How to use childProcess method in stryker-parent

Best JavaScript code snippet using stryker-parent

child_process.ts

Source:child_process.ts Github

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1import * as childProcess from 'node:child_process';2import * as net from 'node:net';3import * as fs from 'node:fs';4import assert = require('node:assert');5import { promisify } from 'node:util';6import { Writable, Readable, Pipe } from 'node:stream';7import { URL } from 'node:url';8{9 childProcess.exec("echo test");10 const abortController = new AbortController();11 childProcess.exec("echo test", { windowsHide: true, signal: abortController.signal });12 childProcess.spawn("echo");13 childProcess.spawn("echo", { windowsHide: true, signal: new AbortSignal(), killSignal: "SIGABRT", timeout: 123 });14 childProcess.spawn("echo", ["test"], { windowsHide: true });15 childProcess.spawn("echo", ["test"], { windowsHide: true, argv0: "echo-test" });16 childProcess.spawn("echo", ["test"], { stdio: [0xdeadbeef, "inherit", undefined, "pipe"] });17 childProcess.spawnSync("echo test");18 childProcess.spawnSync("echo test", {windowsVerbatimArguments: false});19 childProcess.spawnSync("echo test", {windowsVerbatimArguments: false, argv0: "echo-test"});20 childProcess.spawnSync("echo test", {input: new Uint8Array([])});21 childProcess.spawnSync("echo test", {input: new DataView(new ArrayBuffer(1))});22 childProcess.spawnSync("echo test", { encoding: 'utf-8' });23 childProcess.spawnSync("echo test", { encoding: 'buffer' });24 childProcess.spawnSync("echo test", { cwd: new URL('file://aaaaaaaa')});25 childProcess.spawnSync("echo test").output; // $ExpectType (Buffer | null)[]26 childProcess.spawnSync("echo test", {}).output; // $ExpectType (Buffer | null)[]27 childProcess.spawnSync("echo test", { encoding: 'buffer' }).output; // $ExpectType (Buffer | null)[]28 childProcess.spawnSync("echo test", { encoding: 'utf-8' }).output; // $ExpectType (string | null)[]29 childProcess.spawnSync("echo", ['test']).output; // $ExpectType (Buffer | null)[]30 childProcess.spawnSync("echo test", ['test'], {}).output; // $ExpectType (Buffer | null)[]31 childProcess.spawnSync("echo test", ['test'], { encoding: 'buffer' }).output; // $ExpectType (Buffer | null)[]32 childProcess.spawnSync("echo test", ['test'], { encoding: 'utf-8' }).output; // $ExpectType (string | null)[]33 ((opts?: childProcess.SpawnSyncOptions) => childProcess.spawnSync("echo test", opts))().output; // $ExpectType (string | Buffer | null)[]34}35{36 childProcess.execSync("echo test"); // $ExpectType Buffer37 childProcess.execSync("echo test", {}); // $ExpectType Buffer38 childProcess.execSync("echo test", { encoding: 'buffer' }); // $ExpectType Buffer39 childProcess.execSync("echo test", { encoding: 'utf-8' }); // $ExpectType string40 ((opts?: childProcess.ExecSyncOptions) => childProcess.execSync('echo test', opts))(); // $ExpectType string | Buffer41 childProcess.execSync("git status", { // $ExpectType string42 cwd: 'test',43 input: 'test',44 stdio: 'pipe',45 env: {},46 shell: 'hurr',47 uid: 1,48 gid: 1,49 timeout: 123,50 killSignal: 1,51 maxBuffer: 123,52 encoding: "utf8",53 windowsHide: true54 });55}56{57 childProcess.execFile("npm", () => {});58 childProcess.execFile("npm", { windowsHide: true, signal: new AbortSignal(), }, () => {});59 childProcess.execFile("npm", { shell: true }, () => {});60 childProcess.execFile("npm", { shell: '/bin/sh' }, () => {});61 childProcess.execFile("npm", ["-v"] as ReadonlyArray<string>, () => {});62 childProcess.execFile("npm", ["-v"] as ReadonlyArray<string>, { windowsHide: true, encoding: 'utf-8' }, (stdout, stderr) => { assert(stdout instanceof String); });63 childProcess.execFile("npm", ["-v"] as ReadonlyArray<string>, { windowsHide: true, encoding: 'buffer' }, (stdout, stderr) => { assert(stdout