test(vast): [PKG-VAST-02] cover SDK failures and lifecycle races

2026-10-08 19:06:15 -08:00 · 2026-09-12 09:19:01 +08:00
1 parent 4f39d6f2b9
commit d5e1feadf5
@@ -51,7 +51,7 @@
    "ci:build": "yarn build:types && yarn build all && yarn build:i18n && yarn build:ts && yarn build:docs && yarn test:imports",
    "test:imports": "node --test test/esm.test.js test/i18n.test.js test/ssr.test.js",
    "typecheck": "node scripts/typecheck.mjs",
-    "test:unit": "node --test test/ads.test.js test/ads-lifecycle.test.js test/playback.test.js test/dash-control.test.js test/dash-contract.test.js test/dash-lifecycle.test.js test/dash-events.test.js test/hls-control.test.js test/audio-track.test.js test/public-behavior.test.js test/helpers.test.js test/chapter.test.js test/utils.test.js test/resource-scope.test.js test/instance-lifecycle.test.js test/options.test.js test/media-hosts.test.js test/plugins.test.js test/source.test.js test/playback-properties.test.js test/media-events.test.js test/template-resources.test.js test/core-vendor.test.js test/component-resources.test.js test/setting-model.test.js test/setting-layout.test.js test/setting-resources.test.js test/subtitle.test.js test/display-native.test.js test/display-video-fullscreen.test.js test/display-pip.test.js test/display-mini.test.js test/display-sizing.test.js test/display-orientation.test.js test/hotkey.test.js test/listener-registry.test.js test/global-events.test.js test/pointer-events.test.js test/gesture.test.js test/event-scheduling.test.js test/notice.test.js test/fast-forward.test.js test/auto-playback.test.js test/builtin-layers.test.js test/prompt-components.test.js test/screenshot.test.js test/thumbnails.test.js test/progress.test.js test/environment.test.js test/storage.test.js test/facade-properties.test.js test/dom-boundaries.test.js test/initialization.test.js test/entry.test.js test/accessibility-button.test.js test/accessibility-focus.test.js test/accessibility-slider.test.js",
+    "test:unit": "node --test test/vast.test.js test/ads.test.js test/ads-lifecycle.test.js test/playback.test.js test/dash-control.test.js test/dash-contract.test.js test/dash-lifecycle.test.js test/dash-events.test.js test/hls-control.test.js test/audio-track.test.js test/public-behavior.test.js test/helpers.test.js test/chapter.test.js test/utils.test.js test/resource-scope.test.js test/instance-lifecycle.test.js test/options.test.js test/media-hosts.test.js test/plugins.test.js test/source.test.js test/playback-properties.test.js test/media-events.test.js test/template-resources.test.js test/core-vendor.test.js test/component-resources.test.js test/setting-model.test.js test/setting-layout.test.js test/setting-resources.test.js test/subtitle.test.js test/display-native.test.js test/display-video-fullscreen.test.js test/display-pip.test.js test/display-mini.test.js test/display-sizing.test.js test/display-orientation.test.js test/hotkey.test.js test/listener-registry.test.js test/global-events.test.js test/pointer-events.test.js test/gesture.test.js test/event-scheduling.test.js test/notice.test.js test/fast-forward.test.js test/auto-playback.test.js test/builtin-layers.test.js test/prompt-components.test.js test/screenshot.test.js test/thumbnails.test.js test/progress.test.js test/environment.test.js test/storage.test.js test/facade-properties.test.js test/dom-boundaries.test.js test/initialization.test.js test/entry.test.js test/accessibility-button.test.js test/accessibility-focus.test.js test/accessibility-slider.test.js",
    "test:coverage": "node --test test/coverage.test.js && node scripts/coverage.mjs",
    "test": "yarn test:node && yarn test:baseline",
    "test:browser": "playwright test",
@@ -64,7 +64,8 @@
    "check:types": "node scripts/build-types.mjs --check",
    "test:dash-types-package": "node refactor/scripts/dash-package-types.mjs",
    "test:ads-types-package": "node refactor/scripts/ads-package-types.mjs",
-    "test:ads-native-visibility": "node refactor/scripts/ads-native-visibility.mjs"
+    "test:ads-native-visibility": "node refactor/scripts/ads-native-visibility.mjs",
+    "test:vast": "node --test test/vast.test.js"
  },
  "browserslist": "last 1 Chrome version",
  "devDependencies": {
@@ -0,0 +1,139 @@
+{
+  "schemaVersion": 1,
+  "task": "PKG-VAST-02",
+  "status": "done",
+  "sourceCommit": "4f39d6f2",
+  "checks": [
+    {
+      "command": "node --test test/vast.test.js",
+      "result": "pass",
+      "tests": 45,
+      "log": {
+        "file": "refactor/.cache/vast02-node-first.log",
+        "sha256": "b1c09921f58ce666c1821d27c62d1f47efedd909effa0b7d85a13a2cc7ad17f5"
+      }
+    },
+    {
+      "command": "node --test refactor/scripts/vast-core.test.mjs",
+      "result": "pass",
+      "tests": 1,
+      "archiveMembers": 197,
+      "log": {
+        "file": "refactor/.cache/vast02-core-final.log",
+        "sha256": "ca1f47472f291b1398486296a45c0a9a64fa28cf89a8a0d93d72c71fc4bebec7"
+      }
+    },
+    {
+      "command": "yarn test:browser vast.spec.js",
+      "result": "pass",
+      "tests": 90,
+      "engines": [
+        "chromium",
+        "firefox",
+        "webkit"
+      ],
+      "cores": [
+        "5.1.7",
+        "5.4.1",
+        "candidate"
+      ],
+      "sdk": "controlled wrapper recorder",
+      "stats": {
+        "startTime": "2026-09-12T01:14:19.958Z",
+        "duration": 46382.678,
+        "expected": 90,
+        "skipped": 0,
+        "unexpected": 0,
+        "flaky": 0
+      },
+      "log": {
+        "file": "refactor/.cache/vast02-browser-final.log",
+        "sha256": "75fb8c623a8f4b8fc35a8cfc46b896acf689c5e5065482c5d7419f278cf59ae3"
+      },
+      "report": {
+        "file": "refactor/.cache/vast02-browser-final-report.json",
+        "sha256": "2cc94fa3417b9395363159187ea84cb56735ec6c500b6b1dca981d1b388a43c0"
+      },
+      "results": "refactor/.cache/vast02-browser-final-results"
+    },
+    {
+      "command": "yarn ci:check",
+      "result": "pass",
+      "tests": {
+        "unit": 817,
+        "engineering": 14,
