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require 'mocha/class_method'
module Mocha
class AnyInstanceMethod < ClassMethod
def mock
stubbee.any_instance.mocha
end
def reset_mocha
stubbee.any_instance.reset_mocha
end
def hide_original_method
if method_exists?(method)
begin
@original_method = stubbee.instance_method(method)
if @original_method && @original_method.owner == stubbee
@original_visibility = :public
if stubbee.protected_instance_methods.include?(method)
@original_visibility = :protected
elsif stubbee.private_instance_methods.include?(method)
@original_visibility = :private
end
stubbee.send(:remove_method, method)
end
include_prepended_module if RUBY_VERSION >= '2.0'
rescue NameError
# deal with nasties like ActiveRecord::Associations::AssociationProxy
end
end
end
def define_new_method
definition_target.class_eval(<<-CODE, __FILE__, __LINE__ + 1)
def #{method}(*args, &block)
self.class.any_instance.mocha.method_missing(:#{method}, *args, &block)
end
CODE
if @original_visibility
Module.instance_method(@original_visibility).bind(definition_target).call(method)
end
end
def remove_new_method
definition_target.send(:remove_method, method)
end
def restore_original_method
if @original_method && @original_method.owner == stubbee
stubbee.send(:define_method, method, @original_method)
Module.instance_method(@original_visibility).bind(stubbee).call(method)
end
end
def method_exists?(method)
return true if stubbee.public_instance_methods(false).include?(method)
return true if stubbee.protected_instance_methods(false).include?(method)
return true if stubbee.private_instance_methods(false).include?(method)
return false
end
private
def include_prepended_module
possible_prepended_modules = stubbee.ancestors.take_while do |mod|
!(Class === mod)
end
if possible_prepended_modules.any?
@definition_target = PrependedModule.new
stubbee.__send__ :prepend, @definition_target
end
end
def definition_target
@definition_target ||= stubbee
end
end
end
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