require 'abstract_unit' require 'fixtures/developer' require 'fixtures/project' require 'fixtures/company' require 'fixtures/topic' require 'fixtures/reply' require 'fixtures/computer' # Can't declare new classes in test case methods, so tests before that bad_collection_keys = false begin class Car < ActiveRecord::Base; has_many :wheels, :name => "wheels"; end rescue ActiveRecord::ActiveRecordError bad_collection_keys = true end raise "ActiveRecord should have barked on bad collection keys" unless bad_collection_keys class AssociationsTest < Test::Unit::TestCase def setup create_fixtures "accounts", "companies", "developers", "projects", "developers_projects", "computers" @signals37 = Firm.find(1) end def test_force_reload firm = Firm.new("name" => "A New Firm, Inc") firm.save firm.clients.each {|c|} # forcing to load all clients assert firm.clients.empty?, "New firm shouldn't have client objects" assert !firm.has_clients?, "New firm shouldn't have clients" assert_equal 0, firm.clients.size, "New firm should have 0 clients" client = Client.new("name" => "TheClient.com", "firm_id" => firm.id) client.save assert firm.clients.empty?, "New firm should have cached no client objects" assert !firm.has_clients?, "New firm should have cached a no-clients response" assert_equal 0, firm.clients.size, "New firm should have cached 0 clients count" assert !firm.clients(true).empty?, "New firm should have reloaded client objects" assert_equal 1, firm.clients(true).size, "New firm should have reloaded clients count" end def test_storing_in_pstore require "tmpdir" store_filename = File.join(Dir.tmpdir, "ar-pstore-association-test") File.delete(store_filename) if File.exists?(store_filename) require "pstore" apple = Firm.create("name" => "Apple") natural = Client.new("name" => "Natural Company") apple.clients << natural db = PStore.new(store_filename) db.transaction do db["apple"] = apple end db = PStore.new(store_filename) db.transaction do assert_equal "Natural Company", db["apple"].clients.first.name end end end class HasOneAssociationsTest < Test::Unit::TestCase def setup create_fixtures "accounts", "companies", "developers", "projects", "developers_projects" @signals37 = Firm.find(1) end def test_has_one assert_equal @signals37.account, Account.find(1) assert_equal Account.find(1).credit_limit, @signals37.account.credit_limit end def test_triple_equality assert Account === @signals37.account end def test_type_mismatch assert_raises(ActiveRecord::AssociationTypeMismatch) { @signals37.account = 1 } assert_raises(ActiveRecord::AssociationTypeMismatch) { @signals37.account = Project.find(1) } end def test_natural_assignment apple = Firm.create("name" => "Apple") citibank = Account.create("credit_limit" => 10) apple.account = citibank assert_equal apple.id, citibank.firm_id end def test_natural_assignment_to_nil old_account_id = @signals37.account.id @signals37.account = nil @signals37.save assert_nil @signals37.account # account is dependent, therefore is destroyed when reference to owner is lost assert_raises(ActiveRecord::RecordNotFound) { Account.find(old_account_id) } end def test_dependence firm = Firm.find(1) assert !firm.account.nil? firm.destroy assert_equal 1, Account.find_all.length end def test_build firm = Firm.new("name" => "GlobalMegaCorp") firm.save firm.account = account = Account.new("credit_limit" => 1000) assert_equal account, firm.account assert account.save assert_equal account, firm.account end def test_build_before_child_saved firm = Firm.find(1) account = firm.account.build("credit_limit" => 1000) assert_equal account, firm.account assert account.new_record? assert firm.save assert_equal account, firm.account assert !account.new_record? end def test_build_before_either_saved firm = Firm.new("name" => "GlobalMegaCorp") firm.account = account = Account.new("credit_limit" => 1000) assert_equal account, firm.account assert account.new_record? assert firm.save assert_equal account, firm.account assert !account.new_record? end def test_failing_build_association firm = Firm.new("name" => "GlobalMegaCorp") firm.save firm.account = account = Account.new assert_equal account, firm.account assert !account.save assert_equal account, firm.account assert_equal "can't be empty", account.errors.on("credit_limit") end def test_create