ActionController options results used in different ways

ActionController options results used in different ways

class ApplicationController < ActionController::Base
end

class MyController < ApplicationController
end

ActionController::Base.perform_caching = true

ActionController::Base.perform_caching     # => true
ActionController::Base.new.perform_caching # => true
ApplicationController.perform_caching      # => true
ApplicationController.new.perform_caching  # => true
MyController.perform_caching               # => true
MyController.new.perform_caching           # => true

# ---

ActionController::Base.perform_caching = false

ActionController::Base.perform_caching     # => false
ActionController::Base.new.perform_caching # => false
ApplicationController.perform_caching      # => false
ApplicationController.new.perform_caching  # => false
MyController.perform_caching               # => false
MyController.new.perform_caching           # => false

# ---

instance = ActionController::Base.new
instance.perform_caching = false

ActionController::Base.perform_caching     # => true
ActionController::Base.new.perform_caching # => true
instance.perform_caching                   # => false
ApplicationController.perform_caching      # => true
ApplicationController.new.perform_caching  # => true
MyController.perform_caching               # => true
MyController.new.perform_caching           # => true


# ---

ApplicationController.perform_caching = true

ActionController::Base.perform_caching     # => true
ActionController::Base.new.perform_caching # => true
ApplicationController.perform_caching      # => true
ApplicationController.new.perform_caching  # => true
MyController.perform_caching               # => true
MyController.new.perform_caching           # => true

# ---

ApplicationController.perform_caching = false

ActionController::Base.perform_caching     # => true
ActionController::Base.new.perform_caching # => true
ApplicationController.perform_caching      # => false
ApplicationController.new.perform_caching  # => false
MyController.perform_caching               # => false
MyController.new.perform_caching           # => false

# ----

instance = ApplicationController.new
instance.perform_caching = false

ActionController::Base.perform_caching     # => true
ActionController::Base.new.perform_caching # => true
ApplicationController.perform_caching      # => true
ApplicationController.new.perform_caching  # => true
instance.perform_caching                   # => false
MyController.perform_caching               # => true
MyController.new.perform_caching           # => true

# ---

MyController.perform_caching = true

ActionController::Base.perform_caching     # => true
ActionController::Base.new.perform_caching # => true
ApplicationController.perform_caching      # => true
ApplicationController.new.perform_caching  # => true
MyController.perform_caching               # => true
MyController.new.perform_caching           # => true

# ---

MyController.perform_caching = false

ActionController::Base.perform_caching     # => true
ActionController::Base.new.perform_caching # => true
ApplicationController.perform_caching      # => true
ApplicationController.new.perform_caching  # => true
MyController.perform_caching               # => false
MyController.new.perform_caching           # => false

# ----

instance = MyController.new
instance.perform_caching = false

ActionController::Base.perform_caching     # => true
ActionController::Base.new.perform_caching # => true
ApplicationController.perform_caching      # => true
ApplicationController.new.perform_caching  # => true
MyController.perform_caching               # => true
MyController.new.perform_caching           # => true
instance.perform_caching                   # => false