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How to use initialize method of Middleware Package

Best Vcr_ruby code snippet using Middleware.initialize

application.rb

Source:application.rb

...9  #10  # == Initialization11  #12  # Rails::Application is responsible for executing all railties, engines and plugin13  # initializers. Besides, it also executed some bootstrap initializers (check14  # Rails::Application::Bootstrap) and finishing initializers, after all the others15  # are executed (check Rails::Application::Finisher).16  #17  # == Configuration18  #19  # Besides providing the same configuration as Rails::Engine and Rails::Railtie,20  # the application object has several specific configurations, for example21  # "allow_concurrency", "cache_classes", "consider_all_requests_local", "filter_parameters",22  # "logger", "reload_plugins" and so forth.23  #24  # Check Rails::Application::Configuration to see them all.25  #26  # == Routes27  #28  # The application object is also responsible for holding the routes and reloading routes29  # whenever the files change in development.30  #31  # == Middlewares32  #33  # The Application is also responsible for building the middleware stack.34  #35  class Application < Engine36    autoload :Bootstrap,      'rails/application/bootstrap'37    autoload :Configurable,   'rails/application/configurable'38    autoload :Configuration,  'rails/application/configuration'39    autoload :Finisher,       'rails/application/finisher'40    autoload :Railties,       'rails/application/railties'41    class << self42      private :new43      def configure(&block)44        class_eval(&block)45      end46      def instance47        if self == Rails::Application48          if Rails.application49            ActiveSupport::Deprecation.warn "Calling a method in Rails::Application is deprecated, " <<50              "please call it directly in your application constant #{Rails.application.class.name}.", caller51          end52          Rails.application53        else54          @@instance ||= new55        end56      end57      def inherited(base)58        raise "You cannot have more than one Rails::Application" if Rails.application59        super60        Rails.application = base.instance61        Rails.application.add_lib_to_load_path!62        ActiveSupport.run_load_hooks(:before_configuration, base.instance)63      end64      def respond_to?(*args)65        super || instance.respond_to?(*args)66      end67    protected68      def method_missing(*args, &block)69        instance.send(*args, &block)70      end71    end72    delegate :middleware, :to => :config73    # This method is called just after an application inherits from Rails::Application,74    # allowing the developer to load classes in lib and use them during application75    # configuration.76    #77    #   class MyApplication < Rails::Application78    #     require "my_backend" # in lib/my_backend79    #     config.i18n.backend = MyBackend80    #   end81    #82    # Notice this method takes into consideration the default root path. So if you83    # are changing config.root inside your application definition or having a custom84    # Rails application, you will need to add lib to $LOAD_PATH on your own in case85    # you need to load files in lib/ during the application configuration as well.86    def add_lib_to_load_path! #:nodoc:87      path = config.root.join('lib').to_s88      $LOAD_PATH.unshift(path) if File.exists?(path)89    end90    def require_environment! #:nodoc:91      environment = paths.config.environment.to_a.first92      require environment if environment93    end94    def eager_load! #:nodoc:95      railties.all(&:eager_load!)96      super97    end98    def routes99      @routes ||= ActionDispatch::Routing::RouteSet.new100    end101    def railties102      @railties ||= Railties.new(config)103    end104    def routes_reloader105      @routes_reloader ||= ActiveSupport::FileUpdateChecker.new([]){ reload_routes! }106    end107    def reload_routes!108      _routes = self.routes109      _routes.disable_clear_and_finalize = true110      _routes.clear!111      routes_reloader.paths.each { |path| load(path) }112      ActiveSupport.on_load(:action_controller) { _routes.finalize! }113    ensure114      _routes.disable_clear_and_finalize = false115    end116    def initialize!117      run_initializers(self)118      self119    end120    def load_tasks121      initialize_tasks122      railties.all { |r| r.load_tasks }123      super124      self125    end126    def load_generators127      initialize_generators128      railties.all { |r| r.load_generators }129      super130      self131    end132    def load_console(sandbox=false)133      initialize_console(sandbox)134      railties.all { |r| r.load_console }135      super()136      self137    end138    def app139      @app ||= begin140        config.middleware = config.middleware.merge_into(default_middleware_stack)141        config.middleware.build(routes)142      end143    end144    alias :build_middleware_stack :app145    def call(env)146      app.call(env.reverse_merge!(env_defaults))147    end148    def env_defaults149      @env_defaults ||= {150        "action_dispatch.parameter_filter" => config.filter_parameters,151        "action_dispatch.secret_token" => config.secret_token,152        "action_dispatch.show_exceptions" => config.action_dispatch.show_exceptions153      }154    end155    def initializers156      initializers = Bootstrap.initializers_for(self)157      railties.all { |r| initializers += r.initializers }158      initializers += super159      initializers += Finisher.initializers_for(self)160      initializers161    end162  protected163    def default_middleware_stack164      ActionDispatch::MiddlewareStack.new.tap do |middleware|165        middleware.use ::ActionDispatch::Static, paths.public.to_a.first if config.serve_static_assets166        middleware.use ::Rack::Lock if !config.allow_concurrency167        middleware.use ::Rack::Runtime168        middleware.use ::Rails::Rack::Logger169        middleware.use ::ActionDispatch::ShowExceptions, config.consider_all_requests_local170        middleware.use ::ActionDispatch::RemoteIp, config.action_dispatch.ip_spoofing_check, config.action_dispatch.trusted_proxies171        middleware.use ::Rack::Sendfile, config.action_dispatch.x_sendfile_header172        middleware.use ::ActionDispatch::Callbacks, !config.cache_classes173        middleware.use ::ActionDispatch::Cookies174        if config.session_store175          middleware.use config.session_store, config.session_options176          middleware.use ::ActionDispatch::Flash177        end178        middleware.use ::ActionDispatch::ParamsParser179        middleware.use ::Rack::MethodOverride180        middleware.use ::ActionDispatch::Head181        middleware.use ::ActionDispatch::BestStandardsSupport, config.action_dispatch.best_standards_support if config.action_dispatch.best_standards_support182      end183    end184    def initialize_tasks185      extend Rake::DSL if defined? Rake::DSL186      require "rails/tasks"187      task :environment do188        $rails_rake_task = true189        require_environment!190      end191    end192    def initialize_generators193      require "rails/generators"194    end195    def initialize_console(sandbox=false)196      require "rails/console/app"197      require "rails/console/sandbox" if sandbox198      require "rails/console/helpers"199    end200  end201end...

