KaneAI - World’s First E2E Software Testing Agent.Book a Demo Join TestMu Conference

How to use lazy_select_elements method of Capybara Package

Best Capybara code snippet using Capybara.lazy_select_elements

result.rb

...25    def initialize(elements, query)26      @elements = elements27      @result_cache = []28      @filter_errors = []29      @results_enum = lazy_select_elements { |node| query.matches_filters?(node, @filter_errors) }30      @query = query31      @allow_reload = false32    end33    def_delegators :full_results, :size, :length, :last, :values_at, :inspect, :sample34    alias index find_index35    def each(&block)36      return enum_for(:each) unless block37      @result_cache.each(&block)38      loop do39        next_result = @results_enum.next40        add_to_cache(next_result)41        yield next_result42      end43      self44    end45    def [](*args)46      idx, length = args47      max_idx = case idx48      when Integer49        if idx.negative?50          nil51        else52          length.nil? ? idx : idx + length - 153        end54      when Range55        # idx.max is broken with beginless ranges56        # idx.end && idx.max # endless range will have end == nil57        max = idx.end58        max = nil if max&.negative?59        max -= 1 if max && idx.exclude_end?60        max61      end62      if max_idx.nil?63        full_results[*args]64      else65        load_up_to(max_idx + 1)66        @result_cache[*args]67      end68    end69    alias :at :[]70    def empty?71      !any?72    end73    def compare_count74      return 0 unless @query75      count, min, max, between = @query.options.values_at(:count, :minimum, :maximum, :between)76      # Only check filters for as many elements as necessary to determine result77      if count && (count = Integer(count))78        return load_up_to(count + 1) <=> count79      end80      return -1 if min && (min = Integer(min)) && (load_up_to(min) < min)81      return 1 if max && (max = Integer(max)) && (load_up_to(max + 1) > max)82      if between83        min, max = (between.begin && between.min) || 1, between.end84        max -= 1 if max && between.exclude_end?85        size = load_up_to(max ? max + 1 : min)86        return size <=> min unless between.include?(size)87      end88      089    end90    def matches_count?91      compare_count.zero?92    end93    def failure_message94      message = @query.failure_message95      if count.zero?96        message << ' but there were no matches'97      else98        message << ", found #{count} #{Capybara::Helpers.declension('match', 'matches', count)}: " \99                << full_results.map(&:text).map(&:inspect).join(', ')100      end101      unless rest.empty?102        elements = rest.map { |el| el.text rescue '<<ERROR>>' }.map(&:inspect).join(', ') # rubocop:disable Style/RescueModifier103        message << '. Also found ' << elements << ', which matched the selector but not all filters. '104        message << @filter_errors.join('. ') if (rest.size == 1) && count.zero?105      end106      message107    end108    def negative_failure_message109      failure_message.sub(/(to find)/, 'not \1')110    end111    def unfiltered_size112      @elements.length113    end114    ##115    # @api private116    #117    def allow_reload!118      @allow_reload = true119      self120    end121  private122    def add_to_cache(elem)123      elem.allow_reload!(@result_cache.size) if @allow_reload124      @result_cache << elem125    end126    def load_up_to(num)127      loop do128        break if @result_cache.size >= num129        add_to_cache(@results_enum.next)130      end131      @result_cache.size132    end133    def full_results134      loop { @result_cache << @results_enum.next }135      @result_cache136    end137    def rest138      @rest ||= @elements - full_results139    end140    if RUBY_PLATFORM == 'java'141      # JRuby < 9.2.8.0 has an issue with lazy enumerators which142      # causes a concurrency issue with network requests here143      # https://github.com/jruby/jruby/issues/4212144      # while JRuby >= 9.2.8.0 leaks threads when using lazy enumerators145      # https://github.com/teamcapybara/capybara/issues/2349146      # so disable the use and JRuby users will need to pay a performance penalty147      def lazy_select_elements(&block)148        @elements.select(&block).to_enum # non-lazy evaluation149      end150    else151      def lazy_select_elements(&block)152        @elements.lazy.select(&block)153      end154    end155  end156end...

