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574f2dd517
PR-URL: https://github.com/nodejs/node/pull/55045 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Chemi Atlow <chemi@atlow.co.il> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com> Reviewed-By: Paolo Insogna <paolo@cowtech.it> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com> Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
118 lines
4.3 KiB
JavaScript
118 lines
4.3 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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// test-cluster-worker-kill.js
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// verifies that, when a child process is killed (we use SIGKILL)
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// - the primary receives the proper events in the proper order, no duplicates
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// - the exitCode and signalCode are correct in the 'exit' event
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// - the worker.exitedAfterDisconnect flag, and worker.state are correct
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// - the worker process actually goes away
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const common = require('../common');
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const assert = require('assert');
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const cluster = require('cluster');
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if (cluster.isWorker) {
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const http = require('http');
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const server = http.Server(() => { });
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server.once('listening', common.mustCall());
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server.listen(0, '127.0.0.1');
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} else if (cluster.isPrimary) {
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const KILL_SIGNAL = 'SIGKILL';
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const expected_results = {
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cluster_emitDisconnect: [1, "the cluster did not emit 'disconnect'"],
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cluster_emitExit: [1, "the cluster did not emit 'exit'"],
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cluster_exitCode: [null, 'the cluster exited w/ incorrect exitCode'],
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cluster_signalCode: [KILL_SIGNAL,
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'the cluster exited w/ incorrect signalCode'],
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worker_emitDisconnect: [1, "the worker did not emit 'disconnect'"],
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worker_emitExit: [1, "the worker did not emit 'exit'"],
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worker_state: ['disconnected', 'the worker state is incorrect'],
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worker_exitedAfter: [false, 'the .exitedAfterDisconnect flag is incorrect'],
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worker_died: [true, 'the worker is still running'],
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worker_exitCode: [null, 'the worker exited w/ incorrect exitCode'],
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worker_signalCode: [KILL_SIGNAL,
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'the worker exited w/ incorrect signalCode']
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};
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const results = {
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cluster_emitDisconnect: 0,
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cluster_emitExit: 0,
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worker_emitDisconnect: 0,
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worker_emitExit: 0
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};
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// start worker
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const worker = cluster.fork();
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// When the worker is up and running, kill it
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worker.once('listening', common.mustCall(() => {
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worker.process.kill(KILL_SIGNAL);
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}));
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// Check cluster events
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cluster.on('disconnect', common.mustCall(() => {
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results.cluster_emitDisconnect += 1;
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}));
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cluster.on('exit', common.mustCall((worker) => {
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results.cluster_exitCode = worker.process.exitCode;
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results.cluster_signalCode = worker.process.signalCode;
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results.cluster_emitExit += 1;
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}));
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// Check worker events and properties
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worker.on('disconnect', common.mustCall(() => {
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results.worker_emitDisconnect += 1;
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results.worker_exitedAfter = worker.exitedAfterDisconnect;
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results.worker_state = worker.state;
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}));
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// Check that the worker died
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worker.once('exit', common.mustCall((exitCode, signalCode) => {
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results.worker_exitCode = exitCode;
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results.worker_signalCode = signalCode;
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results.worker_emitExit += 1;
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results.worker_died = !common.isAlive(worker.process.pid);
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}));
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process.on('exit', () => {
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checkResults(expected_results, results);
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});
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}
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// Some helper functions ...
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function checkResults(expected_results, results) {
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for (const k in expected_results) {
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const actual = results[k];
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const expected = expected_results[k];
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assert.strictEqual(
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actual, expected?.length ? expected[0] : expected,
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`${expected[1] || ''} [expected: ${expected[0]} / actual: ${actual}]`);
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}
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}
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