158 lines
7.9 KiB
TypeScript
158 lines
7.9 KiB
TypeScript
// @vitest-environment jsdom
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import { afterEach, describe, expect, it, vi } from 'vitest'
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import { cleanup, fireEvent, render, waitFor } from '@testing-library/react'
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import { AttachmentId } from '@deepseek-ai/dsh-attachment'
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import { ImageGallery, MessageImage } from '../src/MessageImage.tsx'
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import type { MessageImageLabels } from '../src/MessageImage.tsx'
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afterEach(cleanup)
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const labels: MessageImageLabels = {
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image: '图片',
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open: '查看原图',
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openNamed: label => `${label}，点击查看原图`,
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loading: '图片加载中…',
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loadFailed: '图片加载失败，点击重试',
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lightbox: { dialog: '原图预览', close: '关闭原图预览' },
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}
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const attachment = {
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attachmentId: AttachmentId(`sha256:${'a'.repeat(64)}`),
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mediaType: 'image/png' as const,
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bytes: 68,
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width: 640,
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height: 320,
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name: 'history.png',
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}
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describe('MessageImage', () => {
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it('loads a session-authorized URL, bounds the thumbnail, and clicks into the original', async () => {
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const load = vi.fn().mockResolvedValue('blob:history')
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const view = render(<MessageImage attachment={attachment} load={load} variant="single" labels={labels} />)
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const frame = view.getByRole('button', { name: 'history.png，点击查看原图' })
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expect(frame.getAttribute('style')).toContain('width: 240px')
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expect(frame.getAttribute('style')).toContain('height: 120px')
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expect(frame.getAttribute('title')).toBe('查看原图')
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await waitFor(() => { expect(view.getByAltText('history.png')).toBeTruthy() })
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expect(load).toHaveBeenCalledWith(attachment)
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fireEvent.click(frame)
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expect(view.getByRole('dialog', { name: '原图预览' })).toBeTruthy()
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fireEvent.click(view.getByRole('button', { name: '关闭原图预览' }))
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expect(view.queryByRole('dialog', { name: '原图预览' })).toBeNull()
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})
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it('ignores a click while the thumbnail is still loading', () => {
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const load = vi.fn(() => new Promise<string>(() => {}))
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const view = render(<MessageImage attachment={attachment} load={load} variant="single" labels={labels} />)
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const frame = view.getByRole('button', { name: 'history.png，点击查看原图' })
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expect(view.getByText('图片加载中…')).toBeTruthy()
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fireEvent.click(frame)
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expect(view.queryByRole('dialog')).toBeNull()
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})
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it('falls back to the image label for an unnamed attachment', async () => {
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const { name: _named, ...unnamed } = attachment
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const load = vi.fn().mockResolvedValue('blob:unnamed')
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const view = render(<MessageImage attachment={unnamed} load={load} variant="single" labels={labels} />)
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await waitFor(() => { expect(view.getByAltText('图片')).toBeTruthy() })
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expect(view.getByRole('button', { name: '图片，点击查看原图' })).toBeTruthy()
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})
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it('surfaces a retry control when durable bytes cannot be read, including a failed retry', async () => {
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const load = vi.fn()
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.mockRejectedValueOnce(new Error('offline'))
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.mockRejectedValueOnce(new Error('still offline'))
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.mockResolvedValueOnce('blob:retry')
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const view = render(<MessageImage attachment={attachment} load={load} variant="single" labels={labels} />)
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const retry = await view.findByRole('button', { name: '图片加载失败，点击重试' })
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fireEvent.click(retry)
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const retryAgain = await view.findByRole('button', { name: '图片加载失败，点击重试' })
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fireEvent.click(retryAgain)
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await waitFor(() => { expect(view.getByAltText('history.png')).toBeTruthy() })
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expect(load).toHaveBeenCalledTimes(3)
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})
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it('clamps extreme aspect ratios and anchors the crop toward the informative edge', async () => {
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const load = vi.fn().mockResolvedValue('blob:ratio')
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const tall = render(
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<MessageImage attachment={{ ...attachment, width: 100, height: 2000 }} load={load} variant="single" labels={labels} />,
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)
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const tallFrame = tall.getByRole('button', { name: 'history.png，点击查看原图' })
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expect(tallFrame.getAttribute('style')).toContain('width: 60px')
