testing rails engine generator with rspec

Question

I create a simpe gem wich include a install generator, generator works fine but now I want to test it using rspec, I foud this gem, and try to test my generator, my spec code is:

require 'genspec'
require 'rosalie'

describe :install_generator do

  it "should generate model" do
    subject.should generate("message.rb")
  end
end

rosalie is the name of may gem, now when I run it I got an error: /stuff/work/my_projects/rosalie/lib/rosalie/engine.rb:2:in `': uninitialized constant Rosalie::Rails (NameError)

my engine.rb code is:

module Rosalie
  class Engine < Rails::Engine

    initializer "rosalie.models.messageable" do
      ActiveSupport.on_load(:active_record) do
        include Rosalie::Models::Messageable
      end
    end
  end
end

anybody can help me with this problem?

apneadiving apneadiving · Accepted Answer · 2012-05-03T14:53:06

You have to load your code before you include it somewhere.

Either require or autoload your main file.

Here is an example from my gem.

testing rails engine generator with rspec

2 Answers