require "cases/helper" require 'models/topic' require 'models/customer' require 'models/company' require 'models/company_in_module' require 'models/subscriber' require 'models/ship' require 'models/pirate' require 'models/price_estimate' class ReflectionTest < ActiveRecord::TestCase include ActiveRecord::Reflection fixtures :topics, :customers, :companies, :subscribers, :price_estimates def setup @first = Topic.find(1) end def test_human_name assert_equal "Price estimate", PriceEstimate.model_name.human assert_equal "Subscriber", Subscriber.model_name.human end def test_read_attribute_names assert_equal( %w( id title author_name author_email_address bonus_time written_on last_read content approved replies_count parent_id parent_title type ).sort, @first.attribute_names ) end def test_columns assert_equal 13, Topic.columns.length end def test_columns_are_returned_in_the_order_they_were_declared column_names = Topic.columns.map { |column| column.name } assert_equal %w(id title author_name author_email_address written_on bonus_time last_read content approved replies_count parent_id parent_title type), column_names end def test_content_columns content_columns = Topic.content_columns content_column_names = content_columns.map {|column| column.name} assert_equal 9, content_columns.length assert_equal %w(title author_name author_email_address written_on bonus_time last_read content approved parent_title).sort, content_column_names.sort end def test_column_string_type_and_limit assert_equal :string, @first.column_for_attribute("title").type assert_equal 255, @first.column_for_attribute("title").limit end def test_column_null_not_null subscriber = Subscriber.find(:first) assert subscriber.column_for_attribute("name").null assert !subscriber.column_for_attribute("nick").null end def test_human_name_for_column assert_equal "Author name", @first.column_for_attribute("author_name").human_name end def test_integer_columns assert_equal :integer, @first.column_for_attribute("id").type end def test_reflection_klass_for_nested_class_name reflection = MacroReflection.new(nil, nil, { :class_name => 'MyApplication::Business::Company' }, nil) assert_nothing_raised do assert_equal MyApplication::Business::Company, reflection.klass end end def test_aggregation_reflection reflection_for_address = AggregateReflection.new( :composed_of, :address, { :mapping => [ %w(address_street street), %w(address_city city), %w(address_country country) ] }, Customer ) reflection_for_balance = AggregateReflection.new( :composed_of, :balance, { :class_name => "Money", :mapping => %w(balance amount) }, Customer ) reflection_for_gps_location = AggregateReflection.new( :composed_of, :gps_location, { }, Customer ) assert Customer.reflect_on_all_aggregations.include?(reflection_for_gps_location) assert Customer.reflect_on_all_aggregations.include?(reflection_for_balance) assert Customer.reflect_on_all_aggregations.include?(reflection_for_address) assert_equal reflection_for_address, Customer.reflect_on_aggregation(:address) assert_equal Address, Customer.reflect_on_aggregation(:address).klass assert_equal Money, Customer.reflect_on_aggregation(:balance).klass end def test_reflect_on_all_autosave_associations expected = Pirate.reflect_on_all_associations.select { |r| r.options[:autosave] } received = Pirate.reflect_on_all_autosave_associations assert !received.empty? assert_not_equal Pirate.reflect_on_all_associations.length, received.length assert_equal expected, received end def test_has_many_reflection reflection_for_clients = AssociationReflection.new(:has_many, :clients, { :order => "id", :dependent => :destroy }, Firm) assert_equal reflection_for_clients, Firm.reflect_on_association(:clients) assert_equal Client, Firm.reflect_on_association(:clients).klass assert_equal 'companies', Firm.reflect_on_association(:clients).table_name assert_equal Client, Firm.reflect_on_association(:clients_of_firm).klass assert_equal 'companies', Firm.reflect_on_association(:clients_of_firm).table_name end def test_has_one_reflection reflection_for_account = AssociationReflection.new(:has_one, :account, { :foreign_key => "firm_id", :dependent => :destroy }, Firm) assert_equal reflection_for_account, Firm.reflect_on_association(:account) assert_equal Account, Firm.reflect_on_association(:account).klass assert_equal 'accounts', Firm.reflect_on_association(:account).table_name end def test_belongs_to_inferred_foreign_key_from_assoc_name