JezK
Edit File: inheritance_test.rb
require "cases/helper" require 'models/company' require 'models/project' require 'models/subscriber' class InheritanceTest < ActiveRecord::TestCase fixtures :companies, :projects, :subscribers, :accounts def test_class_with_store_full_sti_class_returns_full_name old = ActiveRecord::Base.store_full_sti_class ActiveRecord::Base.store_full_sti_class = true assert_equal 'Namespaced::Company', Namespaced::Company.sti_name ensure ActiveRecord::Base.store_full_sti_class = old end def test_class_without_store_full_sti_class_returns_demodulized_name old = ActiveRecord::Base.store_full_sti_class ActiveRecord::Base.store_full_sti_class = false assert_equal 'Company', Namespaced::Company.sti_name ensure ActiveRecord::Base.store_full_sti_class = old end def test_should_store_demodulized_class_name_with_store_full_sti_class_option_disabled old = ActiveRecord::Base.store_full_sti_class ActiveRecord::Base.store_full_sti_class = false item = Namespaced::Company.new assert_equal 'Company', item[:type] ensure ActiveRecord::Base.store_full_sti_class = old end def test_should_store_full_class_name_with_store_full_sti_class_option_enabled old = ActiveRecord::Base.store_full_sti_class ActiveRecord::Base.store_full_sti_class = true item = Namespaced::Company.new assert_equal 'Namespaced::Company', item[:type] ensure ActiveRecord::Base.store_full_sti_class = old end def test_different_namespace_subclass_should_load_correctly_with_store_full_sti_class_option old = ActiveRecord::Base.store_full_sti_class ActiveRecord::Base.store_full_sti_class = true item = Namespaced::Company.create :name => "Wolverine 2" assert_not_nil Company.find(item.id) assert_not_nil Namespaced::Company.find(item.id) ensure ActiveRecord::Base.store_full_sti_class = old end def test_company_descends_from_active_record assert_raise(NoMethodError) { ActiveRecord::Base.descends_from_active_record? } assert AbstractCompany.descends_from_active_record?, 'AbstractCompany should descend from ActiveRecord::Base' assert Company.descends_from_active_record?, 'Company should descend from ActiveRecord::Base' assert !Class.new(Company).descends_from_active_record?, 'Company subclass should not descend from ActiveRecord::Base' end def test_a_bad_type_column #SQLServer need to turn Identity Insert On before manually inserting into the Identity column if current_adapter?(:SybaseAdapter) Company.connection.execute "SET IDENTITY_INSERT companies ON" end Company.connection.insert "INSERT INTO companies (id, #{QUOTED_TYPE}, name) VALUES(100, 'bad_class!', 'Not happening')" #We then need to turn it back Off before continuing. if current_adapter?(:SybaseAdapter) Company.connection.execute "SET IDENTITY_INSERT companies OFF" end assert_raise(ActiveRecord::SubclassNotFound) { Company.find(100) } end def test_inheritance_find assert Company.find(1).kind_of?(Firm), "37signals should be a firm" assert Firm.find(1).kind_of?(Firm), "37signals should be a firm" assert Company.find(2).kind_of?(Client), "Summit should be a client" assert Client.find(2).kind_of?(Client), "Summit should be a client" end def test_alt_inheritance_find switch_to_alt_inheritance_column test_inheritance_find switch_to_default_inheritance_column end def test_inheritance_find_all companies = Company.find(:all, :order => 'id') assert companies[0].kind_of?(Firm), "37signals should be a firm" assert companies[1].kind_of?(Client), "Summit should be a client" end def test_alt_inheritance_find_all switch_to_alt_inheritance_column test_inheritance_find_all switch_to_default_inheritance_column end def test_inheritance_save firm = Firm.new firm.name = "Next Angle" firm.save next_angle = Company.find(firm.id) assert next_angle.kind_of?