}

    @Test
    public void test_recordOnNonExistentKey() {
        String key = "non_existent";
        crawlerStatsHelper.record(key, "test_action");

        assertNull(localLogMsg.get());
    }

    @Test
    public void test_runOnThreadOnNonExistentKey() {
        String key = "non_existent";
        crawlerStatsHelper.runOnThread(key);

        assertNull(localLogMsg.get());
    }

        assertEquals(1, intValues.length);
        assertEquals("123", intValues[0]);

        String[] nullValues = defaultContentsParser.getFieldValues(document, "non_existent");
        assertEquals(0, nullValues.length);
    }

    @Test
    public void test_parseSearchWords() throws Exception {
        String[] words = new String[] { "検索", "エンジン" };

        execJob.testDeleteTempDir(testDir);
        assertFalse(testDir.exists());

        // Test with non-existent directory
        File nonExistentDir = new File(tempDir, "non_existent");
        execJob.testDeleteTempDir(nonExistentDir);
    }

    // Test appendJarFile method
    @Test
    public void test_appendJarFile() throws IOException {

        assertEquals(true, docMap.get("key3"));

        assertTrue(docMap.containsKey("key1"));
        assertTrue(docMap.containsValue("value1"));
        assertFalse(docMap.containsKey("nonexistent"));
        assertFalse(docMap.containsValue("nonexistent"));
    }

    @Test
    public void test_put_and_get() {
        Map<String, Object> parentMap = new HashMap<>();
        DocMap docMap = new DocMap(parentMap);

    public void test_sendCommand_jobNotFound() {
        try {
            processHelper.sendCommand("nonexistent", "test command");
            fail("Expected JobNotFoundException");
        } catch (JobNotFoundException e) {
            assertTrue(e.getMessage().contains("Job for nonexistent is not found"));
        }
    }

    @Test
    public void test_startProcess_basicCommand() {
        String sessionId = "test_session";

    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);

        // Try to execute with non-existent script type
        try {
            scriptExecutor.execute("nonexistent", "some script");
            fail("Expected ScriptEngineException");
        } catch (ScriptEngineException e) {
            assertTrue(e.getMessage().contains("nonexistent"));
        }
    }

    @Test
    public void test_execute_withNullScriptType() {

    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()));