when:
        repository.each(cl)

        then:
        1 * cl.call(['class1', value1] as Object[])
        1 * cl.call(['class2', value2] as Object[])
        0 * cl._
    }

    def canIterateOverClassesUsingAction() {
        TestDomainObject value1 = new TestDomainObject('a')
        TestDomainObject value2 = new TestDomainObject('a')
        repository.put('class1', value1)
        repository.put('class2', value2)