instanceof Buffer); });64 childProcess.execFile("npm", { encoding: 'utf-8' }, (stdout, stderr) => { assert(stdout instanceof String); });65 childProcess.execFile("npm", { encoding: 'buffer' }, (stdout, stderr) => { assert(stdout instanceof Buffer); });66 childProcess.execFile("npm", (err) => {67 if (err && err.errno) assert(err.code === 'ENOENT');68 });69}70{71 const y: childProcess.ChildProcess = childProcess.spawn('echo', ['test']);72 const x = y instanceof childProcess.ChildProcess;73}74{75 childProcess.execFileSync("echo test", {input: new Uint8Array([])});76 childProcess.execFileSync("echo test", {input: new DataView(new ArrayBuffer(1))});77 childProcess.execFileSync("echo test"); // $ExpectType Buffer78 childProcess.execFileSync("echo test", {}); // $ExpectType Buffer79 childProcess.execFileSync("echo test", {encoding: 'buffer'}); // $ExpectType Buffer80 childProcess.execFileSync("echo test", {encoding: 'utf8'}); // $ExpectType string81 childProcess.execFileSync("echo test", ['test']); // $ExpectType Buffer82 childProcess.execFileSync("echo test", ['test'], {}); // $ExpectType Buffer83 childProcess.execFileSync("echo test", ['test'], {encoding: 'buffer'}); // $ExpectType Buffer84 childProcess.execFileSync("echo test", ['test'], {encoding: 'utf8'}); // $ExpectType string85 ((opts?: childProcess.ExecFileSyncOptions) => childProcess.execFileSync('echo test', ['args'], opts))(); // $ExpectType string | Buffer86}87{88 const forked = childProcess.fork('./', ['asd'] as ReadonlyArray<string>, {89 windowsVerbatimArguments: true,90 silent: false,91 stdio: "inherit",92 execPath: '',93 execArgv: ['asda'],94 signal: new AbortSignal(),95 killSignal: "SIGABRT",96 timeout: 123,97 });98 const ipc: Pipe = forked.channel!;99 const hasRef: boolean = ipc.hasRef();100 ipc.close();101 ipc.unref();102 ipc.ref();103}104{105 const forked = childProcess.fork('./', {106 windowsVerbatimArguments: true,107 silent: false,108 stdio: ["inherit"],109 execPath: '',110 execArgv: ['asda']111 });112}113{114 const forked = childProcess.fork('./');115}116async function testPromisify() {117 const execFile = promisify(childProcess.execFile);118 let r: { stdout: string | Buffer, stderr: string | Buffer } = await execFile("npm");119 r = await execFile("npm", ["-v"] as ReadonlyArray<string>);120 r = await execFile("npm", ["-v"] as ReadonlyArray<string>, { encoding: 'utf-8' });121 r = await execFile("npm", ["-v"] as ReadonlyArray<string>, { encoding: 'buffer' });122 r = await execFile("npm", { encoding: 'utf-8' });123 r = await execFile("npm", { encoding: 'buffer' });124 const prom: childProcess.PromiseWithChild<{ stdout: string, stderr: string }> = execFile('test');125 prom.child;126}127{128 let cp = childProcess.fork('asd');129 const _socket: net.Socket = net.createConnection(1);130 const _server: net.Server = net.createServer();131 let _boolean: boolean;132 let _string: string;133 let _stringArray: string[];134 let _maybeNumber: number | null;135 let _maybeSignal: NodeJS.Signals | null;136 _boolean = cp.send(1);137 _boolean = cp.send('one');138 _boolean = cp.send({139 type: 'test'140 });141 _boolean = cp.send(1, (error) => {142 const _err: Error | null = error;143 });144 _boolean = cp.send('one', (error) => {145 const _err: Error | null = error;146 });147 _boolean = cp.send({148 type: 'test'149 }, (error) => {150 const _err: Error | null = error;151 });152 _boolean = cp.send(1, _socket);153 _boolean = cp.send('one', _socket);154 _boolean = cp.send({155 type: 'test'156 }, _socket);157 _boolean = cp.send(1, _socket, (error) => {158 const _err: Error | null = error;159 });160 _boolean = cp.send('one', _socket, (error) => {161 const _err: Error | null = error;162 });163 _boolean = cp.send({164 type: 'test'165 }, _socket, (error) => {166 const _err: Error | null = error;167 });168 _boolean = cp.send(1, _socket, {169 keepOpen: true170 });171 _boolean = cp.send('one', _socket, {172 keepOpen: true173 });174 _boolean = cp.send({175 type: 'test'176 }, _socket, {177 keepOpen: true178 });179 _boolean = cp.send(1, _socket, {180 keepOpen: true181 }, (error) => {182 const _err: Error | null = error;183 });184 _boolean = cp.send('one', _socket, {185 keepOpen: true186 }, (error) => {187 const _err: Error | null = error;188 });189 _boolean = cp.send({190 type: 'test'191 }, _socket, {192 keepOpen: true193 }, (error) => {194 const _err: Error | null = error;195 });196 _boolean = cp.send(1, _server);197 _boolean = cp.send('one', _server);198 _boolean = cp.send({199 type: 'test'200 }, _server);201 _boolean = cp.send(1, _server, (error) => {202 const _err: Error | null = error;203 });204 _boolean = cp.send('one', _server, (error) => {205 const _err: Error | null = error;206 });207 _boolean = cp.send({208 type: 'test'209 }, _server, (error) => {210 const _err: Error | null = error;211 });212 _boolean = cp.send(1, _server, {213 keepOpen: true214 });215 _boolean = cp.send('one', _server, {216 keepOpen: true217 });218 _boolean = cp.send({219 type: 'test'220 }, _server, {221 keepOpen: true222 });223 _boolean = cp.send(1, _server, {224 keepOpen: true225 }, (error) => {226 const _err: Error | null = error;227 });228 _boolean = cp.send('one', _server, {229 keepOpen: true230 }, (error) => {231 const _err: Error | null = error;232 });233 _boolean = cp.send({234 type: 'test'235 }, _server, {236 keepOpen: true237 }, (error) => {238 const _err: Error | null = error;239 });240 const stdin: Writable | null = cp.stdio[0];241 const stdout: Readable | null = cp.stdio[1];242 const stderr: Readable | null = cp.stdio[2];243 const fd4: Readable | Writable | null = cp.stdio[3]!;244 const fd5: Readable | Writable | null = cp.stdio[4]!;245 cp = cp.addListener("close", (code, signal) => {246 const _code: number | null = code;247 const _signal: NodeJS.Signals | null = signal;248 });249 cp = cp.addListener("disconnect", () => { });250 cp = cp.addListener("error", (err) => {251 const _err: Error = err;252 });253 cp = cp.addListener("exit", (code, signal) => {254 const _code: number | null = code;255 const _signal: NodeJS.Signals | null = signal;256 });257 cp = cp.addListener("message", (message, sendHandle) => {258 const _message: any = message;259 const _sendHandle: net.Socket | net.Server = sendHandle;260 });261 cp = cp.addListener("spawn", () => {262 });263 _boolean = cp.emit("close", () => { });264 _boolean = cp.emit("disconnect", () => { });265 _boolean = cp.emit("error", () => { });266 _boolean = cp.emit("exit", () => { });267 _boolean = cp.emit("message", () => { });268 _boolean = cp.emit("spawn", () => { });269 cp = cp.on("close", (code, signal) => {270 const _code: number | null = code;271 const _signal: NodeJS.Signals | null = signal;272 });273 cp = cp.on("disconnect", () => { });274 cp = cp.on("error", (err) => {275 const _err: Error = err;276 });277 cp = cp.on("exit", (code, signal) => {278 const _code: number | null = code;279 const _signal: NodeJS.Signals | null = signal;280 });281 cp = cp.on("message", (message, sendHandle) => {282 const _message: any = message;283 const _sendHandle: net.Socket | net.Server = sendHandle;284 });285 cp = cp.once("close", (code, signal) => {286 const _code: number | null = code;287 const _signal: NodeJS.Signals | null = signal;288 });289 cp = cp.once("disconnect", () => { });290 cp = cp.once("error", (err) => {291 const _err: Error = err;292 });293 cp = cp.once("exit", (code, signal) => {294 const _code: number | null = code;295 const _signal: NodeJS.Signals | null = signal;296 });297 cp = cp.once("message", (message, sendHandle) => {298 const _message: any = message;299 const _sendHandle: net.Socket | net.Server = sendHandle;300 });301 cp = cp.prependListener("close", (code, signal) => {302 const _code: number | null = code;303 const _signal: NodeJS.Signals | null = signal;304 });305 cp = cp.prependListener("disconnect", () => { });306 cp = cp.prependListener("error", (err) => {307 const _err: Error = err;308 });309 cp = cp.prependListener("exit", (code, signal) => {310 const _code: number | null = code;311 const _signal: NodeJS.Signals | null = signal;312 });313 cp = cp.prependListener("message", (message, sendHandle) => {314 const _message: any = message;315 const _sendHandle: net.Socket | net.Server = sendHandle;316 });317 cp = cp.prependOnceListener("close", (code, signal) => {318 const _code: number | null = code;319 const _signal: NodeJS.Signals | null = signal;320 });321 cp = cp.prependOnceListener("disconnect", () => { });322 cp = cp.prependOnceListener("error", (err) => {323 const _err: Error = err;324 });325 cp = cp.prependOnceListener("exit", (code, signal) => {326 const _code: number | null = code;327 const _signal: NodeJS.Signals | null = signal;328 });329 cp = cp.prependOnceListener("message", (message, sendHandle) => {330 const _message: any = message;331 const _sendHandle: net.Socket | net.Server = sendHandle;332 });333 _boolean = cp.kill();334 _boolean = cp.kill(9);335 _boolean = cp.kill("SIGTERM");336 _maybeNumber = cp.exitCode;337 _maybeSignal = cp.signalCode;338 _string = cp.spawnfile;339 _stringArray = cp.spawnargs;340 function expectNonNull(cp: {341 readonly stdin: Writable;342 readonly stdout: Readable;343 readonly stderr: Readable;344 readonly stdio: [345 Writable,346 Readable,347 Readable,348 any,349 any350 ];351 }): void {352 return undefined;353 }354 expectNonNull(childProcess.spawn('command'));355 expectNonNull(childProcess.spawn('command', {}));356 expectNonNull(childProcess.spawn('command', { stdio: undefined }));357 expectNonNull(childProcess.spawn('command', { stdio: 'pipe' }));358 expectNonNull(childProcess.spawn('command', { stdio: [undefined, undefined, undefined] }));359 expectNonNull(childProcess.spawn('command', { stdio: [null, null, null] }));360 expectNonNull(childProcess.spawn('command', { stdio: 'overlapped' }));361 expectNonNull(childProcess.spawn('command', { stdio: ['overlapped', 'overlapped', 'overlapped'] }));362 expectNonNull(childProcess.spawn('command', { stdio: ['pipe', 'pipe', 'pipe'] }));363 expectNonNull(childProcess.spawn('command', { stdio: ['pipe', 'pipe', 'pipe'] }));364 expectNonNull(childProcess.spawn('command', ['a', 'b', 'c']));365 expectNonNull(childProcess.spawn('command', ['a', 'b', 'c'], {}));366 expectNonNull(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: undefined }));367 expectNonNull(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: 'pipe' }));368 expectNonNull(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: [undefined, undefined, undefined] }));369 expectNonNull(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: [null, null, null] }));370 expectNonNull(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: ['pipe', 'pipe', 'pipe'] }));371 function expectStdio<Stdin, Stdout, Stderr>(...cps: Array<{372 stdin: Stdin,373 stdout: Stdout,374 stderr: Stderr,375 stdio: [Stdin, Stdout, Stderr, any, any]376 }>): void {377 return undefined;378 }379 expectStdio<Writable, Readable, Readable>(380 childProcess.spawn('command', { stdio: ['pipe', 'pipe', 'pipe'] }),381 childProcess.spawn('command', { stdio: [null, null, null] }),382 childProcess.spawn('command', { stdio: [undefined, undefined, undefined] }),383 childProcess.spawn('command', { stdio: ['pipe', null, undefined] }),384 );385 expectStdio<Writable, Readable, null>(386 childProcess.spawn('command', { stdio: ['pipe', 'pipe', 'ignore'] }),387 childProcess.spawn('command', { stdio: [null, null, 'inherit'] }),388 childProcess.spawn('command', { stdio: [undefined, undefined, process.stdout] }),389 