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51 lines
1.5 KiB
51 lines
1.5 KiB
// Flags: --inspect=0
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'use strict';
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const common = require('../common');
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common.skipIfInspectorDisabled();
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// Assert that even when started with `--inspect=0` workers are assigned
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// consecutive (i.e. deterministically predictable) debug ports
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const assert = require('assert');
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const cluster = require('cluster');
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function serialFork() {
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return new Promise((res) => {
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const worker = cluster.fork();
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worker.on('exit', common.mustCall((code, signal) => {
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// code 0 is normal
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// code 12 can happen if inspector could not bind because of a port clash
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if (code !== 0 && code !== 12)
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assert.fail(`code: ${code}, signal: ${signal}`);
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const port = worker.process.spawnargs
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.map((a) => (/=(?:.*:)?(\d{2,5})$/.exec(a) || [])[1])
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.filter((p) => p)
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.pop();
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res(Number(port));
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}));
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});
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}
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if (cluster.isMaster) {
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Promise.all([serialFork(), serialFork(), serialFork()])
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.then(common.mustCall((ports) => {
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ports.push(process.debugPort);
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ports.sort();
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// 4 = [master, worker1, worker2, worker3].length()
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assert.strictEqual(ports.length, 4);
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assert(ports.every((port) => port > 0));
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assert(ports.every((port) => port < 65536));
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// Ports should be consecutive.
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assert.strictEqual(ports[0] + 1, ports[1]);
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assert.strictEqual(ports[1] + 1, ports[2]);
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assert.strictEqual(ports[2] + 1, ports[3]);
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}))
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.catch(
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(err) => {
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console.error(err);
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process.exit(1);
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});
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} else {
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process.exit(0);
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}
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