Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use change method of KnockOutput Package

Best Bacon_ruby code snippet using KnockOutput.change

spec.rb

Source:spec.rb

...298          end299        end300      end301    end302    def postpone_block_until_change(object_to_observe, key_path, timeout = 1, &block)303      # If an exception occurred, we definitely don't need to schedule any more blocks304      unless @exception_occurred305        if @postponed_block306          raise "Only one indefinite `wait' block at the same time is allowed!"307        else308          @postponed_blocks_count += 1309          @postponed_block = block310          @observed_object_and_key_path = [object_to_observe, key_path]311          object_to_observe.addObserver(self, forKeyPath:key_path, options:0, context:nil)312          unless Platform.android?313            performSelector("postponed_change_block_timeout_exceeded", withObject:nil, afterDelay:timeout)314          else315            sleep timeout316            postponed_change_block_timeout_exceeded317          end318        end319      end320    end321    def observeValueForKeyPath(key_path, ofObject:object, change:_, context:__)322      resume323    end324    def postponed_change_block_timeout_exceeded325      remove_observer!326      postponed_block_timeout_exceeded327    end328    def remove_observer!329      if @observed_object_and_key_path330        object, key_path = @observed_object_and_key_path331        object.removeObserver(self, forKeyPath:key_path)332        @observed_object_and_key_path = nil333      end334    end335    def postponed_block_timeout_exceeded336      cancel_scheduled_requests!337      execute_block { raise Error.new(:failed, "timeout exceeded: #{@context.name} - #{@description}") }338      @postponed_blocks_count = 0339      finish_spec340    end341    def resume342      unless Platform.android?343        NSObject.cancelPreviousPerformRequestsWithTarget(self, selector:'postponed_block_timeout_exceeded', object:nil)344        NSObject.cancelPreviousPerformRequestsWithTarget(self, selector:'postponed_change_block_timeout_exceeded', object:nil)345      end346      remove_observer!347      block = @postponed_block348      @postponed_block = nil349      run_postponed_block(block)350    end351    def run_postponed_block(block)352      # If an exception occurred, we definitely don't need execute any more blocks353      execute_block(&block) unless @exception_occurred354      @postponed_blocks_count -= 1355      unless postponed?356        if @ran_after_filters357          exit_spec358        elsif @ran_spec_block359          finish_spec360        else361          run_spec_block362        end363      end364    end365    def finish_spec366      if !@exception_occurred && Counter[:requirements] == @number_of_requirements_before367        # the specification did not contain any requirements, so it flunked368        execute_block { raise Error.new(:missing, "empty specification: #{@context.name} #{@description}") }369      end370      run_after_filters371      exit_spec unless postponed?372    end373    def cancel_scheduled_requests!374      unless Platform.android?375        NSObject.cancelPreviousPerformRequestsWithTarget(@context)376        NSObject.cancelPreviousPerformRequestsWithTarget(self)377      end378    end379    def exit_spec380      cancel_scheduled_requests!381      Counter[:depth] -= 1382      Bacon.handle_requirement_end(@error)383      @context.specification_did_finish(self)384    end385    def execute_block386      begin387        yield388      rescue Object => e389        @exception_occurred = true390        if e.is_a?(Exception)391          ErrorLog << "#{e.class}: #{e.message}\n"392          lines = $DEBUG ? e.backtrace : e.backtrace.find_all { |line| line !~ /bin\/macbacon|\/mac_bacon\.rb:\d+/ }393          lines.each_with_index { |line, i|394            ErrorLog << "\t#{line}#{i==0 ? ": #{@context.name} - #{@description}" : ""}\n"395          }396          ErrorLog << "\n"397        else398          unless Platform.android?399            # Pure NSException.400            ErrorLog << "#{e.name}: #{e.reason}\n"401          else402            # Pure Java exception.403            ErrorLog << "#{e.class.toString} : #{e.getMessage}"404          end405        end406        @error = if e.is_a? Error407          Counter[e.count_as] += 1408          "#{e.count_as.to_s.upcase} - #{e}"409        else410          Counter[:errors] += 1411          "ERROR: #{e.class} - #{e}"412        end413      end414    end415  end416  class Platform417    def self.android?418      defined?(NSObject) ? false : true419    end420  end421  def self.add_context(context)422    (@contexts ||= []) << context423  end424  def self.current_context_index425    @current_context_index ||= 0426  end427  def self.current_context428    @contexts[current_context_index]429  end430  def self.run(arg=nil)431    unless respond_to?(:handle_specification_begin)432      extend(Outputs[ENV['output']] || SpecDoxOutput)433    end434    @timer ||= Time.now435    unless Platform.android?436      Counter[:context_depth] += 1437      handle_specification_begin(current_context.name)438      current_context.performSelector("run", withObject:nil, afterDelay:0)439    else440      @main_activity ||= arg441      @contexts.each do |context|442        Counter[:context_depth] += 1443        handle_specification_begin(context.name)444        context.run445        handle_specification_end446        Counter[:context_depth] -= 1447      end448      handle_summary449    end450  end451  # Android-only.452  def self.main_activity453    @main_activity454  end455  def self.context_did_finish(context)456    unless Platform.android?457      handle_specification_end458      Counter[:context_depth] -= 1459      if (@current_context_index + 1) < @contexts.size460        @current_context_index += 1461        run462      else463        # DONE464        handle_summary465        unless Platform.android?466          exit(Counter.values_at(:failed, :errors).inject(:+))467        else468          # In Android there is no need to exit as we terminate the activity right after Bacon.469        end470      end471    end472  end473  class Context474    attr_reader :name, :block475    def initialize(name, before = nil, after = nil, &block)476      @name = name477      @before = (before ? before.dup : [])478      @after = (after ? after.dup : [])479      @block = block480      @specifications = []481      @current_specification_index = 0482      Bacon.add_context(self)483      instance_eval(&block)484    end485    def run486      # TODO487      #return  unless name =~ RestrictContext488      unless Platform.android?489        if spec = current_specification490          spec.performSelector("run", withObject:nil, afterDelay:0)491        else492          Bacon.context_did_finish(self)493        end494      else495        @specifications.each do |spec|496          spec.run497        end498        Bacon.context_did_finish(self)499      end500    end501    def current_specification502      @specifications[@current_specification_index]503    end504    def specification_did_finish(spec)505      unless Platform.android?506        if (@current_specification_index + 1) < @specifications.size507          @current_specification_index += 1508          run509        else510          Bacon.context_did_finish(self)511        end512      end513    end514    def before(&block); @before << block; end515    def after(&block);  @after << block; end516    def behaves_like(*names)517      names.each { |name| instance_eval(&Shared[name]) }518    end519    def it(description, &block)520      return unless description =~ RestrictName521      block ||= proc { should.flunk "not implemented" }522      Counter[:specifications] += 1523      @specifications << Specification.new(self, description, block, @before, @after)524    end525    def should(*args, &block)526      if Counter[:depth]==0527        it('should '+args.first, &block)528      else529        super(*args, &block)530      end531    end532    def describe(*args, &block)533      context = Bacon::Context.new(args.join(' '), @before, @after, &block)534      # FIXME: fix RM-879 and RM-806535      unless Platform.android?536        (parent_context = self).methods(false).each { |e|537          class<<context; self end.send(:define_method, e) { |*args| parent_context.send(e, *args) }538        }539      end540      context541    end542    def wait(seconds = nil, &block)543      if seconds544        current_specification.schedule_block(seconds, &block)545      else546        current_specification.postpone_block(&block)547      end548    end549    def wait_max(timeout, &block)550      current_specification.postpone_block(timeout, &block)551    end552    def wait_for_change(object_to_observe, key_path, timeout = 1, &block)553      current_specification.postpone_block_until_change(object_to_observe, key_path, timeout, &block)554    end555    def resume556      current_specification.resume557    end558    def raise?(*args, &block); block.raise?(*args); end559    def throw?(*args, &block); block.throw?(*args); end560    def change?(*args, &block); block.change?(*args); end561    alias_method :context, :describe562    # Android-only.563    def main_activity; Bacon.main_activity; end564  end565end566class Object567  def true?; false; end568  def false?; false; end569end570class TrueClass571  def true?; true; end572end573class FalseClass574  def false?; true; end575end576class Proc577  def raise?(*exceptions)578    call579  rescue *(exceptions.empty? ? RuntimeError : exceptions) => e580    e581  else582    false583  end584  def throw?(sym)585    catch(sym) {586      call587      return false588    }589    true590  end591  def change?592    pre_result = yield593    call594    post_result = yield595    pre_result != post_result596  end597end598class Numeric599  def close?(to, delta)600    (to.to_f - self).abs <= delta.to_f rescue false601  end602end603class Object604  def should(*args, &block) Should.new(self).be(*args, &block) end605end...

