require "cases/helper" require 'models/post' require 'models/comment' require 'models/project' require 'models/developer' require 'models/company_in_module' class AssociationsExtensionsTest < ActiveRecord::TestCase fixtures :projects, :developers, :developers_projects, :comments, :posts def test_extension_on_has_many assert_equal comments(:more_greetings), posts(:welcome).comments.find_most_recent end def test_extension_on_habtm assert_equal projects(:action_controller), developers(:david).projects.find_most_recent end def test_named_extension_on_habtm assert_equal projects(:action_controller), developers(:david).projects_extended_by_name.find_most_recent end def test_named_two_extensions_on_habtm assert_equal projects(:action_controller), developers(:david).projects_extended_by_name_twice.find_most_recent assert_equal projects(:active_record), developers(:david).projects_extended_by_name_twice.find_least_recent end def test_named_extension_and_block_on_habtm assert_equal projects(:action_controller), developers(:david).projects_extended_by_name_and_block.find_most_recent assert_equal projects(:active_record), developers(:david).projects_extended_by_name_and_block.find_least_recent end def test_extension_with_scopes assert_equal comments(:greetings), posts(:welcome).comments.offset(1).find_most_recent assert_equal comments(:greetings), posts(:welcome).comments.not_again.find_most_recent end def test_marshalling_extensions david = developers(:david) assert_equal projects(:action_controller), david.projects.find_most_recent marshalled = Marshal.dump(david) # Marshaling an association shouldn't make it unusable by wiping its reflection. assert_not_nil david.association(:projects).reflection david_too = Marshal.load(marshalled) assert_equal projects(:action_controller), david_too.projects.find_most_recent end def test_marshalling_named_extensions david = developers(:david) assert_equal projects(:action_controller), david.projects_extended_by_name.find_most_recent marshalled = Marshal.dump(david) david = Marshal.load(marshalled) assert_equal projects(:action_controller), david.projects_extended_by_name.find_most_recent end def test_extension_name extend!(Developer) extend!(MyApplication::Business::Developer) assert Object.const_get 'DeveloperAssociationNameAssociationExtension' assert MyApplication::Business.const_get 'DeveloperAssociationNameAssociationExtension' end def test_proxy_association_after_scoped post = posts(:welcome) assert_equal post.association(:comments), post.comments.the_association assert_equal post.association(:comments), post.comments.where('1=1').the_association end private def extend!(model) builder = ActiveRecord::Associations::Builder::HasMany.new(:association_name, nil, {}) { } builder.define_extensions(model) end end