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