35 lines
5.0 KiB
JavaScript
35 lines
5.0 KiB
JavaScript
import {test} from 'node:test';
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import assert from 'node:assert/strict';
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import {createDocument,createRegistry,builtinComponents,applyChanges,replayChanges} from '../../src/lib/canvas-core/index.ts';
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import {createLedger} from '../../src/lib/canvas-runtime/ledger.ts';
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import {replayPending} from '../../src/lib/canvas-runtime/reconcile.ts';
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const registry=createRegistry(builtinComponents());
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const node=(id='a',ownerCanvasId='canvas',incarnation=1)=>({id,ownerCanvasId,incarnation,componentId:'text',dataVersion:1,structure:'node',data:{title:'original',text:''},geometry:{x:0,y:0,width:100,height:100,rotation:0}});
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const base=()=>createDocument('project',[{id:'canvas',parent:null}],[node()]);
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const title=(before,after)=>({kind:'field',target:{id:'a',incarnation:1},field:'data.title',before,after});
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function ledgerFor(groups){const ledger=createLedger();groups.forEach((changes,index)=>{const presence={};for(const change of changes)if(change.kind!=='canvas')presence[change.kind==='field'?change.target.id:change.id]=change.kind==='element'&&change.before===null?'absent':'exists';ledger.add({id:`op-${index}`,sequence:index+1,origin:'user',operationType:'document.change',operationSchemaVersion:1,canvasIds:['canvas'],dependencies:[],changes},presence);});return ledger.getSnapshot();}
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test('pending replay preserves sequential field baselines and skips a prefix already present in ACK',()=>{
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const original=base(),ledger=ledgerFor([[title('original','first'),title('first','second')],[title('second','third')]]);
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for(const acknowledged of [original,applyChanges(original,[title('original','first')])]){const result=replayPending(acknowledged,ledger,registry);assert.equal(result.elements.get('a').data.title,'third');assert.equal(acknowledged.elements.get('a').data.title,acknowledged===original?'original':'first');}
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});
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test('replay distinguishes missing and null fields while applying and skipping repeated deletes',()=>{
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const original=base(),insert={kind:'field',target:{id:'a',incarnation:1},field:'data.optional',before:null,after:null,beforePresent:false,afterPresent:true},remove={...insert,beforePresent:true,afterPresent:false};
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const added=replayPending(original,ledgerFor([[insert]]),registry);assert.ok(Object.hasOwn(added.elements.get('a').data,'optional'));assert.equal(added.elements.get('a').data.optional,null);
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const removed=replayPending(original,ledgerFor([[insert],[remove],[remove]]),registry);assert.equal(Object.hasOwn(removed.elements.get('a').data,'optional'),false);
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});
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test('a draft replays owner transitions before later scope checks and rejects stale identity even for equal values',()=>{
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const frame={...node('frame'),componentId:'frame'},canvases=[{id:'canvas',parent:null},{id:'child',parent:{canvasId:'canvas',entryElementId:'frame'}}],original=createDocument('project',canvases,[frame,node()]);
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const move={kind:'field',target:{id:'a',incarnation:1},field:'ownerCanvasId',before:'canvas',after:'child'};
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const result=replayChanges(original,[{changes:[move],canvasIds:['canvas','child']},{changes:[title('original','moved')],canvasIds:['child']}]);assert.equal(result.elements.get('a').ownerCanvasId,'child');assert.equal(result.elements.get('a').data.title,'moved');
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const relocated=createDocument('project',canvases,[frame,node('a','child')]);assert.throws(()=>replayPending(relocated,ledgerFor([[title('original','original')]]),registry),/operation_context_changed/);
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const restored=createDocument('project',[canvases[0]],[node('a','canvas',2)]);assert.throws(()=>replayPending(restored,ledgerFor([[title('original','original')]]),registry),/stale_incarnation/);
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});
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test('late conflicts discard the entire private replay draft and preserve the ACK and ledger',()=>{
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const original=base(),ledger=ledgerFor([[title('original','first')],[title('wrong','last')]]),before=JSON.stringify([...ledger.operations]);assert.throws(()=>replayPending(original,ledger,registry),/field_conflict/);assert.equal(original.elements.get('a').data.title,'original');assert.equal(JSON.stringify([...ledger.operations]),before);assert.equal(replayPending(original,ledgerFor([[title('original','first')],[title('first','last')]]),registry).elements.get('a').data.title,'last');
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});
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test('large replay preserves create/delete/restore lifecycles and conditional failures across operation boundaries',()=>{
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const original=base(),created=Array.from({length:256},(_,i)=>node(`new-${i}`)),create=created.map(after=>({kind:'element',id:after.id,before:null,after})),deleted=created[50],restored={...deleted,incarnation:2,data:{...deleted.data,title:'restored'}},groups=[create,[{kind:'element',id:deleted.id,before:deleted,after:null}],[{kind:'element',id:deleted.id,before:null,after:restored}]];
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const result=replayPending(original,ledgerFor(groups),registry);let reference=original;for(const changes of groups)reference=applyChanges(reference,changes);assert.deepEqual([...result.elements],[...reference.elements]);assert.deepEqual([...result.tombstones],[...reference.tombstones]);assert.equal(result.tombstones.get(deleted.id),1);assert.equal(original.elements.size,1);
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});
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