require 'rails_helper' describe AssetTextDatum, type: :model do it 'should be of class Activity' do expect(subject.class).to eq AssetTextDatum end describe 'Database table' do it { should have_db_column :id } it { should have_db_column :data } it { should have_db_column :asset_id } it { should have_db_column :created_at } it { should have_db_column :data_vector } end describe 'Relations' do it { should belong_to :asset } end describe 'Should be a valid object' do let(:asset) { create :asset } it { should validate_presence_of :data } it { should validate_presence_of :asset } it 'should have uniq asset' do create :asset_text_datum, asset: asset new_atd = build :asset_text_datum, asset: asset expect(new_atd).to_not be_valid end end end