lazy_select_elements

Using AI Code Generation

1  def self.lazy_select_elements(locator)2    Capybara.current_session.all(locator)3  def search_for(search_term)4    visit('/')5    fill_in('q', with: search_term)6    click_button('Google Search')7search.search_for('Capybara')8puts Capybara.lazy_select_elements('h3').length9    def lazy_select_elements(locator)10      Capybara.current_session.all(locator)11  def search_for(search_term)12    visit('/')13    fill_in('q', with: search_term)14    click_button('Google Search')15search.search_for('Capybara')16puts lazy_select_elements('h3').length17    def lazy_select_elements(locator)18      all(locator)19  def search_for(search_term)20    visit('/')21    fill_in('q', with: search_term)22    click_button('Google Search')23search.search_for('Capybara')24puts lazy_select_elements('h3').length

lazy_select_elements

Using AI Code Generation

1  Capybara::Poltergeist::Driver.new(app, js_errors: false, :debug => false, :timeout => 3600)2  def lazy_select_elements(locator, options = {})3    find(locator, options)4  def lazy_select_elements(locator, options = {})5    find(locator, options)

lazy_select_elements

Using AI Code Generation

1  def lazy_select_elements(*args)2    find(:css, *args)3visit('/')4lazy_select_elements("input[name='q']").set("Capybara")5  def lazy_select_elements(*args)6    find(:css, *args)7visit('/')8lazy_select_elements("input[name='q']").set("Capybara")9C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/capybara-2.4.4/lib/capybara/session.rb:268:in `rescue in block in <class:Session>': Unable to find css "input[name='q']" (Capybara::ElementNotFound)

lazy_select_elements

Using AI Code Generation

1  def lazy_select_elements(locator)2    node = @browser.find_elements(locator)3Capybara.visit('http://www.google.com')4elements = Capybara.lazy_select_elements(:xpath => '//input')

lazy_select_elements

Using AI Code Generation

1  Capybara::Poltergeist::Driver.new(app, js_errors: false, :debug => false, :timeout => 3600)2  def lazy_select_elements(locator, options = {})3    find(locator, options)4  def lazy_select_elements(locator, options = {})5    find(locator, options)

lazy_select_elements

Using AI Code Generation

1  def lazy_select_elements(*args)2    find(:css, *args)3visit('/')4lazy_select_elements("input[name='q']").set("Capybara")5  def lazy_select_elements(*args)6    find(:css, *args)7visit('/')8lazy_select_elements("input[name='q']").set("Capybara")9C:/Ruby22-x64/lib/ruby/gems/2.2.0/gems/capybara-2.4.4/lib/capybara/session.rb:268:in `rescue in block in <class:Session>': Unable to find css "input[name='q']" (Capybara::ElementNotFound)

lazy_select_elements

Using AI Code Generation

1  Capybara::Poltergeist::Driver.new(app, js_errors: false)2config = YAML.load_file('config.yml')3Capybara::Session.new(:poltergeist).tap do |session|4  links = session.lazy_select_elements('a')

Blogs

Check out the latest blogs from LambdaTest on this topic:

How To Identify Locators In Appium [With Examples]

Nowadays, automation is becoming integral to the overall quality of the products being developed. Especially for mobile applications, it’s even more important to implement automation robustly.

What exactly do Scrum Masters perform throughout the course of a typical day

Many theoretical descriptions explain the role of the Scrum Master as a vital member of the Scrum team. However, these descriptions do not provide an honest answer to the fundamental question: “What are the day-to-day activities of a Scrum Master?”

August ’21 Updates: Live With iOS 14.5, Latest Browsers, New Certifications, & More!

Hey Folks! Welcome back to the latest edition of LambdaTest’s product updates. Since programmer’s day is just around the corner, our incredible team of developers came up with several new features and enhancements to add some zing to your workflow. We at LambdaTest are continuously upgrading the features on our platform to make lives easy for the QA community. We are releasing new functionality almost every week.

11 Best Mobile Automation Testing Tools In 2022

Mobile application development is on the rise like never before, and it proportionally invites the need to perform thorough testing with the right mobile testing strategies. The strategies majorly involve the usage of various mobile automation testing tools. Mobile testing tools help businesses automate their application testing and cut down the extra cost, time, and chances of human error.

New Year Resolutions Of Every Website Tester In 2020

Were you able to work upon your resolutions for 2019? I may sound comical here but my 2019 resolution being a web developer was to take a leap into web testing in my free time. Why? So I could understand the release cycles from a tester’s perspective. I wanted to wear their shoes and see the SDLC from their eyes. I also thought that it would help me groom myself better as an all-round IT professional.

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.