Load layouts and optional features from staged asset caches

frontend/lazy.test.js

@@ -63,3 +63,16 @@ test('unexecuted incompatible group keeps its running-build N-1 URLs and require
   assert.equal(f.root.Lazy.reloadRequired,true);
   assert.ok(events.includes('ytp-reload-required'));
 });
+
+test('workers receive the pinned import URL map in their first message', () => {
+ const f=fixture(), sent=[]; f.root.Worker=class { constructor(url){this.url=url;} postMessage(message,transfer){sent.push({message,transfer});} };
+ f.manifest.files['/worker.js']={h:'w'}; f.root.Lazy.manifest.files['/worker.js']={h:'w'};
+ const worker=f.root.Lazy.worker('/worker.js');worker.postMessage({op:'open'},['transfer']);worker.postMessage({op:'finish'});
+ assert.equal(worker.url,'/worker.js?v=w');assert.equal(sent[0].message.assetUrls.sha256,f.root.Lazy.url('/sha256.js'));assert.equal(sent[0].message.assetUrls.wasm,f.root.Lazy.url('/sha256-wasm.js'));assert.deepEqual(sent[0].transfer,['transfer']);assert.equal(sent[1].message.assetUrls,undefined);
+});
+
+test('new group files with a changed dependency contract cannot run against the old dependency',async()=>{
+ const next=fixture().manifest;next.buildTag='next';next.groups['feature:test'].dependencies=['feature:dep'];next.groups['feature:dep']={contract:2,files:[]};next.files['/one.js'].h='new';
+ const f=fixture(next,['/one.js?v=new','/two.js?v=2']);f.root.Lazy.manifest.groups['feature:test'].dependencies=['feature:dep'];f.root.Lazy.manifest.groups['feature:dep']={contract:1,files:[]};
+ await f.root.Lazy.load('feature:test');assert.deepEqual(f.inserted.map(n=>n.src),['/one.js?v=1','/two.js?v=2']);assert.equal(f.root.Lazy.reloadRequired,true);
+});