1 * listener.onDiscovered(d)
        0 * listener.onDiscovered(_)
    }

    def "listener can add listeners when node added"() {
        def listener1 = allAcceptingListener()
        def listener2 = allAcceptingListener()
        def listener3 = allAcceptingListener()
        def a = node("a")
        def b = node("b")

        given:
        listener2.getPath() >> b.path
        listener3.getPath() >> b.path