Files
deepseek-harness/packages/client/ui-renderer/tests/document-title.client.spec.tsx
T

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1.5 KiB
TypeScript

// @vitest-environment jsdom
import { afterEach, describe, expect, it, vi } from 'vitest'
import { cleanup, render } from '@testing-library/react'
import { DocumentTitle } from '../src/client/DocumentTitle.tsx'
afterEach(() => {
cleanup()
document.title = ''
vi.unstubAllEnvs()
})
describe('DocumentTitle', () => {
it('projects a durable title and restores the product title', () => {
vi.stubEnv('DSH_CLIENT_TITLE', 'DeepSeek Harness')
document.title = 'stale title'
const mounted = render(<DocumentTitle productTitle="DeepSeek Harness" />)
expect(document.title).toBe('DeepSeek Harness')
mounted.rerender(<DocumentTitle title="First title" productTitle="DeepSeek Harness" />)
expect(document.title).toBe('First title — DeepSeek Harness')
mounted.rerender(<DocumentTitle title="Revised title" productTitle="DeepSeek Harness" />)
expect(document.title).toBe('Revised title — DeepSeek Harness')
mounted.rerender(<DocumentTitle productTitle="DeepSeek Harness" />)
expect(document.title).toBe('DeepSeek Harness')
mounted.unmount()
expect(document.title).toBe('DeepSeek Harness')
})
it('uses the generic title when the build provides no title', () => {
vi.stubEnv('DSH_CLIENT_TITLE', '')
delete process.env.DSH_CLIENT_TITLE
const mounted = render(<DocumentTitle title="First title" productTitle="DSH Local Build" />)
expect(document.title).toBe('First title — DSH Local Build')
mounted.unmount()
expect(document.title).toBe('DSH Local Build')
})
})