Class: Spy::Strategy::Wrap

Inherits:
Object
  • Object
show all
Defined in:
lib/spy/strategy/wrap.rb

Instance Method Summary collapse

Constructor Details

#initialize(spy) ⇒ Wrap

Returns a new instance of Wrap.



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# File 'lib/spy/strategy/wrap.rb', line 7

def initialize(spy)
  @spy = spy
  @visibility = DetermineVisibility.call(spy.original)
end

Instance Method Details

#apply ⇒ Object 



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# File 'lib/spy/strategy/wrap.rb', line 12

def apply
  spy = @spy
  visibility = @visibility
  @spy.original.owner.class_eval do
    undef_method spy.original.name

    # Replace the method with the spy
    define_method spy.original.name do |*args, &block|
      Spy::Strategy::Base.call(spy, self, *args, &block)
    end

    # Make the visibility of the spy match the spied original
    send(visibility, spy.original.name)
  end
end

#undo ⇒ Object 



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# File 'lib/spy/strategy/wrap.rb', line 28

def undo
  spy = @spy
  visibility = @visibility
  spy.original.owner.class_eval do
    remove_method spy.original.name
    define_method spy.original.name, spy.original
    send(visibility, spy.original.name)
  end
end