+        "baseline": 54,
+        "total": 885
+      },
+      "log": {
+        "file": "refactor/.cache/vast02-ci.log",
+        "sha256": "7849c7f9a1f38fdc23185713fd8a048a8cafb596cc86ca4276a326c01b2db02d"
+      }
+    }
+  ],
+  "limitations": [
+    "External SDK is a controlled recorder, not Google IMA",
+    "Production VAST sources/types/distribution unchanged",
+    "VPN exception has not been used",
+    "Historical defect observations are not candidate acceptance assertions"
+  ],
+  "inputs": [
+    {
+      "file": "package.json",
+      "sha256LF": "1439c59c47faa2ea18ef1fbc041377766706f9bcd1a6fb342106d5abb65195fe"
+    },
+    {
+      "file": "test/helpers/vast-sdk.js",
+      "sha256LF": "877936c0255c4cff3bcd4688f69b1e4bfe58476f9e7ac6a2d87803af673233af"
+    },
+    {
+      "file": "test/helpers/vast.js",
+      "sha256LF": "ea985ca97946645a8b6fc76c9d69ec4fc12f959ab175402cd34e93bc81c14ce9"
+    },
+    {
+      "file": "test/vast.test.js",
+      "sha256LF": "b02c12c0440540f4f13929bbdcb3607621a42fdc6f29debbc912189c3aa025a6"
+    },
+    {
+      "file": "test/browser/vast.spec.js",
+      "sha256LF": "0f849e361faef9e49dbcaec3c0c692f94946cde98654cab329a1c4b1e056aaea"
+    },
+    {
+      "file": "test/browser/server.mjs",
+      "sha256LF": "af513e1e64f875668b6a7cbd060276d85d930e0cc1715577e97907cc26c3b58d"
+    },
+    {
+      "file": "refactor/scripts/vast-core.test.mjs",
+      "sha256LF": "74233f2ba5d87314cd3cb6ae8b3bdf8569faf538bd87ee9422e45f461a21cc4a"
+    },
+    {
+      "file": "refactor/baselines/vast-core.json",
+      "sha256LF": "bb703cf37591211f78719665aed0e0cb2524ec5618dad48e6b8e2dbfef132b8e"
+    },
+    {
+      "file": "refactor/baselines/vast-release.json",
+      "sha256LF": "493e15fa8d3cd1a9215a409dd78db61ecaef5f82f9629dfdc3f6090e7fad8453"
+    }
+  ],
+  "previousRuns": [
+    {
+      "result": "90 passed before adding content source-switch assertions",
+      "log": {
+        "file": "refactor/.cache/vast02-browser-first.log",
+        "sha256": "6cd71f04c25e14a316918fedc5008b1802fc602493f2507529a9bcfb358200ed"
+      },
+      "report": {
+        "file": "refactor/.cache/vast02-browser-first-report.json",
+        "sha256": "e320f1f99cdc2fbfe7c04755fc86d85d2d7aef88116c3b5e5bb5f860ac76789b"
+      },
+      "results": "refactor/.cache/vast02-browser-first-results"
+    },
+    {
+      "result": "test runner import incorrectly autofixed to absent vitest; restored node:test without dependency changes",
+      "log": {
+        "file": "refactor/.cache/vast02-core.log",
+        "sha256": "531007deca9c236348ae77f988cff21f437171260e9de0688b89360d14427d90"
+      }
+    }
+  ]
+}
@@ -0,0 +1,439 @@
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+  "schemaVersion": 1,
+  "task": "PKG-VAST-02",
+  "sourceCommit": "4f39d6f2b964d47437e164c15127b610bf693cfb",
+  "capturedAt": "2026-09-12T01:10:35.029Z",
+  "release": {
+    "name": "artplayer",
+    "version": "5.1.7",
+    "metadataUrl": "https://registry.npmjs.org/artplayer/5.1.7",
+    "tarball": "https://registry.npmjs.org/artplayer/-/artplayer-5.1.7.tgz",
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+    "sha256": "61dabf34f3317316d8b04fc9ffeb3d9c5c2b81042c98f0347cd69ec0e15c2525",
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+    "package/src/i18n/zh-tw.js",
+    "package/src/icons/airplay.svg",
+    "package/src/icons/arrow-left.svg",
+    "package/src/icons/arrow-right.svg",
+    "package/src/icons/aspect-ratio.svg",
+    "package/src/icons/check.svg",
+    "package/src/icons/close.svg",
+    "package/src/icons/config.svg",
+    "package/src/icons/error.svg",
+    "package/src/icons/fast-forward.svg",
+    "package/src/icons/flip.svg",
+    "package/src/icons/fullscreen-off.svg",
+    "package/src/icons/fullscreen-on.svg",
+    "package/src/icons/fullscreen-web-off.svg",
+    "package/src/icons/fullscreen-web-on.svg",
+    "package/src/icons/index.js",
+    "package/src/icons/loading.svg",
+    "package/src/icons/lock.svg",
+    "package/src/icons/pause.svg",
+    "package/src/icons/pip.svg",
+    "package/src/icons/play.svg",
+    "package/src/icons/playback-rate.svg",
+    "package/src/icons/screenshot.svg",
+    "package/src/icons/setting.svg",
+    "package/src/icons/state.svg",
+    "package/src/icons/switch-off.svg",
+    "package/src/icons/switch-on.svg",
+    "package/src/icons/unlock.svg",
+    "package/src/icons/volume-close.svg",
+    "package/src/icons/volume.svg",
+    "package/src/index.js",
+    "package/src/info.js",
+    "package/src/layer.js",
+    "package/src/libs/screenfull.js",
+    "package/src/loading.js",
+    "package/src/mask.js",
+    "package/src/notice.js",
+    "package/src/player/airplayMix.js",
+    "package/src/player/aspectRatioMix.js",
+    "package/src/player/attrMix.js",
+    "package/src/player/autoHeightMix.js",
+    "package/src/player/autoSizeMix.js",
+    "package/src/player/cssVarMix.js",
+    "package/src/player/currentTimeMix.js",
+    "package/src/player/durationMix.js",
+    "package/src/player/eventInit.js",
+    "package/src/player/flipMix.js",
+    "package/src/player/fullscreenMix.js",
+    "package/src/player/fullscreenWebMix.js",
+    "package/src/player/index.js",
+    "package/src/player/loadedMix.js",
+    "package/src/player/miniMix.js",
+    "package/src/player/optionInit.js",
+    "package/src/player/pauseMix.js",
+    "package/src/player/pipMix.js",
+    "package/src/player/playMix.js",
+    "package/src/player/playbackRateMix.js",
+    "package/src/player/playedMix.js",
+    "package/src/player/playingMix.js",
+    "package/src/player/posterMix.js",
+    "package/src/player/qualityMix.js",
+    "package/src/player/rectMix.js",
+    "package/src/player/screenshotMix.js",
+    "package/src/player/seekMix.js",
+    "package/src/player/stateMix.js",
+    "package/src/player/subtitleOffsetMix.js",
+    "package/src/player/switchMix.js",
+    "package/src/player/themeMix.js",
+    "package/src/player/thumbnailsMix.js",
+    "package/src/player/toggleMix.js",
+    "package/src/player/typeMix.js",
