assertEquals("\\", InputValidator.normalizeSmbPath("\\"));
    }

    @ParameterizedTest
    @DisplayName("Test valid usernames")
    @ValueSource(strings = { "user", "user123", "user.name", "user-name", "user_name", "******@****.***" })
    void testValidUsernames(String username) {
        assertDoesNotThrow(() -> InputValidator.validateUsername(username));
    }

    @ParameterizedTest

        User user1 = createTestUser("user1", "User One");
        User user2 = createTestUser("user2", "User Two");
        User user3 = createTestUser("user3", "User Three");

        chain.update(user1);
        chain.update(user2);
        chain.update(user3);

        assertEquals(3, chain.updateCalls.size());
        assertEquals(user1, chain.updateCalls.get(0));

    // Test load with multiple chains (chained loading)
    public void test_load_multipleChains() {
        User user = createTestUser("user0");
        User user1 = createTestUser("user1");
        User user2 = createTestUser("user2");
        User user3 = createTestUser("user3");

        TestAuthenticationChain chain1 = new TestAuthenticationChain();
        TestAuthenticationChain chain2 = new TestAuthenticationChain();

        // Normal authentication should be allowed
        assertTrue(rateLimiter.checkAttempt("user1", "192.168.1.1"), "First attempt should be allowed");

        // Record success
        rateLimiter.recordSuccess("user1", "192.168.1.1");

        // Should still be allowed
        assertTrue(rateLimiter.checkAttempt("user1", "192.168.1.1"), "After success should be allowed");
    }

    @Test

        pathMappingList.add(pathMapping);

        pathMappingHelper.cachedPathMappingList = pathMappingList;

        String text = "\"file:///home/user1/\" and \"file:///home/user2/\"";
        assertEquals("\"http://localhost/user1/\" and \"http://localhost/user2/\"", pathMappingHelper.replaceUrls(text));
    }

    public void test_replaceUrls_withNoQuotes() {

    @Test
    @DisplayName("Test statistics accumulation")
    void testStatisticsAccumulation() {
        logger.logAuthentication(true, "user1", "DOMAIN", "192.168.1.1");
        logger.logAuthentication(false, "user2", "DOMAIN", "192.168.1.2");
        logger.logFileAccess("WRITE", "/file.txt", true, "user1");

        Map<EventType, Long> stats = logger.getStatistics();

        FessUserNotFoundException exception2 = new FessUserNotFoundException("user2");

        assertNotSame(exception1, exception2);
        assertFalse(exception1.getMessage().equals(exception2.getMessage()));
        assertEquals("User is not found: user1", exception1.getMessage());
        assertEquals("User is not found: user2", exception2.getMessage());
    }

        SID[] resolvedFirst = captor.getValue();
        assertEquals(2, resolvedFirst.length);
        assertEquals("user1", ((SID) resolvedFirst[0]).acctName);
        assertEquals("user2", ((SID) resolvedFirst[1]).acctName);

        // Second call with overlap should use cache for s2 and s3, requiring only s3 if not cached

        assertEquals("2group-name", permissionHelper.encode("{group}group-name"));
        assertEquals("Rrole.name", permissionHelper.encode("{role}role.name"));
        assertEquals("1user_123", permissionHelper.encode("{user}user_123"));
        assertEquals("2group$special", permissionHelper.encode("{group}group$special"));
    }

    public void test_decode_withComplexValues() {

        assertEquals("testuser", ldapUser.getName());

        // Test with different names
        LdapUser user2 = new LdapUser(testEnv, "anotheruser");
        assertEquals("anotheruser", user2.getName());

        // Test with empty name
        LdapUser user3 = new LdapUser(testEnv, "");
        assertEquals("", user3.getName());

        // Test with null name
        LdapUser user4 = new LdapUser(testEnv, null);