Module: Dynflow::Testing::Mimic

Included in:
DummyExecutionPlan, DummyPlannedAction, DummyStep, DummyWorld
Defined in:
lib/dynflow/testing/mimic.rb

Overview

when extended into Class or an_object it makes all instances of the class or the object mimic the supplied types. It does so by hooking into kind_of? method.

Examples:

m = mock('product')
m.is_a? ::Product # => false
m.extend Mimic
m.mimic! ::Product
m.is_a? ::Product # => true

Instance Method Summary collapse

Instance Method Details

#mimic!(*types) ⇒ Object 



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# File 'lib/dynflow/testing/mimic.rb', line 19

def mimic!(*types)
  define =-> _ do
    define_method :mimic_types do
      types
    end
    define_method :kind_of? do |type|
      types.any? { |t| t <= type } || super(type)
    end

    alias_method :is_a?, :kind_of?
  end

  if self.kind_of? ::Class
    self.class_eval &define
  else
    self.singleton_class.class_eval &define
  end

  self
end