require 'abstract_unit' require 'fixtures/topic' require 'fixtures/customer' require 'fixtures/company' require 'fixtures/company_in_module' class ReflectionTest < Test::Unit::TestCase fixtures :topics, :customers, :companies def setup @first = Topic.find(1) 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 type ).sort, @first.attribute_names ) end def test_columns assert_equal 12, 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 type), column_names end def test_content_columns assert_equal 8, Topic.content_columns.length 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_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_aggregation_reflection reflection_for_address = ActiveRecord::Reflection::AggregateReflection.new( :composed_of, :address, { :mapping => [ %w(address_street street), %w(address_city city), %w(address_country country) ] }, Customer ) reflection_for_balance = ActiveRecord::Reflection::AggregateReflection.new( :composed_of, :balance, { :class_name => "Money", :mapping => %w(balance amount) }, Customer ) reflection_for_gps_location = ActiveRecord::Reflection::AggregateReflection.new( :composed_of, :gps_location, { }, Customer ) assert_equal( [ reflection_for_address, reflection_for_balance, reflection_for_gps_location ], Customer.reflect_on_all_aggregations ) assert_equal reflection_for_address, Customer.reflect_on_aggregation(:address) assert_equal Address, Customer.reflect_on_aggregation(:address).klass end def test_has_many_reflection reflection_for_clients = ActiveRecord::Reflection::AssociationReflection.new(:has_many, :clients, { :order => "id", :dependent => true }, 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 = ActiveRecord::Reflection::AssociationReflection.new(:has_one, :account, { :foreign_key => "firm_id", :dependent => true }, 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_association_reflection_in_modules assert_equal MyApplication::Business::Client, MyApplication::Business::Firm.reflect_on_association(:clients_of_firm).klass assert_equal MyApplication::Business::Firm, MyApplication::Billing::Account.reflect_on_association(:firm).klass end end