require 'rails_helper' describe ZipExport, type: :model do it 'should be of class ZipExport' do expect(subject.class).to eq ZipExport end describe 'Database table' do it { should have_db_column :user_id } it { should have_db_column :created_at } it { should have_db_column :updated_at } it { should have_db_column :zip_file_file_name } it { should have_db_column :zip_file_content_type } it { should have_db_column :zip_file_file_size } it { should have_db_column :zip_file_updated_at } end describe 'Relations' do it { should belong_to :user } end end