require 'spec_helper' describe DataMapper::Matchers::HaveMany do context '#should' do it 'passes if association exists' do lambda { expect(Author).to have_many :books}.should_pass end it 'fails if association does not exist' do expect { expect(Author).to have_many :bad_relations}.to fail_with "expected to have many bad_relations" end end context '#should_not' do it 'fails if association exists' do expect { expect(Author).not_to have_many :books}.to fail_with "expected to not have many books" end end context 'instance of model' do it "should pass" do lambda { expect(Author.new).to have_many :books }.should_pass end end end