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expect(tallFrame.getAttribute('style')).toContain('height: 240px')
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await waitFor(() => { expect(tall.getByAltText('history.png')).toBeTruthy() })
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expect(tall.getByAltText('history.png').style.objectPosition).toBe('center top')
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tall.unmount()
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const wide = render(
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<MessageImage attachment={{ ...attachment, width: 4000, height: 100 }} load={load} variant="single" labels={labels} />,
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)
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const wideFrame = wide.getByRole('button', { name: 'history.png，点击查看原图' })
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expect(wideFrame.getAttribute('style')).toContain('width: 240px')
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expect(wideFrame.getAttribute('style')).toContain('height: 60px')
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await waitFor(() => { expect(wide.getByAltText('history.png')).toBeTruthy() })
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expect(wide.getByAltText('history.png').style.objectPosition).toBe('left center')
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wide.unmount()
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const small = render(
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<MessageImage attachment={{ ...attachment, width: 100, height: 100 }} load={load} variant="single" labels={labels} />,
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)
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const smallFrame = small.getByRole('button', { name: 'history.png，点击查看原图' })
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expect(smallFrame.getAttribute('style')).toContain('width: 100px')
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expect(smallFrame.getAttribute('style')).toContain('height: 100px')
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})
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it('renders a tile at the fixed square without inline sizing', () => {
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const load = vi.fn(() => new Promise<string>(() => {}))
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const view = render(<MessageImage attachment={attachment} load={load} variant="tile" labels={labels} />)
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const frame = view.getByRole('button', { name: 'history.png，点击查看原图' })
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expect(frame.getAttribute('data-variant')).toBe('tile')
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expect(frame.getAttribute('style')).toBeNull()
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})
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it('keeps the tile variant on the failed-load retry control', async () => {
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const load = vi.fn().mockRejectedValue(new Error('offline'))
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const view = render(<MessageImage attachment={attachment} load={load} variant="tile" labels={labels} />)
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const retry = await view.findByRole('button', { name: '图片加载失败，点击重试' })
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expect(retry.getAttribute('data-variant')).toBe('tile')
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})
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it('ignores a load settling after unmount', async () => {
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let resolve: ((url: string) => void) | undefined
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const load = vi.fn(() => new Promise<string>((r) => { resolve = r }))
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const view = render(<MessageImage attachment={attachment} load={load} variant="single" labels={labels} />)
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view.unmount()
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resolve?.('blob:late')
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await Promise.resolve()
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let reject: ((error: Error) => void) | undefined
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const failing = vi.fn(() => new Promise<string>((_r, rej) => { reject = rej }))
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const second = render(<MessageImage attachment={attachment} load={failing} variant="single" labels={labels} />)
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second.unmount()
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reject?.(new Error('late failure'))
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await Promise.resolve()
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})
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})
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describe('ImageGallery', () => {
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it('renders nothing without images and an aligned wrapping group with them', async () => {
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const load = vi.fn().mockResolvedValue('blob:gallery')
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const empty = render(<ImageGallery images={[]} load={load} align="start" labels={labels} />)
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expect(empty.container.firstChild).toBeNull()
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const view = render(
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<ImageGallery images={[{ attachment }, { attachment }]} load={load} align="end" labels={labels} />,
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)
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expect(view.container.querySelector('[data-align="end"]')).not.toBeNull()
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await waitFor(() => { expect(view.getAllByAltText('history.png')).toHaveLength(2) })
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})
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it('renders a lone image large and several images as square tiles', () => {
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const load = vi.fn(() => new Promise<string>(() => {}))
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const lone = render(<ImageGallery images={[{ attachment }]} load={load} align="start" labels={labels} />)
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expect(lone.container.querySelectorAll('[data-variant="single"]')).toHaveLength(1)
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lone.unmount()
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const several = render(
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<ImageGallery images={[{ attachment }, { attachment }, { attachment }]} load={load} align="end" labels={labels} />,
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)
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expect(several.container.querySelectorAll('[data-variant="tile"]')).toHaveLength(3)
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})
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})
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