20 lines
2.4 KiB
JavaScript
20 lines
2.4 KiB
JavaScript
/**
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* 节点连接点测量的批处理测试。用任务数组代替调度器，验证大量invalidate合并、每挂载owner租约与store隔离。
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* 10000节点断言是确定性批次数量检查，不是浏览器布局或帧率性能测试。
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*/
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import {test} from 'node:test';
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import assert from 'node:assert/strict';
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import {createNodeInternalsBatch} from '../../src/lib/canvas-bindings/node-internals.ts';
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// 每个lease重复invalidate，调度仍只有一个任务，执行一次提交完整ID列表；末尾释放所有owner。
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test('10000 mounted nodes coalesce repeated measurement requests into one renderer update',()=>{
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const tasks=[],calls=[],batch=createNodeInternalsBatch(ids=>calls.push(ids),fn=>tasks.push(fn)),leases=Array.from({length:10000},(_,i)=>batch.acquire('n'+i));for(const lease of leases){lease.invalidate();lease.invalidate();}assert.equal(tasks.length,1);assert.equal(calls.length,0);tasks.shift()();assert.deepEqual(calls,[Array.from({length:10000},(_,i)=>'n'+i)]);for(const lease of leases)lease.dispose();
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});
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// A有两个owner、B卸载，旧A释放不取消新A的待测量；最后owner释放后迟到任务不能再次调用renderer。
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test('unmounted and replaced owners cannot retain or cancel another lease for the same node',()=>{
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const tasks=[],calls=[],batch=createNodeInternalsBatch(ids=>calls.push(ids),fn=>tasks.push(fn)),old=batch.acquire('A'),next=batch.acquire('A'),removed=batch.acquire('B');old.invalidate();next.invalidate();removed.invalidate();old.dispose();removed.dispose();old.invalidate();tasks.shift()();assert.deepEqual(calls,[['A']]);next.invalidate();next.dispose();tasks.shift()();assert.equal(calls.length,1);
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});
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// 两个batch可各自更新同名A；one回调重入invalidate只排下一批，不影响two的任务或顺序。
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test('renderer stores and later updates remain independent, including reentrant invalidation',()=>{
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const tasks=[],calls=[];let again;const one=createNodeInternalsBatch(ids=>{calls.push(['one',ids]);again?.();},fn=>tasks.push(fn)),two=createNodeInternalsBatch(ids=>calls.push(['two',ids]),fn=>tasks.push(fn)),a=one.acquire('A'),b=two.acquire('A');let reentered=false;again=()=>{if(!reentered){reentered=true;a.invalidate();}};a.invalidate();b.invalidate();assert.equal(tasks.length,2);tasks.shift()();assert.equal(tasks.length,2);tasks.shift()();tasks.shift()();assert.deepEqual(calls,[['one',['A']],['two',['A']],['one',['A']]]);a.dispose();b.dispose();
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});
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