assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withMessageAndNullCause() {
        // Test constructor with message and null cause
        String message = "LDAP error occurred";
        LdapOperationException exception = new LdapOperationException(message, null);

        assertEquals(message, exception.getMessage());

        helper.offer(new LogNotificationEvent(2000L, "WARN", "com.example.Bar", "message2", null));

        List<LogNotificationEvent> events = helper.drainAll();
        assertEquals(2, events.size());
        assertEquals("message1", events.get(0).getMessage());
        assertEquals("message2", events.get(1).getMessage());
    }

    @Test

    public void test_constructor_withTypeAndMessage() {
        // Test constructor with type and message
        String type = "Bearer";
        String message = "Invalid access token provided";
        InvalidAccessTokenException exception = new InvalidAccessTokenException(type, message);

        assertEquals(type, exception.getType());
        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test

        messages.add(LlmMessage.assistant(content));
        return this;
    }

    /**
     * Gets the messages in this request.
     *
     * @return the list of messages
     */
    public List<LlmMessage> getMessages() {
        return messages;
    }

    /**
     * Sets the messages in this request.
     *
     * @param messages the list of messages
     */

        assertTrue(messages.hasMessageOf(property));
    }

    // Test special message types
    @Test
    public void test_addConstraintsCreditCardNumberMessage() {
        String property = "testProperty";
        FessMessages result = messages.addConstraintsCreditCardNumberMessage(property);
        assertNotNull(result);
        assertSame(messages, result);
        assertTrue(messages.hasMessageOf(property));

                messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);
        final VaMessenger<FessMessages> parseErrorCode =
                messages -> messages.addErrorsInvalidQueryParseError(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute
        final InvalidQueryException unknownException = new InvalidQueryException(unknownErrorCode, message);

    public void test_differentMessageCodes() {
        // Setup - test with different message codes
        final String message = "Test message";
        final VaMessenger<FessMessages> loginErrorCode = messages -> messages.addErrorsSsoLoginError(UserMessages.GLOBAL_PROPERTY_KEY);
        final VaMessenger<FessMessages> logoutErrorCode = messages -> messages.addSuccessSsoLogout(UserMessages.GLOBAL_PROPERTY_KEY);

        // Execute

        // Verify error messages use field names without doc. prefix
        final FessMessages messages = new FessMessages();
        errorMessages.forEach(m -> m.message(messages));

        assertTrue(messages.hasMessageOf("doc.url"));
        assertTrue(messages.hasMessageOf("doc.title"));
        assertTrue(messages.hasMessageOf("doc.role"));
        assertTrue(messages.hasMessageOf("doc.boost"));
    }

        final List<ChatMessage> messages = session.getMessages();
        assertEquals(4, messages.size());
        assertEquals(ChatMessage.ROLE_USER, messages.get(0).getRole());
        assertEquals("User 2", messages.get(0).getContent());
        assertEquals(ChatMessage.ROLE_ASSISTANT, messages.get(1).getRole());
        assertEquals("Assistant 2", messages.get(1).getContent());

        final List<LlmMessage> messages = request.getMessages();
        // system + user = 2 messages
        assertEquals(2, messages.size());
        assertEquals("system", messages.get(0).getRole());
        assertEquals("user", messages.get(1).getRole());
        assertTrue(messages.get(1).getContent().contains("What is Fess?"));
        assertTrue(messages.get(1).getContent().contains("<user_input>"));
    }