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'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');
const code = `
require('v8').startupSnapshot.setDeserializeMainFunction(() => {
console.log(JSON.stringify(process.argv));
});
`;
{
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());
}
{
const child = spawnSync(process.execPath, [
'--snapshot-blob',
blobPath,
'argv1',
'argv2',
], {
cwd: tmpdir.path,
env: {
...process.env,
}
});
const stdout = JSON.parse(child.stdout.toString().trim());
assert.deepStrictEqual(stdout, [
process.execPath,
'argv1',
'argv2',
]);
assert.strictEqual(child.status, 0);
}
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