+    "package/src/player/urlMix.js",
+    "package/src/player/volumeMix.js",
+    "package/src/plugins/autoOrientation.js",
+    "package/src/plugins/autoPlayback.js",
+    "package/src/plugins/fastForward.js",
+    "package/src/plugins/index.js",
+    "package/src/plugins/lock.js",
+    "package/src/plugins/miniProgressBar.js",
+    "package/src/scheme/index.js",
+    "package/src/setting/aspectRatio.js",
+    "package/src/setting/flip.js",
+    "package/src/setting/index.js",
+    "package/src/setting/playbackRate.js",
+    "package/src/setting/subtitleOffset.js",
+    "package/src/storage.js",
+    "package/src/style/artplayer.less",
+    "package/src/style/aspectRatio.less",
+    "package/src/style/backdrop.less",
+    "package/src/style/bottom.less",
+    "package/src/style/contextmenu.less",
+    "package/src/style/controls.less",
+    "package/src/style/danmuku.less",
+    "package/src/style/flip.less",
+    "package/src/style/fullscreen.less",
+    "package/src/style/fullscreenWeb.less",
+    "package/src/style/hideCursor.less",
+    "package/src/style/hint.less",
+    "package/src/style/icon.less",
+    "package/src/style/index.less",
+    "package/src/style/info.less",
+    "package/src/style/layers.less",
+    "package/src/style/loading.less",
+    "package/src/style/mask.less",
+    "package/src/style/mini.less",
+    "package/src/style/mixins.less",
+    "package/src/style/mobile.less",
+    "package/src/style/notice.less",
+    "package/src/style/plugins.less",
+    "package/src/style/poster.less",
+    "package/src/style/progress.less",
+    "package/src/style/selector.less",
+    "package/src/style/setting.less",
+    "package/src/style/subtitle.less",
+    "package/src/style/variables.less",
+    "package/src/style/video.less",
+    "package/src/style/volume.less",
+    "package/src/subtitle.js",
+    "package/src/template.js",
+    "package/src/utils/compatibility.js",
+    "package/src/utils/component.js",
+    "package/src/utils/dom.js",
+    "package/src/utils/emitter.js",
+    "package/src/utils/error.js",
+    "package/src/utils/file.js",
+    "package/src/utils/format.js",
+    "package/src/utils/index.js",
+    "package/src/utils/property.js",
+    "package/src/utils/subtitle.js",
+    "package/src/utils/time.js",
+    "package/tsconfig.json",
+    "package/types/artplayer.d.ts",
+    "package/types/component.d.ts",
+    "package/types/config.d.ts",
+    "package/types/cssVar.d.ts",
+    "package/types/events.d.ts",
+    "package/types/i18n.d.ts",
+    "package/types/icons.d.ts",
+    "package/types/option.d.ts",
+    "package/types/player.d.ts",
+    "package/types/quality.d.ts",
+    "package/types/setting.d.ts",
+    "package/types/subtitle.d.ts",
+    "package/types/template.d.ts",
+    "package/types/utils.d.ts"
+  ]
+}
@@ -0,0 +1,32 @@
+# PKG-VAST-02 行为、失败与生命周期测试
+
+起点4f39d6f2。本步建立回归基线，未修改VAST生产源码、声明、依赖或dist。
+新增`yarn test:vast`并接入`test:unit`；没有新依赖或锁文件变更。
+
+45项Node测试覆盖当前入口、实际发布1.0.0源码及冻结工作区1.2.0源码：29项正常
+及特有行为、16项历史缺陷观察。精确替换SDK导入，保留原wrapper逻辑；晚到回调
+通过保存旧SDK订阅函数复现，并非要求SDK在destroy后正常派发事件。
+
+实际核心5.1.7已从npm下载并冻结SHA512/SHA256、manifest及197成员，新增持续验证。
+浏览器server增加5.1.7映射，继续保存各核心实际执行字节的manifest。90项浏览器测试
+覆盖5.1.7/5.4.1/候选核心、三个wrapper实现及Chromium/Firefox/WebKit；包含异步
+注册、受控SDK拒绝后的真实主片播放、DOM显隐、显式清理/重建、主片切源以及历史
+销毁后晚到初始化。实际Google IMA广告流程仍未验证，不因本次通过关闭SDK-07。
+
+第一轮90项通过，随后补充主片切源后重建广告的断言并重新执行。新增Node文件的
+格式问题已修正；一次eslint自动修复把新归档测试的node:test错误替换为vitest，
+直接运行发现缺失模块后恢复Node runner并加精确lint说明，没有安装vitest。
+最终执行结果和输入哈希见 [验证记录](../baselines/vast-behavior-validation.json)。
+
+VAST-LIFE-01提升为已复现并保持open，具体10类问题及修复方向见
+[测试维护](../vast-validation.md)。这里只观察/固定问题，03逐项修复并增加候选验收
+断言；不把缺陷观察通过等同于生产修复。初始化和类型兼容冲突仍由03/04处理。
+
+包内模块地图随03实际拆分更新，本步提供测试文件/命令/边界说明，避免描述尚不存在
+的生产架构。版本升到2.0.0由REL-09统一处理；VPN例外尚未使用。
+
+回退本提交只移除本步测试、浏览器core映射、脚本接入和文档台账，不改变生产行为。
+任务完成独立本地提交PKG-VAST-02；没有push、tag、publish或merge。
+
+最终：90项浏览器测试全通过，无跳过/重试；完整本地CI885项通过（817单元、14工程、
+54基线），严格类型和37份核心声明无漂移。没有将受控广告SDK验收扩大为实际供应商服务。
@@ -4,7 +4,7 @@

 基线：`40fcda6a37d0049d42e49c1e64e70d4fd9ba5f7f`。总任务 217 项，范围 22 个包及工作区/示例。

-状态：todo 133 / doing 5 / blocked 0 / done 79 / deferred 0。风险 L/M/H 表示兼容风险，不表示工期。
+状态：todo 132 / doing 5 / blocked 0 / done 80 / deferred 0。风险 L/M/H 表示兼容风险，不表示工期。

 前置依赖是启动条件；验收是完成条件。任务可以继续拆分，但不能复用或悄悄删除旧 ID。

@@ -268,7 +268,7 @@
 | ID | 范围 / 步骤 | 前置依赖 | 交付物 | 验收条件 | 风险 | 状态 |
 | --- | --- | --- | --- | --- | --- | --- |
 | PKG-VAST-01 | artplayer-plugin-vast<br>核对包契约与历史用法 | BASE-05 | 异步工厂、callback context、playUrl/playRes/init 与 SDK 版本；实际 npm 1.0.0 与未发布 1.2.0、SDK 1.21.0/1.21.2 的60成员归档和发布关联核心5.1.7 | 源码/声明/README/demo/发布包差异已登记；公开形状和版本范围冻结 | H | done |
-| PKG-VAST-02 | artplayer-plugin-vast<br>建立特有行为与错误测试 | PKG-VAST-01, ENG-03, ENG-05 | SDK 失败、重复初始化、广告事件、内容恢复和销毁竞态；发布 id/$container/eager 与工作区 lazy/config 覆盖、callback拒绝、加载中销毁、同毫秒多实例与晚到事件 | 旧版本行为可重跑，成功/失败/切源/销毁有必要断言 | H | todo |
+| PKG-VAST-02 | artplayer-plugin-vast<br>建立特有行为与错误测试 | PKG-VAST-01, ENG-03, ENG-05 | SDK 失败、重复初始化、广告事件、内容恢复和销毁竞态；发布 id/$container/eager 与工作区 lazy/config 覆盖、callback拒绝、加载中销毁、同毫秒多实例与晚到事件 | 旧版本行为可重跑，成功/失败/切源/销毁有必要断言 | H | done |
 | PKG-VAST-03 | artplayer-plugin-vast<br>整理内部职责与资源 | PKG-VAST-02, CORE-10, CORE-13 | SDK loader、IMA adapter、广告状态和 DOM 清理分离；保持发布 callback 别名，明确初始化冲突；核心终止与显式 destroy 后重建区分 | 结构变化和缺陷修复分开记录；原 API/事件/资源生命周期通过 | H | todo |
 | PKG-VAST-04 | artplayer-plugin-vast<br>迁移自有源码和公开类型 | PKG-VAST-03, ENG-04, ENG-06, CORE-07 | IMA/context/Promise 真实类型，外部 SDK 动态对象限定边界；修复 @alugha/ima 声明依赖链，保留 export= 和 require.default 消费；同步错误声明的兼容决策单列 | 严格类型检查、旧消费样例通过；声明路径/导出和同步异步兼容 | H | todo |
 | PKG-VAST-05 | artplayer-plugin-vast<br>验证新旧核心和组合 | PKG-VAST-04, CORE-22 | 官方测试广告或受控 SDK 环境，错误后主视频状态恢复；核验真实5.1.7/5.4.1/候选核心，VAST VPN外部脚本例外逐项记录，不将受控SDK当作实际IMA验收 | 最终核心与原支持范围核心分别通过；设备/SDK 缺证据不能标完成 | H | todo |
@@ -490,3 +490,4 @@
 - PKG-ADS-04: [记录](changes/2026-09-12-PKG-ADS-04-types.md) [记录](baselines/ads-types-validation.json)
 - PKG-ADS-05: [记录](changes/2026-09-12-PKG-ADS-05-browser.md) [记录](baselines/ads-ui-visibility-validation.json)
 - PKG-VAST-01: [记录](baselines/vast-contract.md) [记录](baselines/vast-release.json) [记录](changes/2026-09-12-PKG-VAST-01-contract.md) [记录](baselines/vast-contract-validation.json)
