46 lines
2.9 KiB
JavaScript
46 lines
2.9 KiB
JavaScript
import test from 'node:test';
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import assert from 'node:assert/strict';
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import vm from 'node:vm';
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import fs from 'node:fs';
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const script=fs.readFileSync(new URL('../public/sw.js',import.meta.url),'utf8');
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function harness() {
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const handlers={},writes=[],deleted=[];
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let network=()=>Promise.resolve(new Response('app',{headers:{'content-type':'text/html'}}));
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const cached=new Map([['/',new Response('offline app')]]);
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const key=r=>typeof r==='string'?r:new URL(r.url).pathname;
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const caches={keys:async()=>['ihaleist-v2','ihaleist-v3','other-app'],
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delete:async name=>{deleted.push(name);return true;},
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match:async request=>cached.get(key(request))?.clone(),
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open:async()=>({put:async(request,response)=>{writes.push(key(request));cached.set(key(request),response);},addAll:async()=>{}})};
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vm.runInNewContext(script,{URL,Response,caches,fetch:request=>network(request),self:{location:{origin:'https://ihaleist.test'},
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addEventListener:(name,handler)=>{handlers[name]=handler;},clients:{claim:async()=>{}},skipWaiting:async()=>{}}});
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return {writes,deleted,handlers,setNetwork:fn=>{network=fn;},async fetch(path,{mode='cors',authorization=false,method='GET'}={}) {
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let response;const pending=[];
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handlers.fetch({request:{url:'https://ihaleist.test'+path,method,mode,headers:new Headers(authorization?{authorization:'Bearer test'}:{})},
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respondWith:p=>{response=p;},waitUntil:p=>pending.push(p)});
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const out=await response;await Promise.all(pending);return out;
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}};
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}
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test('worker ignores API, arbitrary GET and authorized resources; removes only own old caches',async()=>{
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const h=harness();
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for(const path of ['/api/me/documents','/mcp','/private-report'])assert.equal(await h.fetch(path),undefined);
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assert.equal(await h.fetch('/assets/app.js',{authorization:true}),undefined);
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assert.equal(await h.fetch('/',{method:'POST'}),undefined);
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assert.deepEqual(h.writes,[]);
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let activation;h.handlers.activate({waitUntil:p=>{activation=p;}});await activation;
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assert.deepEqual(h.deleted,['ihaleist-v2']);
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});
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test('failed navigation never overwrites offline shell, assets never receive HTML fallback',async()=>{
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const h=harness();
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h.setNetwork(async()=>new Response('server error',{status:500}));
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assert.equal((await h.fetch('/',{mode:'navigate'})).status,500);
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assert.deepEqual(h.writes,[]);
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h.setNetwork(async()=>{throw new Error('offline');});
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assert.equal(await (await h.fetch('/',{mode:'navigate'})).text(),'offline app');
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await assert.rejects(()=>h.fetch('/assets/app.js'),/offline/);
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h.setNetwork(async()=>new Response('<html>wrong asset</html>',{headers:{'content-type':'text/html'}}));
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await h.fetch('/assets/app.js');await h.fetch('/assets/app.css');assert.deepEqual(h.writes,[]);
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h.setNetwork(async()=>new Response('export default 1',{headers:{'content-type':'text/javascript'}}));
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await h.fetch('/assets/app.js');assert.deepEqual(h.writes,['/assets/app.js']);
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});
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