childProcess.spawn('command', { stdio: ['pipe', null, process.stderr] }),390 );391 expectStdio<null, null, null>(392 childProcess.spawn('command', { stdio: ['ignore', 'ignore', 'ignore'] }),393 childProcess.spawn('command', { stdio: ['inherit', 'inherit', 'inherit'] }),394 childProcess.spawn('command', { stdio: [process.stdin, process.stdout, process.stderr] }),395 childProcess.spawn('command', { stdio: ['ignore', 'inherit', process.stderr] }),396 );397 expectStdio<Writable, Readable, Readable>(398 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: ['pipe', 'pipe', 'pipe'] }),399 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: [null, null, null] }),400 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: [undefined, undefined, undefined] }),401 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: ['pipe', null, undefined] }),402 );403 expectStdio<Writable, Readable, null>(404 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: ['pipe', 'pipe', 'ignore'] }),405 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: [null, null, 'inherit'] }),406 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: [undefined, undefined, process.stdout] }),407 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: ['pipe', null, process.stderr] }),408 );409 expectStdio<null, null, null>(410 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: ['ignore', 'ignore', 'ignore'] }),411 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: ['inherit', 'inherit', 'inherit'] }),412 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: [process.stdin, process.stdout, process.stderr] }),413 childProcess.spawn('command', ['a', 'b', 'c'], { stdio: ['ignore', 'inherit', process.stderr] }),414 );415 function expectChildProcess(cp: childProcess.ChildProcess): void {416 return undefined;417 }418 expectChildProcess(childProcess.spawn('command'));419 expectChildProcess(childProcess.spawn('command', {}));420 expectChildProcess(childProcess.spawn('command', { stdio: undefined }));421 expectChildProcess(childProcess.spawn('command', { stdio: 'pipe' }));422 expectChildProcess(childProcess.spawn('command', { stdio: [undefined, undefined, undefined] }));423 expectChildProcess(childProcess.spawn('command', { stdio: [null, null, null] }));424 expectChildProcess(childProcess.spawn('command', { stdio: ['pipe', 'pipe', 'pipe'] }));425 expectChildProcess(childProcess.spawn('command', ['a', 'b', 'c']));426 expectChildProcess(childProcess.spawn('command', ['a', 'b', 'c'], {}));427 expectChildProcess(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: undefined }));428 expectChildProcess(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: 'pipe' }));429 expectChildProcess(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: [undefined, undefined, undefined] }));430 expectChildProcess(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: [null, null, null] }));431 expectChildProcess(childProcess.spawn('command', ['a', 'b', 'c'], { stdio: ['pipe', 'pipe', 'pipe'] }));432}433{434 process.stdin.setEncoding('utf8');435 process.stdin.on('readable', () => {436 const chunk = process.stdin.read();437 if (chunk !== null) {438 process.stdout.write(`data: ${chunk}`);439 }440 });441 process.stdin.on('end', () => {442 process.stdout.write('end');443 });444 process.stdin.pipe(process.stdout);445 console.log(process.stdin.isTTY);446 console.log(process.stdout.isTTY);447 console.log(process.stdin instanceof net.Socket);448 console.log(process.stdout instanceof fs.ReadStream);449 const stdin: NodeJS.ReadableStream = process.stdin;450 console.log(stdin instanceof net.Socket);451 console.log(stdin instanceof fs.ReadStream);452 const stdout: NodeJS.WritableStream = process.stdout;453 console.log(stdout instanceof net.Socket);454 console.log(stdout instanceof fs.WriteStream);...