+- PKG-VAST-02: [记录](changes/2026-09-12-PKG-VAST-02-tests.md) [记录](baselines/vast-behavior-validation.json) [记录](baselines/vast-core.json) [记录](vast-validation.md)
@@ -1,5 +1,15 @@
 # 进度与证据

+## 最新完成：VAST-02 行为与生命周期回归
+
+45项Node测试通过，覆盖当前源码及两套冻结历史源码；实际核心5.1.7的197成员已归档。
+三引擎/三核心90项真实浏览器测试通过，含异步注册、SDK失败后主片解码、DOM显隐、
+切源后广告重建及历史销毁竞态。SDK为受控记录器，实际Google IMA广告验收仍待05。
+完整本地CI885项通过（817单元、14工程、54基线）。十类历史资源/异常问题已复现，
+由03修复；本步没有VAST生产源码/类型/依赖/产物修改。当前217项：80 done、5 doing、
+132 todo。详见 [本步记录](changes/2026-09-12-PKG-VAST-02-tests.md) 和
+[验证证据](baselines/vast-behavior-validation.json)。
+
 ## 最新完成：VAST-01 实际发布契约

 固定实际发布1.0.0、未发布工作区1.2.0及SDK1.21.0/1.21.2的60个归档成员。
@@ -149,5 +149,5 @@
 | ADS-UI-01 | resolved / 已复现 | Ads 零等待跳过与初始状态不符，全屏图标/外部状态需核验 | PKG-ADS-02, PKG-ADS-03, PKG-ADS-05 |
 | VAST-CONTEXT-01 | open / 已复现 | Published VAST callback aliases and eager Player differ from the unpublished lazy workspace | PKG-VAST-02, PKG-VAST-03, PKG-VAST-04 |
 | VAST-TYPE-01 | open / 已复现 | VAST declares an async factory as synchronous and imports an unavailable SDK type dependency | PKG-VAST-04, PKG-VAST-06 |
-| VAST-LIFE-01 | open / 源码/产物事实 | VAST SDK and container lack core destruction ownership and pending work cancellation | PKG-VAST-02, PKG-VAST-03, PKG-VAST-05 |
+| VAST-LIFE-01 | open / 已复现 | VAST SDK and container lack core destruction ownership and pending work cancellation | PKG-VAST-02, PKG-VAST-03, PKG-VAST-05 |
 | VAST-DIST-01 | open / 已复现 | Published VAST CommonJS default namespace differs from the current callable distribution | PKG-VAST-04, PKG-VAST-06 |
@@ -706,7 +706,9 @@
        "refactor/baselines/vast-contract.md",
        "refactor/baselines/vast-release.json",
        "refactor/changes/2026-09-12-PKG-VAST-01-contract.md",
-        "refactor/baselines/vast-contract-validation.json"
+        "refactor/baselines/vast-contract-validation.json",
+        "refactor/vast-validation.md",
+        "refactor/baselines/vast-behavior-validation.json"
      ],
      "compatibleResolution": "@glomex/vast-ima-player loadImaSdk loads external IMA; preserve event/content/ad state and teardown, do not equate mocks with vendor service acceptance.",
      "closureCriteria": "固定 SDK/外部资源版本和环境；成功/失败/切换/销毁有真实证据，设备和网络限制逐项记录。",
@@ -3205,7 +3207,7 @@
    {
      "id": "VAST-LIFE-01",
      "title": "VAST SDK and container lack core destruction ownership and pending work cancellation",
-      "confirmation": "source-observed",
+      "confirmation": "reproduced",
      "status": "open",
      "owners": [
        "PKG-VAST-02",
@@ -3216,10 +3218,15 @@
        "refactor/baselines/vast-contract.md",
        "refactor/baselines/vast-release.json",
        "refactor/changes/2026-09-12-PKG-VAST-01-contract.md",
-        "refactor/baselines/vast-contract-validation.json"
+        "refactor/baselines/vast-contract-validation.json",
+        "refactor/changes/2026-09-12-PKG-VAST-02-tests.md",
+        "refactor/baselines/vast-behavior-validation.json",
+        "refactor/baselines/vast-core.json",
+        "refactor/vast-validation.md"
      ],
      "compatibleResolution": "Reproduce pending SDK/callback destruction, errors, duplicate IDs and stale ad events before adding compatible cleanup and state ownership.",
-      "closureCriteria": "Tests prove cleanup during load/callback rejection/core destruction and distinguish explicit plugin recreation from terminal core destruction; vendor media restoration is separately verified."
+      "closureCriteria": "Tests prove cleanup during load/callback rejection/core destruction and distinguish explicit plugin recreation from terminal core destruction; vendor media restoration is separately verified.",
+      "workspaceState": "45 Node tests include 16 frozen historical observations across 10 lifecycle/error categories. Real browser core destruction plus late SDK resolution leaves a newly allocated recorder in the detached player across 5.1.7/5.4.1/candidate. Google IMA allocation itself is not simulated as evidence; exact wrapper SDK boundary is controlled. All production fixes remain PKG-VAST-03 work."
    },
    {
      "id": "VAST-DIST-01",
@@ -0,0 +1,18 @@
+import assert from 'node:assert/strict'
+import fs from 'node:fs'
+// eslint-disable-next-line test/no-import-node-test -- Archive verification uses the repository Node baseline runner.
+import test from 'node:test'
+import { archiveFiles, ensureArchive, hash, readMember } from './releases.mjs'
+
+test('VAST historical core 5.1.7 archive matches the release association and all frozen members', async () => {
+  const baseline = JSON.parse(fs.readFileSync(new URL('../baselines/vast-core.json', import.meta.url)))
+  const vast = JSON.parse(fs.readFileSync(new URL('../baselines/vast-release.json', import.meta.url)))
+  assert.equal(baseline.release.name, 'artplayer')
+  assert.equal(baseline.release.version, vast.historicalCore.version)
+  const archive = await ensureArchive(baseline.release)
+  assert.deepEqual(archiveFiles(archive), baseline.archiveMembers)
+  assert.deepEqual(baseline.archiveMembers, Object.keys(baseline.release.files).sort())
+  for (const [member, expected] of Object.entries(baseline.release.files))
+    assert.equal(hash(readMember(archive, member)), expected)
+  assert.deepEqual(JSON.parse(readMember(archive, 'package/package.json')), baseline.release.manifest)
+})
@@ -2669,11 +2669,16 @@
        "ENG-03",
        "ENG-05"
      ],
-      "status": "todo",
+      "status": "done",
      "risk": "H",
      "deliverable": "SDK 失败、重复初始化、广告事件、内容恢复和销毁竞态；发布 id/$container/eager 与工作区 lazy/config 覆盖、callback拒绝、加载中销毁、同毫秒多实例与晚到事件",
      "acceptance": "旧版本行为可重跑，成功/失败/切源/销毁有必要断言",
-      "evidence": []
+      "evidence": [
+        "changes/2026-09-12-PKG-VAST-02-tests.md",
+        "baselines/vast-behavior-validation.json",
+        "baselines/vast-core.json",
+        "vast-validation.md"
+      ]
    },
    {
      "id": "PKG-VAST-03",
@@ -0,0 +1,52 @@
+# VAST 测试维护
+
+当前完成 PKG-VAST-01/02；生产重构由03/04继续。来源见
