305 lines
10 KiB
Ruby
305 lines
10 KiB
Ruby
# frozen_string_literal: true
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module Capybara
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module Queries
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class SelectorQuery < Queries::BaseQuery
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attr_accessor :selector, :locator, :options, :expression, :find, :negative
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VALID_KEYS = COUNT_KEYS + %i[text id class visible exact exact_text match wait filter_set]
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VALID_MATCH = %i[first smart prefer_exact one].freeze
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def initialize(*args, session_options:, **options, &filter_block)
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@resolved_node = nil
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@options = options.dup
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super(@options)
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self.session_options = session_options
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@selector = find_selector(args[0].is_a?(Symbol) ? args.shift : args[0])
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@locator = args.shift
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@filter_block = filter_block
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raise ArgumentError, "Unused parameters passed to #{self.class.name} : #{args}" unless args.empty?
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@expression = @selector.call(@locator, @options.merge(enable_aria_label: session_options.enable_aria_label))
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warn_exact_usage
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assert_valid_keys
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end
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def name; selector.name; end
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def label; selector.label || selector.name; end
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def description
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@description = +""
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@description << "visible " if visible == :visible
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@description << "non-visible " if visible == :hidden
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@description << "#{label} #{locator.inspect}"
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@description << " with#{' exact' if exact_text == true} text #{options[:text].inspect}" if options[:text]
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@description << " with exact text #{exact_text}" if exact_text.is_a?(String)
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@description << " with id #{options[:id]}" if options[:id]
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@description << " with classes [#{Array(options[:class]).join(',')}]" if options[:class]
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@description << selector.description(options)
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@description << " that also matches the custom filter block" if @filter_block
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@description << " within #{@resolved_node.inspect}" if describe_within?
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@description
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end
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def matches_filters?(node)
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return false if options[:text] && !matches_text_filter(node, options[:text])
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return false if exact_text.is_a?(String) && !matches_exact_text_filter(node, exact_text)
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case visible
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when :visible then return false unless node.visible?
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when :hidden then return false if node.visible?
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end
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matches_node_filters?(node) && matches_filter_block?(node)
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rescue *(node.respond_to?(:session) ? node.session.driver.invalid_element_errors : [])
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false
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end
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def visible
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case (vis = options.fetch(:visible) { @selector.default_visibility(session_options.ignore_hidden_elements) })
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when true then :visible
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when false then :all
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else vis
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end
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end
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def exact?
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supports_exact? ? options.fetch(:exact, session_options.exact) : false
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end
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def match
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options.fetch(:match, session_options.match)
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end
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def xpath(exact = nil)
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exact = exact? if exact.nil?
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expr = apply_expression_filters(@expression)
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expr = exact ? expr.to_xpath(:exact) : expr.to_s if expr.respond_to?(:to_xpath)
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filtered_xpath(expr)
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end
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def css
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filtered_css(apply_expression_filters(@expression))
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end
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# @api private
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def resolve_for(node, exact = nil)
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@resolved_node = node
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node.synchronize do
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children = if selector.format == :css
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node.find_css(css)
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else
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node.find_xpath(xpath(exact))
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end.map do |child|
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if node.is_a?(Capybara::Node::Base)
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Capybara::Node::Element.new(node.session, child, node, self)
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else
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Capybara::Node::Simple.new(child)
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end
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end
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Capybara::Result.new(children, self)
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end
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end
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# @api private
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def supports_exact?
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@expression.respond_to? :to_xpath
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end
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private
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def find_selector(locator)
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selector = if locator.is_a?(Symbol)
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Selector.all.fetch(locator) { |sel_type| raise ArgumentError, "Unknown selector type (:#{sel_type})" }
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else
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Selector.all.values.find { |s| s.match?(locator) }
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end
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selector || Selector.all[session_options.default_selector]
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end
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def valid_keys
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VALID_KEYS + custom_keys
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end
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def matches_node_filters?(node)
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unapplied_options = options.keys - valid_keys
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node_filters.all? do |filter_name, filter|
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if filter.matcher?
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unapplied_options.select { |option_name| filter.handles_option?(option_name) }.all? do |option_name|
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unapplied_options.delete(option_name)
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filter.matches?(node, option_name, options[option_name])
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end
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elsif options.key?(filter_name)
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unapplied_options.delete(filter_name)
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filter.matches?(node, filter_name, options[filter_name])
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elsif filter.default?
