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Contents
require 'active_support'
module ActiveSpy
# Module that defines methods used to spy on some class methods
#
module Spy
# Default snippet to extends the class with {ActiveSpy::Spy::ClassMethods}
# when {ActiveSpy::Spy} is included in it.
#
def self.included(base)
base.extend ClassMethods
end
# Invokes the callback method on the invoker class. The +callback_type+
# param tells wether it will be called +:after+ or +before+.
#
def invoke_callback(method, callback_type)
callback_invoker = callback_invoker_class.new(self)
callback = "#{callback_type}_#{method}"
return unless callback_invoker.respond_to?(callback)
callback_invoker.send(callback)
end
# Gets the invoker class based on the class' name
#
def callback_invoker_class
ActiveSupport::Inflector.constantize "#{self.class.name}Events"
end
# Class methods to be defined in classes that includes {ActiveSpy::Spy}
#
module ClassMethods
# Set watchers for the +method+
#
def watch_method(*methods)
methods.each do |method|
ActiveSpy::SpyList << { 'class' => name, 'method' => method }
end
end
end
end
end
Version data entries
25 entries across 25 versions & 1 rubygems