TestDataStore dataStore = new TestDataStore("TestStore");
        dataStoreFactory.add("testName", dataStore);

        // Verify data store is registered with both the given name and class simple name
        assertNotNull(dataStoreFactory.getDataStore("testName"));
        assertNotNull(dataStoreFactory.getDataStore("testname")); // case insensitive
        assertNotNull(dataStoreFactory.getDataStore("TestDataStore"));

        // Test getName and setName methods
        generator = new TestThumbnailGenerator();

        // Default name should be null
        assertNull(generator.getName());

        // Set and get name
        generator.setName("test-generator");
        assertEquals("test-generator", generator.getName());

        // Change name
        generator.setName("new-name");

                    && field.getType() == String.class && !field.getName().equals("serialVersionUID")) {

                // Check field name follows convention
                assertTrue("Field name should match pattern: " + field.getName(), labelPattern.matcher(field.getName()).matches());

                // Check field value follows convention
                field.setAccessible(true);

    }

    @Test
    public void test_getUserId() {
        // Test with normal user
        testUser.setName("testuser");
        assertEquals("testuser", fessUserBean.getUserId());

        // Test with another name
        testUser.setName("admin");
        assertEquals("admin", fessUserBean.getUserId());
    }

    @Test
    public void test_getPermissions() {

        setupEpg(_epgMap, et -> ((RoleType) et).getCreatedTime(), (et, vl) -> ((RoleType) et).setCreatedTime(DfTypeUtil.toLong(vl)),
                "createdTime");
        setupEpg(_epgMap, et -> ((RoleType) et).getName(), (et, vl) -> ((RoleType) et).setName(DfTypeUtil.toString(vl)), "name");
        setupEpg(_epgMap, et -> ((RoleType) et).getSortOrder(), (et, vl) -> ((RoleType) et).setSortOrder(DfTypeUtil.toInteger(vl)),
                "sortOrder");

            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setHostname(DfTypeUtil.toString(source.get("hostname")));
            result.setParameters(DfTypeUtil.toString(source.get("parameters")));
            result.setPassword(DfTypeUtil.toString(source.get("password")));
            result.setPort(DfTypeUtil.toInteger(source.get("port")));

            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setName(DfTypeUtil.toString(source.get("name")));
            result.setUpdatedBy(DfTypeUtil.toString(source.get("updatedBy")));
            result.setUpdatedTime(DfTypeUtil.toLong(source.get("updatedTime")));

        assertEquals(user.getName(), chains.get(0).lastLoadedUser.getName());
        for (int i = 1; i < chains.size(); i++) {
            assertEquals("user" + i, chains.get(i).lastLoadedUser.getName());
        }
    }

    // Helper method to create test user
    private User createTestUser(String username) {
        User user = new User();
        user.setName(username);
        return user;
    }

                "includedPaths");
        setupEpg(_epgMap, et -> ((LabelType) et).getName(), (et, vl) -> ((LabelType) et).setName(DfTypeUtil.toString(vl)), "name");
        setupEpg(_epgMap, et -> ((LabelType) et).getPermissions(), (et, vl) -> ((LabelType) et).setPermissions((String[]) vl),
                "permissions");

    public void test_user_surnameDefaultsToName() {
        final User user = new User();
        user.setName("testuser");
        assertNull(user.getSurname());

        // When surname is blank, convertEmptyToNull converts it to null
        user.setSurname("");
        assertNull(user.getSurname());

        user.setSurname(user.getName());
        assertEquals("testuser", user.getSurname());
    }

    @Test