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How to use expression_filters method of Capybara.Queries Package

Best Capybara code snippet using Capybara.Queries.expression_filters

definition.rb

Source:definition.rb

...15        @match = nil16        @label = nil17        @failure_message = nil18        @expressions = {}19        @expression_filters = {}20        @locator_filter = nil21        @default_visibility = nil22        @locator_type = locator_type23        @raw_locator = raw_locator24        @supports_exact = supports_exact25        instance_eval(&block)26      end27      def custom_filters28        warn "Deprecated: Selector#custom_filters is not valid when same named expression and node filter exist - don't use"29        node_filters.merge(expression_filters).freeze30      end31      def node_filters32        @filter_set.node_filters33      end34      def expression_filters35        @filter_set.expression_filters36      end37      ##38      #39      # Define a selector by an xpath expression40      #41      # @overload xpath(*expression_filters, &block)42      #   @param [Array<Symbol>] expression_filters ([])  Names of filters that are implemented via this expression, if not specified the names of any keyword parameters in the block will be used43      #   @yield [locator, options]                       The block to use to generate the XPath expression44      #   @yieldparam [String] locator                    The locator string passed to the query45      #   @yieldparam [Hash] options                      The options hash passed to the query46      #   @yieldreturn [#to_xpath, #to_s]                 An object that can produce an xpath expression47      #48      # @overload xpath()49      # @return [#call]                             The block that will be called to generate the XPath expression50      #51      def xpath(*allowed_filters, &block)52        expression(:xpath, allowed_filters, &block)53      end54      ##55      #56      # Define a selector by a CSS selector57      #58      # @overload css(*expression_filters, &block)59      #   @param [Array<Symbol>] expression_filters ([])  Names of filters that can be implemented via this CSS selector60      #   @yield [locator, options]                   The block to use to generate the CSS selector61      #   @yieldparam [String] locator               The locator string passed to the query62      #   @yieldparam [Hash] options                 The options hash passed to the query63      #   @yieldreturn [#to_s]                        An object that can produce a CSS selector64      #65      # @overload css()66      # @return [#call]                             The block that will be called to generate the CSS selector67      #68      def css(*allowed_filters, &block)69        expression(:css, allowed_filters, &block)70      end71      ##72      #73      # Automatic selector detection74      #75      # @yield [locator]                   This block takes the passed in locator string and returns whether or not it matches the selector76      # @yieldparam [String], locator      The locator string used to determin if it matches the selector77      # @yieldreturn [Boolean]             Whether this selector matches the locator string78      # @return [#call]                    The block that will be used to detect selector match79      #80      def match(&block)81        @match = block if block82        @match83      end84      ##85      #86      # Set/get a descriptive label for the selector87      #88      # @overload label(label)89      #   @param [String] label            A descriptive label for this selector - used in error messages90      # @overload label()91      # @return [String]                 The currently set label92      #93      def label(label = nil)94        @label = label if label95        @label96      end97      ##98      #99      # Description of the selector100      #101      # @!method description(options)102      #   @param [Hash] options            The options of the query used to generate the description103      #   @return [String]                 Description of the selector when used with the options passed104      def_delegator :@filter_set, :description105      ##106      #107      #  Should this selector be used for the passed in locator108      #109      #  This is used by the automatic selector selection mechanism when no selector type is passed to a selector query110      #111      # @param [String] locator     The locator passed to the query112      # @return [Boolean]           Whether or not to use this selector113      #114      def match?(locator)115        @match&.call(locator)116      end117      ##118      #119      # Define a node filter for use with this selector120      #121      # @!method node_filter(name, *types, options={}, &block)122      #   @param [Symbol, Regexp] name            The filter name123      #   @param [Array<Symbol>] types    The types of the filter - currently valid types are [:boolean]124      #   @param [Hash] options ({})      Options of the filter125      #   @option options [Array<>] :valid_values Valid values for this filter126      #   @option options :default        The default value of the filter (if any)127      #   @option options :skip_if        Value of the filter that will cause it to be skipped128      #   @option options [Regexp] :matcher (nil) A Regexp used to check whether a specific option is handled by this filter.  If not provided the filter will be used for options matching the filter name.129      #130      # If a Symbol is passed for the name the block should accept | node, option_value |, while if a Regexp131      # is passed for the name the block should accept | node, option_name, option_value |. In either case132      # the block should return `true` if the node passes the filer or `false` if it doesn't133      ##134      #135      # Define an expression filter for use with this selector136      #137      # @!method expression_filter(name, *types, matcher: nil, **options, &block)138      #   @param [Symbol, Regexp] name            The filter name139      #   @param [Regexp] matcher (nil)   A Regexp used to check whether a specific option is handled by this filter140      #   @param [Array<Symbol>] types    The types of the filter - currently valid types are [:boolean]141      #   @param [Hash] options ({})      Options of the filter142      #   @option options [Array<>] :valid_values Valid values for this filter143      #   @option options :default        The default value of the filter (if any)144      #   @option options :skip_if        Value of the filter that will cause it to be skipped145      #   @option options [Regexp] :matcher (nil) A Regexp used to check whether a specific option is handled by this filter.  If not provided the filter will be used for options matching the filter name.146      #147      # If a Symbol is passed for the name the block should accept | current_expression, option_value |, while if a Regexp148      # is passed for the name the block should accept | current_expression, option_name, option_value |. In either case149      # the block should return the modified expression150      def_delegators :@filter_set, :node_filter, :expression_filter, :filter151      def locator_filter(*types, **options, &block)152        types.each { |type| options[type] = true }153        @locator_filter = Capybara::Selector::Filters::LocatorFilter.new(block, **options) if block154        @locator_filter155      end156      def filter_set(name, filters_to_use = nil)157        @filter_set.import(name, filters_to_use)158      end159      def_delegator :@filter_set, :describe160      def describe_expression_filters(&block)161        if block_given?162          describe(:expression_filters, &block)163        else164          describe(:expression_filters) do |**options|165            describe_all_expression_filters(**options)166          end167        end168      end169      def describe_all_expression_filters(**opts)170        expression_filters.map do |ef_name, ef|171          if ef.matcher?172            handled_custom_keys(ef, opts.keys).map { |key| " with #{ef_name}[#{key} => #{opts[key]}]" }.join173          elsif opts.key?(ef_name)174            " with #{ef_name} #{opts[ef_name]}"175          end176        end.join177      end178      def describe_node_filters(&block)179        describe(:node_filters, &block)180      end181      ##182      #183      # Set the default visibility mode that shouble be used if no visibile option is passed when using the selector.184      # If not specified will default to the behavior indicated by Capybara.ignore_hidden_elements185      #186      # @param [Symbol] default_visibility  Only find elements with the specified visibility:187      #                                              * :all - finds visible and invisible elements.188      #                                              * :hidden - only finds invisible elements.189      #                                              * :visible - only finds visible elements.190      def visible(default_visibility = nil, &block)191        @default_visibility = block || default_visibility192      end193      def default_visibility(fallback = Capybara.ignore_hidden_elements, options = {})194        vis = if @default_visibility&.respond_to?(:call)195          @default_visibility.call(options)196        else197          @default_visibility198        end199        vis.nil? ? fallback : vis200      end201      # @api private202      def raw_locator?203        !!@raw_locator204      end205      # @api private206      def supports_exact?207        @supports_exact208      end209      def default_format210        return nil if @expressions.keys.empty?211        if @expressions.size == 1212          @expressions.keys.first213        else214          :xpath215        end216      end217      # @api private218      def locator_types219        return nil unless @locator_type220        Array(@locator_type)221      end222    private223      def handled_custom_keys(filter, keys)224        keys.select do |key|225          filter.handles_option?(key) && !::Capybara::Queries::SelectorQuery::VALID_KEYS.include?(key)226        end227      end228      def parameter_names(block)229        block.parameters.select { |(type, _name)| %i[key keyreq].include? type }.map { |(_type, name)| name }230      end231      def expression(type, allowed_filters, &block)232        if block233          @expressions[type] = block234          allowed_filters = parameter_names(block) if allowed_filters.empty?235          allowed_filters.flatten.each do |ef|236            expression_filters[ef] = Capybara::Selector::Filters::IdentityExpressionFilter.new(ef)237          end238        end239        @expressions[type]240      end241    end242  end243end...

