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)

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