nodejs/test/parallel/test-process-getgroups.js

53 lines
1.9 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
// Check `id -G` and `process.getgroups()` return same groups.
if (common.isOSX)
common.skip('Output of `id -G` is unreliable on Darwin.');
const assert = require('assert');
const exec = require('child_process').exec;
if (typeof process.getgroups === 'function') {
const groups = unique(process.getgroups());
assert(Array.isArray(groups));
assert(groups.length > 0);
exec('id -G', function(err, stdout) {
assert.ifError(err);
const real_groups = unique(stdout.match(/\d+/g).map(Number));
assert.deepStrictEqual(groups, real_groups);
check(groups, real_groups);
check(real_groups, groups);
});
}
function check(a, b) {
for (let i = 0; i < a.length; ++i) assert(b.includes(a[i]));
}
function unique(groups) {
return [...new Set(groups)].sort();
}