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'use strict';
// This tests that user land snapshots works when the instance restored from
// the snapshot is launched with --help, --check
require('../common');
const assert = require('assert');
const { spawnSync } = require('child_process');
const tmpdir = require('../common/tmpdir');
const fixtures = require('../common/fixtures');
const path = require('path');
const fs = require('fs');
tmpdir.refresh();
let snapshotScript = 'node:embedded_snapshot_main';
if (!process.config.variables.node_use_node_snapshot) {
// Check that Node.js built without an embedded snapshot
// exits with 1 when node:embedded_snapshot_main is specified
// as snapshot entry point.
const child = spawnSync(process.execPath, [
'--build-snapshot',
snapshotScript,
], {
cwd: tmpdir.path
});
assert.match(
child.stderr.toString(),
/Node\.js was built without embedded snapshot/);
assert.strictEqual(child.status, 9);
snapshotScript = fixtures.path('empty.js');
}
// By default, the snapshot blob path is cwd/snapshot.blob.
{
// Create the snapshot.
const child = spawnSync(process.execPath, [
'--build-snapshot',
snapshotScript,
], {
cwd: tmpdir.path
});
if (child.status !== 0) {
console.log(child.stderr.toString());
console.log(child.stdout.toString());
console.log(child.signal);
assert.strictEqual(child.status, 0);
}
const stats = fs.statSync(path.join(tmpdir.path, 'snapshot.blob'));
assert(stats.isFile());
}
tmpdir.refresh();
const blobPath = path.join(tmpdir.path, 'my-snapshot.blob');
{
// Create the snapshot.
const child = spawnSync(process.execPath, [
'--snapshot-blob',
blobPath,
'--build-snapshot',
snapshotScript,
], {
cwd: tmpdir.path
});
if (child.status !== 0) {
console.log(child.stderr.toString());
console.log(child.stdout.toString());
console.log(child.signal);
assert.strictEqual(child.status, 0);
}
const stats = fs.statSync(blobPath);
assert(stats.isFile());
}
{
// Check --help.
const child = spawnSync(process.execPath, [
'--snapshot-blob',
blobPath,
'--help',
], {
cwd: tmpdir.path
});
if (child.status !== 0) {
console.log(child.stderr.toString());
console.log(child.stdout.toString());
console.log(child.signal);
assert.strictEqual(child.status, 0);
}
assert(child.stdout.toString().includes('--help'));
}
{
// Check -c.
const child = spawnSync(process.execPath, [
'--snapshot-blob',
blobPath,
'-c',
fixtures.path('snapshot', 'marked.js'),
], {
cwd: tmpdir.path
});
// Check that it is a noop.
assert.strictEqual(child.stdout.toString().trim(), '');
assert.strictEqual(child.stderr.toString().trim(), '');
assert.strictEqual(child.status, 0);
}
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