Seeding file uploads with CarrierWave, Rails 3
Turns out the documentation for CarrierWave is slightly wrong. There is a more up to date piece of code in the README at the GitHub repository for the project. In a nutshell, though: pi = ProductImage.create!(:product => product) pi.image.store!(File.open(File.join(Rails.root, ‘test.jpg’))) product.product_images << pi product.save!