Best Test-prof_ruby code snippet using ActiveSupport.start
notifications.rb
Source:notifications.rb
...27 #28 # You can consume those events and the information they provide by registering29 # a subscriber.30 #31 # ActiveSupport::Notifications.subscribe('render') do |name, start, finish, id, payload|32 # name # => String, name of the event (such as 'render' from above)33 # start # => Time, when the instrumented block started execution34 # finish # => Time, when the instrumented block ended execution35 # id # => String, unique ID for the instrumenter that fired the event36 # payload # => Hash, the payload37 # end38 #39 # Here, the +start+ and +finish+ values represent wall-clock time. If you are40 # concerned about accuracy, you can register a monotonic subscriber.41 #42 # ActiveSupport::Notifications.monotonic_subscribe('render') do |name, start, finish, id, payload|43 # name # => String, name of the event (such as 'render' from above)44 # start # => Monotonic time, when the instrumented block started execution45 # finish # => Monotonic time, when the instrumented block ended execution46 # id # => String, unique ID for the instrumenter that fired the event47 # payload # => Hash, the payload48 # end49 #50 # The +start+ and +finish+ values above represent monotonic time.51 #52 # For instance, let's store all "render" events in an array:53 #54 # events = []55 #56 # ActiveSupport::Notifications.subscribe('render') do |*args|57 # events << ActiveSupport::Notifications::Event.new(*args)58 # end59 #60 # That code returns right away, you are just subscribing to "render" events.61 # The block is saved and will be called whenever someone instruments "render":62 #63 # ActiveSupport::Notifications.instrument('render', extra: :information) do64 # render plain: 'Foo'65 # end66 #67 # event = events.first68 # event.name # => "render"69 # event.duration # => 10 (in milliseconds)70 # event.payload # => { extra: :information }71 #72 # The block in the <tt>subscribe</tt> call gets the name of the event, start73 # timestamp, end timestamp, a string with a unique identifier for that event's instrumenter74 # (something like "535801666f04d0298cd6"), and a hash with the payload, in75 # that order.76 #77 # If an exception happens during that particular instrumentation the payload will78 # have a key <tt>:exception</tt> with an array of two elements as value: a string with79 # the name of the exception class, and the exception message.80 # The <tt>:exception_object</tt> key of the payload will have the exception81 # itself as the value:82 #83 # event.payload[:exception] # => ["ArgumentError", "Invalid value"]84 # event.payload[:exception_object] # => #<ArgumentError: Invalid value>85 #86 # As the earlier example depicts, the class <tt>ActiveSupport::Notifications::Event</tt>87 # is able to take the arguments as they come and provide an object-oriented88 # interface to that data.89 #90 # It is also possible to pass an object which responds to <tt>call</tt> method91 # as the second parameter to the <tt>subscribe</tt> method instead of a block:92 #93 # module ActionController94 # class PageRequest95 # def call(name, started, finished, unique_id, payload)96 # Rails.logger.debug ['notification:', name, started, finished, unique_id, payload].join(' ')97 # end98 # end99 # end100 #101 # ActiveSupport::Notifications.subscribe('process_action.action_controller', ActionController::PageRequest.new)102 #103 # resulting in the following output within the logs including a hash with the payload:104 #105 # notification: process_action.action_controller 2012-04-13 01:08:35 +0300 2012-04-13 01:08:35 +0300 af358ed7fab884532ec7 {106 # controller: "Devise::SessionsController",107 # action: "new",108 # params: {"action"=>"new", "controller"=>"devise/sessions"},109 # format: :html,110 # method: "GET",111 # path: "/login/sign_in",112 # status: 200,113 # view_runtime: 279.3080806732178,114 # db_runtime: 40.053115 # }116 #117 # You can also subscribe to all events whose name matches a certain regexp:118 #119 # ActiveSupport::Notifications.subscribe(/render/) do |*args|120 # ...121 # end122 #123 # and even pass no argument to <tt>subscribe</tt>, in