void testGetLink() {
        // Given
        String link = "/test/link";
        when(mockReferralData.getLink()).thenReturn(link);

        // When
        String result = mockReferralData.getLink();

        // Then
        assertEquals(link, result);
        verify(mockReferralData).getLink();
    }

            // Test with mock
            when(mockReferralData.getLink()).thenReturn(link);
            assertEquals(link, mockReferralData.getLink());
            verify(mockReferralData, times(1)).getLink();

            // Test with concrete implementation
            concreteImplementation.setLink(link);
            assertEquals(link, concreteImplementation.getLink());
        }

        @Test

        }

        @Test
        @DisplayName("Should get and set link")
        void testLink() {
            assertNull(referralData.getLink());
            referralData.setLink("\\\\server\\share\\link");
            assertEquals("\\\\server\\share\\link", referralData.getLink());
        }

        @Test
        @DisplayName("Should get and set key")
        void testKey() {

     */
    DfsReferralData next();

    /**
     * Get the complete UNC path link for this referral
     *
     * @return the link
     */
    String getLink();

            }
            if (link.startsWith("/")) {
                redirect = ftpInfo.toUrl(file.getLink());
            } else if (link.startsWith("../")) {
                redirect = ftpInfo.toChildUrl(file.getLink());
            } else {
                redirect = ftpInfo.toChildUrl("../" + file.getLink());
            }
            if (!uri.equals(redirect)) {

        } else {
            link = path;
        }

        if (log.isTraceEnabled()) {
            log.trace("Initial link is " + link);
        }

        if (dr == null || !link.equals(dr.getLink())) {
            while (true) {
                dr = links.map.get(link);

                if (dr != null) {
                    if (log.isTraceEnabled()) {
                        log.trace("Found at " + link);

     */
    public void setDomain(final String domain) {
        this.domain = domain;
    }

    @Override
    public String getLink() {
        return this.link;
    }

    @Override
    public void setLink(final String link) {
        this.link = link;
    }

    /**
     * @return the key
     */
    @Override
    public String getKey() {

        assertEquals(123, Config.getInt(testProperties, "test.int", 0));
        assertEquals(456, Config.getInt(testProperties, "nonexistent.int", 456));
        assertEquals(789, Config.getInt(testProperties, "test.invalid.int", 789));
    }

    @Test
    @DisplayName("Should get integer property")
    void testGetInt() {
        assertEquals(123, Config.getInt(testProperties, "test.int"));

        super.tearDown();
    }

    // Test basic property retrieval
    public void test_get_basicProperty() {
        // Test getting a property from the config
        String value = fessConfig.get("domain.title");
        assertEquals("Test Fess", value);

        // Test getting another property
        String engineType = fessConfig.get("search_engine.type");
        assertEquals("opensearch", engineType);
    }

        int andRecordCount = JsonPath.from(andResponse).getInt("record_count");

        Map<String, String> params = new HashMap<>();
        params.put("q", query);
        params.put("num", "100");
        String response = checkMethodBase(new HashMap<>()).params(params).get("/api/v1/documents").asString();
        assertTrue(JsonPath.from(response).getInt("record_count") > andRecordCount);