spec/factories/image_file.rb
FactoryGirl.define do
factory :image_file do
# filename
# content_type "image/jpeg"
# size 4374 # hard-code to byte size of our fixture image
uploaded_data { fixture_file_upload(Rails.root.join('spec', 'fixtures', 'sample.jpg').to_s, 'image/jpeg') }
end
end