which case you are subscribing124 # to all events.125 #126 # == Temporary Subscriptions127 #128 # Sometimes you do not want to subscribe to an event for the entire life of129 # the application. There are two ways to unsubscribe.130 #131 # WARNING: The instrumentation framework is designed for long-running subscribers,132 # use this feature sparingly because it wipes some internal caches and that has133 # a negative impact on performance.134 #135 # === Subscribe While a Block Runs136 #137 # You can subscribe to some event temporarily while some block runs. For138 # example, in139 #140 # callback = lambda {|*args| ... }141 # ActiveSupport::Notifications.subscribed(callback, "sql.active_record") do142 # ...143 # end144 #145 # the callback will be called for all "sql.active_record" events instrumented146 # during the execution of the block. The callback is unsubscribed automatically147 # after that.148 #149 # To record +started+ and +finished+ values with monotonic time,150 # specify the optional <tt>:monotonic</tt> option to the151 # <tt>subscribed</tt> method. The <tt>:monotonic</tt> option is set152 # to +false+ by default.153 #154 # callback = lambda {|name, started, finished, unique_id, payload| ... }155 # ActiveSupport::Notifications.subscribed(callback, "sql.active_record", monotonic: true) do156 # ...157 # end158 #159 # === Manual Unsubscription160 #161 # The +subscribe+ method returns a subscriber object:162 #163 # subscriber = ActiveSupport::Notifications.subscribe("render") do |*args|164 # ...165 # end166 #167 # To prevent that block from being called anymore, just unsubscribe passing168 # that reference:169 #170 # ActiveSupport::Notifications.unsubscribe(subscriber)171 #172 # You can also unsubscribe by passing the name of the subscriber object. Note173 # that this will unsubscribe all subscriptions with the given name:174 #175 # ActiveSupport::Notifications.unsubscribe("render")176 #177 # Subscribers using a regexp or other pattern-matching object will remain subscribed178 # to all events that match their original pattern, unless those events match a string179 # passed to +unsubscribe+:180 #181 # subscriber = ActiveSupport::Notifications.subscribe(/render/) { }182 # ActiveSupport::Notifications.unsubscribe('render_template.action_view')183 # subscriber.matches?('render_template.action_view') # => false184 # subscriber.matches?('render_partial.action_view') # => true185 #186 # == Default Queue187 #188 # Notifications ships with a queue implementation that consumes and publishes events189 # to all log subscribers. You can use any queue implementation you want.190 #191 module Notifications192 class << self193 attr_accessor :notifier194 def publish(name, *args)195 notifier.publish(name, *args)196 end197 def instrument(name, payload = {})198 if notifier.listening?(name)199 instrumenter.instrument(name, payload) { yield payload if block_given? }200 else201 yield payload if block_given?202 end203 end204 # Subscribe to a given event name with the passed +block+.205 #206 # You can subscribe to events by passing a String to match exact event207 # names, or by passing a Regexp to match all events that match a pattern.208 #209 # ActiveSupport::Notifications.subscribe(/render/) do |*args|210 # @event = ActiveSupport::Notifications::Event.new(*args)211 # end212 #213 # The +block+ will receive five parameters with information about the event:214 #215 # ActiveSupport::Notifications.subscribe('render') do |name, start, finish, id, payload|216 # name # => String, name of the event (such as 'render' from above)217 # start # => Time, when the instrumented block started execution218 # finish # => Time, when the instrumented block ended execution219 # id # => String, unique ID for the instrumenter that fired the event220 # payload # => Hash, the payload221 # end222 #223 # If the block passed to the method only takes one parameter,224 # it will yield an event object to the block:225 #226 # ActiveSupport::Notifications.subscribe(/render/) do |event|227 # @event = event228 # end229 def subscribe(pattern = nil, callback = nil, &block)230 notifier.subscribe(pattern, callback, monotonic: false, &block)231 end...
