mirror of https://github.com/nodejs/node.git
81 lines
2.0 KiB
JavaScript
81 lines
2.0 KiB
JavaScript
'use strict';
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require('../common');
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const {
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generateSEA,
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skipIfSingleExecutableIsNotSupported,
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} = require('../common/sea');
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skipIfSingleExecutableIsNotSupported();
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// This tests the snapshot support in single executable applications.
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const tmpdir = require('../common/tmpdir');
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const { writeFileSync, existsSync } = require('fs');
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const {
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spawnSyncAndAssert, spawnSyncAndExitWithoutError,
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} = require('../common/child_process');
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const assert = require('assert');
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const configFile = tmpdir.resolve('sea-config.json');
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const seaPrepBlob = tmpdir.resolve('sea-prep.blob');
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const outputFile = tmpdir.resolve(process.platform === 'win32' ? 'sea.exe' : 'sea');
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{
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tmpdir.refresh();
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// FIXME(joyeecheung): currently `worker_threads` cannot be loaded during the
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// snapshot building process because internal/worker.js is accessing isMainThread at
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// the top level (and there are maybe more code that access these at the top-level),
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// and have to be loaded in the deserialized snapshot main function.
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// Change these states to be accessed on-demand.
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const code = `
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const {
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setDeserializeMainFunction,
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} = require('v8').startupSnapshot;
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setDeserializeMainFunction(() => {
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const { Worker } = require('worker_threads');
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new Worker("console.log('Hello from Worker')", { eval: true });
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});
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`;
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writeFileSync(tmpdir.resolve('snapshot.js'), code, 'utf-8');
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writeFileSync(configFile, `
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{
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"main": "snapshot.js",
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"output": "sea-prep.blob",
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"useSnapshot": true
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}
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`);
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spawnSyncAndExitWithoutError(
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process.execPath,
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['--experimental-sea-config', 'sea-config.json'],
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{
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cwd: tmpdir.path,
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env: {
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NODE_DEBUG_NATIVE: 'SEA',
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...process.env,
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},
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});
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assert(existsSync(seaPrepBlob));
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generateSEA(outputFile, process.execPath, seaPrepBlob);
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spawnSyncAndAssert(
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outputFile,
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{
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env: {
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NODE_DEBUG_NATIVE: 'SEA',
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...process.env,
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}
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},
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{
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trim: true,
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stdout: 'Hello from Worker'
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}
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);
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}
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