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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
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