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Contents
module Dynflow
module Testing
# 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.
# @example
# m = mock('product')
# m.is_a? ::Product # => false
# m.extend Mimic
# m.mimic! ::Product
# m.is_a? ::Product # => true
module Mimic
class ::Module
def ===(v)
v.kind_of? self
end
end
def mimic!(*types)
define =-> _ do
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
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems