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import React from 'react';
import '@testing-library/jest-dom';
import { render, screen, waitFor, fireEvent } from '@testing-library/react';
import { describe, it, expect, vi, beforeEach } from 'vitest';
import FeedList from './FeedList';
import { BrowserRouter } from 'react-router-dom';
describe('FeedList Component', () => {
beforeEach(() => {
vi.resetAllMocks();
global.fetch = vi.fn();
});
it('renders loading state initially', () => {
vi.mocked(global.fetch).mockImplementation(() => new Promise(() => { }));
render(
<BrowserRouter>
<FeedList
theme="light"
setTheme={() => { }}
setSidebarVisible={() => { }}
isMobile={false}
/>
</BrowserRouter>
);
expect(screen.getByText(/loading feeds/i)).toBeInTheDocument();
});
it('renders list of feeds', async () => {
const mockFeeds = [
{
_id: 1,
title: 'Feed One',
url: 'http://example.com/rss',
web_url: 'http://example.com',
category: 'Tech',
},
{
_id: 2,
title: 'Feed Two',
url: 'http://test.com/rss',
web_url: 'http://test.com',
category: 'News',
},
];
vi.mocked(global.fetch).mockImplementation((url) => {
const urlStr = url.toString();
if (urlStr.includes('/api/feed/')) {
return Promise.resolve({
ok: true,
json: async () => mockFeeds,
} as Response);
}
if (urlStr.includes('/api/tag')) {
return Promise.resolve({
ok: true,
json: async () => [{ title: 'Tech' }],
} as Response);
}
return Promise.reject(new Error(`Unknown URL: ${url}`));
});
render(
<BrowserRouter>
<FeedList
theme="light"
setTheme={() => { }}
setSidebarVisible={() => { }}
isMobile={false}
/>
</BrowserRouter>
);
await waitFor(() => {
expect(screen.queryByText(/loading feeds/i)).not.toBeInTheDocument();
});
// Expand feeds
fireEvent.click(screen.getByText(/feeds/i, { selector: 'h4' }));
await waitFor(() => {
expect(screen.getByText('Feed One')).toBeInTheDocument();
expect(screen.getByText('Feed Two')).toBeInTheDocument();
const techElements = screen.getAllByText('Tech');
expect(techElements.length).toBeGreaterThan(0);
});
});
it('handles fetch error', async () => {
vi.mocked(global.fetch).mockImplementation(() => Promise.reject(new Error('API Error')));
render(
<BrowserRouter>
<FeedList
theme="light"
setTheme={() => { }}
setSidebarVisible={() => { }}
isMobile={false}
/>
</BrowserRouter>
);
await waitFor(() => {
expect(screen.getByText(/error: api error/i)).toBeInTheDocument();
});
});
it('handles empty feed list', async () => {
vi.mocked(global.fetch).mockImplementation((url) => {
const urlStr = url.toString();
if (urlStr.includes('/api/feed/')) {
return Promise.resolve({
ok: true,
json: async () => [],
} as Response);
}
if (urlStr.includes('/api/tag')) {
return Promise.resolve({
ok: true,
json: async () => [],
} as Response);
}
return Promise.reject(new Error(`Unknown URL: ${url}`));
});
render(
<BrowserRouter>
<FeedList
theme="light"
setTheme={() => { }}
setSidebarVisible={() => { }}
isMobile={false}
/>
</BrowserRouter>
);
await waitFor(() => {
expect(screen.queryByText(/loading feeds/i)).not.toBeInTheDocument();
});
// Expand feeds
fireEvent.click(screen.getByText(/feeds/i, { selector: 'h4' }));
await waitFor(() => {
expect(screen.getByText(/no feeds found/i)).toBeInTheDocument();
});
});
it('handles search submission', async () => {
vi.mocked(global.fetch).mockResolvedValue({ ok: true, json: async () => [] } as Response);
render(
<BrowserRouter>
<FeedList theme="light" setTheme={() => { }} setSidebarVisible={() => { }} isMobile={false} />
</BrowserRouter>
);
// Wait for load
await waitFor(() => {
expect(screen.queryByText(/loading feeds/i)).not.toBeInTheDocument();
});
const searchInput = screen.getByPlaceholderText(/search\.\.\./i);
fireEvent.change(searchInput, { target: { value: 'test search' } });
fireEvent.submit(searchInput.closest('form')!);
// Should navigate to include search query
// Since we're using BrowserRouter in test, we can only check if it doesn't crash
// but we can't easily check 'navigate' unless we mock it.
});
it('handles logout', async () => {
vi.mocked(global.fetch).mockResolvedValue({ ok: true, json: async () => [] } as Response);
// Mock window.location
const originalLocation = window.location;
const locationMock = new URL('http://localhost/v2/');
delete (window as { location?: Location }).location;
(window as { location?: unknown }).location = {
...originalLocation,
assign: vi.fn(),
replace: vi.fn(),
get href() { return locationMock.href; },
set href(val: string) { locationMock.href = new URL(val, locationMock.origin).href; }
};
render(
<BrowserRouter>
<FeedList theme="light" setTheme={() => { }} setSidebarVisible={() => { }} isMobile={false} />
</BrowserRouter>
);
// Wait for load
await waitFor(() => {
expect(screen.queryByText(/loading feeds/i)).not.toBeInTheDocument();
});
const logoutBtn = screen.getByText(/logout/i);
fireEvent.click(logoutBtn);
await waitFor(() => {
expect(global.fetch).toHaveBeenCalledWith('/api/logout', expect.any(Object));
expect(window.location.href).toContain('/v2/#/login');
});
// @ts-expect-error - restoring window.location
window.location = originalLocation;
});
it('closes sidebar on mobile link click', async () => {
vi.mocked(global.fetch).mockResolvedValue({ ok: true, json: async () => [] } as Response);
const setSidebarVisible = vi.fn();
render(
<BrowserRouter>
<FeedList theme="light" setTheme={() => { }} setSidebarVisible={setSidebarVisible} isMobile={true} />
</BrowserRouter>
);
// Wait for load
await waitFor(() => {
expect(screen.queryByText(/loading feeds/i)).not.toBeInTheDocument();
});
const unreadLink = screen.getByText(/unread/i);
fireEvent.click(unreadLink);
expect(setSidebarVisible).toHaveBeenCalledWith(false);
});
});
|