middleware_proxy_test.rb

Source:middleware_proxy_test.rb

...12    wrapped_instance  = generator.new13    assert_kind_of(NewRelic::Agent::Instrumentation::MiddlewareProxy, wrapped_instance)14    assert_kind_of(middleware_class, wrapped_instance.target)15  end16  def test_generator_passes_through_initialize_args17    middleware_class = Class.new do18      attr_reader :initialize_args19      def initialize(*args)20        @initialize_args = args21      end22    end23    generator = NewRelic::Agent::Instrumentation::MiddlewareProxy.for_class(middleware_class)24    wrapped_instance = generator.new('abc', 123)25    assert_equal(['abc', 123], wrapped_instance.target.initialize_args)26  end27  def test_generator_passes_through_block_to_initialize28    middleware_class = Class.new do29      attr_reader :initialize_args30      def initialize(*args, &blk)31        @initialize_args = args32        blk.call33      end34    end35    generator = NewRelic::Agent::Instrumentation::MiddlewareProxy.for_class(middleware_class)36    block_called = false37    wrapped_instance = generator.new('abc', 123) do38      block_called = true39    end40    assert block_called41    assert_equal(['abc', 123], wrapped_instance.target.initialize_args)42  end43  def test_anonymous_class_naming44    middleware_class = Class.new45    wrapped_instance = NewRelic::Agent::Instrumentation::MiddlewareProxy.wrap(middleware_class.new)46    name = wrapped_instance.transaction_options[:transaction_name]47    assert_equal("Middleware/Rack/AnonymousClass/call", name)48  end49  class BaseForAnonymous50  end51  def test_anonymous_derived_class_naming52    middleware_class = Class.new(BaseForAnonymous)53    wrapped_instance = NewRelic::Agent::Instrumentation::MiddlewareProxy.wrap(middleware_class.new)54    name = wrapped_instance.transaction_options[:transaction_name]55    assert_equal("Middleware/Rack/#{BaseForAnonymous.name}/call", name)...

