require File.join(File.dirname(__FILE__), 'abstract_unit') require File.join(File.dirname(__FILE__), 'fixtures/page') require File.join(File.dirname(__FILE__), 'fixtures/widget') class VersionedTest < Test::Unit::TestCase fixtures :pages, :page_versions, :locked_pages, :locked_pages_revisions, :authors, :landmarks, :landmark_versions set_fixture_class :page_versions => Page::Version def test_saves_versioned_copy p = Page.create! :title => 'first title', :body => 'first body' assert !p.new_record? assert_equal 1, p.versions.size assert_equal 1, p.version assert_instance_of Page.versioned_class, p.versions.first end def test_saves_without_revision p = pages(:welcome) old_versions = p.versions.count p.save_without_revision p.without_revision do p.update_attributes :title => 'changed' end assert_equal old_versions, p.versions.count end def test_rollback_with_version_number p = pages(:welcome) assert_equal 24, p.version assert_equal 'Welcome to the weblog', p.title assert p.revert_to!(23), "Couldn't revert to 23" assert_equal 23, p.version assert_equal 'Welcome to the weblg', p.title end def test_versioned_class_name assert_equal 'Version', Page.versioned_class_name assert_equal 'LockedPageRevision', LockedPage.versioned_class_name end def test_versioned_class assert_equal Page::Version, Page.versioned_class assert_equal LockedPage::LockedPageRevision, LockedPage.versioned_class end def test_special_methods assert_nothing_raised { pages(:welcome).feeling_good? } assert_nothing_raised { pages(:welcome).versions.first.feeling_good? } assert_nothing_raised { locked_pages(:welcome).hello_world } assert_nothing_raised { locked_pages(:welcome).versions.first.hello_world } end def test_rollback_with_version_class p = pages(:welcome) assert_equal 24, p.version assert_equal 'Welcome to the weblog', p.title assert p.revert_to!(p.versions.find_by_version(23)), "Couldn't revert to 23" assert_equal 23, p.version assert_equal 'Welcome to the weblg', p.title end def test_rollback_fails_with_invalid_revision p = locked_pages(:welcome) assert !p.revert_to!(locked_pages(:thinking)) end def test_saves_versioned_copy_with_options p = LockedPage.create! :title => 'first title' assert !p.new_record? assert_equal 1, p.versions.size assert_instance_of LockedPage.versioned_class, p.versions.first end def test_rollback_with_version_number_with_options p = locked_pages(:welcome) assert_equal 'Welcome to the weblog', p.title assert_equal 'LockedPage', p.versions.first.version_type assert p.revert_to!(p.versions.first.lock_version), "Couldn't revert to 23" assert_equal 'Welcome to the weblg', p.title assert_equal 'LockedPage', p.versions.first.version_type end def test_rollback_with_version_class_with_options p = locked_pages(:welcome) assert_equal 'Welcome to the weblog', p.title assert_equal 'LockedPage', p.versions.first.version_type assert p.revert_to!(p.versions.first), "Couldn't revert to 1" assert_equal 'Welcome to the weblg', p.title assert_equal 'LockedPage', p.versions.first.version_type end def test_saves_versioned_copy_with_sti p = SpecialLockedPage.create! :title => 'first title' assert !p.new_record? assert_equal 1, p.versions.size assert_instance_of LockedPage.versioned_class, p.versions.first assert_equal 'SpecialLockedPage', p.versions.first.version_type end def test_rollback_with_version_number_with_sti p = locked_pages(:thinking) assert_equal 'So I was thinking', p.title assert p.revert_to!(p.versions.first.lock_version), "Couldn't revert to 1" assert_equal 'So I was thinking!!!', p.title assert_equal 'SpecialLockedPage', p.versions.first.version_type end def test_lock_version_works_with_versioning p = locked_pages(:thinking) p2 = LockedPage.find(p.id) p.title = 'fresh title' p.save assert_equal 2, p.versions.size # limit! assert_raises(ActiveRecord::StaleObjectError) do p2.title = 'stale title' p2.save end end def test_version_if_condition p = Page.create! :title => "title" assert_equal 1, p.version Page.feeling_good = false p.save assert_equal 1, p.version Page.feeling_good = true end def test_version_if_condition2 # set new if condition Page.class_eval do def new_feeling_good() title[0..0] == 'a'; end alias_method :old_feeling_good, :feeling_good? alias_method :feeling_good?, :new_feeling_good end p = Page.create! :title => "title" assert_equal 1, p.version # version does not increment assert_equal 1, p.versions.count p.update_attributes(:title => 'new title') assert_equal 1, p.version # version does not increment assert_equal 1, p.versions.count p.update_attributes(:title => 'a title') assert_equal 2, p.version assert_equal 2, p.versions.count # reset original if condition Page.class_eval { alias_method :feeling_good?, :old_feeling_good } end def test_version_if_condition_with_block # set new if condition old_condition = Page.version_condition Page.version_condition = Proc.new { |page| page.title[0..0] == 'b' } p = Page.create! :title => "title" assert_equal 1, p.version # version does not increment assert_equal 1, p.versions.count p.update_attributes(:title => 'a title') assert_equal 1, p.version # version does not increment assert_equal 1, p.versions.count p.update_attributes(:title => 'b title') assert_equal 2, p.version assert_equal 2, p.versions.count # reset original if condition Page.version_condition = old_condition end def