From: Carlos Araya <lists@...>
Date: 2012-07-19T09:14:46+09:00
Subject: Class not found error when calling a module::class method

I'm working on a module to automate the creation of ebooks. When trying
to call a method like in the class below:

#!/usr/bin/env ruby -w

require_relative '../lib/ctools/validator.rb'

class Tool_test
  # p $LOAD_PATH
  @html =
File.new('/Users/carlos/experiment/code/ctools/test/index.html').read
  # p @html
  Ctools::Validator.check_html(@html)
end

I get the following error:

undefined method `check_html' for Ctools::Validator:Class
(NoMethodError)

The method is there. The class that is referenced by Tool_test is as
follows:

#!/usr/bin/env ruby -w
require 'json'
require 'rest_client'

module Ctools
  class Validator
  # Based on the code from
https://github.com/damian/html5_validator/blob/master/lib/html5_validator.rb

    attr_reader :errors
    BASE_URI = 'http://html5.validator.nu'
    HEADERS = { 'Content-Type' => 'text/html; charset=utf-8',
'Content-Encoding' => 'UTF-8' }

    def initialize(proxy = nil)
      RestClient.proxy = proxy unless proxy.nil?
    end

    # Validate the markup of a String
    def check_html(text)
      response = RestClient.post "#{BASE_URI}/?out=json", text, HEADERS
      @json = JSON.parse(response.body)
      @errors = retrieve_errors
    end

    # Validate the markup of a URI
    def validate_uri(uri)
      response = RestClient.get BASE_URI, :params => { :doc => uri, :out
=> 'json' }
      @json = JSON.parse(response.body)
      @errors = retrieve_errors
    end

    def inspect
    @errors.map do |err|
      "- Error: #{err['message']}"
      end.join("\n")
    end

    def valid?
      @errors.length == 0
    end

    private

    def retrieve_errors
      @json['messages'].select { |mssg| mssg['type'] == 'error' }
    end
  end #class
end # module

Any pointers as to what's causing the error are appreciated. I am using
ruby 1.9.2p320 (2012-04-20 revision 35421) [x86_64-darwin11.4.0] on OS X
10.7

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