Module: Transpec::Syntax::Mixin::MatcherOwner::ClassMethods

Defined in:
lib/transpec/syntax/mixin/matcher_owner.rb

Instance Method Summary collapse

Instance Method Details

#add_matcher(matcher_class) ⇒ Object

rubocop:disable MethodLength



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# File 'lib/transpec/syntax/mixin/matcher_owner.rb', line 12

def add_matcher(matcher_class) # rubocop:disable MethodLength
  matcher_accessor = "#{matcher_class.snake_case_name}_matcher"
  matcher_ivar = "@#{matcher_accessor}"
  matcher_creator = "create_#{matcher_class.snake_case_name}"

  define_dynamic_analysis do |rewriter|
    matcher = send(matcher_creator)
    if matcher.dynamic_analysis_target?
      matcher.register_dynamic_analysis_request(rewriter)
    end
  end

  define_method(matcher_accessor) do
    if instance_variable_defined?(matcher_ivar)
      return instance_variable_get(matcher_ivar)
    end

    matcher = send(matcher_creator)

    if matcher.conversion_target?
      instance_variable_set(matcher_ivar, matcher)
    else
      instance_variable_set(matcher_ivar, nil)
    end
  end

  define_method(matcher_creator) do
    matcher_class.new(matcher_node, self, source_rewriter, runtime_data, report)
  end
end