@Test
public void testExportImportWithBalancerOffOption() throws Exception {

    String expFileName = "export_test.exp";
    boolean balancerRunning = false;
    // invalid export
    try {
        balancerRunning = false;
        String[] argsParam = {"zookeeper", "export", expFileName};
        Args args = new ManagerArgs(argsParam);
        Assign command = new Assign(admin, args);
        balancerRunning = admin.setBalancerRunning(true, true);
        command.run();
        fail();
    } catch (IllegalStateException e) {
        if (!e.getMessage().contains(AssignAction.MESSAGE_TURN_BALANCER_OFF))
            throw e;
    } finally {
        if (balancerRunning)
            admin.setBalancerRunning(true, true);
    }
    // valid export
    try {
        balancerRunning = false;
        String[] argsParam = {"zookeeper", "export", expFileName, "--" + Args.OPTION_TURN_BALANCER_OFF,
            "--skip-export", "--force-proceed"};
        Args args = new ManagerArgs(argsParam);
        Assign command = new Assign(admin, args);
        balancerRunning = admin.setBalancerRunning(true, true);
        command.run();
    } finally {
        if (balancerRunning)
            admin.setBalancerRunning(true, true);
    }
    // invalid import
    try {
        balancerRunning = false;
        String[] argsParam = {"zookeeper", "import", expFileName};
        Args args = new ManagerArgs(argsParam);
        Assign command = new Assign(admin, args);
        balancerRunning = admin.setBalancerRunning(true, true);
        command.run();
        fail();
    } catch (IllegalStateException e) {
        if (!e.getMessage().contains(AssignAction.MESSAGE_TURN_BALANCER_OFF))
            throw e;
    } finally {
        if (balancerRunning)
            admin.setBalancerRunning(true, true);
    }
    // valid import
    try {
        balancerRunning = false;
        String[] argsParam = {"zookeeper", "import", expFileName, "--" + Args.OPTION_TURN_BALANCER_OFF,
            "--skip-export", "--force-proceed"};
        Args args = new ManagerArgs(argsParam);
        Assign command = new Assign(admin, args);
        balancerRunning = admin.setBalancerRunning(true, true);
        command.run();
    } finally {
        if (balancerRunning)
            admin.setBalancerRunning(true, true);
    }
}