@Test
    public void test_generate_parent_directory_not_exists() throws Exception {
        final File tempDir = new File(System.getProperty("java.io.tmpdir"));
        final File nonExistentParent = new File(tempDir, "non_existent_" + System.currentTimeMillis());
        final File outputFile = new File(nonExistentParent, "output.txt");

        try {
            assertFalse(nonExistentParent.exists());

    Path path = FS.getPath("nonexistent.file");
    assertThat(path.getParent()).isNull();
    assertThat(path.toAbsolutePath().getParent()).isNotNull();
    MoreFiles.createParentDirectories(path); // test that there's no exception
  }

  public void testCreateParentDirectories_noParentsNeeded() throws IOException {
    Path path = tempDir.resolve("nonexistent.file");
    assertTrue(Files.exists(path.getParent()));

            // Expected
        }
    }

    @Test
    public void test_getBoostedDocumentList_noBoostList() {
        KeyMatch keyMatch = new KeyMatch();
        keyMatch.setId("nonexistent");
        keyMatch.setTerm("nonexistent");
        keyMatch.setVirtualHost("");

        try {
            List<Map<String, Object>> result = keyMatchHelper.getBoostedDocumentList(keyMatch);
            assertNotNull(result);

    File file = file("nonexistent.file");
    assertThat(file.getParentFile()).isNull();
    assertThat(file.getCanonicalFile().getParentFile()).isNotNull();
    Files.createParentDirs(file);
  }

  public void testCreateParentDirs_noParentsNeeded() throws IOException {
    File file = file(getTempDir(), "nonexistent.file");
    assertTrue(file.getParentFile().exists());

    Path path = FS.getPath("nonexistent.file");
    assertThat(path.getParent()).isNull();
    assertThat(path.toAbsolutePath().getParent()).isNotNull();
    MoreFiles.createParentDirectories(path); // test that there's no exception
  }

  public void testCreateParentDirectories_noParentsNeeded() throws IOException {
    Path path = tempDir.resolve("nonexistent.file");
    assertTrue(Files.exists(path.getParent()));

        Map<String, Object> doc = new HashMap<>();

        assertEquals("default", DocumentUtil.getValue(doc, "nonexistent", String.class, "default"));
        assertEquals(Integer.valueOf(42), DocumentUtil.getValue(doc, "nonexistent", Integer.class, 42));
        assertEquals(Long.valueOf(123L), DocumentUtil.getValue(doc, "nonexistent", Long.class, 123L));

        doc.put("key", "value");

        assertNull(dataStoreParams.get("key3"));
    }

    // Test get for non-existent key
    @Test
    public void test_getNonExistentKey() {
        assertNull(dataStoreParams.get("nonexistent"));
    }

    // Test getAsString with String value
    @Test
    public void test_getAsStringWithStringValue() {
        dataStoreParams.put("stringKey", "stringValue");

    @Test
    public void test_getScriptEngine_nonExistentName() {
        try {
            scriptEngineFactory.getScriptEngine("nonexistent");
            fail("Should throw ScriptEngineException for non-existent engine");
        } catch (ScriptEngineException e) {
            assertEquals("nonexistent is not found.", e.getMessage());
        }
    }

    // Test getScriptEngine with empty string
    @Test

    public void test_init_nonExistentDirectory() {
        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()) {

            assertTrue("Field " + field + " should be found", queryFieldConfig.isSortField(field));
        }

        // Test negative cases
        assertFalse(queryFieldConfig.isSortField("nonexistent"));
        assertFalse(queryFieldConfig.isSortField("title"));
        assertFalse(queryFieldConfig.isSortField(""));
        assertFalse(queryFieldConfig.isSortField(null));
    }

    /**