// Test execute with successful purge (single file deleted)
    public void test_execute_singleFileDeleted() {
        thumbnailManager.setPurgeCallCount(1);

        String result = purgeThumbnailJob.execute();

        assertEquals("Deleted 1 thumbnail files.", result);
    }

    // Test execute with successful purge (multiple files deleted)
    public void test_execute_multipleFilesDeleted() {

success.delete_doc_from_index = Started a process to delete documents from an index.
success.crawling_info_delete_all = Deleted session data.
success.start_crawl_process = Started a crawl process.
success.upload_design_file = Updated {0}.
success.update_design_jsp_file = Updated {0}.
success.create_crawling_config_at_wizard = Created a crawling config {0}.
success.failure_url_delete_all = Deleted failure URLs.
success.delete_file = Deleted {0} file.

success.delete_doc_from_index = Started a process to delete documents from an index.
success.crawling_info_delete_all = Deleted session data.
success.start_crawl_process = Started a crawl process.
success.upload_design_file = Updated {0}.
success.update_design_jsp_file = Updated {0}.
success.create_crawling_config_at_wizard = Created a crawling config {0}.
success.failure_url_delete_all = Deleted failure URLs.
success.delete_file = Deleted {0} file.

    }

    /**
     * Deletes all documents associated with the specified session ID from the given index.
     *
     * @param searchEngineClient the search engine client to use for deletion
     * @param index the index name to delete documents from
     * @param sessionId the session ID to delete documents for
     * @return the number of documents that were deleted
     */

            reload(updater);
        }
    }

    /**
     * Deletes a character mapping item from the dictionary file.
     *
     * @param item the character mapping item to delete
     */
    @Override
    public synchronized void delete(final CharMappingItem item) {
        final CharMappingItem mappingItem = item;

     * @return true if updated, false otherwise
     */
    public boolean isUpdated() {
        return newInput != null;
    }

    /**
     * Checks if this item has been deleted.
     * @return true if deleted, false otherwise
     */
    public boolean isDeleted() {
        return isUpdated() && newInput.length() == 0;
    }

    @Override
    public int hashCode() {
        final int prime = 31;

        // Test unavailable SID type (type 3 - DOMAIN)
        assertNull(sambaHelper.getAccountId(createMockSID(3, "Domain")));

        // Test unavailable SID type (type 6 - DELETED)
        assertNull(sambaHelper.getAccountId(createMockSID(6, "Deleted Account")));

        // Test unavailable SID type (type 7 - INVALID)
        assertNull(sambaHelper.getAccountId(createMockSID(7, "Invalid Account")));
    }

     *
     * @return a string containing the execution result with the number of deleted files or error message
     */
    public String execute() {
        try {
            final long count = ComponentUtil.getThumbnailManager().purge(getExpiry());
            return "Deleted " + count + " thumbnail files.";
        } catch (final Exception e) {
            logger.error("Failed to purge thumbnails.", e);

                    // updated file
                    addDocument(localParams, dataMap);
                } else if (getParamValue(localParams, "event.delete", "delete").equals(eventType)) {
                    // deleted file
                    deleteDocument(localParams, dataMap);
                } else {
                    logger.warn("unknown event: {}, data: {}", eventType, dataMap);
                }

            @Override
            public long purge(long expiry) {
                // Just count files that would be deleted
                return 1L;
            }
        };
        testManager.baseDir = tempDir;

        long result = testManager.purge(1L);
        assertTrue(result >= 0); // Count of deleted files
    }

    // Test FilePurgeVisitor
    public void test_FilePurgeVisitor() throws IOException {