FactoryBot.define do factory :file_uploader do skip_create project secret nil transient do fixture { 'rails_sample.jpg' } path { File.join(Rails.root, 'spec/fixtures', fixture) } file { Rack::Test::UploadedFile.new(path) } end after(:build) do |uploader, evaluator| uploader.store!(evaluator.file) end initialize_with do new(project, secret) end end end