firm = Firm.new("name" => "GlobalMegaCorp") firm.save firm.account = account = Account.create("credit_limit" => 1000) assert_equal account, firm.account end def test_create_before_save firm = Firm.new("name" => "GlobalMegaCorp") firm.account = account = Account.create("credit_limit" => 1000) assert_equal account, firm.account end def test_dependence_with_missing_association Account.destroy_all firm = Firm.find(1) assert firm.account.nil? firm.destroy end def test_assignment_before_parent_saved firm = Firm.new("name" => "GlobalMegaCorp") firm.account = a = Account.find(1) assert firm.new_record? assert_equal a, firm.account assert firm.save assert_equal a, firm.account assert_equal a, firm.account(true) end def test_assignment_before_child_saved firm = Firm.find(1) firm.account = a = Account.new("credit_limit" => 1000) assert !a.new_record? assert_equal a, firm.account assert_equal a, firm.account assert_equal a, firm.account(true) end def test_assignment_before_either_saved firm = Firm.new("name" => "GlobalMegaCorp") firm.account = a = Account.new("credit_limit" => 1000) assert firm.new_record? assert a.new_record? assert_equal a, firm.account assert firm.save assert !firm.new_record? assert !a.new_record? assert_equal a, firm.account assert_equal a, firm.account(true) end end class HasManyAssociationsTest < Test::Unit::TestCase def setup create_fixtures "accounts", "companies", "developers", "projects", "developers_projects", "topics" @signals37 = Firm.find(1) end def force_signal37_to_load_all_clients_of_firm @signals37.clients_of_firm.each {|f| } end def test_counting assert_equal 2, Firm.find_first.clients.count end def test_finding assert_equal 2, Firm.find_first.clients.length end def test_finding_default_orders assert_equal "Summit", Firm.find_first.clients.first.name end def test_finding_with_different_class_name_and_order assert_equal "Microsoft", Firm.find_first.clients_sorted_desc.first.name end def test_finding_with_foreign_key assert_equal "Microsoft", Firm.find_first.clients_of_firm.first.name end def test_finding_with_condition assert_equal "Microsoft", Firm.find_first.clients_like_ms.first.name end def test_finding_using_sql firm = Firm.find_first first_client = firm.clients_using_sql.first assert_not_nil first_client assert_equal "Microsoft", first_client.name assert_equal 1, firm.clients_using_sql.size assert_equal 1, Firm.find_first.clients_using_sql.size end def test_counting_using_sql assert_equal 1, Firm.find_first.clients_using_counter_sql.size assert_equal 0, Firm.find_first.clients_using_zero_counter_sql.size end def test_belongs_to_sanity c = Client.new assert_nil c.firm if c.firm assert false, "belongs_to failed if check" end unless c.firm else assert false, "belongs_to failed unless check" end end def test_find_ids firm = Firm.find_first assert_raises(ActiveRecord::RecordNotFound) { firm.clients.find } client = firm.clients.find(2) assert_kind_of Client, client client_ary = firm.clients.find([2]) assert_kind_of Array, client_ary assert_equal client, client_ary.first client_ary = firm.clients.find(2, 3) assert_kind_of Array, client_ary assert_equal 2, client_ary.size assert_equal client, client_ary.first assert_raises(ActiveRecord::RecordNotFound) { firm.clients.find(2, 99) } end def test_find_all firm = Firm.find_first assert_equal firm.clients, firm.clients.find_all assert_equal 2, firm.clients.find_all("type = 'Client'").length assert_equal 1, firm.clients.find_all("name = 'Summit'").length end def test_find_all_sanitized firm = Firm.find_first assert_equal firm.clients.find_all("name = 'Summit'"), firm.clients.find_all(["name = '%s'", "Summit"]) end def test_find_first firm = Firm.find_first assert_equal firm.clients.first, firm.clients.find_first assert_equal Client.find(2), firm.clients.find_first("type = 'Client'") end def test_find_first_sanitized assert_equal Client.find(2), Firm.find_first.clients.find_first(["type = ?", "Client"]) end def test_find_in_collection assert_equal Client.find(2).name, @signals37.clients.find(2).name assert_raises(ActiveRecord::RecordNotFound) { @signals37.clients.find(6) } end def test_adding force_signal37_to_load_all_clients_of_firm natural = Client.new("name" => "Natural Company") @signals37.clients_of_firm << natural assert_equal 