10 lines
2.0 KiB
JavaScript
10 lines
2.0 KiB
JavaScript
const {test}=require('node:test');
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const assert=require('node:assert/strict');
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const core=require('./asset-sync-core');
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const manifest=(a='a',b='b')=>({buildTag:a+b,files:{'/a.js':{h:a},'/index.html':{h:b}},groups:{core:{files:['/a.js','/index.html']}}});
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function cache(){const entries=new Map();return {entries,async match(k){return entries.get(k)?.clone()},async put(k,r){entries.set(k,r.clone())},async keys(){return [...entries.keys()].map(url=>({url:'http://local'+url}))},async delete(k){return entries.delete(k)}}}
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const response=h=>new Response(h,{headers:{'X-Asset-Hash':h}});
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test('exact diff shares unchanged URLs; retains N-1 and prunes N-2',()=>{assert.deepEqual(core.plan(manifest(),['/a.js?v=a']).missing,['/index.html?v=b']);assert.deepEqual([...core.retained(manifest('c'),manifest())].sort(),['/a.js?v=a','/a.js?v=c','/index.html?v=b']);});
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test('interrupted sync resumes verified files and refuses a mismatched hash',async()=>{const c=cache();let fail=true;let calls=[];const fetchFn=async u=>{calls.push(u);if(u.includes('index')&&fail)return response('wrong');return response(u.split('=')[1])};await assert.rejects(core.syncAssets(manifest(),{cache:c,fetchFn}),/hash/);assert.ok(await c.match('/a.js?v=a'));fail=false;calls=[];await core.syncAssets(manifest(),{cache:c,fetchFn});assert.deepEqual(calls,['/index.html?v=b']);await c.delete('/a.js?v=a');assert.equal((await core.status(manifest(),c)).missing,1);});
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test('commit is atomic and pruning keeps only current and previous changed versions',async()=>{const c=cache();await c.put('/a.js?v=z',response('z'));await core.syncAssets(manifest(),{cache:c,fetchFn:async u=>response(u.split('=')[1])});await core.commit(manifest(),c);await core.syncAssets(manifest('c'),{cache:c,fetchFn:async u=>response(u.split('=')[1])});await core.commit(manifest('c'),c);assert.ok(await c.match('/a.js?v=a'));assert.equal(await c.match('/a.js?v=z'),undefined);await core.syncAssets(manifest('d'),{cache:c,fetchFn:async u=>response(u.split('=')[1])});await core.commit(manifest('d'),c);assert.equal(await c.match('/a.js?v=a'),undefined);});
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