User result = ldapChain.load(user);

        assertSame(user, result);
        assertEquals(user, testLdapManager.appliedUser);
        assertTrue(testLdapManager.applyCalled);
    }

    public void test_load_withNullUser() {
        // Test load with null user
        User result = ldapChain.load(null);

        assertNull(result);
        assertNull(testLdapManager.appliedUser);

        assertEquals(0, result);
    }

    /**
     * Test toString method.
     */
    @Test
    void testToString() {
        smbComOpenAndX = new SmbComOpenAndX(fileName, access, 0, andx);
        String result = smbComOpenAndX.toString();
        assertNotNull(result);
        assertTrue(result.contains(fileName));
    }

    }

    @Override
    protected <RESULT extends CrawlingInfo> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setExpiredTime(DfTypeUtil.toLong(source.get("expiredTime")));
            result.setName(DfTypeUtil.toString(source.get("name")));

    }

    @Override
    protected <RESULT extends BadWord> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));

    }

    @Override
    protected <RESULT extends BoostDocumentRule> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setBoostExpr(DfTypeUtil.toString(source.get("boostExpr")));
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));

    }

    @Override
    protected <RESULT extends DuplicateHost> RESULT createEntity(Map<String, Object> source, Class<? extends RESULT> entityType) {
        try {
            final RESULT result = entityType.newInstance();
            result.setCreatedBy(DfTypeUtil.toString(source.get("createdBy")));
            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));

    Iterator<Entry<E>> entryIterator = entryIterator();
    if (entryIterator.hasNext()) {
      Entry<E> result = entryIterator.next();
      result = Multisets.immutableEntry(result.getElement(), result.getCount());
      entryIterator.remove();
      return result;
    }
    return null;
  }

  @Override
  public @Nullable Entry<E> pollLastEntry() {

        source.put("NestedMap", nested);

        Map<String, Object> result = searchLogHelper.toLowerHyphen(source);

        assertEquals("value1", result.get("test_key"));
        assertEquals("value2", result.get("another_test_key"));

        @SuppressWarnings("unchecked")
        Map<String, Object> nestedResult = (Map<String, Object>) result.get("nested_map");
        assertEquals("nestedValue", nestedResult.get("nested_key"));

    // Test API result with messages
    public void test_apiResultWithMessages() {
        String testMessage = "Test error message";
        ApiResult.ApiErrorResponse errorResponse = new ApiResult.ApiErrorResponse();
        errorResponse.message(testMessage);
        errorResponse.status(Status.BAD_REQUEST);
        ApiResult result = errorResponse.result();

        assertNotNull(result);

        }
        return DfTypeUtil.toLocalDateTime(value);
    }

    @SuppressWarnings("unchecked")
    @Override
    protected <RESULT extends SearchLog> RESULT createEntity(final Map<String, Object> source, final Class<? extends RESULT> entityType) {
        try {
            final RESULT result = super.createEntity(source, entityType);
            final Object searchFieldObj = source.get("searchField");