Company.belongs_to :foo assert_equal "foo_id", Company.reflect_on_association(:foo).primary_key_name Company.belongs_to :bar, :class_name => "Xyzzy" assert_equal "bar_id", Company.reflect_on_association(:bar).primary_key_name Company.belongs_to :baz, :class_name => "Xyzzy", :foreign_key => "xyzzy_id" assert_equal "xyzzy_id", Company.reflect_on_association(:baz).primary_key_name end def test_association_reflection_in_modules ActiveRecord::Base.store_full_sti_class = false assert_reflection MyApplication::Business::Firm, :clients_of_firm, :klass => MyApplication::Business::Client, :class_name => 'Client', :table_name => 'companies' assert_reflection MyApplication::Billing::Account, :firm, :klass => MyApplication::Business::Firm, :class_name => 'MyApplication::Business::Firm', :table_name => 'companies' assert_reflection MyApplication::Billing::Account, :qualified_billing_firm, :klass => MyApplication::Billing::Firm, :class_name => 'MyApplication::Billing::Firm', :table_name => 'companies' assert_reflection MyApplication::Billing::Account, :unqualified_billing_firm, :klass => MyApplication::Billing::Firm, :class_name => 'Firm', :table_name => 'companies' assert_reflection MyApplication::Billing::Account, :nested_qualified_billing_firm, :klass => MyApplication::Billing::Nested::Firm, :class_name => 'MyApplication::Billing::Nested::Firm', :table_name => 'companies' assert_reflection MyApplication::Billing::Account, :nested_unqualified_billing_firm, :klass => MyApplication::Billing::Nested::Firm, :class_name => 'Nested::Firm', :table_name => 'companies' ensure ActiveRecord::Base.store_full_sti_class = true end def test_reflection_of_all_associations # FIXME these assertions bust a lot assert_equal 37, Firm.reflect_on_all_associations.size assert_equal 27, Firm.reflect_on_all_associations(:has_many).size assert_equal 10, Firm.reflect_on_all_associations(:has_one).size assert_equal 0, Firm.reflect_on_all_associations(:belongs_to).size end def test_reflection_should_not_raise_error_when_compared_to_other_object assert_nothing_raised { Firm.reflections[:clients] == Object.new } end def test_has_many_through_reflection assert_kind_of ThroughReflection, Subscriber.reflect_on_association(:books) end def test_collection_association assert Pirate.reflect_on_association(:birds).collection? assert Pirate.reflect_on_association(:parrots).collection? assert !Pirate.reflect_on_association(:ship).collection? assert !Ship.reflect_on_association(:pirate).collection? end def test_default_association_validation assert AssociationReflection.new(:has_many, :clients, {}, Firm).validate? assert !AssociationReflection.new(:has_one, :client, {}, Firm).validate? assert !AssociationReflection.new(:belongs_to, :client, {}, Firm).validate? assert !AssociationReflection.new(:has_and_belongs_to_many, :clients, {}, Firm).validate? end def test_always_validate_association_if_explicit assert AssociationReflection.new(:has_one, :client, { :validate => true }, Firm).validate? assert AssociationReflection.new(:belongs_to, :client, { :validate => true }, Firm).validate? assert AssociationReflection.new(:has_many, :clients, { :validate => true }, Firm).validate? assert AssociationReflection.new(:has_and_belongs_to_many, :clients, { :validate => true }, Firm).validate? end def test_validate_association_if_autosave assert AssociationReflection.new(:has_one, :client, { :autosave => true }, Firm).validate? assert AssociationReflection.new(:belongs_to, :client, { :autosave => true }, Firm).validate? assert AssociationReflection.new(:has_many, :clients, { :autosave => true }, Firm).validate? assert AssociationReflection.new(:has_and_belongs_to_many, :clients, { :autosave => true }, Firm).validate? end def test_never_validate_association_if_explicit assert !AssociationReflection.new(:has_one, :client, { :autosave => true, :validate => false }, Firm).validate? assert !AssociationReflection.new(:belongs_to, :client, { :autosave => true, :validate => false }, Firm).validate? assert !AssociationReflection.new(:has_many, :clients, { :autosave => true, :validate => false }, Firm).validate? assert !AssociationReflection.new(:has_and_belongs_to_many, :clients, { :autosave => true, :validate => false }, Firm).validate? end private def assert_reflection(klass, association, options) assert reflection = klass.reflect_on_association(association) options.each do |method, value| assert_equal(value, reflection.send(method)) end end end