module DhEasy::Core::Mock

Public Class Methods

context_vars(exposed_methods) click to toggle source

Generate a context and message queue from a list of exposed methods.

@param [Array] exposed_methods List of exposed methods.

@example

exposed_methods = [:boo, :bar]
context, message_queue = DhEasy::Core::Mock.context_vars exposed_methods
context.boo 1, 2
context.bar 'A', 'B'
context.bar '111', '222'
message_queue
# => [
#   [:boo, [1, 2]],
#   [:bar, ['A', 'B']],
#   [:bar, ['111', '222']]
# ]

@return [Array] `[context, message_queue]` being:

* `context`: Object implementing exposed methods.
* `[Array] message_queue`: Array to store messages.
# File lib/dh_easy/core/mock.rb, line 30
def self.context_vars exposed_methods
  context = Object.new
  metaclass = class << context; self; end
  message_queue = [] # Beat reference bug
  exposed_methods = exposed_methods
  exposed_methods.each do |key|
    metaclass.send(:define_method, key) do |*args|
      # Record all method calls into message queue for easy access
      message_queue << [key, args]
    end
  end
  [context, message_queue]
end