start
Using AI Code Generation
1ActiveSupport::Notifications.subscribe(/sql/) do |*args|2 event = ActiveSupport::Notifications::Event.new(*args)3ActiveRecord::Base.establish_connection(4ActiveSupport::Notifications.instrument("sql.active_record", :name => "My Event") do5ActiveSupport::Notifications.subscribe(/sql/) do |*args|6 event = ActiveSupport::Notifications::Event.new(*args)7ActiveRecord::Base.establish_connection(8ActiveSupport::Notifications.instrument("sql.active_record", :name => "My Event") do
start
Using AI Code Generation
1ActiveSupport::Notifications.instrument("hello") do2ActiveSupport::Notifications.subscribe("hello") do |*args|3 event = ActiveSupport::Notifications::Event.new(*args)4ActiveSupport::Notifications.subscribe("hello") do |*args|5 event = ActiveSupport::Notifications::Event.new(*args)6ActiveSupport::Notifications.instrument("hello") do7ActiveSupport::Notifications.subscribe("hello") do |*args|8 event = ActiveSupport::Notifications::Event.new(*args)9ActiveSupport::Notifications.instrument("hello") do10ActiveSupport::Notifications.instrument("hello") do11ActiveSupport::Notifications.subscribe("hello") do |*args|12 event = ActiveSupport::Notifications::Event.new(*args)13ActiveSupport::Notifications.instrument("hello") do14ActiveSupport::Notifications.instrument("hello") do15ActiveSupport::Notifications.instrument("hello") do16ActiveSupport::Notifications.subscribe("hello") do |*args|17 event = ActiveSupport::Notifications::Event.new(*args)18ActiveSupport::Notifications.instrument("hello") do19ActiveSupport::Notifications.instrument("hello") do20ActiveSupport::Notifications.instrument("hello") do21ActiveSupport::Notifications.instrument("hello") do
start
Using AI Code Generation
1puts ActiveSupport::NumberHelper.number_to_delimited(number)2puts ActiveSupport::NumberHelper.number_to_delimited(number)3puts ActiveSupport::NumberHelper.number_to_delimited(number)4puts ActiveSupport::NumberHelper.number_to_delimited(number)5puts ActiveSupport::NumberHelper.number_to_delimited(number)6puts ActiveSupport::NumberHelper.number_to_delimited(number)7puts ActiveSupport::NumberHelper.number_to_delimited(number)8puts ActiveSupport::NumberHelper.number_to_delimited(number)
start
Using AI Code Generation
1ActiveSupport::Notifications.instrument("hello") do2ActiveSupport::Notifications.subscribe("hello") do |*args|3 event = ActiveSupport::Notifications::Event.new(*args)4ActiveSupport::Notifications.subscribe("hello") do |*args|5 event = ActiveSupport::Notifications::Event.new(*args)6ActiveSupport::Notifications.instrument("hello") do7ActiveSupport::Notifications.subscribe("hello") do |*args|8 event = ActiveSupport::Notifications::Event.new(*args)9ActiveSupport::Notifications.instrument("hello") do10ActiveSupport::Notifications.instrument("hello") do11ActiveSupport::Notifications.subscribe("hello") do |*args|12 event = ActiveSupport::Notifications::Event.new(*args)13ActiveSupport::Notifications.instrument("hello") do14ActiveSupport::Notifications.instrument("hello") do15ActiveSupport::Notifications.instrument("hello") do16ActiveSupport::Notifications.subscribe("hello") do |*args|17 event = ActiveSupport::Notifications::Event.new(*args)18ActiveSupport::Notifications.instrument("hello") do19ActiveSupport::Notifications.instrument("hello") do20ActiveSupport::Notifications.instrument("hello") do21ActiveSupport::Notifications.instrument("hello") do
start
Using AI Code Generation
1puts ActiveSupport::NumberHelper.number_to_delimited(number)2puts ActiveSupport::NumberHelper.number_to_delimited(number)3puts ActiveSupport::NumberHelper.number_to_delimited(number)4puts ActiveSupport::NumberHelper.number_to_delimited(number)5puts ActiveSupport::NumberHelper.number_to_delimited(number)6puts ActiveSupport::NumberHelper.number_to_delimited(number)7puts ActiveSupport::NumberHelper.number_to_delimited(number)8puts ActiveSupport::NumberHelper.number_to_delimited(number)
start
Using AI Code Generation
1puts ActiveSupport::NumberHelper.number_to_delimited(number)2puts ActiveSupport::NumberHelper.number_to_delimited(number)3puts ActiveSupport::NumberHelper.number_to_delimited(number)4puts ActiveSupport::NumberHelper.number_to_delimited(number)
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