mirror of
https://github.com/danny-avila/LibreChat.git
synced 2025-12-19 09:50:15 +01:00
💻 feat: deeper MCP UI integration in the chat UI using plugins
--------- Co-authored-by: Samuel Path <samuel.path@shopify.com> Co-authored-by: Pierre-Luc Godin <pierreluc.godin@shopify.com>
This commit is contained in:
Pierre-Luc Godin
Dustin Healy
parent
b8a149e563
commit
08103ffb22
22 changed files with 1441 additions and 54 deletions
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@ -0,0 +1,454 @@
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import React from 'react';
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import { render, screen } from '@testing-library/react';
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import { MCPUIResourceCarousel } from '../MCPUIResourceCarousel';
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import { useMessageContext, useChatContext } from '~/Providers';
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import { useGetMessagesByConvoId } from '~/data-provider';
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// Mock dependencies
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jest.mock('~/Providers');
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jest.mock('~/data-provider');
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jest.mock('../../Chat/Messages/Content/UIResourceCarousel', () => ({
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__esModule: true,
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default: ({ uiResources }: any) => (
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<div data-testid="ui-resource-carousel" data-resource-count={uiResources.length}>
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{uiResources.map((resource: any, index: number) => (
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<div key={index} data-testid={`resource-${index}`} data-resource-uri={resource.uri} />
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))}
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</div>
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),
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}));
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const mockUseMessageContext = useMessageContext as jest.MockedFunction<typeof useMessageContext>;
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const mockUseChatContext = useChatContext as jest.MockedFunction<typeof useChatContext>;
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const mockUseGetMessagesByConvoId = useGetMessagesByConvoId as jest.MockedFunction<
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typeof useGetMessagesByConvoId
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>;
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describe('MCPUIResourceCarousel', () => {
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beforeEach(() => {
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jest.clearAllMocks();
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mockUseMessageContext.mockReturnValue({ messageId: 'msg123' } as any);
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mockUseChatContext.mockReturnValue({
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conversation: { conversationId: 'conv123' },
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} as any);
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});
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describe('multiple resource fetching', () => {
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it('should fetch multiple resources by indices', () => {
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const mockMessages = [
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{
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messageId: 'msg123',
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attachments: [
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{
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type: 'ui_resources',
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ui_resources: [
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{
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uri: 'ui://test/resource0',
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mimeType: 'text/html',
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text: '<p>Resource 0 content</p>',
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},
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{
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uri: 'ui://test/resource1',
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mimeType: 'text/html',
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text: '<p>Resource 1 content</p>',
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},
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{
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uri: 'ui://test/resource2',
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mimeType: 'text/html',
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text: '<p>Resource 2 content</p>',
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},
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{
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uri: 'ui://test/resource3',
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mimeType: 'text/html',
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text: '<p>Resource 3 content</p>',
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},
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],
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},
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],
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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render(<MCPUIResourceCarousel node={{ properties: { resourceIndices: [0, 2, 3] } }} />);
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const carousel = screen.getByTestId('ui-resource-carousel');
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expect(carousel).toBeInTheDocument();
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expect(carousel).toHaveAttribute('data-resource-count', '3');
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expect(screen.getByTestId('resource-0')).toHaveAttribute(
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'data-resource-uri',
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'ui://test/resource0',
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);
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expect(screen.getByTestId('resource-1')).toHaveAttribute(
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'data-resource-uri',
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'ui://test/resource2',
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);
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expect(screen.getByTestId('resource-2')).toHaveAttribute(
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'data-resource-uri',
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'ui://test/resource3',
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);
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expect(screen.queryByTestId('resource-3')).not.toBeInTheDocument();
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});
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it('should preserve resource order based on indices', () => {
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const mockMessages = [
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{
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messageId: 'msg123',
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attachments: [
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{
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type: 'ui_resources',
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ui_resources: [
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{
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uri: 'ui://test/resource0',
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mimeType: 'text/html',
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text: '<p>Resource 0 content</p>',
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},
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{
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uri: 'ui://test/resource1',
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mimeType: 'text/html',
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text: '<p>Resource 1 content</p>',
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},
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{
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uri: 'ui://test/resource2',
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mimeType: 'text/html',
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text: '<p>Resource 2 content</p>',
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},
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],
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},
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],
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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render(<MCPUIResourceCarousel node={{ properties: { resourceIndices: [2, 0, 1] } }} />);
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const resources = screen.getAllByTestId(/resource-\d/);
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expect(resources[0]).toHaveAttribute('data-resource-uri', 'ui://test/resource2');
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expect(resources[1]).toHaveAttribute('data-resource-uri', 'ui://test/resource0');
