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Enforce stale core contracts in the worker without native startup I/O

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This commit is contained in:
Jonathan Sykes
2026-10-08 10:05:38 +08:00
parent 57edb410c3
commit 97eb31e732
7 changed files with 40 additions and 13 deletions
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13
frontend/asset-worker.test.js
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@@ -6,7 +6,7 @@ function environment(){
vm.runInNewContext(fs.readFileSync(__dirname+'/sw.js','utf8'),sandbox);
async function dispatch(t,e={}){let p;listeners[t]({...e,waitUntil:v=>p=v});await p}
async function request(url,mode='cors',clientId='new'){let p;listeners.fetch({request:{url:'https://local'+url,method:'GET',mode},clientId,respondWith:v=>p=v});return p}
return {storage,m,skips,fetches,dispatch,request};
return {storage,m,skips,fetches,dispatch,request,sandbox};
}
test('install does not activate or publish; CACHE_STATUS is honest; activation commits and exact requests self-heal',async()=>{const e=environment();await e.dispatch('install');assert.equal(e.skips.length,0);const cache=await e.storage.open(core.CACHE);assert.equal(await core.state(cache),null);let reply;await e.dispatch('message',{data:{type:'CACHE_STATUS'},ports:[{postMessage:r=>reply=r}]});assert.equal(reply.ready,true);await e.dispatch('activate');assert.equal((await core.state(cache)).current.buildTag,'next');assert.equal((await e.request('/playlist/x','navigate')).headers.get('X-Asset-Hash'),'index');await cache.delete('/app.js?v=app');await e.dispatch('message',{data:{type:'CACHE_STATUS'},ports:[{postMessage:r=>reply=r}]});assert.equal(reply.ready,false);assert.equal(reply.missing,1);assert.equal(reply.version,'next');assert.equal((await e.request('/app.js')).headers.get('X-Asset-Hash'),'app');assert.ok(await cache.match('/app.js?v=app'));assert.equal(await cache.match('/app.js?v=stale'),undefined);assert.equal((await e.request('/app.js?v=stale')).status,409);});
test('reported playback defers explicit activation until pause; install never calls skipWaiting',async()=>{const e=environment(),source={id:'p'};await e.dispatch('message',{data:{type:'SKIP_WAITING'}});assert.equal(e.skips.length,0);await e.dispatch('message',{source,data:{type:'PLAYING',value:true}});await e.dispatch('message',{source,data:{type:'SKIP_WAITING'}});assert.equal(e.skips.length,0);await e.dispatch('message',{source,data:{type:'PLAYING',value:false}});assert.equal(e.skips.length,1);});
@@ -51,3 +51,14 @@ test('page-captured app is reused on first install without a worker download',as
assert.equal(await(await cache.match('/app.js?v=app')).text(),'page captured app');
assert.equal(e.skips.length,0);assert.equal(await core.state(cache),null);
});
test('worker never supplies stale app to a native script when a feature contract changed',async()=>{
const e=environment(),cache=await e.storage.open(core.CACHE);
const old={buildTag:'old',files:{'/app.js':{h:'old'}},groups:{core:{contract:1,files:['/app.js']},extra:{contract:1,files:[]}}};
e.m.groups.core.contract=1;e.m.groups.extra={contract:2,background:true,files:[]};
await cache.put(core.STATE,Response.json({current:old}));await cache.put('/app.js?v=old',new Response('old app',{headers:{'X-Asset-Hash':'old'}}));
await e.dispatch('install');await e.dispatch('activate');await cache.delete('/app.js?v=app');
e.sandbox.fetch=async()=>{throw Error('offline')};
const response=await e.request('/app.js?v=app');assert.equal(response.status,503);assert.equal(await response.text(),'Offline');
});