}

    @Test
    public void test_toString_withEmptyQueryMap() {
        facetQueryView.setTitle("Empty Map Test");

        String result = facetQueryView.toString();
        assertNotNull(result);
        assertTrue(result.contains("title=Empty Map Test"));
        assertTrue(result.contains("queryMap={}"));
    }

    // Test edge cases
    @Test

                || !isEmptyArray(conditions.get(AS_FILETYPE));
    }

    /**
     * Returns true if the array is empty, otherwise false.
     *
     * @param values The array.
     * @return True if the array is empty, otherwise false.
     */
    protected boolean isEmptyArray(final String[] values) {
        if (values == null || values.length == 0) {
            return true;

    }

    /**
     * Builds the source titles suffix string (e.g., "\n[Referenced documents: Title1, Title2]").
     * Returns an empty string if no sources or titles are available.
     *
     * @param sources the source documents
     * @return the source titles suffix, or empty string
     */
    private String buildSourceTitlesSuffix(final List<ChatSource> sources) {

        mockBhv.setTestData(testData);

        int count = relatedQueryHelper.load();
        assertEquals(1, count); // One virtual host key (empty)

        String[] results = relatedQueryHelper.getRelatedQueries("java");
        assertEquals(3, results.length);
        assertEquals("programming", results[0]);
        assertEquals("tutorial", results[1]);

			<p class="mb-2"><la:message key="labels.did_not_match" arg0="${displayQuery}" /></p>
			<p class="text-muted"><la:message key="labels.did_not_match_suggestion" /></p>
			<c:if test="${!empty popularWords}">
				<div class="mt-3">
					<p class="mb-1"><la:message key="labels.search_popular_word_word" /></p>
					<p>
						<c:forEach var="item" varStatus="s" items="${popularWords}">

        if (values.length == 0) {
            // invalid?
            return new PathInfo(StringUtil.EMPTY, StringUtil.EMPTY);
        }
        if (values.length == 1) {
            return new PathInfo(StringUtil.EMPTY, values[0]);
        }
        final StringBuilder buf = new StringBuilder();
        for (int i = 0; i < values.length - 1; i++) {

                    if (StringUtil.isEmpty(username)) {
                        logger.warn("username is empty. fileAuth:{}", fileAuthName);
                        continue;
                    }

                    final SmbAuthentication smbAuth = new SmbAuthentication();
                    smbAuth.setDomain(domain == null ? StringUtil.EMPTY : domain);
                    smbAuth.setServer(hostname);

        // assertFalse(indexUpdater.isAlive());
    }

    // Test run with max empty list count exceeded
    @Test
    public void test_run_maxEmptyListCountExceeded() throws Exception {
        final List<String> sessionIdList = Arrays.asList("session1");
        indexUpdater.setSessionIdList(sessionIdList);

        // Set max empty list count to 1
        ((TestFessConfig) fessConfig).setMaxEmptyListCount(1);

    }

    /**
     * Retrieves a specific failure URL by its ID.
     *
     * @param id the unique identifier of the failure URL
     * @return an OptionalEntity containing the FailureUrl if found, empty otherwise
     */
    public OptionalEntity<FailureUrl> getFailureUrl(final String id) {
        return failureUrlBhv.selectByPK(id);
    }

    /**
     * Stores or updates a failure URL entity in the data store.

    }

    // Test job class for testing setJobClass
    public static class TestJob implements LaJob {
        @Override
        public void run(final org.lastaflute.job.LaJobRuntime runtime) {
            // Empty implementation for testing
        }
    }