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expect(resources[2]).toHaveAttribute('data-resource-uri', 'ui://test/resource1');
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});
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});
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describe('partial matches', () => {
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it('should only include valid resource indices', () => {
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const mockMessages = [
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{
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messageId: 'msg123',
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attachments: [
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{
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type: 'ui_resources',
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ui_resources: [
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{
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uri: 'ui://test/resource0',
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mimeType: 'text/html',
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text: '<p>Resource 0 content</p>',
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},
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{
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uri: 'ui://test/resource1',
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mimeType: 'text/html',
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text: '<p>Resource 1 content</p>',
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},
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],
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},
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],
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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// Request indices 0, 1, 2, 3 but only 0 and 1 exist
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render(<MCPUIResourceCarousel node={{ properties: { resourceIndices: [0, 1, 2, 3] } }} />);
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const carousel = screen.getByTestId('ui-resource-carousel');
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expect(carousel).toHaveAttribute('data-resource-count', '2');
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expect(screen.getByTestId('resource-0')).toHaveAttribute(
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'data-resource-uri',
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'ui://test/resource0',
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);
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expect(screen.getByTestId('resource-1')).toHaveAttribute(
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'data-resource-uri',
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'ui://test/resource1',
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);
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});
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it('should handle all invalid indices', () => {
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const mockMessages = [
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{
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messageId: 'msg123',
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attachments: [
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{
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type: 'ui_resources',
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ui_resources: [
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{
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uri: 'ui://test/resource0',
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mimeType: 'text/html',
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text: '<p>Resource 0 content</p>',
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},
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{
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uri: 'ui://test/resource1',
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mimeType: 'text/html',
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text: '<p>Resource 1 content</p>',
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},
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],
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},
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],
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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// Request indices that don't exist
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render(<MCPUIResourceCarousel node={{ properties: { resourceIndices: [5, 6, 7] } }} />);
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expect(screen.queryByTestId('ui-resource-carousel')).not.toBeInTheDocument();
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});
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});
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describe('error handling', () => {
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it('should return null when no attachments', () => {
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const mockMessages = [
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{
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messageId: 'msg123',
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attachments: undefined,
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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const { container } = render(
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<MCPUIResourceCarousel node={{ properties: { resourceIndices: [0, 1] } }} />,
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);
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expect(container.firstChild).toBeNull();
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expect(screen.queryByTestId('ui-resource-carousel')).not.toBeInTheDocument();
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});
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it('should return null when message not found', () => {
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const mockMessages = [
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{
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messageId: 'different-msg',
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attachments: [
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{
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type: 'ui_resources',
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ui_resources: [
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{
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uri: 'ui://test/resource',
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mimeType: 'text/html',
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text: '<p>Resource content</p>',
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},
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],
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},
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],
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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const { container } = render(
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<MCPUIResourceCarousel node={{ properties: { resourceIndices: [0] } }} />,
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);
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expect(container.firstChild).toBeNull();
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});
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it('should return null when no ui_resources attachments', () => {
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const mockMessages = [
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{
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messageId: 'msg123',
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attachments: [
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{
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type: 'web_search',
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web_search: { results: [] },
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},
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],
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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const { container } = render(
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<MCPUIResourceCarousel node={{ properties: { resourceIndices: [0, 1] } }} />,
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);
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expect(container.firstChild).toBeNull();
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});
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});
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describe('edge cases', () => {
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it('should handle empty resourceIndices array', () => {
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const mockMessages = [
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{
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messageId: 'msg123',
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attachments: [
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{
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type: 'ui_resources',
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ui_resources: [
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{
