@Override
    public DBDef assistCurrentDBDef() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public DataSource assistDataSource() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public DBMetaProvider assistDBMetaProvider() {
        // TODO Auto-generated method stub
        return null;

    public void test_assistCurrentDBDef() {
        DBDef result = invokerAssistant.assistCurrentDBDef();
        assertNull(result);
    }

    // Test assistDataSource
    @Test
    public void test_assistDataSource() {
        DataSource result = invokerAssistant.assistDataSource();
        assertNull(result);
    }

    // Test assistDBMetaProvider
    @Test
    public void test_assistDBMetaProvider() {