initialize

Using AI Code Generation

1 def initialize(app)2 def call(env)3 @app.call(env)4You can also use the middleware to handle the XSS (Cross

initialize

Using AI Code Generation

1  def initialize(app)2  def initialize(app)3  def initialize(app)4  def initialize(app)5  def initialize(app)6  def initialize(app)7  def initialize(app)8  def initialize(app)9  def initialize(app)10  def initialize(app)11  def initialize(app)

initialize

Using AI Code Generation

1  def call(env)2    [200, {}, ["Hello world"]]3  def initialize(app)4  def call(env)5    @app.call(env)6  def call(env)7    [200, {}, ["Hello world"]]

initialize

Using AI Code Generation

1app.call('hello')2  def call(env)3app.call('hello')4  def call(env)5app.call('hello')6  def call(env)7app.call('hello')8  def call(env)9app.call('hello')10  def call(env)11app.call('hello')12  def call(env)13app.call('hello')

initialize

Using AI Code Generation

1  def initialize(app, name)2  def call(env)3    @app.call(env)4  def call(env)5    [200, {"Content-Type" => "text/html"}, ["Middleware test"]]6  def initialize(app, name)7  def call(env)8    @app.call(env)9  def call(env)10    [200, {"Content-Type" => "text/html"}, ["Middleware test"]]11  def initialize(app, name)12  def call(env)13    @app.call(env)14  def call(env)15    [200, {"Content-Type" => "text/html"}, ["Middleware test"]]

initialize

Using AI Code Generation

1  def initialize(klass)2    super(Foo)3    super(Bar)4  def initialize(klass)5    super(Foo)6    super(Bar)7  def initialize(klass)8    super(Foo)9    super(Bar)10  def initialize(klass)11    super(Foo)12    super(Bar)13  def initialize(klass)14    super(Foo)15    super(Bar)

initialize

Using AI Code Generation

1  def initialize(app)2  def call(env)3    @app.call(env)4  def call(env)5    @app.call(env)6  def call(env)7mw2 = Middleware2.new(app)8mw1 = Middleware1.new(mw2)9mw1.call(nil)10  def initialize(app)11  def call(env)12    @app.call(env)13  def initialize(app)14  def call(env)15    @app.call(env)16  def call(env)

initialize

Using AI Code Generation

1  def initialize(app)2  def call(env)3    @app.call(env)4  def initialize(app)5  def call(env)6    @app.call(env)7  def initialize(app)8  def call(env)9    @app.call(env)10  def initialize(app)11  def call(env)12    @app.call(env)13  def initialize(app)14  def call(env)15    @app.call(env)16  def initialize(app)17  def call(env)18    @app.call(env)19  def call(env)20app.call('hello')21  def call(env)22app.call('hello')23  def call(env)24app.call('hello')

initialize

Using AI Code Generation

1  def initialize(klass)2    super(Foo)3    super(Bar)4  def initialize(klass)5    super(Foo)6    super(Bar)7  def initialize(klass)8    super(Foo)9    super(Bar)10  def initialize(klass)11    super(Foo)12    super(Bar)13  def initialize(klass)14    super(Foo)15    super(Bar)

initialize

Using AI Code Generation

1  def initialize(app)2  def call(env)3    @app.call(env)4  def call(env)5    @app.call(env)6  def call(env)7mw2 = Middleware2.new(app)8mw1 = Middleware1.new(mw2)9mw1.call(nil)10  def initialize(app)11  def call(env)12    @app.call(env)13  def initialize(app)14  def call(env)15    @app.call(env)16  def call(env)

initialize

Using AI Code Generation

1  def initialize(app)2  def call(env)3    @app.call(env)4  def initialize(app)5  def call(env)6    @app.call(env)7  def initialize(app)8  def call(env)9    @app.call(env)10  def initialize(app)11  def call(env)12    @app.call(env)13  def initialize(app)14  def call(env)15    @app.call(env)16  def initialize(app)17  def call(env)18    @app.call(env)

initialize

Using AI Code Generation

1 def initialize(app)2 def call(env)3 @app.call(env)4You can also use the middleware to handle the XSS (Cross

initialize

Using AI Code Generation

1  def initialize(klass)2    super(Foo)3    super(Bar)4  def initialize(klass)5    super(Foo)6    super(Bar)7  def initialize(klass)8    super(Foo)9    super(Bar)10  def initialize(klass)11    super(Foo)12    super(Bar)13  def initialize(klass)14    super(Foo)15    super(Bar)

initialize

Using AI Code Generation

1  def initialize(app)2  def call(env)3    @app.call(env)4  def initialize(app)5  def call(env)6    @app.call(env)7  def initialize(app)8  def call(env)9    @app.call(env)10  def initialize(app)11  def call(env)12    @app.call(env)13  def initialize(app)14  def call(env)15    @app.call(env)16  def initialize(app)17  def call(env)18    @app.call(env)

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