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uri: 'ui://test/resource',
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mimeType: 'text/html',
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text: '<p>Resource content</p>',
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},
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],
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},
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],
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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const { container } = render(
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<MCPUIResourceCarousel node={{ properties: { resourceIndices: [] } }} />,
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);
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expect(container.firstChild).toBeNull();
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});
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it('should handle duplicate indices', () => {
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const mockMessages = [
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{
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messageId: 'msg123',
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attachments: [
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{
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type: 'ui_resources',
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ui_resources: [
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{
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uri: 'ui://test/resource0',
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mimeType: 'text/html',
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text: '<p>Resource 0 content</p>',
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},
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{
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uri: 'ui://test/resource1',
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mimeType: 'text/html',
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text: '<p>Resource 1 content</p>',
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},
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],
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},
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],
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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// Request same index multiple times
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render(<MCPUIResourceCarousel node={{ properties: { resourceIndices: [0, 0, 1, 1, 0] } }} />);
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// Should render each resource multiple times
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const carousel = screen.getByTestId('ui-resource-carousel');
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expect(carousel).toHaveAttribute('data-resource-count', '5');
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const resources = screen.getAllByTestId(/resource-\d/);
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expect(resources).toHaveLength(5);
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expect(resources[0]).toHaveAttribute('data-resource-uri', 'ui://test/resource0');
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expect(resources[1]).toHaveAttribute('data-resource-uri', 'ui://test/resource0');
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expect(resources[2]).toHaveAttribute('data-resource-uri', 'ui://test/resource1');
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expect(resources[3]).toHaveAttribute('data-resource-uri', 'ui://test/resource1');
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expect(resources[4]).toHaveAttribute('data-resource-uri', 'ui://test/resource0');
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});
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it('should handle multiple ui_resources attachments', () => {
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const mockMessages = [
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{
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messageId: 'msg123',
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attachments: [
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{
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type: 'ui_resources',
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ui_resources: [
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{
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uri: 'ui://test/resource0',
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mimeType: 'text/html',
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text: '<p>Resource 0 content</p>',
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},
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{
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uri: 'ui://test/resource1',
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mimeType: 'text/html',
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text: '<p>Resource 1 content</p>',
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},
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],
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},
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{
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type: 'ui_resources',
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ui_resources: [
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{ uri: 'ui://test/resource2', mimeType: 'text/html', text: '<p>Resource 2</p>' },
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{ uri: 'ui://test/resource3', mimeType: 'text/html', text: '<p>Resource 3</p>' },
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],
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},
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],
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},
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];
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: mockMessages,
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} as any);
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// Resources from both attachments should be accessible
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render(<MCPUIResourceCarousel node={{ properties: { resourceIndices: [0, 2, 3] } }} />);
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const carousel = screen.getByTestId('ui-resource-carousel');
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expect(carousel).toHaveAttribute('data-resource-count', '3');
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// Note: indices 2 and 3 are from the second attachment and become accessible in the flattened array
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expect(screen.getByTestId('resource-0')).toHaveAttribute(
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'data-resource-uri',
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'ui://test/resource0',
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);
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expect(screen.getByTestId('resource-1')).toHaveAttribute(
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'data-resource-uri',
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'ui://test/resource2',
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);
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expect(screen.getByTestId('resource-2')).toHaveAttribute(
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'data-resource-uri',
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'ui://test/resource3',
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);
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});
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it('should handle null messages data', () => {
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: null,
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} as any);
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const { container } = render(
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<MCPUIResourceCarousel node={{ properties: { resourceIndices: [0] } }} />,
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);
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expect(container.firstChild).toBeNull();
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});
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it('should handle missing conversation', () => {
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mockUseChatContext.mockReturnValue({
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conversation: null,
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} as any);
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mockUseGetMessagesByConvoId.mockReturnValue({
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data: null,
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} as any);
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const { container } = render(
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<MCPUIResourceCarousel node={{ properties: { resourceIndices: [0] } }} />,
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);
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expect(container.firstChild).toBeNull();
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});
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});
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});
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