expression_filters

Using AI Code Generation

1      def initialize(expression)2      def filter(nodes)3          node.evaluate_script(@expression)4    def expression_filters(expression)5      [ExpressionFilter.new(expression)]6puts page.has_xpath?('//body', expression_filters('true'))7      def expression_filters(expression)8        [Capybara::Queries::ExpressionFilter.new(expression)]9puts page.has_xpath?('//body', expression_filters('true'))10    def expression_filters(expression)11      [Capybara::Queries::ExpressionFilter.new(expression)]12puts page.has_xpath?('//body', expression_filters('true'))

expression_filters

Using AI Code Generation

1page.should have_selector(:xpath, "//a", :text => "Gmail")2page.should have_selector(:xpath, "//a", :text => "Gmail")3page.should have_selector(:xpath, "//a", :text => "Gmail")4page.should have_selector(:xpath, "//a", :text => "Gmail")5page.should have_selector(:xpath, "//a", :text => "Gmail")6page.should have_selector(:xpath, "//a", :text => "Gmail")7page.should have_selector(:xpath, "//a", :text => "Gmail")8page.should have_selector(:xpath, "//a", :text => "Gmail")9page.should have_selector(:xpath, "//a", :text => "Gmail")

expression_filters

Using AI Code Generation

1visit('/')2puts find_link(expression_filters(/This is a \w+/)).text3visit('/')4puts find_link(expression_filters(/This is a \w+/)).text

expression_filters

Using AI Code Generation

1  def self.add_filter_for_expression(expression, filter)2      def self.add_filter_for_expression(expression, filter)3      def self.add_filter_for_expression(expression, filter)

expression_filters

Using AI Code Generation

1page.should have_selector(:xpath, "//a", :text => "Gmail")2page.should have_selector(:xpath, "//a", :text => "Gmail")3page.should have_selector(:xpath, "//a", :text => "Gmail")4page.should have_selector(:xpath, "//a", :text => "Gmail")5page.should have_selector(:xpath, "//a", :text => "Gmail")6page.should have_selector(:xpath, "//a", :text => "Gmail")7page.should have_selector(:xpath, "//a", :text => "Gmail")8page.should have_selector(:xpath, "//a", :text => "Gmail")9page.should have_selector(:xpath, "//a", :text => "Gmail")

expression_filters

Using AI Code Generation

1visit('/')2puts find_link(expression_filters(/This is a \w+/)).text3visit('/')4puts find_link(expression_filters(/This is a \w+/)).text

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