require 'cases/helper' require 'models/contact' class ConversionTest < ActiveModel::TestCase test "to_model default implementation returns self" do contact = Contact.new assert_equal contact, contact.to_model end test "to_key default implementation returns nil for new records" do assert_nil Contact.new.to_key end test "to_key default implementation returns the id in an array for persisted records" do assert_equal [1], Contact.new(:new_record => false, :id => 1).to_key end test "to_param default implementation returns nil for new records" do assert_nil Contact.new.to_param end test "to_param default implementation returns a string of ids for persisted records" do assert_equal "1", Contact.new(:new_record => false, :id => 1).to_param end end