require 'spec_helper' module Arel describe Group do before do @relation = Table.new(:users) @attribute = @relation[:id] end describe '#to_sql' do describe 'when given a predicate' do it "manufactures sql with where clause conditions" do sql = Group.new(@relation, @attribute).to_sql adapter_is :mysql do sql.should be_like(%Q{ SELECT `users`.`id`, `users`.`name` FROM `users` GROUP BY `users`.`id` }) end adapter_is_not :mysql do sql.should be_like(%Q{ SELECT "users"."id", "users"."name" FROM "users" GROUP BY "users"."id" }) end end end describe 'when given a string' do it "passes the string through to the where clause" do sql = Group.new(@relation, 'asdf').to_sql adapter_is :mysql do sql.should be_like(%Q{ SELECT `users`.`id`, `users`.`name` FROM `users` GROUP BY asdf }) end adapter_is_not :mysql do sql.should be_like(%Q{ SELECT "users"."id", "users"."name" FROM "users" GROUP BY asdf }) end end end end end end