import {test} from 'node:test';import assert from 'node:assert/strict';import {readFileSync} from 'node:fs';
import {parameters} from '../src/lib/layout-parameters.ts';
const layouts=JSON.parse(readFileSync(new URL('../src/content/templates/layouts.json',import.meta.url)));
test('27 layouts preserve unique typed source slots and complete shapes',()=>{assert.equal(layouts.length,27);for(const [i,l] of layouts.entries()){assert.equal(l.id,'ref-'+String(i+1).padStart(2,'0'));assert.equal(new Set(l.elements.map(s=>s.id)).size,l.elements.length);for(const s of l.elements){assert.match(s.id,/^[TID]\d{2}$/);assert.equal(s.kind,({T:'text',I:'image',D:'decoration'})[s.id[0]]);assert.ok(s.box[0]>=0&&s.box[1]>=0&&s.box[0]+s.box[2]<=l.width&&s.box[1]+s.box[3]<=l.height);assert.match(s.raster,/^data:image\/png;base64,/);if(s.kind==='image')assert.match(s.shape,/^data:image\/png;base64,/)}assert.deepEqual(parameters(l,{}),{texts:{},images:{},decorations:{}})}});
test('parameters reject mismatched slots, unsafe URLs and excessive text',()=>{const l=layouts[0];for(const input of [{texts:{I01:{value:'bad'}}},{images:{I01:{url:'https://evil.test'}}},{texts:{T01:{value:'x',scale:3}}},{texts:{T01:{value:'x'.repeat(501)}}},{paper:'url(x)'},{decorations:{D01:{hidden:'true'}}},null,[]])assert.throws(()=>parameters(l,input));const p=parameters(l,{texts:{T01:{value:'<script>not markup</script>',scale:1.2,align:'middle'}},images:{I01:{color:'#abcdef',fit:'contain'}},decorations:{D01:{hidden:true}}});assert.equal(p.texts.T01.value,'<script>not markup</script>');assert.equal(p.decorations.D01.hidden,true)});