CurlRequest processedRequest = callProtectedRequest(curlHelper, request);

        assertNotNull(processedRequest);
        // Blank credentials should be treated as no authentication
    }

    public void test_request_withUsernameOnly() {
        setupMockConfig("localhost:9200", "testuser", "");

        curlHelper.init();

        // Verify exact argument interaction
        verify(locator, times(1)).handleDFSReferral(referral, reqPath);
        verifyNoMoreInteractions(locator);
    }

    // Edge / invalid: null referral or empty/blank path
    @Test
    @DisplayName("handleDFSReferral handles null referral and empty path")
    void handleDfsReferralNullAndEmpty() {
        when(locator.handleDFSReferral(null, "")).thenReturn("smb://server/share/");

        try {
            testHelper.install(artifact);
            fail("Expected PluginException");
        } catch (PluginException e) {
            assertTrue(e.getMessage().contains("url is blank"));
        }
    }

    public void test_install_nullUrl() {
        PluginHelper testHelper = new PluginHelper();
        Artifact artifact = new Artifact("test", "1.0.0", null);

        try {

        });
    }

    /**
     * Stores (inserts or updates) a user in the system.
     * Handles user authentication setup and database persistence.
     * If the surname is blank, it will be set to the user's name.
     *
     * @param user the user entity to store
     */
    public void store(final User user) {
        if (StringUtil.isBlank(user.getSurname())) {

		t.Fatalf("Failed to migrate for uuid default value, got error: %v", err)
	}

	harumph := Harumph{}
	if err := DB.Create(&harumph).Error; err == nil {
		t.Fatalf("should failed to create data, name can't be blank")
	}

	harumph = Harumph{Name: "jinzhu"}
	if err := DB.Create(&harumph).Error; err != nil {
		t.Fatalf("should be able to create data, but got %v", err)
	}

	var result Harumph

     * Sets the name and expiration time based on the provided parameters.
     *
     * @param sessionId the session ID to update
     * @param name the name to set for the crawling session (uses system name if blank)
     * @param dayForCleanup number of days until cleanup (sets expiration if >= 0)
     * @throws FessSystemException if unable to store the updated crawling session
     */

     * Removes protocol and path components to return just the hostname.
     *
     * @param u the URL string to extract host from
     * @return the host name, or empty string if URL is blank, or unknown hostname if parsing fails
     */
    default String getHost(final String u) {
        if (StringUtil.isBlank(u)) {
            return StringUtil.EMPTY; // empty
        }

        String url = u;

        queryContext = new QueryContext("", false);
        assertEquals("*", queryContext.getQueryString());
        assertNull(queryContext.getDefaultField());
    }

    // Test constructor with blank query string
    public void test_constructor_blankQueryString() {
        queryContext = new QueryContext("   ", false);
        assertEquals("*", queryContext.getQueryString());

            System.arraycopy(e8, 0, e, i * 8, 8);
        }
    }

    static String DEFAULT_DOMAIN;
    static String DEFAULT_USERNAME;
    static String DEFAULT_PASSWORD;
    static final String BLANK = "";

    /**
     * Anonymous credentials instance with empty domain, username, and password.
     */
    public static final NtlmPasswordAuthentication ANONYMOUS = new NtlmPasswordAuthentication("", "", "");

		t.Fatalf("Failed to migrate for uuid default value, got error: %v", err)
	}

	harumph := Harumph{}
	if err := DB.Create(&harumph).Error; err == nil {
		t.Fatalf("should failed to create data, name can't be blank")
	}

	harumph = Harumph{Name: "jinzhu"}
	if err := DB.Create(&harumph).Error; err != nil {
		t.Fatalf("should be able to create data, but got %v", err)
	}

	var result Harumph