bacon.rb

Source:bacon.rb

...190      context.run191    end192    def raise?(*args, &block); block.raise?(*args); end193    def throw?(*args, &block); block.throw?(*args); end194    def change?(*args, &block); block.change?(*args); end195  end196end197class Object198  def true?; false; end199  def false?; false; end200end201class TrueClass202  def true?; true; end203end204class FalseClass205  def false?; true; end206end207class Proc208  def raise?(*exceptions)209    exceptions = [RuntimeError]  if exceptions.empty?210    call211  # Only to work in 1.9.0, rescue with splat doesn't work there right now212  rescue Object => e213    case e214    when *exceptions215      e216    else217      raise e218    end219  else220    false221  end222  def throw?(sym)223    catch(sym) {224      call225      return false226    }227    return true228  end229  def change?230    pre_result = yield231    called = call232    post_result = yield233    pre_result != post_result234  end235end236class Numeric237  def close?(to, delta)238    (to.to_f - self).abs <= delta.to_f  rescue false239  end240end241class Object242  def should(*args, &block)    Should.new(self).be(*args, &block)             end243end...

change

Using AI Code Generation

1knock_output.change('knock knock')2knock_output.change('who\'s there')3knock_output.change('interrupting cow')4knock_output.change('interrupting cow wh')5knock_output.change('interrupting cow wh'

change

Using AI Code Generation

1knock_output.change(knock_input)2 def change(knock_input)3knock_input.change(knock_output)4 def change(knock_output)

change

Using AI Code Generation

1k.change("Goodbye")2 def change(new_output)3k.change("Goodbye")4 def change(new_output)

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.