require_relative '../../spec_helper' require_relative 'fixtures/classes' describe "Observer#count_observers" do before :each do @observable = ObservableSpecs.new @observer = ObserverCallbackSpecs.new @observer2 = ObserverCallbackSpecs.new end it "returns the number of observers" do @observable.count_observers.should == 0 @observable.add_observer(@observer) @observable.count_observers.should == 1 @observable.add_observer(@observer2) @observable.count_observers.should == 2 end it "returns the number of unique observers" do 2.times { @observable.add_observer(@observer) } @observable.count_observers.should == 1 end end