require 'cases/helper' require 'models/developer' require 'models/owner' require 'models/pet' require 'models/toy' class TimestampTest < ActiveRecord::TestCase fixtures :developers, :owners, :pets, :toys def setup @developer = Developer.first @previously_updated_at = @developer.updated_at end def test_saving_a_changed_record_updates_its_timestamp @developer.name = "Jack Bauer" @developer.save! assert_not_equal @previously_updated_at, @developer.updated_at end def test_saving_a_unchanged_record_doesnt_update_its_timestamp @developer.save! assert_equal @previously_updated_at, @developer.updated_at end def test_touching_a_record_updates_its_timestamp previous_salary = @developer.salary @developer.salary = previous_salary + 10000 @developer.touch assert_not_equal @previously_updated_at, @developer.updated_at assert_equal previous_salary + 10000, @developer.salary assert @developer.salary_changed?, 'developer salary should have changed' assert @developer.changed?, 'developer should be marked as changed' @developer.reload assert_equal previous_salary, @developer.salary end def test_touching_a_different_attribute previously_created_at = @developer.created_at @developer.touch(:created_at) assert !@developer.created_at_changed? , 'created_at should not be changed' assert !@developer.changed?, 'record should not be changed' assert_not_equal previously_created_at, @developer.created_at assert_not_equal @previously_updated_at, @developer.updated_at end def test_saving_a_record_with_a_belongs_to_that_specifies_touching_the_parent_should_update_the_parent_updated_at pet = Pet.first owner = pet.owner previously_owner_updated_at = owner.updated_at pet.name = "Fluffy the Third" pet.save assert_not_equal previously_owner_updated_at, pet.owner.updated_at end def test_destroying_a_record_with_a_belongs_to_that_specifies_touching_the_parent_should_update_the_parent_updated_at pet = Pet.first owner = pet.owner previously_owner_updated_at = owner.updated_at pet.destroy assert_not_equal previously_owner_updated_at, pet.owner.updated_at end def test_saving_a_record_with_a_belongs_to_that_specifies_touching_a_specific_attribute_the_parent_should_update_that_attribute Pet.belongs_to :owner, :touch => :happy_at pet = Pet.first owner = pet.owner previously_owner_happy_at = owner.happy_at pet.name = "Fluffy the Third" pet.save assert_not_equal previously_owner_happy_at, pet.owner.happy_at ensure Pet.belongs_to :owner, :touch => true end def test_touching_a_record_touches_parent_record_and_grandparent_record Toy.belongs_to :pet, :touch => true Pet.belongs_to :owner, :touch => true toy = Toy.first pet = toy.pet owner = pet.owner owner.update_attribute(:updated_at, (time = 3.days.ago)) toy.touch assert_not_equal time, owner.updated_at ensure Toy.belongs_to :pet end end