+[实际契约](baselines/vast-contract.md)、[VAST/SDK归档](baselines/vast-release.json)
+和 [核心5.1.7归档](baselines/vast-core.json)。工作区1.2.0不是npm发布版本。
+
+## 文件与执行
+
+- `test/helpers/vast-sdk.js`：可在Node和浏览器使用的SDK记录器，控制加载、构造、
+  监听、请求、销毁失败和晚到事件；不实现IMA、广告请求或主片暂停恢复。
+- `test/helpers/vast.js`：只在精确的`@glomex/vast-ima-player`导入边界替换SDK。
+  当前JS/TS入口可打包加载；两套历史源码必须来自哈希验证的npm归档/Git内容。
+  Node宿主仅提供事件和DOM所有权意图，不模拟布局或视频解码。
+- `test/vast.test.js`：共享契约、工作区新增功能、独立的历史缺陷观察。
+  修复时为当前候选增加正确行为断言，保留历史缺陷复现，不能把旧缺陷移入共享契约。
+- `test/browser/vast.spec.js`：三真实浏览器×三核心，测试异步注册、加载失败、真实
+  DOM显隐、显式清理重建、主片解码/切源和销毁后晚到初始化。SDK仍是同一受控记录器。
+- `refactor/scripts/vast-core.test.mjs`：实际5.1.7 tarball、197成员和发布关联检查。
+- `refactor/scripts/vast-contract*.mjs`：VAST及SDK归档、真实发布导出和冻结源码契约。
+
+使用仓库固定Node24.21.0与Yarn1.22.22：`yarn test:vast`、`yarn test:baseline`、
+`yarn test:browser vast.spec.js`。Node用例纳入`test:unit`，浏览器用例由常规Playwright
+流程发现。8084浏览器运行串行执行；每次报告/完整results先归档再开启下一轮。
+所有失败日志保留；不改超时、不加重试、不能把外部SDK受控替换说成供应商服务通过。
+
+## 已复现问题与修复入口
+
+VAST-LIFE-01由源码观察提升为受控运行复现，问题如下：
+
+1. 核心destroy不清理SDK；真实浏览器中旧插件在核心销毁后仍能分配到已脱离文档的player。
+2. SDK加载中销毁后仍执行callback并初始化。
+3. callback拒绝后已分配SDK和容器保留。
+4. callback等待中销毁，恢复后仍可请求广告。
+5. SDK构造失败后容器不回滚。
+6. 同毫秒多个实例产生重复ID。
+7. 工作区活动广告destroy后状态未复位，新的play请求被永久忽略。
+8. 工作区晚到SDK回调在destroy后抛错，重建后可污染替代容器与状态。
+9. 工作区SDK destroy抛错阻止DOM及引用清理。
+10. 工作区事件注册失败后留下不完整SDK，下一次init错误地认为它已就绪。
+
+03应建立明确的生命周期/SDK/DOM所有权，并区分可重建的显式广告destroy与终止性的
+核心destroy。04处理准确类型、SDK声明依赖和同步误声明；初始化冲突应以发布及
+工作区消费者证据明确处置，Ads的专属类型批准不能扩展到VAST。
+
+## 验证边界
+
+这些测试不是实际Google IMA加载、广告加载/播放/跳过/内容恢复的验收，也没有检查
+物理移动设备或最终npm tarball。SDK记录器对load错误、constructor错误、destroy错误
+使用精确注入；Node固定Date.now用于同毫秒ID复现，未改变生产时钟。
+
+只有实际VAST外部脚本持续因VPN无法加载时，可按用户授权记录并跳过该网络验证；
+它不豁免类型、生命周期或其他包。到02为止未用该例外。03～06和SDK-07继续开放。
@@ -64,6 +64,11 @@ const adsCoreMember = `package/${adsCore.manifest.main}`
 const adsCoreBytes = readMember(await ensureArchive(adsCore), adsCoreMember)
 assert.equal(hash(adsCoreBytes), adsCore.files[adsCoreMember], 'Historical Ads core differs from frozen release')
 add('/published-4.5.5/artplayer.js', adsCoreBytes, { kind: 'npm-release', version: adsCore.version, integrity: adsCore.integrity, member: adsCoreMember })
+const vastCore = JSON.parse(fs.readFileSync(path.join(workspace, 'refactor/baselines/vast-core.json'), 'utf8')).release
+const vastCoreMember = `package/${vastCore.manifest.main}`
+const vastCoreBytes = readMember(await ensureArchive(vastCore), vastCoreMember)
+assert.equal(hash(vastCoreBytes), vastCore.files[vastCoreMember], 'Historical VAST core differs from frozen release')
+add('/published-5.1.7/artplayer.js', vastCoreBytes, { kind: 'npm-release', version: vastCore.version, integrity: vastCore.integrity, member: vastCoreMember })
 add('/test/audio-tone.m4a', fs.readFileSync(path.join(workspace, 'test/browser/media/audio-tone.m4a')), { kind: 'generated-media', file: 'test/browser/media/audio-tone.m4a' })

 const mime = { '.html': 'text/html', '.js': 'text/javascript', '.mjs': 'text/javascript', '.json': 'application/json', '.css': 'text/css', '.mp4': 'video/mp4', '.m4a': 'audio/mp4', '.webm': 'video/webm', '.vtt': 'text/vtt', '.svg': 'image/svg+xml', '.png': 'image/png', '.jpg': 'image/jpeg' }
@@ -128,7 +133,7 @@ const server = http.createServer((req, res) => {
    if (url.pathname === '/test/player.html') {
      const core = url.searchParams.get('core') || 'candidate'
      const chapter = url.searchParams.get('chapter') || 'candidate'
-      assert(['candidate', 'published', 'published-4.5.5'].includes(core) && ['candidate', 'published'].includes(chapter), 'Invalid test combination')
+      assert(['candidate', 'published', 'published-4.5.5', 'published-5.1.7'].includes(core) && ['candidate', 'published'].includes(chapter), 'Invalid test combination')
      const html = fs.readFileSync(path.join(workspace, 'test/browser/player.html'), 'utf8')
        .replace('__CORE__', core)
        .replace('__CHAPTER__', chapter)
@@ -0,0 +1,169 @@
+import { hash } from '../../refactor/scripts/releases.mjs'
+import { createVastSdk } from '../helpers/vast-sdk.js'
+import { vastImplementations } from '../helpers/vast.js'
+import { expect, test } from './fixtures.js'
+
+const implementations = await vastImplementations()
+
+async function setup(page, core, implementation, testInfo, deferLoad = false) {
+  await page.goto(`/test/player.html?core=${core}`)
+  await page.addScriptTag({ content: `window.createVastSdk = ${createVastSdk.toString()};` })
+  await page.evaluate((deferLoad) => {
+    window.vastSdk = window.createVastSdk({ deferLoad })
+    window.google = { ima: window.vastSdk.ima }
+    window.art = new window.Artplayer({ container: '.player', url: '/test/pattern.mp4', muted: true })
+  }, deferLoad)
+  await page.addScriptTag({ content: `(() => {
+    const module = { exports: {} };
+    const exports = module.exports;
+    const require = name => {
+      if (name !== '@glomex/vast-ima-player') throw new Error('Unexpected dependency: ' + name);
+      return window.vastSdk.sdk;
+    };
+    ${implementation.code}
+    window.artplayerPluginVast = module.exports.default || module.exports;
+  })();` })
+  await testInfo.attach('vast-inputs', { contentType: 'application/json', body: JSON.stringify({ core, implementation: implementation.name, sha256: hash(implementation.code), sdk: 'controlled wrapper recorder, no IMA execution' }) })
+}
+
+test.afterEach(async ({ page }, testInfo) => {
+  const state = await page.evaluate(() => ({
+    destroyed: window.art?.isDestroy,
+    callbackCalls: window.vastCalls,
+    players: window.vastSdk?.state.players.map(player => ({ requests: player.requests, destroyCalls: player.destroyCalls, connected: player.args[2].isConnected, display: player.args[2].style.display })),
+    coreVersion: window.Artplayer?.version,
+  }))
+  await testInfo.attach('vast-state', { contentType: 'application/json', body: JSON.stringify(state) })
+  await page.evaluate(() => {
+    if (window.art && !window.art.isDestroy)
+      window.art.destroy()
+    // Historical wrappers leak; explicit fixture cleanup runs only after assertions/evidence.
