node/test/parallel/test-snapshot-namespaced-builtin.js
Joyee Cheung 77561d0e41
bootstrap: support namespaced builtins in snapshot scripts
PR-URL: https://github.com/nodejs/node/pull/47467
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
2023-04-11 17:55:41 +00:00

43 lines
1.0 KiB
JavaScript

'use strict';
// This tests snapshot JS API using the example in the docs.
require('../common');
const assert = require('assert');
const { spawnSync } = require('child_process');
const tmpdir = require('../common/tmpdir');
const path = require('path');
const fs = require('fs');
tmpdir.refresh();
const blobPath = path.join(tmpdir.path, 'snapshot.blob');
{
// The list of modules supported in the snapshot is unstable, so just check
// a few that are known to work.
const code = `
require("node:v8");
require("node:fs");
require("node:fs/promises");
`;
fs.writeFileSync(
path.join(tmpdir.path, 'entry.js'),
code,
'utf8'
);
const child = spawnSync(process.execPath, [
'--snapshot-blob',
blobPath,
'--build-snapshot',
'entry.js',
], {
cwd: tmpdir.path
});
if (child.status !== 0) {
console.log(child.stderr.toString());
console.log(child.stdout.toString());
assert.strictEqual(child.status, 0);
}
const stats = fs.statSync(path.join(tmpdir.path, 'snapshot.blob'));
assert(stats.isFile());
}