JezK
Edit File: reflection_test.rb
require "cases/helper" require 'models/topic' require 'models/customer' require 'models/company' require 'models/company_in_module' require 'models/subscriber' class ReflectionTest < ActiveRecord::TestCase fixtures :topics, :customers, :companies, :subscribers def setup @first = Topic.find(1) 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_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 content_columns = Topic.content_columns content_column_names = content_columns.map {|column| column.name} assert_equal 8, content_columns.length assert_equal %w(title author_name author_email_address written_on bonus_time last_read content approved).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 = ActiveRecord::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 = 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 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_has_many_reflection reflection_for_clients = ActiveRecord::Reflection::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 = ActiveRecord::Reflection::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 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' end def test_reflection_of_all_associations # FIXME these assertions bust a lot assert_equal 22, Firm.reflect_on_all_associations.size assert_equal 17, Firm.reflect_on_all_associations(:has_many).size assert_equal 5, Firm.reflect_on_all_associations(:has_one).size assert_equal 0, Firm.reflect_on_all_associations(:belongs_to).size 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