require "test_helper" class DomainTest < ActiveSupport::TestCase test "domain can not be blank" do @d = Domain.new assert !@d.save end test "domain can no tbe duplicated" do @d1 = Domain.new @d1.domain = "example.com" assert @d1.save @d2 = Domain.new @d2.domain = "example.com" assert !@d2.save end end