module RSpec::RubyContentMatchers
  class IncludeModule
    attr_reader :module_name

    def initialize module_name
      @module_name = module_name.to_s.camelize
    end

    def matches?(content)      
      match_res = (content =~ /include\s+#{module_name}/)
      if block_given? && match_res
        ruby_content = content.extend(RSpec::RubyContent::Helpers)
        yield ruby_content
      else
        match_res
      end
    end          
  
    def failure_message
      "Expected there to be an inclusion of module #{module_name}"
    end 
    
    def negative_failure_message
      "Did not expect there to be an inclusion of module #{module_name}"
    end
               
  end
  
  def include_module(module_name)
    IncludeModule.new(module_name)
  end    
end