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cluster.mocha.js

Source:cluster.mocha.js Github

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1'use strict';2var inspector = require('../index')();3var cluster = require('cluster');4var fork = require('child_process').fork;5var exec = require('child_process').exec;6var assert = require('assert');7var utils = require('./utils');8var path = require('path');9describe('Child process', function () {10 it('should get dump after cluster/worker init', function (done) {11 cluster.setupMaster({12 exec: './test/fixtures/worker.js'13 });14 var worker = cluster.fork();15 var pid = null;16 worker.on('online', function () {17 var dump = inspector.dump();18 utils.testCommon(dump);19 assert.strictEqual(dump.handles.hasOwnProperty('ChildProcess'), true);20 assert.strictEqual(dump.handles.ChildProcess[0].connected, true);21 assert.strictEqual(dump.handles.ChildProcess[0].killed, false);22 assert.strictEqual(dump.handles.ChildProcess[0].hasOwnProperty('pid'), true);23 assert.strictEqual(Number.isInteger(dump.handles.ChildProcess[0].pid), true);24 var argsLength = dump.handles.ChildProcess[0].args.length;25 assert.strictEqual(argsLength >= 3, true);26 assert.strictEqual(dump.handles.ChildProcess[0].args[argsLength - 2], './test/fixtures/worker.js');27 assert.strictEqual(dump.handles.ChildProcess[0].args[argsLength - 1], './test/**/*.mocha.js');28 assert.strictEqual(dump.handles.ChildProcess[0].hasOwnProperty('spawnfile'), true);29 assert.strictEqual(dump.handles.ChildProcess[0].spawnfile, dump.handles.ChildProcess[0].args[0]);30 pid = dump.handles.ChildProcess[0].pid;31 });32 worker.on('disconnect', function () {33 var dump = inspector.dump();34 utils.testCommon(dump);35 assert.strictEqual(dump.handles.hasOwnProperty('ChildProcess'), true);36 assert.strictEqual(dump.handles.ChildProcess[0].connected, false);37 assert.strictEqual(dump.handles.ChildProcess[0].hasOwnProperty('pid'), true);38 assert.strictEqual(dump.handles.ChildProcess[0].pid, pid);39 assert.strictEqual(dump.handles.ChildProcess[0].killed, false);40 worker.kill();41 });42 worker.on('exit', function () {43 var dump = inspector.dump();44 utils.testCommon(dump);45 assert.strictEqual(dump.handles.hasOwnProperty('ChildProcess'), true);46 assert.strictEqual(dump.handles.ChildProcess[0].connected, false);47 assert.strictEqual(dump.handles.ChildProcess[0].hasOwnProperty('pid'), true);48 assert.strictEqual(dump.handles.ChildProcess[0].pid, pid);49 assert.strictEqual(dump.handles.ChildProcess[0].killed, true);50 done();51 });52 });53 it('should get dump after fork', function (done) {54 const child = fork('./test/fixtures/childFork.js');55 child.kill('SIGINT');56 child.on('exit', function () {57 var dump = inspector.dump();58 utils.testCommon(dump);59 assert.strictEqual(dump.handles.hasOwnProperty('ChildProcess'), true);60 assert.strictEqual(dump.handles.ChildProcess[0].connected, false);61 assert.strictEqual(dump.handles.ChildProcess[0].hasOwnProperty('pid'), true);62 assert.strictEqual(dump.handles.ChildProcess[0].killed, true);63 done();64 });65 });66 it('should get dump after exec', function (done) {67 const child = exec('./test/fixtures/childFork.js');68 child.kill('SIGINT');69 child.on('exit', function () {70 var dump = inspector.dump();71 utils.testCommon(dump);72 assert.strictEqual(dump.handles.hasOwnProperty('ChildProcess'), true);73 assert.strictEqual(dump.handles.ChildProcess[0].connected, false);74 assert.strictEqual(dump.handles.ChildProcess[0].hasOwnProperty('pid'), true);75 assert.strictEqual(dump.handles.ChildProcess[0].args[2], './test/fixtures/childFork.js');76 assert.strictEqual(dump.handles.ChildProcess[0].killed, true);77 done();78 });79 });80});81if (require('semver').satisfies(process.version, '>= 10.5.0')) {82 const {83 Worker, MessageChannel84 } = require('worker_threads');85 describe('Threads', function () {86 it('should get dump after worker/thread', function (done) {87 const worker = new Worker(path.join(__dirname, '/fixtures/childFork.js'));88 const subChannel = new MessageChannel();89 worker.postMessage({ hereIsYourPort: subChannel.port1 }, [subChannel.port1]);90 subChannel.port2.on('message', (value) => {91 assert.strictEqual(value, 'the worker is sending this');92 const dump = inspector.dump();93 assert.strictEqual(dump.handles.hasOwnProperty('MessagePort'), true);94 assert.strictEqual(dump.handles.MessagePort[0].listeners.length, 3);95 assert.strictEqual(dump.handles.MessagePort[0].listeners[2], 'message');96 subChannel.port2.close();97 worker.terminate();98 });99 worker.on('online', function () {100 const dump = inspector.dump();101 assert.strictEqual(dump.handles.hasOwnProperty('MessagePort'), true);102 });103 worker.on('exit', function () {104 // check MessagePort is cleaned after a certain time105 const timer = setInterval(function () {106 const dump = inspector.dump();107 if (!dump.handles.hasOwnProperty('MessagePort') || dump.handles.MessagePort.length === 0) {108 clearInterval(timer);109 done();110 }111 }, 200);112 });113 });114 });...

