node/test/embedding/test-embedding.js
Anna Henningsen d592630c97
src: allow blobs in addition to FILE*s in embedder snapshot API
This is a shared follow-up to 06bb6b42b3 and a466feaca7
now that both have been merged.

PR-URL: https://github.com/nodejs/node/pull/46491
Refs: https://github.com/nodejs/node/pull/45888
Refs: https://github.com/nodejs/node/pull/46463
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
2023-02-06 19:57:19 +00:00

103 lines
3.1 KiB
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'use strict';
const common = require('../common');
const fixtures = require('../common/fixtures');
const tmpdir = require('../common/tmpdir');
const assert = require('assert');
const child_process = require('child_process');
const path = require('path');
const fs = require('fs');
tmpdir.refresh();
common.allowGlobals(global.require);
common.allowGlobals(global.embedVars);
function resolveBuiltBinary(bin) {
let binary = `out/${common.buildType}/${bin}`;
if (common.isWindows) {
binary += '.exe';
}
return path.resolve(__dirname, '..', '..', binary);
}
const binary = resolveBuiltBinary('embedtest');
assert.strictEqual(
child_process.spawnSync(binary, ['console.log(42)'])
.stdout.toString().trim(),
'42');
assert.strictEqual(
child_process.spawnSync(binary, ['console.log(embedVars.nön_ascıı)'])
.stdout.toString().trim(),
'🏳️‍🌈');
assert.strictEqual(
child_process.spawnSync(binary, ['console.log(42)'])
.stdout.toString().trim(),
'42');
assert.strictEqual(
child_process.spawnSync(binary, ['throw new Error()']).status,
1);
assert.strictEqual(
child_process.spawnSync(binary, ['process.exitCode = 8']).status,
8);
const fixturePath = JSON.stringify(fixtures.path('exit.js'));
assert.strictEqual(
child_process.spawnSync(binary, [`require(${fixturePath})`, 92]).status,
92);
function getReadFileCodeForPath(path) {
return `(require("fs").readFileSync(${JSON.stringify(path)}, "utf8"))`;
}
// Basic snapshot support
for (const extraSnapshotArgs of [[], ['--embedder-snapshot-as-file']]) {
// readSync + eval since snapshots don't support userland require() (yet)
const snapshotFixture = fixtures.path('snapshot', 'echo-args.js');
const blobPath = path.join(tmpdir.path, 'embedder-snapshot.blob');
const buildSnapshotArgs = [
`eval(${getReadFileCodeForPath(snapshotFixture)})`, 'arg1', 'arg2',
'--embedder-snapshot-blob', blobPath, '--embedder-snapshot-create',
...extraSnapshotArgs,
];
const runEmbeddedArgs = [
'--embedder-snapshot-blob', blobPath, ...extraSnapshotArgs, 'arg3', 'arg4',
];
fs.rmSync(blobPath, { force: true });
assert.strictEqual(child_process.spawnSync(binary, [
'--', ...buildSnapshotArgs,
], {
cwd: tmpdir.path,
}).status, 0);
const spawnResult = child_process.spawnSync(binary, ['--', ...runEmbeddedArgs]);
assert.deepStrictEqual(JSON.parse(spawnResult.stdout), {
originalArgv: [binary, ...buildSnapshotArgs],
currentArgv: [binary, ...runEmbeddedArgs],
});
}
// Create workers and vm contexts after deserialization
{
const snapshotFixture = fixtures.path('snapshot', 'create-worker-and-vm.js');
const blobPath = path.join(tmpdir.path, 'embedder-snapshot.blob');
const buildSnapshotArgs = [
`eval(${getReadFileCodeForPath(snapshotFixture)})`,
'--embedder-snapshot-blob', blobPath, '--embedder-snapshot-create',
];
fs.rmSync(blobPath, { force: true });
assert.strictEqual(child_process.spawnSync(binary, [
'--', ...buildSnapshotArgs,
], {
cwd: tmpdir.path,
}).status, 0);
assert.strictEqual(
child_process.spawnSync(binary, ['--', '--embedder-snapshot-blob', blobPath]).status,
0);
}