Testing indexes for mongoid

spec.rb

  describe 'indexes' do
    it { should have_index_for({ company: 1, advisor_company: 1 }).with_options(unique: true) }

    describe 'unique index for :company and :advisor_company' do
      let!(:first_advisor_company) { create(:company, :advisor) }
      let!(:second_advisor_company) { create(:company, :advisor) }
      let!(:company) { create(:company) }

      before { Rails::Mongoid.create_indexes("app/models/company/**/*.rb") }

      it 'should ensure uniques' do
        company.invite_advisor(first_advisor_company)
        expect do
          company.invite_advisor(first_advisor_company)
        end.not_to change(Company::Relation::AdvisorCompany, :count)
      end
    end
  end