test(dpip): [PKG-DPIP-02] reproduce window races and DOM rollback failures

test/browser/dpip.spec.js

@@ -0,0 +1,90 @@
+import { hash } from '../../refactor/scripts/releases.mjs'
+import { dpipHistorical } from '../helpers/dpip.js'
+import { expect, test } from './fixtures.js'
+
+const implementations = await dpipHistorical()
+
+async function setup(page, core, implementation, testInfo) {
+  await page.goto(`/test/player.html?core=${core}`)
+  await page.evaluate(() => {
+    window.dpipEvidence = { nativeCapability: typeof window.documentPictureInPicture?.requestWindow === 'function', scope: 'real DOM iframe with controlled requestWindow; not native Document PiP', windows: [], requests: [], events: [] }
+    Object.defineProperty(window, 'documentPictureInPicture', { configurable: true, value: {
+      requestWindow(option) {
+        return new Promise((resolve) => {
+          window.dpipEvidence.requests.push({ option, resolve })
+        })
+      },
+    } })
+    window.resolveDpip = (index) => {
+      const frame = document.createElement('iframe')
+      frame.width = '640'
+      frame.height = '360'
+      frame.style.cssText = 'display:block;border:0;width:640px;height:360px'
+      document.body.appendChild(frame)
+      const popup = frame.contentWindow
+      const record = { frame, popup, closed: false }
+      Object.defineProperty(popup, 'close', { configurable: true, value: () => {
+        record.closed = true
+      } })
+      window.dpipEvidence.windows.push(record)
+      window.dpipEvidence.requests[index].resolve(popup)
+    }
+  })
+  await page.addScriptTag({ content: `(() => { const module = { exports: {} }; const exports = module.exports; ${implementation.code}; window.dpipFactory = module.exports.default || module.exports; })();` })
+  await page.evaluate(() => {
+    window.art = new window.Artplayer({ container: '.player', url: '/test/pattern.mp4', muted: true, plugins: [window.dpipFactory()] })
+    window.dpip = window.art.plugins.artplayerPluginDocumentPip
+    window.dpipPlayer = window.art.template.$player
+    window.dpipVideo = window.art.video
+    window.dpipParent = window.dpipPlayer.parentNode
+    window.art.on('document-pip', active => window.dpipEvidence.events.push(active))
+  })
+  await expect.poll(() => page.evaluate(() => window.art.video.readyState)).toBeGreaterThanOrEqual(2)
+  await testInfo.attach('dpip-input', { contentType: 'application/json', body: JSON.stringify({ implementation: implementation.name, sha256: hash(implementation.code), core, ...(await page.evaluate(() => ({ capability: window.dpipEvidence.nativeCapability, scope: window.dpipEvidence.scope }))) }) })
+}
+
+for (const implementation of implementations) {
+  for (const core of ['published', 'candidate']) {
+    test(`Document PiP ${implementation.name}/${core}: real DOM migration and pagehide restore preserve media and controls`, async ({ page }, testInfo) => {
+      await setup(page, core, implementation, testInfo)
+      await page.evaluate(() => {
+        window.dpipOpening = window.dpip.open()
+        window.resolveDpip(0)
+      })
+      await page.evaluate(() => window.dpipOpening)
+      await expect.poll(() => page.evaluate(() => window.dpipVideo.videoWidth)).toBe(testInfo.project.name === 'webkit' ? 640 : 320)
+      expect(await page.evaluate(() => ({ active: window.dpip.isActive, adopted: window.dpipPlayer.ownerDocument === window.dpipEvidence.windows[0].popup.document, videoIdentity: window.dpipVideo === window.art.video, placeholder: window.dpipParent.querySelectorAll('.artplayer-document-pip-placeholder').length, width: window.dpipVideo.videoWidth }))).toEqual({ active: true, adopted: true, videoIdentity: true, placeholder: 1, width: testInfo.project.name === 'webkit' ? 640 : 320 })
+      await page.evaluate(() => {
+        const popup = window.dpipEvidence.windows[0].popup
+        popup.dispatchEvent(new popup.Event('pagehide'))
+        popup.dispatchEvent(new popup.Event('unload'))
+      })
+      await expect.poll(() => page.evaluate(() => window.dpip.isActive)).toBe(false)
+      expect(await page.evaluate(() => ({ restored: window.dpipPlayer.parentNode === window.dpipParent && window.dpipPlayer.ownerDocument === document, videoIdentity: window.art.video === window.dpipVideo, placeholders: document.querySelectorAll('.artplayer-document-pip-placeholder').length, closed: window.dpipEvidence.windows[0].closed, events: window.dpipEvidence.events }))).toEqual({ restored: true, videoIdentity: true, placeholders: 0, closed: true, events: [true, false] })
+      await page.evaluate(() => window.art.destroy())
+    })
+
+    test(`Document PiP ${implementation.name}/${core}: historical pending close and moved placeholder fail in real DOM`, async ({ page }, testInfo) => {
+      await setup(page, core, implementation, testInfo)
+      await page.evaluate(async () => {
+        window.dpipOpening = window.dpip.open()
+        await window.dpip.close()
+        window.resolveDpip(0)
+        await window.dpipOpening
+      })
+      expect(await page.evaluate(() => window.dpip.isActive)).toBe(true)
+      await page.evaluate(async () => {
+        document.body.appendChild(document.querySelector('.artplayer-document-pip-placeholder'))
+        const closing = window.dpip.close()
+        window.dpipFailureSnapshot = { active: window.dpip.isActive, detached: window.dpipPlayer.parentNode === null, closed: window.dpipEvidence.windows[0].closed, notice: window.art.template.$noticeInner.textContent }
+        await closing
+      })
+      expect(await page.evaluate(() => window.dpipFailureSnapshot)).toEqual({ active: true, detached: true, closed: false, notice: 'Document Picture-in-Picture close failed' })
+      await page.evaluate(async () => {
+        window.dpipParent.appendChild(document.querySelector('.artplayer-document-pip-placeholder'))
+        await window.dpip.close()
+        window.art.destroy()
+      })
+    })
+  }
+}