How to use expression_filters method of Capybara.Queries Package

Best Capybara code snippet using Capybara.Queries.expression_filters

definition.rb

Source:definition.rb Github

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...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...

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expression_filters

Using AI Code Generation

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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'))

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expression_filters

Using AI Code Generation

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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")

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expression_filters

Using AI Code Generation

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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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expression_filters

Using AI Code Generation

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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)

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expression_filters

Using AI Code Generation

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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")

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expression_filters

Using AI Code Generation

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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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