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