+    for (const player of window.vastSdk?.state.players || []) player.destroy()
+  })
+})
+
+for (const core of ['published-5.1.7', 'published', 'candidate']) {
+  for (const implementation of implementations) {
+    const label = `${core} / ${implementation.name}`
+    test(`${label}: async SDK and callback gate real core registration and preserve requests`, async ({ page }, testInfo) => {
+      await setup(page, core, implementation, testInfo, true)
+      await page.evaluate(() => {
+        window.vastCalls = 0
+        window.vastDone = false
+        const gate = new Promise((resolve) => {
+          window.finishVastCallback = resolve
+        })
+        window.vastRegistration = window.art.plugins.add(window.artplayerPluginVast(async (context) => {
+          window.vastContext = context
+          window.vastCalls++
+          await gate
+          context.playUrl('/test/ad-tag.xml')
+          context.playRes('<VAST/>')
+        })).then(() => {
+          window.vastDone = true
+        })
+      })
+      expect(await page.evaluate(() => ({ calls: window.vastCalls, players: window.vastSdk.state.players.length, registered: Object.hasOwn(window.art.plugins, 'artplayerPluginVast') }))).toEqual({ calls: 0, players: 0, registered: false })
+      await page.evaluate(() => window.vastSdk.resolveLoad())
+      await expect.poll(() => page.evaluate(() => window.vastCalls)).toBe(1)
+      expect(await page.evaluate(() => window.vastDone)).toBe(false)
+      expect(await page.evaluate(() => Object.hasOwn(window.art.plugins, 'artplayerPluginVast'))).toBe(false)
+      await page.evaluate(() => window.finishVastCallback())
+      await page.evaluate(() => window.vastRegistration)
+      const result = await page.evaluate(() => ({
+        done: window.vastDone,
+        name: window.art.plugins.artplayerPluginVast.name,
+        requests: window.vastSdk.state.players[0].requests,
+        owned: window.vastSdk.state.players[0].args[2].parentNode === window.art.template.$player,
+        video: window.vastSdk.state.players[0].args[1] === window.art.template.$video,
+      }))
+      expect(result).toEqual({ done: true, name: 'artplayerPluginVast', requests: [{ adTagUrl: '/test/ad-tag.xml' }, { adsResponse: '<VAST/>' }], owned: true, video: true })
+    })
+
+    test(`${label}: SDK rejection stays observable and core can still play content`, async ({ page }, testInfo) => {
+      await setup(page, core, implementation, testInfo, true)
+      const result = await page.evaluate(async () => {
+        const failure = new Error('controlled SDK failure')
+        let calls = 0
+        const registration = window.art.plugins.add(window.artplayerPluginVast(() => calls++))
+        const observed = registration.catch(error => error === failure)
+        window.vastSdk.rejectLoad(failure)
+        return { sameFailure: await observed, calls, players: window.vastSdk.state.players.length, registered: Object.hasOwn(window.art.plugins, 'artplayerPluginVast') }
+      })
+      expect(result).toEqual({ sameFailure: true, calls: 0, players: 0, registered: false })
+      await expect.poll(() => page.evaluate(() => window.art.isReady)).toBe(true)
+      await page.evaluate(() => {
+        document.querySelector('#play').onclick = () => window.art.play()
+      })
+      await page.locator('#play').click()
+      await expect.poll(() => page.evaluate(() => window.art.currentTime)).toBeGreaterThan(0.2)
+      expect(await page.evaluate(() => window.art.template.$video.videoWidth)).toBeGreaterThan(0)
+    })
+
+    if (!implementation.published) {
+      test(`${label}: real overlay follows SDK events and explicit cleanup supports inactive recreation`, async ({ page }, testInfo) => {
+        await setup(page, core, implementation, testInfo)
+        await page.evaluate(async () => {
+          await window.art.plugins.add(window.artplayerPluginVast((context) => {
+            window.vastContext = context
+          }))
+          window.vastContext.playUrl('/first.xml')
+        })
+        const container = page.locator('[id^="art-vast-"]')
+        await expect(container).toHaveCount(1)
+        await expect(container).toBeHidden()
+        await page.evaluate(() => window.vastContext.imaPlayer.emit('AdStarted'))
+        await expect(container).toBeVisible()
+        await page.evaluate(() => {
+          window.vastContext.playUrl('/suppressed.xml')
+          window.vastContext.imaPlayer.emit('AdError', { code: 301 })
+        })
+        await expect(container).toBeHidden()
+        expect(await page.evaluate(() => window.vastContext.imaPlayer.requests.length)).toBe(1)
+        await page.evaluate(() => {
+          window.vastContext.playRes('<VAST/>')
+          window.vastContext.imaPlayer.emit('AdContentPauseRequested')
+        })
+        await expect(container).toBeVisible()
+        await page.evaluate(() => window.vastContext.imaPlayer.emit('AdContentResumeRequested'))
+        await expect(container).toBeHidden()
+        await page.evaluate(() => {
+          window.art.plugins.artplayerPluginVast.destroy()
+          window.art.plugins.artplayerPluginVast.destroy()
+        })
+        await expect(container).toHaveCount(0)
+        expect(await page.evaluate(() => window.vastSdk.state.players[0].destroyCalls)).toBe(1)
+        await page.evaluate(() => window.art.switchUrl('/test/pattern.mp4?source=next'))
+        await expect.poll(() => page.evaluate(() => window.art.template.$video.currentSrc)).toContain('?source=next')
+        await expect.poll(() => page.evaluate(() => window.art.template.$video.videoWidth)).toBeGreaterThan(0)
+        await page.evaluate(() => window.vastContext.playUrl('/new-session.xml'))
+        await expect(container).toHaveCount(1)
+        expect(await page.evaluate(() => window.vastSdk.state.players[1].requests[0].adTagUrl)).toBe('/new-session.xml')
+        expect(await page.evaluate(() => window.vastSdk.state.players[1].args[1] === window.art.template.$video)).toBe(true)
+      })
+    }
+
+    if (implementation.historical) {
+      test(`${label} historical: late SDK after destroy allocates into the detached player`, async ({ page }, testInfo) => {
+        await setup(page, core, implementation, testInfo, true)
+        await page.evaluate(() => {
+          window.vastCalls = 0
+          window.vastRegistration = window.art.plugins.add(window.artplayerPluginVast((context) => {
+            window.vastCalls++
+            context.playUrl('/late.xml')
+          }))
+          window.art.destroy()
+          window.vastSdk.resolveLoad()
+        })
+        await page.evaluate(() => window.vastRegistration)
+        expect(await page.evaluate(() => ({
+          calls: window.vastCalls,
+          players: window.vastSdk.state.players.length,
+          destroys: window.vastSdk.state.players[0].destroyCalls,
+          connected: window.vastSdk.state.players[0].args[2].isConnected,
+          url: window.vastSdk.state.players[0].requests[0].adTagUrl,
+        }))).toEqual({ calls: 1, players: 1, destroys: 0, connected: false, url: '/late.xml' })
+      })
+    }
+  }
+}
@@ -0,0 +1,60 @@
+// Controlled wrapper boundary, not an implementation of Google IMA or media playback.
+// Self-contained so the same recorder can run in Node and a real browser realm.
+export function createVastSdk(options = {}) {
+  const state = { players: [], loads: 0, errors: [], ...options }
+  let resolveLoad
+  let rejectLoad
+  const pending = new Promise((resolve, reject) => {
+    resolveLoad = resolve
+    rejectLoad = reject
+  })
+  const ima = { AdsRenderingSettings: class {}, AdsRequest: class {} }
+  const sdk = {
+    loadImaSdk() {
+      state.loads++
+      return state.deferLoad ? pending : Promise.resolve(ima)
+    },
+    PlayerOptions: class {},
+    Player: class {
+      constructor(...args) {
+        if (state.constructError)
+          throw state.constructError
+        this.args = args
+        this.requests = []
+        this.listeners = new Map()
+        this.destroyCalls = 0
+        state.players.push(this)
+      }
+
+      addEventListener(name, callback) {
+        if (state.listenError)
+          throw state.listenError
+        if (!this.listeners.has(name))
+          this.listeners.set(name, new Set())
+        this.listeners.get(name).add(callback)
+      }
+
+      removeEventListener(name, callback) {
+        this.listeners.get(name)?.delete(callback)
+      }
+
+      emit(name, detail) {
+        for (const callback of [...(this.listeners.get(name) || [])]) callback({ type: name, detail })
+      }
+
+      playAds(request) {
+        if (state.playError)
+          throw state.playError
+        this.requests.push(request)
+      }
+
+      destroy() {
+        this.destroyCalls++
+        if (state.destroyError)
+          throw state.destroyError
+        this.listeners.clear()
+      }
+    },
+  }
+  return { state, sdk, ima, resolveLoad: () => resolveLoad(ima), rejectLoad }
+}
@@ -0,0 +1,107 @@
