/* Rebuilds tests/harness.html from tests/fixture.json and the current sources.
*
* Everything is inlined rather than linked, so the harness renders identically
* under file:// and headless screenshots, with no subresource loading rules to
* worry about. Run it after any change to src/.
*
* node tests/build-harness.js && tests/shot.sh
*/
const fs = require('fs');
const path = require('path');
const root = path.join(__dirname, '..');
const read = (p) => fs.readFileSync(path.join(root, p), 'utf8');
const fixturePath = path.join(__dirname, 'fixture.json');
if (!fs.existsSync(fixturePath)) {
console.error('missing tests/fixture.json — capture it with tools/make-fixture.js');
process.exit(1);
}
const fixture = JSON.parse(fs.readFileSync(fixturePath, 'utf8'));
const vars = Object.entries(fixture.vars || {})
.map(([k, v]) => ` ${k}: ${v};`).join('\n');
const html = `
Piscine Graph Tweaks — harness
harness — fixture captured ${fixture.capturedAt || '?'} from ${fixture.url || '?'}
${fixture.svg}
`;
fs.writeFileSync(path.join(__dirname, 'harness.html'), html);
console.log('tests/harness.html written (' + html.length + ' bytes)');