require File.expand_path('../../../spec_helper', __FILE__) require File.join(FIXTURE_PATH, 'more', 'card') class Car < CouchRest::ExtendedDocument use_database TEST_SERVER.default_database property :name property :driver, :cast_as => 'Driver' end class Driver < CouchRest::ExtendedDocument use_database TEST_SERVER.default_database # You have to add a casted_by accessor if you want to reach a casted extended doc parent attr_accessor :casted_by property :name end describe "casting an extended document" do before(:each) do @driver = Driver.new(:name => 'Matt') @car = Car.new(:name => 'Renault 306', :driver => @driver) end it "should retain all properties of the casted attribute" do @car.driver.should == @driver end it "should let the casted document know who casted it" do @car.driver.casted_by.should == @car end end describe "assigning a value to casted attribute after initializing an object" do before(:each) do @car = Car.new(:name => 'Renault 306') @driver = Driver.new(:name => 'Matt') end it "should not create an empty casted object" do @car.driver.should be_nil end # Note that this isn't casting the attribute, it's just assigning it a value # (see "should not cast attribute") it "should let you assign the value" do @car.driver = @driver @car.driver.name.should == 'Matt' end it "should not cast attribute" do @car.driver = JSON.parse(JSON.generate(@driver)) @car.driver.should_not be_instance_of(Driver) end end describe "casting an extended document from parsed JSON" do before(:each) do @driver = Driver.new(:name => 'Matt') @car = Car.new(:name => 'Renault 306', :driver => @driver) @new_car = Car.new(JSON.parse(JSON.generate(@car))) end it "should cast casted attribute" do @new_car.driver.should be_instance_of(Driver) end it "should retain all properties of the casted attribute" do @new_car.driver.should == @driver end end