JezK
Edit File: has_one_associations_test.rb
require "cases/helper" require 'models/developer' require 'models/project' require 'models/company' class HasOneAssociationsTest < ActiveRecord::TestCase fixtures :accounts, :companies, :developers, :projects, :developers_projects def setup Account.destroyed_account_ids.clear end def test_has_one assert_equal companies(:first_firm).account, Account.find(1) assert_equal Account.find(1).credit_limit, companies(:first_firm).account.credit_limit end def test_has_one_cache_nils firm = companies(:another_firm) assert_queries(1) { assert_nil firm.account } assert_queries(0) { assert_nil firm.account } firms = Firm.find(:all, :include => :account) assert_queries(0) { firms.each(&:account) } end def test_with_select assert_equal Firm.find(1).account_with_select.attributes.size, 2 assert_equal Firm.find(1, :include => :account_with_select).account_with_select.attributes.size, 2 end def test_finding_using_primary_key firm = companies(:first_firm) assert_equal Account.find_by_firm_id(firm.id), firm.account firm.firm_id = companies(:rails_core).id assert_equal accounts(:rails_core_account), firm.account_using_primary_key end def test_can_marshal_has_one_association_with_nil_target firm = Firm.new assert_nothing_raised do assert_equal firm.attributes, Marshal.load(Marshal.dump(firm)).attributes end firm.account assert_nothing_raised do assert_equal firm.attributes, Marshal.load(Marshal.dump(firm)).attributes end end def test_proxy_assignment company = companies(:first_firm) assert_nothing_raised { company.account = company.account } end def test_triple_equality assert Account === companies(:first_firm).account assert companies(:first_firm).account === Account end def test_type_mismatch assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).account = 1 } assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).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 = companies(:first_firm).account.id companies(:first_firm).account = nil companies(:first_firm).save assert_nil companies(:first_firm).account # account is dependent, therefore is destroyed when reference to owner is lost assert_raise(ActiveRecord::RecordNotFound) { Account.find(old_account_id) } end def test_nullification_on_association_change firm = companies(:rails_core) old_account_id = firm.account.id firm.account = Account.new # account is dependent with nullify, therefore its firm_id should be nil assert_nil Account.find(old_account_id).firm_id end def test_association_changecalls_delete companies(:first_firm).deletable_account = Account.new assert_equal [], Account.destroyed_account_ids[companies(:first_firm).id] end def test_association_change_calls_destroy companies(:first_firm).account = Account.new assert_equal [companies(:first_firm).id], Account.destroyed_account_ids[companies(:first_firm).id] end def test_natural_assignment_to_already_associated_record company = companies(:first_firm) account = accounts(:signals37) assert_equal company.account, account company.account = account company.reload account.reload assert_equal company.account, account end def test_assignment_without_replacement apple = Firm.create("name" => "Apple") citibank = Account.create("credit_limit" => 10) apple.account = citibank assert_equal apple.id, citibank.firm_id hsbc = apple.build_account({ :credit_limit => 20}, false) assert_equal apple.id, hsbc.firm_id hsbc.save assert_equal apple.id, citibank.firm_id nykredit = apple.create_account({ :credit_limit => 30}, false) assert_equal apple.id, nykredit.firm_id assert_equal apple.id, citibank.firm_id assert_equal apple.id, hsbc.firm_id end def test_assignment_without_replacement_on_create apple = Firm.create("name" => "Apple") citibank = Account.create("credit_limit" => 10) apple.account = citibank assert_equal apple.id, citibank.firm_id hsbc = apple.create_account({:credit_limit => 10}, false) assert_equal apple.id, hsbc.firm_id hsbc.save assert_equal apple.id, citibank.firm_id end def test_dependence num_accounts = Account.count firm = Firm.find(1) assert !firm.account.nil? account_id = firm.account.id assert_equal [], Account.destroyed_account_ids[firm.id] firm.destroy assert_equal num_accounts - 1, Account.count assert_equal [account_id], Account.destroyed_account_ids[firm.id] end def test_exclusive_dependence num_accounts = Account.count firm = ExclusivelyDependentFirm.find(9) assert !firm.account.nil? account_id = firm.account.id assert_equal [], Account.destroyed_account_ids[firm.id] firm.destroy assert_equal num_accounts - 1, Account.count assert_equal [], Account.destroyed_account_ids[firm.id] end def test_dependence_with_nil_associate firm = DependentFirm.new(:name => 'nullify') firm.save! assert_nothing_raised { firm.destroy } end def test_succesful_build_association firm = Firm.new("name" => "GlobalMegaCorp") firm.save account = firm.build_account("credit_limit" => 1000) assert account.save assert_equal account, firm.account end def test_failing_build_association firm = Firm.new("name" => "GlobalMegaCorp") firm.save account = firm.build_account assert !account.save assert_equal "can't be empty", account.errors.on("credit_limit") end def test_build_association_twice_without_saving_affects_nothing count_of_account = Account.count firm = Firm.find(:first) account1 = firm.build_account("credit_limit" => 1000) account2 = firm.build_account("credit_limit" => 2000) assert_equal count_of_account, Account.count end def test_create_association firm = Firm.create(:name => "GlobalMegaCorp") account = firm.create_account(:credit_limit => 1000) assert_equal account, firm.reload.account 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_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_dependence_with_missing_association_and_nullify Account.destroy_all firm = DependentFirm.find(:first) assert firm.account.nil? firm.destroy end def test_finding_with_interpolated_condition firm = Firm.find(:first) superior = firm.clients.create(:name => 'SuperiorCo') superior.rating = 10 superior.save assert_equal 10, firm.clients_with_interpolated_conditions.first.rating 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_save_still_works_after_accessing_nil_has_one jp = Company.new :name => 'Jaded Pixel' jp.dummy_account.nil? assert_nothing_raised do jp.save! end end def test_cant_save_readonly_association assert_raise(ActiveRecord::ReadOnlyRecord) { companies(:first_firm).readonly_account.save! } assert companies(:first_firm).readonly_account.readonly? end def test_has_one_proxy_should_not_respond_to_private_methods assert_raise(NoMethodError) { accounts(:signals37).private_method } assert_raise(NoMethodError) { companies(:first_firm).account.private_method } end def test_has_one_proxy_should_respond_to_private_methods_via_send accounts(:signals37).send(:private_method) companies(:first_firm).account.send(:private_method) end def test_save_of_record_with_loaded_has_one @firm = companies(:first_firm) assert_not_nil @firm.account assert_nothing_raised do Firm.find(@firm.id).save! Firm.find(@firm.id, :include => :account).save! end @firm.account.destroy assert_nothing_raised do Firm.find(@firm.id).save! Firm.find(@firm.id, :include => :account).save! end end end