An example of an attachment upload paperclip test.

assets_spec.rb

require 'spec_helper'

describe Manage::Collections::AssetsController do
  use_vcr_cassette

  let!(:collection) {FactoryGirl.create :collection}
  let!(:employee)   {FactoryGirl.create :employee}

  it 'creates an asset' do
    collection.header.should_not be
    post :create, format: :json, pin: employee.pin, collection_id: collection.id, asset: {image: fixture_file_upload('spec/assets/test-image.jpg', 'image/jpg')}

    collection.reload
    collection.header.should be
    
    json = JSON.parse(response.body)
    json['url'].should == collection.assets.first.image.url(:original)
  end

  it 'removes an asset'
end