(Firm), "Next Angle should be a firm" end def test_alt_inheritance_save switch_to_alt_inheritance_column test_inheritance_save switch_to_default_inheritance_column end def test_inheritance_condition assert_equal 9, Company.count assert_equal 2, Firm.count assert_equal 3, Client.count end def test_alt_inheritance_condition switch_to_alt_inheritance_column test_inheritance_condition switch_to_default_inheritance_column end def test_finding_incorrect_type_data assert_raise(ActiveRecord::RecordNotFound) { Firm.find(2) } assert_nothing_raised { Firm.find(1) } end def test_alt_finding_incorrect_type_data switch_to_alt_inheritance_column test_finding_incorrect_type_data switch_to_default_inheritance_column end def test_update_all_within_inheritance Client.update_all "name = 'I am a client'" assert_equal "I am a client", Client.find(:all).first.name assert_equal "37signals", Firm.find(:all).first.name end def test_alt_update_all_within_inheritance switch_to_alt_inheritance_column test_update_all_within_inheritance switch_to_default_inheritance_column end def test_destroy_all_within_inheritance Client.destroy_all assert_equal 0, Client.count assert_equal 2, Firm.count end def test_alt_destroy_all_within_inheritance switch_to_alt_inheritance_column test_destroy_all_within_inheritance switch_to_default_inheritance_column end def test_find_first_within_inheritance assert_kind_of Firm, Company.find(:first, :conditions => "name = '37signals'") assert_kind_of Firm, Firm.find(:first, :conditions => "name = '37signals'") assert_nil Client.find(:first, :conditions => "name = '37signals'") end def test_alt_find_first_within_inheritance switch_to_alt_inheritance_column test_find_first_within_inheritance switch_to_default_inheritance_column end def test_complex_inheritance very_special_client = VerySpecialClient.create("name" => "veryspecial") assert_equal very_special_client, VerySpecialClient.find(:first, :conditions => "name = 'veryspecial'") assert_equal very_special_client, SpecialClient.find(:first, :conditions => "name = 'veryspecial'") assert_equal very_special_client, Company.find(:first, :conditions => "name = 'veryspecial'") assert_equal very_special_client, Client.find(:first, :conditions => "name = 'veryspecial'") assert_equal 1, Client.find(:all, :conditions => "name = 'Summit'").size assert_equal very_special_client, Client.find(very_special_client.id) end def test_alt_complex_inheritance switch_to_alt_inheritance_column test_complex_inheritance switch_to_default_inheritance_column end def test_eager_load_belongs_to_something_inherited account = Account.find(1, :include => :firm) assert_not_nil account.instance_variable_get("@firm"), "nil proves eager load failed" end def test_eager_load_belongs_to_primary_key_quoting con = Account.connection assert_sql(/\(#{con.quote_table_name('companies')}.#{con.quote_column_name('id')} = 1\)/) do Account.find(1, :include => :firm) end end def test_alt_eager_loading switch_to_alt_inheritance_column test_eager_load_belongs_to_something_inherited switch_to_default_inheritance_column end def test_inheritance_without_mapping assert_kind_of SpecialSubscriber, SpecialSubscriber.find("webster132") assert_nothing_raised { s = SpecialSubscriber.new("name" => "And breaaaaathe!"); s.id = 'roger'; s.save } end private def switch_to_alt_inheritance_column # we don't want misleading test results, so get rid of the values in the type column Company.find(:all, :order => 'id').each do |c| c['type'] = nil c.save end [ Company, Firm, Client].each { |klass| klass.reset_column_information } Company.set_inheritance_column('ruby_type') end def switch_to_default_inheritance_column [ Company, Firm, Client].each { |klass| klass.reset_column_information } Company.set_inheritance_column('type') end end class InheritanceComputeTypeTest < ActiveRecord::TestCase fixtures :companies def setup ActiveSupport::Dependencies.log_activity = true end def teardown ActiveSupport::Dependencies.log_activity = false self.class.const_remove :FirmOnTheFly rescue nil Firm.const_remove :FirmOnTheFly rescue nil end def test_instantiation_doesnt_try_to_require_corresponding_file foo = Firm.find(:first).clone foo.ruby_type = foo.type = 'FirmOnTheFly' foo.save! # Should fail without FirmOnTheFly in the type condition. assert_raise(ActiveRecord::RecordNotFound) { Firm.find(foo.id) } # Nest FirmOnTheFly in the test case where Dependencies won't see it. self.class.const_set :FirmOnTheFly, Class.new(Firm) assert_raise(ActiveRecord::SubclassNotFound) { Firm.find(foo.id) } # Nest FirmOnTheFly in Firm where Dependencies will see it. # This is analogous to nesting models in a migration. Firm.const_set :FirmOnTheFly, Class.new(Firm) # And instantiate will find the existing constant rather than trying # to require firm_on_the_fly. assert_nothing_raised { assert_kind_of Firm::FirmOnTheFly, Firm.find(foo.id) } end end