+import assert from 'node:assert/strict'
+import vm from 'node:vm'
+import { build, transform } from 'esbuild'
+import { readMember } from '../../refactor/scripts/releases.mjs'
+import { verifyVastContract } from '../../refactor/scripts/vast-contract.mjs'
+import { resolveSource } from './load.js'
+import { createVastSdk } from './vast-sdk.js'
+
+export async function vastImplementations() {
+  const contract = await verifyVastContract()
+  const archive = contract.archives.get('artplayer-plugin-vast@1.0.0')
+  const { outputFiles } = await build({ entryPoints: [resolveSource('packages/artplayer-plugin-vast/src/index')], bundle: true, write: false, format: 'cjs', platform: 'browser', external: ['@glomex/vast-ima-player'] })
+  const frozen = async source => (await transform(source, { loader: 'js', format: 'cjs', target: 'es2020' })).code
+  return [
+    { name: 'source', code: outputFiles[0].text },
+    { name: 'published-1.0.0-source', historical: true, published: true, code: await frozen(readMember(archive, 'package/src/index.js').toString()) },
+    { name: 'frozen-workspace-1.2.0', historical: true, code: await frozen(contract.sources.get('packages/artplayer-plugin-vast/src/index.js')) },
+  ]
+}
+
+export function vastEnvironment(implementation, options = {}) {
+  const fixture = createVastSdk(options)
+  const module = { exports: {} }
+  class FixedDate extends Date {
+    static now() { return 1000 }
+  }
+  vm.runInNewContext(implementation.code, {
+    module,
+    exports: module.exports,
+    window: { google: { ima: fixture.ima } },
+    Date: FixedDate,
+    console: { error: (...args) => fixture.state.errors.push(args) },
+    require(name) {
+      assert.equal(name, '@glomex/vast-ima-player', 'Only the external SDK may be substituted')
+      return fixture.sdk
+    },
+  }, { timeout: 5000 })
+  const factory = module.exports.default || module.exports
+  function host() {
+    const listeners = new Map()
+    const calls = []
+    const node = () => ({ style: {}, parentNode: null })
+    const parent = {
+      children: [],
+      appendChild(child) {
+        if (child.parentNode)
+          child.parentNode.removeChild(child)
+        child.parentNode = this
+        this.children.push(child)
+        return child
+      },
+      removeChild(child) {
+        const index = this.children.indexOf(child)
+        assert(index !== -1, 'removeChild requires an owned node')
+        this.children.splice(index, 1)
+        child.parentNode = null
+        return child
+      },
+    }
+    const art = {
+      template: { $player: parent, $video: {} },
+      constructor: { utils: { createElement: node, setStyles: (target, styles) => Object.assign(target.style, styles), append: (target, child) => target.appendChild(child) } },
+      isDestroy: false,
+      on(name, callback) {
+        if (!listeners.has(name))
+          listeners.set(name, new Set())
+        listeners.get(name).add(callback)
+        return art
+      },
+      off(name, callback) {
+        listeners.get(name)?.delete(callback)
+        return art
+      },
+      once(name, callback) {
+        const once = (...args) => {
+          art.off(name, once)
+          callback(...args)
+        }
+        return art.on(name, once)
+      },
+      emit(name, ...args) {
+        calls.push([name, ...args])
+        for (const callback of [...(listeners.get(name) || [])]) callback(...args)
+        return art
+      },
+      destroy() {
+        if (art.isDestroy)
+          return
+        art.isDestroy = true
+        art.emit('destroy')
+        listeners.clear()
+      },
+    }
+    return { art, parent, calls, listeners }
+  }
+  return { ...fixture, factory, host }
+}
+
+export function deferred() {
+  let resolve
+  let reject
+  const promise = new Promise((yes, no) => {
+    resolve = yes
+    reject = no
+  })
+  return { promise, resolve, reject }
+}
@@ -0,0 +1,345 @@
+import assert from 'node:assert/strict'
+// eslint-disable-next-line test/no-import-node-test -- The external SDK boundary is explicitly controlled.
+import test from 'node:test'
+import { deferred, vastEnvironment, vastImplementations } from './helpers/vast.js'
+
+const implementations = await vastImplementations()
+
+for (const implementation of implementations) {
+  const { name, published } = implementation
+  test(`${name}: SDK resolution precedes callback and result waits for callback completion`, async () => {
+    const env = vastEnvironment(implementation, { deferLoad: true })
+    const host = env.host()
+    const started = deferred()
+    const finish = deferred()
+    let calls = 0
+    let settled = false
+    const attaching = env.factory(async (context) => {
+      calls++
+      started.resolve(context)
+      await finish.promise
+    })(host.art)
+    attaching.then(() => {
+      settled = true
+    })
+    assert.equal(env.state.loads, 1)
+    assert.equal(calls, 0)
+    assert.equal(host.parent.children.length, 0)
+    env.resolveLoad()
+    const context = await started.promise
+    assert.equal(context.art, host.art)
+    assert.equal(context.ima, env.ima)
+    assert.equal(settled, false)
+    finish.resolve()
+    assert.equal((await attaching).name, 'artplayerPluginVast')
+    assert.equal(calls, 1)
+  })
+
+  test(`${name}: SDK rejection propagates unchanged and does not invoke callback or allocate DOM`, async () => {
+    const env = vastEnvironment(implementation, { deferLoad: true })
+    const host = env.host()
+    let calls = 0
+    const attaching = env.factory(() => calls++)(host.art)
+    const failure = new Error('SDK unavailable')
+    const rejected = assert.rejects(attaching, error => error === failure)
+    env.rejectLoad(failure)
+    await rejected
+    assert.equal(calls, 0)
+    assert.equal(env.state.players.length, 0)
+    assert.equal(host.parent.children.length, 0)
+  })
+
+  test(`${name}: absent callback remains accepted at runtime`, async () => {
+    const env = vastEnvironment(implementation)
+    const result = await env.factory()(env.host().art)
+    assert.equal(result.name, 'artplayerPluginVast')
+  })
+
+  test(`${name}: playUrl and playRes preserve request content and return void`, async () => {
+    const env = vastEnvironment(implementation)
+    let context
+    await env.factory((value) => {
+      context = value
+    })(env.host().art)
+    assert.equal(context.playUrl('https://example.test/ad.xml'), undefined)
+    assert.equal(context.playRes('<VAST version="3.0"/>'), undefined)
+    const [player] = env.state.players
+    assert.equal(player.requests[0].adTagUrl, 'https://example.test/ad.xml')
+    assert.equal(player.requests[1].adsResponse, '<VAST version="3.0"/>')
+    assert.equal(player.requests[0] instanceof env.ima.AdsRequest, true)
+    assert.notEqual(player.requests[0], player.requests[1])
+  })
+
+  test(`${name}: one attach factory creates independent contexts, players and requests`, async () => {
+    const env = vastEnvironment(implementation)
+    const contexts = []
+    const attach = env.factory(context => contexts.push(context))
+    const one = env.host()
+    const two = env.host()
+    await Promise.all([attach(one.art), attach(two.art)])
+    contexts[0].playUrl('/first.xml')
+    contexts[1].playRes('<VAST/>')
+    assert.notEqual(contexts[0], contexts[1])
+    assert.equal(env.state.players.length, 2)
+    assert.equal(env.state.players[0].args[1], one.art.template.$video)
+    assert.equal(env.state.players[1].args[1], two.art.template.$video)
+    assert.equal(env.state.players[0].requests.length, 1)
+    assert.equal(env.state.players[1].requests.length, 1)
+  })
+
+  test(`${name}: playAds exceptions remain synchronous and are not converted to silent success`, async () => {
+    const failure = new Error('request failure')
+    const env = vastEnvironment(implementation, { playError: failure })
+    let context
+    await env.factory((value) => {
+      context = value
+    })(env.host().art)
+    assert.throws(() => context.playUrl('/ad.xml'), error => error === failure)
+    env.state.playError = null
+    context.playUrl('/retry.xml')
+    assert.equal(env.state.players[0].requests[0].adTagUrl, '/retry.xml')
+  })
+
+  test(`${name}: callback throws and rejected promises propagate their original value`, async () => {
+    for (const asynchronous of [false, true]) {
+      const env = vastEnvironment(implementation)
+      const failure = new Error('callback failure')
+      const attaching = env.factory(() => {
+        if (asynchronous)
+          return Promise.reject(failure)
+        throw failure
+      })(env.host().art)
+      await assert.rejects(attaching, error => error === failure)
+    }
+  })
+
+  if (published)
+    continue
+
+  test(`${name}: lazy init is idempotent and settings identities reach the Player constructor`, async () => {
+    const env = vastEnvironment(implementation)
+    const host = env.host()
+    let context
+    await env.factory((value) => {
+      context = value
+    })(host.art)