2, @signals37.clients_of_firm.size # checking via the collection assert_equal 2, @signals37.clients_of_firm(true).size # checking using the db assert_equal natural, @signals37.clients_of_firm.last end def test_adding_a_mismatch_class assert_raises(ActiveRecord::AssociationTypeMismatch) { @signals37.clients_of_firm << nil } assert_raises(ActiveRecord::AssociationTypeMismatch) { @signals37.clients_of_firm << 1 } assert_raises(ActiveRecord::AssociationTypeMismatch) { @signals37.clients_of_firm << Topic.find(1) } end def test_adding_a_collection force_signal37_to_load_all_clients_of_firm @signals37.clients_of_firm.concat([Client.new("name" => "Natural Company"), Client.new("name" => "Apple")]) assert_equal 3, @signals37.clients_of_firm.size assert_equal 3, @signals37.clients_of_firm(true).size end def test_adding_before_save no_of_firms = Firm.count no_of_clients = Client.count new_firm = Firm.new("name" => "A New Firm, Inc") new_firm.clients_of_firm.push Client.new("name" => "Natural Company") new_firm.clients_of_firm << (c = Client.new("name" => "Apple")) assert new_firm.new_record? assert c.new_record? assert_equal 2, new_firm.clients_of_firm.size assert_equal no_of_firms, Firm.count # Firm was not saved to database. assert_equal no_of_clients, Client.count # Clients were not saved to database. assert new_firm.save assert !new_firm.new_record? assert !c.new_record? assert_equal new_firm, c.firm assert_equal no_of_firms+1, Firm.count # Firm was saved to database. assert_equal no_of_clients+2, Client.count # Clients were saved to database. assert_equal 2, new_firm.clients_of_firm.size assert_equal 2, new_firm.clients_of_firm(true).size end def test_invalid_adding firm = Firm.find(1) assert !(firm.clients_of_firm << c = Client.new) assert c.new_record? assert !firm.save assert c.new_record? end def test_invalid_adding_before_save no_of_firms = Firm.count no_of_clients = Client.count new_firm = Firm.new("name" => "A New Firm, Inc") new_firm.clients_of_firm.concat([c = Client.new, Client.new("name" => "Apple")]) assert c.new_record? assert !c.valid? assert new_firm.valid? assert !new_firm.save assert c.new_record? assert new_firm.new_record? end def test_build new_client = @signals37.clients_of_firm.build("name" => "Another Client") assert_equal "Another Client", new_client.name assert new_client.new_record? assert_equal new_client, @signals37.clients_of_firm.last assert @signals37.save assert !new_client.new_record? assert_equal 2, @signals37.clients_of_firm(true).size end def test_build_many new_clients = @signals37.clients_of_firm.build([{"name" => "Another Client"}, {"name" => "Another Client II"}]) assert_equal 2, new_clients.size assert @signals37.save assert_equal 3, @signals37.clients_of_firm(true).size end def test_invalid_build new_client = @signals37.clients_of_firm.build assert new_client.new_record? assert !new_client.valid? assert_equal new_client, @signals37.clients_of_firm.last assert !@signals37.save assert new_client.new_record? assert_equal 1, @signals37.clients_of_firm(true).size end def test_create force_signal37_to_load_all_clients_of_firm new_client = @signals37.clients_of_firm.create("name" => "Another Client") assert !new_client.new_record? assert_equal new_client, @signals37.clients_of_firm.last assert_equal new_client, @signals37.clients_of_firm(true).last end def test_create_many @signals37.clients_of_firm.create([{"name" => "Another Client"}, {"name" => "Another Client II"}]) assert_equal 3, @signals37.clients_of_firm(true).size end def test_deleting force_signal37_to_load_all_clients_of_firm @signals37.clients_of_firm.delete(@signals37.clients_of_firm.first) assert_equal 0, @signals37.clients_of_firm.size assert_equal 0, @signals37.clients_of_firm(true).size end def test_deleting_before_save new_firm = Firm.new("name" => "A New Firm, Inc.") new_client = new_firm.clients_of_firm.build("name" => "Another Client") assert_equal 1, new_firm.clients_of_firm.size new_firm.clients_of_firm.delete(new_client) assert_equal 0, new_firm.clients_of_firm.size end def test_deleting_a_collection force_signal37_to_load_all_clients_of_firm @signals37.clients_of_firm.create("name" => "Another Client") assert_equal 2, @signals37.clients_of_firm.size #@signals37.clients_of_firm.clear @signals37.clients_of_firm.delete([@signals37.clients_of_firm[0], @signals37.clients_of_firm[1]]) assert_equal 0, @signals37.clients_of_firm.size assert_equal 0, @signals37.clients_of_firm(true).size end def test_deleting_a_association_collection force_signal37_to_load_all_clients_of_firm @signals37.clients_of_firm.create("name" => "Another Client") assert_equal 2, @signals37.clients_of_firm.size @signals37.clients_of_firm.clear assert_equal 0, @signals37.clients_of_firm.size assert_equal 0, @signals37.clients_of_firm(true).size end def test_deleting_a_item_which_is_not_in_the_collection force_signal37_to_load_all_clients_of_firm summit = Client.find_first("name = 'Summit'") @signals37.clients_of_firm.delete(summit) assert_equal 1, @signals37.clients_of_firm.size assert_equal 1, @signals37.clients_of_firm(true).size assert_equal 2, summit.client_of end def test_deleting_type_mismatch david = Developer.find(1) david.projects.reload assert_raises(ActiveRecord::AssociationTypeMismatch) { david.projects.delete(1) } end def test_deleting_self_type_mismatch david = Developer.find(1) david.projects.reload assert_raises(ActiveRecord::AssociationTypeMismatch) { david.projects.delete(Project.find(1).developers) } end def test_destroy_all force_signal37_to_load_all_clients_of_firm assert !@signals37.clients_of_firm.empty?, "37signals has clients after load" @signals37.clients_of_firm.destroy_all assert @signals37.clients_of_firm.empty?, "37signals has no clients after destroy all" assert @signals37.clients_of_firm(true).empty?, "37signals has no clients after destroy all and refresh" end def test_dependence assert_equal 2, Client.find_all.length Firm.find_first.destroy assert_equal 0, Client.find_all.length end def test_three_levels_of_dependence topic = Topic.create "title" => "neat and simple" reply = topic.replies.create "title" => "neat and simple", "content" => "still digging it" silly_reply = reply.silly_replies.create "title" => "neat and simple", "content" => "ain't complaining" assert_nothing_raised { topic.destroy } end def test_dependence_with_transaction_support_on_failure assert_equal 2, Client.find_all.length firm = Firm.find_first clients = firm.clients clients.last.instance_eval { def before_destroy() raise "Trigger rollback" end } firm.destroy rescue "do nothing" assert_equal 2, Client.find_all.length end def test_dependence_on_account assert_equal 2, Account.find_all.length @signals37.destroy assert_equal 1, Account.find_all.length end def test_included_in_collection assert @signals37.clients.include?(Client.find(2)) end def test_adding_array_and_collection assert_nothing_raised { Firm.find_first.clients + Firm.find_all.last.clients } end end class BelongsToAssociationsTest < Test::Unit::TestCase fixtures :accounts, :companies, :developers, :projects, :topics def setup create_fixtures "developers_projects" @signals37 = Firm.find(1) end def test_belongs_to Client.find(3).firm.name assert_equal @signals37.name, Client.find(3).firm.name assert !Client.find(3).firm.nil?, "Microsoft should have a firm" end def test_type_mismatch assert_raise(ActiveRecord::AssociationTypeMismatch) { Account.find(1).firm = 1 } assert_raise(ActiveRecord::AssociationTypeMismatch) { Account.find(1).firm = Project.find(1) } end def test_natural_assignment apple = Firm.create("name" => "Apple") citibank = Account.create("credit_limit" => 10) citibank.firm = apple assert_equal apple.id, citibank.firm_id end def test_natural_assignment_to_nil client = Client.find(3) client.firm = nil client.save assert_nil client.firm(true) assert_nil client.client_of end def test_with_different_class_name assert_equal Company.find(1).name, Company.find(3).firm_with_other_name.name assert_not_nil Company.find(3).firm_with_other_name, "Microsoft should have a firm" end def test_with_condition assert_equal Company.find(1).name, Company.find(3).firm_with_condition.name assert_not_nil Company.find(3).firm_with_condition, "Microsoft should have a firm" end def test_belongs_to_counter debate = Topic.create("title" => "debate") assert_equal 0, debate.send(:read_attribute, "replies_count"), "No replies yet" trash = debate.replies.create("title" => "blah!", "content" => "world around!") assert_equal 1, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply created" trash.destroy assert_equal 