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spawn-child-from-source.ts

Source:spawn-child-from-source.ts Github

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1import {2 ChildProcess,3 Serializable,4 spawn,5 SpawnOptions,6 StdioNull,7 StdioPipe8} from 'child_process';9import { once } from 'events';10export async function kill(11 childProcess: ChildProcess,12 code: NodeJS.Signals | number = 'SIGTERM'13) {14 childProcess.kill(code);15 if (childProcess.exitCode === null && childProcess.signalCode === null) {16 await once(childProcess, 'exit');17 }18}19export default function spawnChildFromSource(20 src: string,21 spawnOptions: Omit<SpawnOptions, 'stdio'> = {},22 timeoutMs?: number,23 _stdout: StdioNull | StdioPipe = 'inherit',24 _stderr: StdioNull | StdioPipe = 'inherit'25): Promise<ChildProcess> {26 return new Promise(async(resolve, reject) => {27 const readyToken = Date.now().toString(32);28 const childProcess = spawn(process.execPath, {29 stdio: ['pipe', _stdout, _stderr, 'ipc'],30 ...spawnOptions31 });32 if (!childProcess.stdin) {33 await kill(childProcess);34 return reject(35 new Error("Can't write src to the spawned process, missing stdin")36 );37 }38 // eslint-disable-next-line prefer-const39 let timeoutId: NodeJS.Timeout | null;40 function cleanupListeners() {41 if (timeoutId) {42 clearTimeout(timeoutId);43 }44 if (childProcess.stdin) {45 childProcess.stdin.off('error', onWriteError);46 }47 childProcess.off('message', onMessage);48 childProcess.off('exit', onExit);49 }50 function onExit(exitCode: number | null) {51 if (exitCode && exitCode > 0) {52 cleanupListeners();53 reject(new Error('Child process exited with error before starting'));54 }55 }56 /* really hard to reproduce in tests and coverage is not happy */57 /* istanbul ignore next */58 async function onWriteError(error: Error) {59 cleanupListeners();60 await kill(childProcess);61 reject(error);62 }63 async function onTimeout() {64 cleanupListeners();65 await kill(childProcess);66 reject(new Error('Timed out while waiting for child process to start'));67 }68 function onMessage(data: Serializable) {69 if (data === readyToken) {70 cleanupListeners();71 resolve(childProcess);72 }73 }74 childProcess.on('message', onMessage);75 childProcess.on('exit', onExit);76 childProcess.stdin.on('error', onWriteError);77 childProcess.stdin.write(src);78 childProcess.stdin.write(`;process.send(${JSON.stringify(readyToken)})`);79 childProcess.stdin.end();80 timeoutId =81 timeoutMs !== undefined ? setTimeout(onTimeout, timeoutMs) : null;82 });...

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Using AI Code Generation

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1var childProcess = require('child_process');2var child = childProcess.fork('child.js');3child.on('message', function(m) {4 console.log('PARENT got message:', m);5});6child.send({ hello: 'world' });7process.on('message', function(m) {8 console.log('CHILD got message:', m);9});10process.send({ foo: 'bar' });11var childProcess = require('child_process');12var child = childProcess.fork('child.js');13child.on('message', function(m) {14 console.log('PARENT got message:', m);15});16child.send({ hello: 'world' });17process.on('message', function(m) {18 console.log('CHILD got message:', m);19});20process.send({ foo: 'bar' });21var childProcess = require('child_process');22var child = childProcess.fork('child.js');23child.on('message', function(m) {24 console.log('PARENT got message:', m);25});26child.send({ hello: 'world' });27process.on('message', function(m) {28 console.log('CHILD got message:', m);29});30process.send({ foo: 'bar' });31var childProcess = require('child_process');32var child = childProcess.fork('child.js');33child.on('message', function(m) {34 console.log('PARENT got message:', m);35});36child.send({ hello: 'world' });37process.on('message', function(m) {38 console.log('CHILD got message:', m);39});40process.send({ foo: 'bar' });41var childProcess = require('child_process');42var child = childProcess.fork('child.js');43child.on('message', function(m) {44 console.log('PARENT got message:', m);45});46child.send({ hello: 'world' });47process.on('message', function(m) {48 console.log('CHILD got message:', m);49});50process.send({ foo: 'bar' });51var childProcess = require('child_process');52var child = childProcess.fork('child.js');53child.on('message', function(m) {54 console.log('PARENT got message:', m);55});56child.send({

