require 'rails_helper' describe ProtocolProtocolKeyword, type: :model do it 'should be of class ProtocolProtocolKeyword' do expect(subject.class).to eq ProtocolProtocolKeyword end describe 'Database table' do it { should have_db_column :protocol_id } it { should have_db_column :protocol_keyword_id } end describe 'Relations' do it { should belong_to :protocol } it { should belong_to :protocol_keyword } end describe 'Should be a valid object' do it { should validate_presence_of :protocol } it { should validate_presence_of :protocol_keyword } end end