+    assert.equal(context.imaPlayer, null)
+    assert.equal(context.container, null)
+    context.playerOptions.custom = 'caller option'
+    context.adsRenderingSettings.enablePreloading = false
+    const player = context.init()
+    assert.equal(context.init(), player)
+    assert.equal(context.imaPlayer, player)
+    assert.equal(context.container, player.args[2])
+    assert.equal(player.args[3], context.adsRenderingSettings)
+    assert.equal(player.args[4], context.playerOptions)
+    assert.equal(player.args[3].enablePreloading, false)
+    assert.equal(host.parent.children.length, 1)
+  })
+
+  test(`${name}: request config is read live with own and inherited fields and primary overrides`, async () => {
+    const env = vastEnvironment(implementation)
+    let context
+    await env.factory((value) => {
+      context = value
+    })(env.host().art)
+    const config = Object.assign(Object.create({ inherited: 'legacy field' }), { adTagUrl: '/override.xml', adsResponse: 'override response' })
+    context.playUrl('/ignored.xml', config)
+    config.adTagUrl = '/changed.xml'
+    context.playRes('ignored response', config)
+    const [player] = env.state.players
+    assert.equal(player.requests[0].adTagUrl, '/override.xml')
+    assert.equal(player.requests[1].adTagUrl, '/changed.xml')
+    assert.equal(player.requests[1].adsResponse, 'override response')
+    assert.equal(player.requests[0].inherited, 'legacy field')
+  })
+
+  test(`${name}: four SDK events update visibility and duplicate ad requests are suppressed only while active`, async () => {
+    const env = vastEnvironment(implementation)
+    let context
+    await env.factory((value) => {
+      context = value
+    })(env.host().art)
+    context.playUrl('/first.xml')
+    const player = context.imaPlayer
+    assert.equal(context.container.style.display, 'none')
+    player.emit('AdContentPauseRequested')
+    assert.equal(context.container.style.display, 'block')
+    context.playUrl('/suppressed.xml')
+    context.playRes('suppressed')
+    assert.equal(player.requests.length, 1)
+    player.emit('AdContentResumeRequested')
+    assert.equal(context.container.style.display, 'none')
+    context.playUrl('/second.xml')
+    player.emit('AdStarted')
+    assert.equal(context.container.style.display, 'block')
+    const detail = { errorCode: 301 }
+    player.emit('AdError', detail)
+    assert.equal(context.container.style.display, 'none')
+    assert.equal(env.state.errors[0][1], detail)
+    context.playUrl('/after-error.xml')
+    assert.equal(player.requests.length, 3)
+  })
+
+  test(`${name}: explicit destroy is repeatable and permits a new inactive ad session`, async () => {
+    const env = vastEnvironment(implementation)
+    const host = env.host()
+    let context
+    const result = await env.factory((value) => {
+      context = value
+    })(host.art)
+    const first = context.init()
+    assert.equal(result.destroy(), undefined)
+    result.destroy()
+    assert.equal(first.destroyCalls, 1)
+    assert.equal(context.imaPlayer, null)
+    assert.equal(context.container, null)
+    assert.equal(host.parent.children.length, 0)
+    context.playUrl('/next.xml')
+    assert.equal(env.state.players.length, 2)
+    assert.equal(context.imaPlayer.requests[0].adTagUrl, '/next.xml')
+  })
+}
+
+// Historical observations, never candidate acceptance requirements.
+for (const implementation of implementations.filter(item => item.historical)) {
+  const { name, published } = implementation
+  const initialize = context => context.init?.() || context.imaPlayer
+  test(`${name} historical: core destroy leaves the SDK allocated`, async () => {
+    const env = vastEnvironment(implementation)
+    const host = env.host()
+    await env.factory(context => initialize(context))(host.art)
+    const [player] = env.state.players
+    host.art.destroy()
+    assert.equal(player.destroyCalls, 0)
+    assert.equal(host.parent.children.length, 1)
+  })
+
+  test(`${name} historical: SDK resolution after core destruction still invokes callback and allocates`, async () => {
+    const env = vastEnvironment(implementation, { deferLoad: true })
+    const host = env.host()
+    let calls = 0
+    const attaching = env.factory((context) => {
+      calls++
+      initialize(context)
+    })(host.art)
+    host.art.destroy()
+    env.resolveLoad()
+    await attaching
+    assert.equal(calls, 1)
+    assert.equal(env.state.players.length, 1)
+    assert.equal(env.state.players[0].destroyCalls, 0)
+  })
+
+  test(`${name} historical: rejected callback leaks its already allocated SDK/container`, async () => {
+    const env = vastEnvironment(implementation)
+    const host = env.host()
+    const failure = new Error('after allocation')
+    await assert.rejects(env.factory((context) => {
+      initialize(context)
+      return Promise.reject(failure)
+    })(host.art), error => error === failure)
+    assert.equal(env.state.players[0].destroyCalls, 0)
+    assert.equal(host.parent.children.length, 1)
+  })
+
+  test(`${name} historical: callback resumed after core destroy creates or reuses stale resources`, async () => {
+    const env = vastEnvironment(implementation)
+    const host = env.host()
+    const started = deferred()
+    const finish = deferred()
+    const attaching = env.factory(async (context) => {
+      started.resolve()
+      await finish.promise
+      context.playUrl('/late.xml')
+    })(host.art)
+    await started.promise
+    host.art.destroy()
+    finish.resolve()
+    await attaching
+    assert.equal(env.state.players[0].requests[0].adTagUrl, '/late.xml')
+    assert.equal(env.state.players[0].destroyCalls, 0)
+  })
+
+  test(`${name} historical: SDK constructor failure leaves an attached container`, async () => {
+    const failure = new Error('constructor failure')
+    const env = vastEnvironment(implementation, { constructError: failure })
+    const host = env.host()
+    await assert.rejects(env.factory(context => initialize(context))(host.art), error => error === failure)
+    assert.equal(host.parent.children.length, 1)
+    assert.equal(env.state.players.length, 0)
+  })
+
+  test(`${name} historical: simultaneous instances generate duplicate container IDs`, async () => {
+    const env = vastEnvironment(implementation)
+    const one = env.host()
+    const two = env.host()
+    const attach = env.factory(context => initialize(context))
+    await Promise.all([attach(one.art), attach(two.art)])
+    assert.equal(one.parent.children[0].id, two.parent.children[0].id)
+    assert.notEqual(one.parent.children[0], two.parent.children[0])
+  })
+
+  if (published)
+    continue
+
+  test(`${name} historical: active-ad destroy keeps the request suppression flag stuck`, async () => {
+    const env = vastEnvironment(implementation)
+    let context
+    const result = await env.factory((value) => {
+      context = value
+    })(env.host().art)
+    context.playUrl('/first.xml')
+    context.imaPlayer.emit('AdStarted')
+    result.destroy()
+    context.playUrl('/second.xml')
+    assert.equal(context.imaPlayer, null)
+    assert.equal(env.state.players.length, 1)
+  })
+
+  test(`${name} historical: stale SDK callbacks throw after explicit destroy and corrupt a replacement`, async () => {
+    const env = vastEnvironment(implementation)
+    let context
+    const result = await env.factory((value) => {
+      context = value
+    })(env.host().art)
+    const first = context.init()
+    const lateStart = [...first.listeners.get('AdStarted')][0]
+    result.destroy()
+    assert.throws(() => lateStart({}), /null/)
+    const replacement = context.init()
+    lateStart({})
+    assert.equal(context.container.style.display, 'block')
+    context.playUrl('/blocked-by-stale-event.xml')
+    assert.equal(replacement.requests.length, 0)
+  })
+
+  test(`${name} historical: SDK destroy exception prevents DOM and reference cleanup`, async () => {
+    const failure = new Error('destroy failure')
+    const env = vastEnvironment(implementation, { destroyError: failure })
+    const host = env.host()
+    let context
+    const result = await env.factory((value) => {
+      context = value
+    })(host.art)
+    const player = context.init()
+    assert.throws(() => result.destroy(), error => error === failure)
+    assert.equal(context.imaPlayer, player)
+    assert.equal(host.parent.children.length, 1)
+  })
+
+  test(`${name} historical: event registration failure leaves a partial SDK that init treats as ready`, async () => {
+    const failure = new Error('listener failure')
+    const env = vastEnvironment(implementation, { listenError: failure })
+    const host = env.host()
+    let context
+    await env.factory((value) => {
+      context = value
+    })(host.art)
+    assert.throws(() => context.init(), error => error === failure)
+    env.state.listenError = null
+    const player = context.init()
+    assert.equal(player.listeners.size, 0)
+    assert.equal(host.parent.children.length, 1)
+  })
+}