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import React from 'react';
import '@testing-library/jest-dom';
import { render, screen, waitFor } from '@testing-library/react';
import { MemoryRouter, Route, Routes } from 'react-router-dom';
import { describe, it, expect, vi, beforeEach } from 'vitest';
import FeedItems from './FeedItems';
describe('FeedItems Component', () => {
beforeEach(() => {
vi.resetAllMocks();
global.fetch = vi.fn();
});
it('renders loading state', () => {
(global.fetch as any).mockImplementation(() => new Promise(() => { }));
render(
<MemoryRouter initialEntries={['/feed/1']}>
<Routes>
<Route path="/feed/:feedId" element={<FeedItems />} />
</Routes>
</MemoryRouter>
);
expect(screen.getByText(/loading items/i)).toBeInTheDocument();
});
it('renders items for a feed', async () => {
const mockItems = [
{ _id: 101, title: 'Item One', url: 'http://example.com/1', publish_date: '2023-01-01', read: false },
{ _id: 102, title: 'Item Two', url: 'http://example.com/2', publish_date: '2023-01-02', read: true },
];
(global.fetch as any).mockResolvedValueOnce({
ok: true,
json: async () => mockItems,
});
render(
<MemoryRouter initialEntries={['/feed/1']}>
<Routes>
<Route path="/feed/:feedId" element={<FeedItems />} />
</Routes>
</MemoryRouter>
);
await waitFor(() => {
expect(screen.getByText('Item One')).toBeInTheDocument();
expect(screen.getByText('Item Two')).toBeInTheDocument();
});
expect(global.fetch).toHaveBeenCalledWith('/api/stream?feed_id=1');
});
});
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