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Some systems may have multiple group names with the same group ID, in which case getgroups() returns duplicate values, where `id -G` will filter the duplicates. Unique and sort the arrays so they can be compared. PR-URL: https://github.com/nodejs/node/pull/10389 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
33 lines
869 B
JavaScript
33 lines
869 B
JavaScript
'use strict';
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const common = require('../common');
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// Check `id -G` and `process.getgroups()` return same groups.
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if (common.isOSX) {
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common.skip('Output of `id -G` is unreliable on Darwin.');
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return;
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}
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const assert = require('assert');
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const exec = require('child_process').exec;
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if (typeof process.getgroups === 'function') {
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const groups = unique(process.getgroups());
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assert(Array.isArray(groups));
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assert(groups.length > 0);
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exec('id -G', function(err, stdout) {
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assert.ifError(err);
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const real_groups = unique(stdout.match(/\d+/g).map(Number));
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assert.deepStrictEqual(groups, real_groups);
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check(groups, real_groups);
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check(real_groups, groups);
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});
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}
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function check(a, b) {
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for (let i = 0; i < a.length; ++i) assert.notStrictEqual(b.indexOf(a[i]), -1);
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}
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function unique(groups) {
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return [...new Set(groups)].sort();
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}
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