## Recap { #recap }

With what you have seen up to now, you can set up a secure **FastAPI** application using standards like OAuth2 and JWT.

In almost any framework handling the security becomes a rather complex subject quite quickly.

            // Should either throw exception or fail gracefully after wipe
            try {
                digest.sign(data, 0, data.length, request, response);
                // If no exception is thrown, accept graceful handling
                assertTrue(true, "Sign operation after wipe should either throw exception or handle gracefully");
            } catch (RuntimeException e) {

        options.sessionId = "test-session";
        options.name = "Test Crawl Job";

        // Verify the name is set
        assertEquals("Test Crawl Job", options.name);
    }

    // Test error handling in doCrawl
    public void test_doCrawl_withErrors() {
        // Clear any previous errors
        try {
            Field errorsField = Crawler.class.getDeclaredField("errors");

                    if (request != null) {
                        request.setPath(dunc);
                    }
                    return loc;
                }

                // fallthrough to normal handling
                log.debug("No tree referral but in DFS");
            }

            if (request != null) {
                request.setFullUNCPath(session.getTargetDomain(), session.getTargetHost(), rfullpath);

 * This class contains various helper methods for formatting, parsing, and manipulating data
 * in Fess web templates, including date formatting, localization, file operations, and
 * query parameter handling.
 *
 * @since 1.0
 */
public class FessFunctions {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FessFunctions.class);

import jakarta.servlet.ServletContext;
import jakarta.servlet.SessionTrackingMode;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

/**
 * Helper class for handling view-related operations in the Fess search system.
 * This class provides utilities for content rendering, URL processing, highlighting,
 * caching, pagination, and user interface functionality.
 *
 */

// large to fit in the [Scanner.Buffer]. When a scan stops, the reader may have
// advanced arbitrarily far past the last token. Programs that need more
// control over error handling or large tokens, or must run sequential scans
// on a reader, should use [bufio.Reader] instead.
type Scanner struct {
	r            io.Reader // The reader provided by the client.

            if (e.getCause().getMessage() != null) {
                assertTrue(e.getCause().getMessage().contains("Process start failed"));
            }
        }
    }

    // Test execute with exception handling
    public void test_execute_withException() {
        pythonJob.filename("test.py");

        testProcessHelper.throwException = new RuntimeException("Unexpected error");

        });
    }

    /**
     * Gets the action response for the specified SSO response type.
     *
     * SPNEGO authentication typically doesn't require special response handling
     * for metadata or logout operations, so this method returns null.
     *
     * @param responseType The type of SSO response requested
     * @return Always returns null for SPNEGO authentication
     */

        assertNotNull(result);
        assertNotNull(thumbnailJob.sessionId);
        assertTrue(result.contains("Session Id: " + thumbnailJob.sessionId));
        // Exception handling may vary, just verify result is not null
    }

    // Test executeThumbnailGenerator with process failure
    public void test_executeThumbnailGenerator_processFailure() {
        thumbnailJob.numOfThreads(2);