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filter.matches?(node, filter_name, filter.default)
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else
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true
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end
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end
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end
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def matches_filter_block?(node)
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return true unless @filter_block
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if node.respond_to?(:session)
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node.session.using_wait_time(0) { @filter_block.call(node) }
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else
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@filter_block.call(node)
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end
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end
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def node_filters
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if options.key?(:filter_set)
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::Capybara::Selector::FilterSet.all[options[:filter_set]].node_filters
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else
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@selector.node_filters
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end
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end
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def expression_filters
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filters = @selector.expression_filters
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filters.merge ::Capybara::Selector::FilterSet.all[options[:filter_set]].expression_filters if options.key?(:filter_set)
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filters
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end
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def custom_keys
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@custom_keys ||= node_filters.keys + expression_filters.keys
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end
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def assert_valid_keys
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unless VALID_MATCH.include?(match)
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raise ArgumentError, "invalid option #{match.inspect} for :match, should be one of #{VALID_MATCH.map(&:inspect).join(', ')}"
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end
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unhandled_options = @options.keys - valid_keys
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unhandled_options -= @options.keys.select do |option_name|
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expression_filters.any? { |_nmae, ef| ef.handles_option? option_name } ||
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node_filters.any? { |_name, nf| nf.handles_option? option_name }
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end
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return if unhandled_options.empty?
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invalid_names = unhandled_options.map(&:inspect).join(", ")
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valid_names = valid_keys.map(&:inspect).join(", ")
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raise ArgumentError, "invalid keys #{invalid_names}, should be one of #{valid_names}"
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end
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def filtered_xpath(expr)
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if options.key?(:id) && !custom_keys.include?(:id)
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expr = if options[:id].is_a? XPath::Expression
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"(#{expr})[#{XPath.attr(:id)[options[:id]]}]"
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else
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"(#{expr})[#{XPath.attr(:id) == options[:id]}]"
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end
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end
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if options.key?(:class) && !custom_keys.include?(:class)
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class_xpath = if options[:class].is_a?(XPath::Expression)
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XPath.attr(:class)[options[:class]]
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else
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Array(options[:class]).map do |klass|
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if klass.start_with?('!')
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!XPath.attr(:class).contains_word(klass.slice(1))
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else
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XPath.attr(:class).contains_word(klass)
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end
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end.reduce(:&)
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end
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expr = "(#{expr})[#{class_xpath}]"
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end
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expr
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end
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def filtered_css(expr)
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process_id = options.key?(:id) && !custom_keys.include?(:id)
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process_class = options.key?(:class) && !custom_keys.include?(:class)
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if process_id && options[:id].is_a?(XPath::Expression)
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raise ArgumentError, "XPath expressions are not supported for the :id filter with CSS based selectors"
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end
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if process_class && options[:class].is_a?(XPath::Expression)
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raise ArgumentError, "XPath expressions are not supported for the :class filter with CSS based selectors"
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end
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if process_id || process_class
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expr = ::Capybara::Selector::CSS.split(expr).map do |sel|
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sel += "##{::Capybara::Selector::CSS.escape(options[:id])}" if process_id
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sel += css_from_classes(Array(options[:class])) if process_class
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sel
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end.join(", ")
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end
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expr
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end
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def css_from_classes(classes)
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classes = classes.group_by { |c| c.start_with? '!' }
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(classes[false].to_a.map { |c| ".#{Capybara::Selector::CSS.escape(c)}" } +
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classes[true].to_a.map { |c| ":not(.#{Capybara::Selector::CSS.escape(c.slice(1))})" }).join
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end
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def apply_expression_filters(expr)
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unapplied_options = options.keys - valid_keys
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expression_filters.inject(expr) do |memo, (name, ef)|
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if ef.matcher?
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unapplied_options.select { |option_name| ef.handles_option?(option_name) }.each do |option_name|
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unapplied_options.delete(option_name)
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memo = ef.apply_filter(memo, option_name, options[option_name])
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end
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memo
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elsif options.key?(name)
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unapplied_options.delete(name)
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ef.apply_filter(memo, name, options[name])
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elsif ef.default?
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ef.apply_filter(memo, name, ef.default)
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else
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memo
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end
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end
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end
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def warn_exact_usage
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return unless options.key?(:exact) && !supports_exact?
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warn "The :exact option only has an effect on queries using the XPath#is method. Using it with the query \"#{expression}\" has no effect."
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end
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def exact_text
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options.fetch(:exact_text, session_options.exact_text)
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end
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def describe_within?
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@resolved_node && !document?(@resolved_node) && !simple_root?(@resolved_node)
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end
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def document?(node)
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node.is_a?(::Capybara::Node::Document)
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end
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def simple_root?(node)
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node.is_a?(::Capybara::Node::Simple) && node.path == '/'
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end
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def matches_text_filter(node, value)
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return matches_exact_text_filter(node, value) if exact_text == true
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regexp = value.is_a?(Regexp) ? value : Regexp.escape(value.to_s)
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matches_text_regexp(node, regexp)
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end
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def matches_exact_text_filter(node, value)
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regexp = value.is_a?(Regexp) ? value : /\A#{Regexp.escape(value.to_s)}\z/
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matches_text_regexp(node, regexp)
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end
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def matches_text_regexp(node, regexp)
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text_visible = visible
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text_visible = :all if text_visible == :hidden
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node.text(text_visible).match(regexp)
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end
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end
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end
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end
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