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'use strict'; // Original test written by Jakub Lekstan <[email protected]> const common = require('../common'); // FIXME add sunos support if (common.isSunOS) common.skip(`Unsupported platform [${process.platform}]`); if (!common.isMainThread) common.skip('Setting the process title from Workers is not supported'); const assert = require('assert'); const exec = require('child_process').exec; const path = require('path'); // The title shouldn't be too long; libuv's uv_set_process_title() out of // security considerations no longer overwrites envp, only argv, so the // maximum title length is possibly quite short. let title = String(process.pid); assert.notStrictEqual(process.title, title); process.title = title; assert.strictEqual(process.title, title); // Test setting the title but do not try to run `ps` on Windows. if (common.isWindows) common.skip('Windows does not have "ps" utility'); // To pass this test on alpine, since Busybox `ps` does not // support `-p` switch, use `ps -o` and `grep` instead. const cmd = common.isLinux ? `ps -o pid,args | grep '${process.pid} ${title}' | grep -v grep` : `ps -p ${process.pid} -o args=`; exec(cmd, common.mustCall((error, stdout, stderr) => { assert.ifError(error); assert.strictEqual(stderr, ''); // Freebsd always add ' (procname)' to the process title if (common.isFreeBSD || common.isOpenBSD) title += ` (${path.basename(process.execPath)})`; // Omitting trailing whitespace and \n assert.strictEqual(stdout.replace(/\s+$/, '').endsWith(title), true); }));