PluginException exception = new PluginException(longMessage);

        assertNotNull(exception);
        assertEquals(longMessage, exception.getMessage());
    }

    @Test
    public void test_multiLevelExceptionChain() {
        // Test multi-level exception chain
        Throwable level3 = new NullPointerException("Null value");
        Throwable level2 = new IllegalStateException("Invalid state", level3);

    public void test_isAvailable() {
        // Test default implementation
        generator = new TestThumbnailGenerator();
        assertTrue(generator.isAvailable());
    }

    @Test
    public void test_isTarget() {
        // Test isTarget method
        generator = new TestThumbnailGenerator();
        Map<String, Object> docMap = new HashMap<>();

        // Note: isTarget requires FessConfig which needs container

        TestFessTransformer transformer = new TestFessTransformer();
        Map<String, Object> dataMap = new HashMap<>();

        // Add a List as initial value
        List<String> initialList = new ArrayList<>();
        initialList.add("item1");
        initialList.add("item2");
        dataMap.put("items", initialList);

        // Add a new value

        ThumbnailManager manager = new ThumbnailManager() {
            @Override
            public void init() {
                baseDir = new File(tempDir, "nonexistent/dir");
                if (baseDir.mkdirs()) {
                    logger.info("Created: {}", baseDir.getAbsolutePath());
                }
                if (!baseDir.isDirectory()) {

        // Test with empty list
        List<Map<String, Object>> emptyList = new ArrayList<>();
        searchRenderData.setDocumentItems(emptyList);
        assertEquals(emptyList, searchRenderData.getDocumentItems());

        // Test with populated list
        List<Map<String, Object>> documentItems = new ArrayList<>();
        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Test Document 1");

            _specification = new HpSpecification();
        }
        return _specification;
    }

    protected void assertQueryPurpose() {
    }

    protected void assertAggregationPurpose() {
    }

    protected void assertSpecifyPurpose() {
    }

    public static class HpSpecification {
        protected List<String> columnList = new ArrayList<>();

            _specification = new HpSpecification();
        }
        return _specification;
    }

    protected void assertQueryPurpose() {
    }

    protected void assertAggregationPurpose() {
    }

    protected void assertSpecifyPurpose() {
    }

    public static class HpSpecification {
        protected List<String> columnList = new ArrayList<>();

        // Test with scheduled job that has a custom toString implementation
        ScheduledJob scheduledJob = new ScheduledJob() {
            @Override
            public String toString() {
                return "TestScheduledJob[id=123]";
            }
        };

        JobNotFoundException exception = new JobNotFoundException(scheduledJob);

        assertNotNull(exception);

        super.setUp(testInfo);
        ltrQueryRescorer = new LtrQueryRescorer();
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);
        super.tearDown(testInfo);
    }

    @Test
    public void test_constructor() {
        // Test that constructor works properly
        assertNotNull(new LtrQueryRescorer());
    }

    @Test

        super.setUp(testInfo);
        purgeDocJob = new PurgeDocJob();

        // Reset flags and variables
        deleteByQueryCalled = false;
        deleteIndex = null;
        deleteQuery = null;
        expiresFieldName = "expires";
        documentUpdateIndex = "fess.update";

        // Create mock SearchEngineClient
        searchEngineClient = new SearchEngineClient() {
            @Override