102 lines
3.0 KiB
TypeScript
102 lines
3.0 KiB
TypeScript
import '@testing-library/jest-dom/vitest';
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import userEvent from '@testing-library/user-event';
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import { cleanup, findByText, render, screen } from '@testing-library/vue';
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import {
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mockFetchDataStream,
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mockFetchDataStreamWithGenerator,
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mockFetchError,
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} from '../tests/utils/mock-fetch';
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import TestChatComponent from './TestChatComponent.vue';
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beforeEach(() => {
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render(TestChatComponent);
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});
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afterEach(() => {
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vi.restoreAllMocks();
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cleanup();
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});
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test('Shows streamed complex text response', async () => {
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mockFetchDataStream({
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url: 'https://example.com/api/chat',
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chunks: ['0:"Hello"\n', '0:","\n', '0:" world"\n', '0:"."\n'],
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});
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await userEvent.click(screen.getByTestId('button'));
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await screen.findByTestId('message-0');
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expect(screen.getByTestId('message-0')).toHaveTextContent('User: hi');
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await screen.findByTestId('message-1');
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expect(screen.getByTestId('message-1')).toHaveTextContent(
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'AI: Hello, world.',
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);
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});
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test('Shows streamed complex text response with data', async () => {
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mockFetchDataStream({
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url: 'https://example.com/api/chat',
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chunks: ['2:[{"t1":"v1"}]\n', '0:"Hello"\n'],
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});
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await userEvent.click(screen.getByTestId('button'));
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await screen.findByTestId('data');
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expect(screen.getByTestId('data')).toHaveTextContent('[{"t1":"v1"}]');
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await screen.findByTestId('message-1');
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expect(screen.getByTestId('message-1')).toHaveTextContent('AI: Hello');
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});
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test('Shows error response', async () => {
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mockFetchError({ statusCode: 404, errorMessage: 'Not found' });
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await userEvent.click(screen.getByTestId('button'));
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// TODO bug? the user message does not show up
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// await screen.findByTestId('message-0');
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// expect(screen.getByTestId('message-0')).toHaveTextContent('User: hi');
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await screen.findByTestId('error');
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expect(screen.getByTestId('error')).toHaveTextContent('Error: Not found');
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});
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describe('loading state', () => {
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test('should show loading state', async () => {
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let finishGeneration: ((value?: unknown) => void) | undefined;
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const finishGenerationPromise = new Promise(resolve => {
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finishGeneration = resolve;
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});
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mockFetchDataStreamWithGenerator({
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url: 'https://example.com/api/chat',
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chunkGenerator: (async function* generate() {
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const encoder = new TextEncoder();
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yield encoder.encode('0:"Hello"\n');
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await finishGenerationPromise;
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})(),
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});
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await userEvent.click(screen.getByTestId('button'));
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await screen.findByTestId('loading');
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expect(screen.getByTestId('loading')).toHaveTextContent('true');
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finishGeneration?.();
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await findByText(await screen.findByTestId('loading'), 'false');
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expect(screen.getByTestId('loading')).toHaveTextContent('false');
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});
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test('should reset loading state on error', async () => {
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mockFetchError({ statusCode: 404, errorMessage: 'Not found' });
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await userEvent.click(screen.getByTestId('button'));
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await screen.findByTestId('loading');
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expect(screen.getByTestId('loading')).toHaveTextContent('false');
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});
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});
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