test: cover comment rendering and edge-route states

2026-08-03 07:41:04 +02:00 · 2026-03-08 16:00:54 +08:00
parent a8ef232b1d
commit 9444d3e01a
7 changed files with 1138 additions and 1 deletions
@@ -0,0 +1,106 @@
+import * as React from 'react';
+import { createElement } from 'react';
+import { createRoot, type Root } from 'react-dom/client';
+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import NotFound from '../not-found';
+
+(globalThis as { IS_REACT_ACT_ENVIRONMENT?: boolean }).IS_REACT_ACT_ENVIRONMENT = true;
+const act = (React as { act?: (cb: () => void | Promise<void>) => void | Promise<void> }).act as (cb: () => void | Promise<void>) => void | Promise<void>;
+
+const testState = vi.hoisted(() => ({
+  directories: [{ address: 'music-posting.eth', title: '/mu/ - Music' }] as Array<{ address: string; title?: string }>,
+  location: {
+    pathname: '/mu/thread/missing-post',
+  },
+  resolvedAddress: 'music-posting.eth',
+  shortAddress: 'mu',
+  subplebbitAddress: 'music-posting.eth',
+}));
+
+vi.mock('react-router-dom', async () => {
+  const actual = await vi.importActual<typeof import('react-router-dom')>('react-router-dom');
+  return {
+    ...actual,
+    Link: ({ children, to }: { children: React.ReactNode; to: string }) => createElement('a', { href: to }, children),
+    useLocation: () => testState.location,
+  };
+});
+
+vi.mock('../../../hooks/use-stable-subplebbit', () => ({
+  useSubplebbitField: (_address: string, selector: (subplebbit: { address?: string; shortAddress?: string }) => string | undefined) =>
+    selector({
+      address: testState.resolvedAddress,
+      shortAddress: testState.shortAddress,
+    }),
+}));
+
+vi.mock('../../../hooks/use-directories', () => ({
+  useDirectories: () => testState.directories,
+}));
+
+vi.mock('../../../lib/utils/route-utils', () => ({
+  getSubplebbitAddress: () => testState.subplebbitAddress,
+}));
+
+vi.mock('../../home', () => ({
+  HomeLogo: () => createElement('div', { 'data-testid': 'home-logo' }, 'home-logo'),
+}));
+
+vi.mock('../../../components/not-found-image', () => ({
+  default: () => createElement('div', { 'data-testid': 'not-found-image' }, 'image'),
+}));
+
+let container: HTMLDivElement;
+let root: Root;
+
+const renderNotFound = async () => {
+  await act(async () => {
+    root.render(createElement(NotFound));
+  });
+};
+
+describe('NotFound', () => {
+  beforeEach(() => {
+    vi.clearAllMocks();
+    testState.directories = [{ address: 'music-posting.eth', title: '/mu/ - Music' }];
+    testState.location = {
+      pathname: '/mu/thread/missing-post',
+    };
+    testState.resolvedAddress = 'music-posting.eth';
+    testState.shortAddress = 'mu';
+    testState.subplebbitAddress = 'music-posting.eth';
+
+    container = document.createElement('div');
+    document.body.appendChild(container);
+    root = createRoot(container);
+  });
+
+  afterEach(() => {
+    act(() => root.unmount());
+    container.remove();
+  });
+
+  it('renders the board-specific back link when the missing route belongs to a known board', async () => {
+    await renderNotFound();
+
+    expect(container.querySelector('[data-testid="home-logo"]')).toBeTruthy();
+    expect(container.querySelector('[data-testid="not-found-image"]')).toBeTruthy();
+    expect(container.textContent).toContain('Not Found');
+    expect(container.textContent).toContain('Back to p/mu');
+    expect(container.querySelector('a')?.getAttribute('href')).toBe('/mu');
+  });
+
+  it('omits the board link for generic not-found routes', async () => {
+    testState.location = {
+      pathname: '/not-found',
+    };
+    testState.resolvedAddress = '';
+    testState.shortAddress = '';
+    testState.subplebbitAddress = '';
+
+    await renderNotFound();
+
+    expect(container.textContent).not.toContain('Back to p/');
+    expect(container.querySelector('a')).toBeNull();
+  });
+});