@Test

    public void test() {

        KieServices kieServices = KieServices.Factory.get();

        KieResources resources = kieServices.getResources();

        KieModuleModel kieModuleModel = kieServices.newKieModuleModel();//

        KieBaseModel baseModel = kieModuleModel.newKieBaseModel(

                "FileSystemKBase").addPackage("rules");//

        baseModel.newKieSessionModel("FileSystemKSession");//

        KieFileSystem fileSystem = kieServices.newKieFileSystem();

        String xml = kieModuleModel.toXML();

        System.out.println(xml);//

        fileSystem.writeKModuleXML(xml);//

        fileSystem.write("src/main/resources/rules/rule.drl", resources

                .newClassPathResource("kiefilesystem/KieFileSystemTest.drl"));//

        KieBuilder kb = kieServices.newKieBuilder(fileSystem);

        kb.buildAll();//

        if (kb.getResults().hasMessages(Level.ERROR)) {

            throw new RuntimeException("Build Errors:\n"

                    + kb.getResults().toString());

        }

        KieContainer kContainer = kieServices.newKieContainer(kieServices

                .getRepository().getDefaultReleaseId());

        assertNotNull(kContainer.getKieBase("FileSystemKBase"));

        KieSession kSession = kContainer.newKieSession("FileSystemKSession");

        kSession.fireAllRules();

    }

}