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Using AI Code Generation

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1const childProcess = require('stryker-parent').childProcess;2const child = childProcess.fork('./child.js');3child.on('message', function (m) {4 console.log('PARENT got message:', m);5});6child.send({ hello: 'world' });7const childProcess = require('stryker-parent').childProcess;8process.on('message', function (m) {9 console.log('CHILD got message:', m);10});11process.send({ foo: 'bar' });12PARENT got message: { foo: 'bar' }13CHILD got message: { hello: 'world' }

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Using AI Code Generation

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1const childProcess = require('child_process');2childProcess.exec('stryker run', (error, stdout, stderr) => { 3 if (error) {4 console.error(`exec error: ${error}`);5 return;6 }7 console.log(`stdout: ${stdout}`);8 console.log(`stderr: ${stderr}`);9});10"scripts": { 11}

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Using AI Code Generation

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1var childProcess = require('stryker-parent').childProcess;2var child = childProcess.fork('child.js');3child.send('hello world');4child.on('message', function (msg) {5 console.log('message from child: ' + msg);6});7var childProcess = require('stryker-parent').childProcess;8process.on('message', function (msg) {9 console.log('message from parent: ' + msg);10 process.send('hello back to you');11});12var childProcess = require('stryker-parent').childProcess;13childProcess.exec('npm install').then(function () {14 console.log('done');15});

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Using AI Code Generation

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1var childProcess = require('child_process');2var childProcess = require('child_process');3var child = childProcess.fork('./child.js', [], {4});5child.on('message', function (message) {6 console.log('Message from child', message);7});8child.send({ hello: 'world' });9process.on('message', function (message) {10 console.log('Message from parent:', message);11 process.send({ foo: 'bar' });12});13var childProcess = require('child_process');14var child = childProcess.fork('./child.js', [], {15});16child.on('message', function (message) {17 console.log('Message from child', message);18});19child.send({ hello: 'world' });20process.on('message', function (message) {21 console.log('Message from parent:', message);22 process.send({ foo: 'bar' });23});24var childProcess = require('child_process');25var child = childProcess.fork('./child.js', [], {26});27child.on('message', function (message) {28 console.log('Message from child', message);29});30child.send({ hello: 'world' });31process.on('message', function (message) {32 console.log('Message from parent:', message);33 process.send({ foo: 'bar' });34});

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Using AI Code Generation

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1var stryker = require('stryker-parent');2var child = stryker.childProcess('test.js', ['--port', 9000]);3child.on('message', function(message) {4 console.log(message);5});6child.send('some message');7var stryker = require('stryker-parent');8var child = stryker.childProcess('test.js', ['--port', 9000]);9child.on('message', function(message) {10 console.log(message);11});12child.send('some message');13var stryker = require('stryker-parent');14var child = stryker.childProcess('test.js', ['--port', 9000]);15child.on('message', function(message) {16 console.log(message);17});18child.send('some message');19var stryker = require('stryker-parent');20var child = stryker.childProcess('test.js', ['--port', 9000]);21child.on('message', function(message) {22 console.log(message);23});24child.send('some message');25var stryker = require('stryker-parent');26var child = stryker.childProcess('test.js', ['--port', 9000]);27child.on('message', function(message) {28 console.log(message);29});30child.send('some message');31var stryker = require('stryker-parent');32var child = stryker.childProcess('test.js', ['--port', 9000]);33child.on('message', function(message) {34 console.log(message);35});36child.send('some message');37var stryker = require('stryker-parent');38var child = stryker.childProcess('test.js', ['--port', 9000]);39child.on('message', function(message) {40 console.log(message);41});42child.send('some message');

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