--- /dev/null
+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 26, Firm.reflect_on_all_associations.size
+ assert_equal 20, Firm.reflect_on_all_associations(:has_many).size
+ assert_equal 6, 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 ActiveRecord::Reflection::ThroughReflection, Subscriber.reflect_on_association(:books)
+ 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
projects / depot.git / blobdiff