require 'helper' describe Arel::Nodes::Count do describe 'backwards compatibility' do it 'must be an expression' do Arel::Nodes::Count.new('foo').must_be_kind_of Arel::Expression end end describe "as" do it 'should alias the count' do table = Arel::Table.new :users table[:id].count.as('foo').to_sql.must_be_like %{ COUNT("users"."id") AS foo } end end describe "eq" do it "should compare the count" do table = Arel::Table.new :users table[:id].count.eq(2).to_sql.must_be_like %{ COUNT("users"."id") = 2 } end end describe 'equality' do it 'is equal with equal ivars' do array = [Arel::Nodes::Count.new('foo'), Arel::Nodes::Count.new('foo')] assert_equal 1, array.uniq.size end it 'is not equal with different ivars' do array = [Arel::Nodes::Count.new('foo'), Arel::Nodes::Count.new('foo!')] assert_equal 2, array.uniq.size end end end