You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: trainer_spec.rb
    path of file: ./repos/arachni/spec/arachni
    
    the code of the file until where you have to start completion: require 'spec_helper'

class TrainerMockFramework
    attr_reader :pages
    attr_reade
    
    def initialize( page = nil )
        @page        = page
        @pages       = []
        @on_page_audit = []

        http.reset
        @trainer = Arachni::Trainer.new( self )

        @opts = Arachni::Options.instance
        @opts.url = page.url if page

        @sitemap = []
        @urls    = []
    end