0, Topic.find(debate.id).send(:read_attribute, "replies_count"), "First reply deleted" end def test_assignment_before_parent_saved client = Client.find_first apple = Firm.new("name" => "Apple") client.firm = apple assert_equal apple, client.firm assert apple.new_record? assert client.save assert apple.save assert !apple.new_record? assert_equal apple, client.firm assert_equal apple, client.firm(true) end def test_assignment_before_child_saved final_cut = Client.new("name" => "Final Cut") firm = Firm.find(1) final_cut.firm = firm assert final_cut.new_record? assert final_cut.save assert !final_cut.new_record? assert !firm.new_record? assert_equal firm, final_cut.firm assert_equal firm, final_cut.firm(true) end def test_assignment_before_either_saved final_cut = Client.new("name" => "Final Cut") apple = Firm.new("name" => "Apple") final_cut.firm = apple assert final_cut.new_record? assert apple.new_record? assert final_cut.save assert !final_cut.new_record? assert !apple.new_record? assert_equal apple, final_cut.firm assert_equal apple, final_cut.firm(true) end def test_new_record_with_foreign_key_but_no_object c = Client.new("firm_id" => 1) assert_equal @first_firm, c.firm_with_basic_id end def test_forgetting_the_load_when_foreign_key_enters_late c = Client.new assert_nil c.firm_with_basic_id c.firm_id = 1 assert_equal @first_firm, c.firm_with_basic_id end def test_field_name_same_as_foreign_key computer = Computer.find 1 assert_not_nil computer.developer, ":foreign key == attribute didn't lock up" end def xtest_counter_cache apple = Firm.create("name" => "Apple") final_cut = apple.clients.create("name" => "Final Cut") apple.clients.to_s assert_equal 1, apple.clients.size, "Created one client" apple.companies_count = 2 apple.save apple = Firm.find_first("name = 'Apple'") assert_equal 2, apple.clients.size, "Should use the new cached number" apple.clients.to_s assert_equal 1, apple.clients.size, "Should not use the cached number, but go to the database" end end class HasAndBelongsToManyAssociationsTest < Test::Unit::TestCase def setup @accounts, @companies, @developers, @projects, @developers_projects = create_fixtures "accounts", "companies", "developers", "projects", "developers_projects" @signals37 = Firm.find(1) end def test_has_and_belongs_to_many david = Developer.find(1) assert !david.projects.empty? assert_equal 2, david.projects.size active_record = Project.find(1) assert !active_record.developers.empty? assert_equal 2, active_record.developers.size assert_equal david.name, active_record.developers.first.name end def test_adding_single jamis = Developer.find(2) jamis.projects.reload # causing the collection to load action_controller = Project.find(2) assert_equal 1, jamis.projects.size assert_equal 1, action_controller.developers.size jamis.projects << action_controller assert_equal 2, jamis.projects.size assert_equal 2, jamis.projects(true).size assert_equal 2, action_controller.developers(true).size end def test_adding_type_mismatch jamis = Developer.find(2) assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << nil } assert_raise(ActiveRecord::AssociationTypeMismatch) { jamis.projects << 1 } end def test_adding_from_the_project jamis = Developer.find(2) action_controller = Project.find(2) action_controller.developers.reload assert_equal 1, jamis.projects.size assert_equal 1, action_controller.developers.size action_controller.developers << jamis assert_equal 2, jamis.projects(true).size assert_equal 2, action_controller.developers.size assert_equal 2, action_controller.developers(true).size end def test_adding_multiple aredridel = Developer.new("name" => "Aridridel") aredridel.save aredridel.projects.reload aredridel.projects.push(Project.find(1), Project.find(2)) assert_equal 2, aredridel.projects.size assert_equal 2, aredridel.projects(true).size end def test_adding_a_collection aredridel = Developer.new("name" => "Aridridel") aredridel.save aredridel.projects.reload aredridel.projects.concat([Project.find(1), Project.find(2)]) assert_equal 2, aredridel.projects.size assert_equal 2, aredridel.projects(true).size end def test_habtm_adding_before_save no_of_devels = Developer.count no_of_projects = Project.count aredridel = Developer.new("name" => "Aridridel") aredridel.projects.concat([Project.find(1), p = Project.new("name" => "Projekt")]) assert aredridel.new_record? assert p.new_record? assert aredridel.save assert !aredridel.new_record? assert_equal no_of_devels+1, Developer.count assert_equal no_of_projects+1, Project.count assert_equal 2, aredridel.projects.size assert_equal 2, aredridel.projects(true).size end def test_habtm_adding_before_save_with_join_attributes no_of_devels = Developer.count no_of_projects = Project.count now = Date.today ken = Developer.new("name" => "Ken") ken.projects.push_with_attributes( Project.find(1), :joined_on => now ) p = Project.new("name" => "Foomatic") ken.projects.push_with_attributes( p, :joined_on => now ) assert ken.new_record? assert p.new_record? assert ken.save assert !ken.new_record? assert_equal no_of_devels+1, Developer.count assert_equal no_of_projects+1, Project.count assert_equal 2, ken.projects.size assert_equal 2, ken.projects(true).size kenReloaded = Developer.find_by_name 'Ken' kenReloaded.projects.each { |prj| assert_equal(now.to_s, prj.joined_on.to_s) } end def test_build devel = Developer.find(1) proj = devel.projects.build("name" => "Projekt") assert_equal devel.projects.last, proj assert proj.new_record? devel.save assert !proj.new_record? assert_equal devel.projects.last, proj end def test_create devel = Developer.find(1) proj = devel.projects.create("name" => "Projekt") assert_equal devel.projects.last, proj assert !proj.new_record? end def test_uniq_after_the_fact @developers["jamis"].find.projects << @projects["active_record"].find @developers["jamis"].find.projects << @projects["active_record"].find assert_equal 3, @developers["jamis"].find.projects.size assert_equal 1, @developers["jamis"].find.projects.uniq.size end def test_uniq_before_the_fact @projects["active_record"].find.developers << @developers["jamis"].find @projects["active_record"].find.developers << @developers["david"].find assert_equal 2, @projects["active_record"].find.developers.size end def test_deleting david = Developer.find(1) active_record = Project.find(1) david.projects.reload assert_equal 2, david.projects.size assert_equal 2, active_record.developers.size david.projects.delete(active_record) assert_equal 1, david.projects.size assert_equal 1, david.projects(true).size assert_equal 1, active_record.developers(true).size end def test_deleting_array david = Developer.find(1) david.projects.reload david.projects.delete(Project.find_all) assert_equal 0, david.projects.size assert_equal 0, david.projects(true).size end def test_deleting_all david = Developer.find(1) david.projects.reload david.projects.clear assert_equal 0, david.projects.size assert_equal 0, david.projects(true).size end def test_removing_associations_on_destroy Developer.find(1).destroy assert Developer.connection.select_all("SELECT * FROM developers_projects WHERE developer_id = 1").empty? end def test_additional_columns_from_join_table assert_equal Date.new(2004, 10, 10).to_s, Developer.find(1).projects.first.joined_on.to_s end def test_destroy_all david = Developer.find(1) david.projects.reload assert !david.projects.empty? david.projects.destroy_all assert david.projects.empty? assert david.projects(true).empty? end def test_rich_association @jamis = @developers["jamis"].find @jamis.projects.push_with_attributes(@projects["action_controller"].find, :joined_on => Date.today) assert_equal Date.today.to_s, @jamis.projects.select { |p| p.name == @projects["action_controller"]["name"] }.first.joined_on.to_s assert_equal Date.today.to_s, @developers["jamis"].find.projects.select { |p| p.name == @projects["action_controller"]["name"] }.first.joined_on.to_s end def test_associations_with_conditions assert_equal 2, @projects["active_record"].find.developers.size assert_equal 1, @projects["active_record"].find.developers_named_david.size @projects["active_record"].find.developers_named_david.clear assert_equal 1, @projects["active_record"].find.developers.size end def test_find_in_association # Using sql assert_equal @developers["david"].find, @projects["active_record"].find.developers.find(@developers["david"]["id"]), "SQL find" # Using ruby @active_record = @projects["active_record"].find @active_record.developers.reload assert_equal @developers["david"].find, @active_record.developers.find(@developers["david"]["id"]), "Ruby find" end end