refac: missing mutation tests, spa specs, checks shown to pass, touch targets, catalogue entry, production code
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Florian Sylvain committed
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@@ -0,0 +1,213 @@
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import { join, resolve } from 'node:path'
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import { build, preview } from 'vite'
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import { chromium, type Browser, type Locator, type Page } from 'playwright'
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import { listApi } from './articleListStates'
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import { visualStates, type ApiMock, type VisualState } from './states'
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interface TouchTarget {
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name: string
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find: (page: Page) => Locator
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todo?: string
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}
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interface TouchCheck {
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label: string
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setup: VisualState
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targets: TouchTarget[]
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}
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const MOBILE = { width: 390, height: 844 }
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const MIN_TARGET_PX = 44
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const SETTLE_MS = 400
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const webRoot = resolve(import.meta.dirname, '..')
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const distRoot = join(webRoot, '..', 'tmp', 'visual', 'touch-dist')
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const configFile = join(webRoot, 'vite.config.ts')
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const shellApi: Record<string, ApiMock> = {
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'GET /v1/content-type': { status: 200, body: [] },
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}
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const editorStates = visualStates['localization-editor'] ?? {}
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function editorState(name: string) {
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const setup = editorStates[name]
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if (!setup) {
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throw new Error(`No localization-editor setup named ${name}`)
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}
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return setup
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}
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const byRole = (role: 'button' | 'menuitem', name: string | RegExp) => (page: Page) =>
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page.getByRole(role, { name, exact: typeof name === 'string' })
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const checks: TouchCheck[] = [
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{
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label: 'Editor header (loc.l5.default)',
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setup: editorState('loc.l5.default'),
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targets: [
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{ name: 'Language switcher', find: byRole('button', /Switch version$/) },
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{ name: 'Save', find: byRole('button', 'Save') },
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{ name: 'Publish French', find: byRole('button', 'Publish French') },
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{ name: 'More actions', find: byRole('button', 'More actions') },
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],
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},
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{
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label: 'Language sheet rows (loc.l5.menu)',
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setup: editorState('loc.l5.menu'),
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targets: ['English', 'French', 'German', 'Arabic'].map((language) => ({
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name: `${language} row`,
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find: byRole('menuitem', new RegExp(`^${language}`)),
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})),
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},
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{
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label: 'Article list coverage overflow chip (loc.l7.long)',
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setup: {
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path: '/article?site=atelier&status=draft&seo=suggestions&size=5',
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api: listApi(),
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},
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targets: [
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{
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name: '+N chip',
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find: byRole('button', /more languages?:/),
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todo: 'components.md wants a 44 px tap area at 390 px; StoryCoverage draws the 22 px chip with no larger hit area (Phase 4)',
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},
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],
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},
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]
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async function serveApp() {
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await build({
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configFile,
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root: webRoot,
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logLevel: 'warn',
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build: { outDir: distRoot, emptyOutDir: true },
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})
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const server = await preview({
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configFile,
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root: webRoot,
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logLevel: 'warn',
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build: { outDir: distRoot },
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preview: { port: 4190, strictPort: false, open: false },
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})
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const origin = server.resolvedUrls?.local[0]?.replace(/\/$/, '')
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if (!origin) {
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throw new Error('Vite preview did not report a local URL')
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}
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return { origin, close: () => server.close() }
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}
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function fulfilment(mock: ApiMock, url: URL, call: number) {
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const body = mock.bodyFor ? mock.bodyFor(url, call) : mock.body
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const text = typeof body === 'string'
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return {
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status: mock.status,
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headers: { ...mock.headers, ...mock.headersFor?.(url, call) },
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contentType: text ? 'text/plain; charset=utf-8' : 'application/json',
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body: body === undefined ? '' : text ? (body as string) : JSON.stringify(body),
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}
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}
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async function openState(browser: Browser, origin: string, setup: VisualState) {
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const context = await browser.newContext({ viewport: MOBILE, reducedMotion: 'reduce' })
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await context.route(
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(url) => url.hostname.startsWith('api.') && url.hostname !== new URL(origin).hostname,
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(route) => route.fulfill({ status: 404, body: '' }),
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)
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const calls = new Map<string, number>()
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await context.route('**/v1/**', async (route) => {
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const request = route.request()
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const url = new URL(request.url())
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const key = `${request.method()} ${url.pathname}`
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const call = (calls.get(key) ?? 0) + 1
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calls.set(key, call)
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const mock = setup.api?.[key] ?? shellApi[key]
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if (!mock) {
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await route.fulfill({ status: 404, body: '' })
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return
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}
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if (mock.hang) {
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return
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}
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await route.fulfill(fulfilment(mock, url, call))
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})
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const page = await context.newPage()
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await page.goto(`${origin}${setup.path}`)
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await Promise.race([page.waitForLoadState('networkidle'), page.waitForTimeout(2000)])
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await page.waitForFunction(
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() => (document.querySelector('#app')?.textContent ?? '').trim().length > 0,
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)
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await setup.steps?.(page)
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await page.waitForTimeout(SETTLE_MS)
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return page
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}
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async function hitHeight(target: Locator) {
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return target.evaluate((element) => {
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const box = element.getBoundingClientRect()
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const x = box.left + box.width / 2
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const middle = box.top + box.height / 2
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const hits = (y: number) => {
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const found = document.elementFromPoint(x, y)
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return found !== null && (found === element || element.contains(found))
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}
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let top = middle
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while (top > middle - 40 && hits(top - 1)) {
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top -= 1
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}
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let bottom = middle
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while (bottom < middle + 40 && hits(bottom + 1)) {
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bottom += 1
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}
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return { box: box.height, hit: bottom - top + 1 }
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})
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}
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async function main() {
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const app = await serveApp()
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const browser = await chromium.launch()
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const lines: string[] = []
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let failures = 0
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let todos = 0
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try {
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for (const check of checks) {
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const page = await openState(browser, app.origin, check.setup)
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for (const target of check.targets) {
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const located = target.find(page).first()
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if ((await located.count()) === 0) {
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failures++
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lines.push(`FAIL ${check.label} · ${target.name}: not found`)
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continue
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}
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const { box, hit } = await hitHeight(located)
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const height = Math.max(Math.round(box), hit)
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const pass = height >= MIN_TARGET_PX
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const measured = `box ${box.toFixed(1)} px, tap area ${hit} px`
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if (target.todo && !pass) {
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todos++
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lines.push(`TODO ${check.label} · ${target.name}: ${measured} (${target.todo})`)
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continue
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}
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if (!pass) {
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failures++
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}
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lines.push(`${pass ? 'PASS' : 'FAIL'} ${check.label} · ${target.name}: ${measured}`)
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}
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await page.context().close()
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}
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} finally {
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await browser.close()
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await app.close()
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}
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console.log(lines.join('\n'))
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console.log(
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failures
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? `FAIL: ${failures} touch targets under ${MIN_TARGET_PX} px at 390 px`
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: `PASS: every checked touch target is at least ${MIN_TARGET_PX} px high at 390 px${todos ? `, ${todos} known gap${todos > 1 ? 's' : ''} listed as TODO` : ''}`,
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)
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if (failures) {
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process.exitCode = 1
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}
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}
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await main()
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