test_version_no_limit p = Page.create! :title => "title", :body => 'first body' p.save p.save 5.times do |i| p.title = "title#{i}" p.save assert_equal "title#{i}", p.title assert_equal (i+2), p.version end end def test_version_max_limit p = LockedPage.create! :title => "title" p.update_attributes(:title => "title1") p.update_attributes(:title => "title2") 5.times do |i| p.title = "title#{i}" p.save assert_equal "title#{i}", p.title assert_equal (i+4), p.lock_version assert p.versions(true).size <= 2, "locked version can only store 2 versions" end end def test_track_altered_attributes_default_value assert !Page.track_altered_attributes assert LockedPage.track_altered_attributes assert SpecialLockedPage.track_altered_attributes end def test_track_altered_attributes p = LockedPage.create! :title => "title" assert_equal 1, p.lock_version assert_equal 1, p.versions(true).size p.body = 'whoa' assert !p.save_version? p.save assert_equal 2, p.lock_version # still increments version because of optimistic locking assert_equal 1, p.versions(true).size p.title = 'updated title' assert p.save_version? p.save assert_equal 3, p.lock_version assert_equal 1, p.versions(true).size # version 1 deleted p.title = 'updated title!' assert p.save_version? p.save assert_equal 4, p.lock_version assert_equal 2, p.versions(true).size # version 1 deleted end def test_find_versions assert_equal 1, locked_pages(:welcome).versions.find(:all, :conditions => ['title LIKE ?', '%weblog%']).size end def test_find_version assert_equal page_versions(:welcome_1), pages(:welcome).versions.find_by_version(23) end def test_with_sequence assert_equal 'widgets_seq', Widget.versioned_class.sequence_name 3.times { Widget.create! :name => 'new widget' } assert_equal 3, Widget.count assert_equal 3, Widget.versioned_class.count end def test_has_many_through assert_equal [authors(:caged), authors(:mly)], pages(:welcome).authors end def test_has_many_through_with_custom_association assert_equal [authors(:caged), authors(:mly)], pages(:welcome).revisors end def test_referential_integrity pages(:welcome).destroy assert_equal 0, Page.count assert_equal 0, Page::Version.count end def test_association_options association = Page.reflect_on_association(:versions) options = association.options assert_equal :delete_all, options[:dependent] association = Widget.reflect_on_association(:versions) options = association.options assert_equal :nullify, options[:dependent] assert_equal 'version desc', options[:order] assert_equal 'widget_id', options[:foreign_key] widget = Widget.create! :name => 'new widget' assert_equal 1, Widget.count assert_equal 1, Widget.versioned_class.count widget.destroy assert_equal 0, Widget.count assert_equal 1, Widget.versioned_class.count end def test_versioned_records_should_belong_to_parent page = pages(:welcome) page_version = page.versions.last assert_equal page, page_version.page end def test_unaltered_attributes landmarks(:washington).attributes = landmarks(:washington).attributes.except("id") assert !landmarks(:washington).changed? end def test_unchanged_string_attributes landmarks(:washington).attributes = landmarks(:washington).attributes.except("id").inject({}) { |params, (key, value)| params.update(key => value.to_s) } assert !landmarks(:washington).changed? end def test_should_find_earliest_version assert_equal page_versions(:welcome_1), pages(:welcome).versions.earliest end def test_should_find_latest_version assert_equal page_versions(:welcome_2), pages(:welcome).versions.latest end def test_should_find_previous_version assert_equal page_versions(:welcome_1), page_versions(:welcome_2).previous assert_equal page_versions(:welcome_1), pages(:welcome).versions.before(page_versions(:welcome_2)) end def test_should_find_next_version assert_equal page_versions(:welcome_2), page_versions(:welcome_1).next assert_equal page_versions(:welcome_2), pages(:welcome).versions.after(page_versions(:welcome_1)) end def test_should_find_version_count assert_equal 2, pages(:welcome).versions.size end def test_if_changed_creates_version_if_a_listed_column_is_changed landmarks(:washington).name = "Washington" assert landmarks(:washington).changed? assert landmarks(:washington).altered? end def test_if_changed_creates_version_if_all_listed_columns_are_changed landmarks(:washington).name = "Washington" landmarks(:washington).latitude = 1.0 landmarks(:washington).longitude = 1.0 assert landmarks(:washington).changed? assert landmarks(:washington).altered? end def test_if_changed_does_not_create_new_version_if_unlisted_column_is_changed landmarks(:washington).doesnt_trigger_version = "This should not trigger version" assert landmarks(:washington).changed? assert !landmarks(:washington).altered? end def test_without_locking_temporarily_disables_optimistic_locking enabled1 = false block_called = false ActiveRecord::Base.lock_optimistically = true LockedPage.without_locking do enabled1 = ActiveRecord::Base.lock_optimistically block_called = true end enabled2 = ActiveRecord::Base.lock_optimistically assert block_called assert !enabled1 assert enabled2 end def test_without_locking_reverts_optimistic_locking_settings_if_block_raises_exception assert_raises(RuntimeError) do LockedPage.without_locking do raise RuntimeError, "oh noes" end end assert ActiveRecord::Base.lock_optimistically end end