }
Array(selected).sort == actual.sort
end
filter(:with_selected) do |node, selected|
actual = node.all(:xpath, './/option', visible: false).select(&:selected?).map { |option| option.text(:all) }
(Array(selected) - actual).empty?
end
describe do |options|
desc = String.new
desc << " with options #{options[:options].inspect}" if options[:options]
desc << " with at least options #{options[:with_options].inspect}" if options[:with_options]
desc << " with #{options[:selected].inspect} selected" if options[:selected]
desc << " with at least #{options[:with_selected].inspect} selected" if options[:with_selected]
desc << describe_all_expression_filters(options)
desc
end
end
##
#
# Find option elements
#
# @locator Match text of option
# @filter [Boolean] :disabled Match disabled option
# @filter [Boolean] :selected Match selected option
#
Capybara.add_selector(:option) do
xpath do |locator|
xpath = XPath.descendant(:option)
xpath = xpath[XPath.string.n.is(locator.to_s)] unless locator.nil?
xpath
end
filter(:disabled, :boolean) { |node, value| not(value ^ node.disabled?) }
filter(:selected, :boolean) { |node, value| not(value ^ node.selected?) }
describe do |options|
desc = String.new
desc << " that is#{' not' unless options[:disabled]} disabled" if options.has_key?(:disabled)
desc << " that is#{' not' unless options[:selected]} selected" if options.has_key?(:selected)
desc
end
end
##
#
# Find file input elements
#
# @locator Match id, name, or associated label text
# @filter [String] :id Matches the id attribute
# @filter [String] :name Matches the name attribute
# @filter [String, Array<String>] :class Matches the class(es) provided
# @filter [Boolean] :disabled Match disabled field?
# @filter [Boolean] :multiple Match field that accepts multiple values
#
Capybara.add_selector(:file_field) do
label "file field"
xpath do |locator, options|
xpath = XPath.descendant(:input)[XPath.attr(:type).equals('file')]
locate_field(xpath, locator, options)
end
filter_set(:_field, [:disabled, :multiple, :name])
describe do |options|
desc = String.new
desc << describe_all_expression_filters(options)
desc
end
end
##
#
# Find label elements
#
# @locator Match id or text contents
# @filter [Element, String] :for The element or id of the element associated with the label
#
Capybara.add_selector(:label) do
label "label"
xpath(:for) do |locator, options|
xpath = XPath.descendant(:label)
xpath = xpath[XPath.string.n.is(locator.to_s).or XPath.attr(:id).equals(locator.to_s)] unless locator.nil?
if options.has_key?(:for) && !options[:for].is_a?(Capybara::Node::Element)
xpath = xpath[XPath.attr(:for).equals(options[:for].to_s).or((~XPath.attr(:for)).and(XPath.descendant()[XPath.attr(:id).equals(options[:for].to_s)]))]
end
xpath
end
filter(:for) do |node, field_or_value|
if field_or_value.is_a? Capybara::Node::Element
if node[:for]
field_or_value[:id] == node[:for]
else
field_or_value.find_xpath('./ancestor::label[1]').include? node.base
end
else
#Non element values were handled through the expression filter
true
end
end
describe do |options|
desc = String.new
desc << " for #{options[:for]}" if options[:for]
desc
end
end
##
#
# Find table elements
#
# @locator id or caption text of table
# @filter [String] :id Match id attribute of table
# @filter [String] :caption Match text of associated caption
# @filter [String, Array<String>] :class Matches the class(es) provided
#
Capybara.add_selector(:table) do
xpath(:caption) do |locator, options|
xpath = XPath.descendant(:table)
xpath = xpath[XPath.attr(:id).equals(locator.to_s).or XPath.descendant(:caption).is(locator.to_s)] unless locator.nil?
xpath = xpath[XPath.descendant(:caption).equals(options[:caption])] if options[:caption]
xpath
end
describe do |options|
desc = String.new
desc << " with caption #{options[:caption]}" if options[:caption]
desc
end
end
##
#
# Find frame/iframe elements
#
# @locator Match id or name
# @filter [String] :id Match id attribute
# @filter [String] :name Match name attribute
# @filter [String, Array<String>] :class Matches the class(es) provided
#
Capybara.add_selector(:frame) do
xpath(:name) do |locator, options|
xpath = XPath.descendant(:iframe).union(XPath.descendant(:frame))
xpath = xpath[XPath.attr(:id).equals(locator.to_s).or XPath.attr(:name).equals(locator)] unless locator.nil?
xpath = expression_filters.keys.inject(xpath) { |memo, ef| memo[find_by_attr(ef, options[ef])] }
xpath
end
describe do |options|
desc = String.new
desc << " with name #{options[:name]}" if options[:name]
desc
end
end