test: add tests for process.initgroups

- test argument validation - test function throws if provided group is invalid PR-URL: #24154 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: James Herrington

test/parallel/test-process-initgroups.js

@@ -0,0 +1,54 @@
+'use strict';
+constcommon=require('../common');
+constassert=require('assert');
+
+if(common.isWindows||!common.isMainThread){
+assert.strictEqual(process.initgroups,undefined);
+return;
+}
+
+[undefined,null,true,{},[],()=>{}].forEach((val)=>{
+assert.throws(
+()=>{
+process.initgroups(val);
+},
+{
+code: 'ERR_INVALID_ARG_TYPE',
+name: 'TypeError [ERR_INVALID_ARG_TYPE]',
+message:
+'The "user" argument must be '+
+'one of type number or string. '+
+`Received type ${typeofval}`
+}
+);
+});
+
+[undefined,null,true,{},[],()=>{}].forEach((val)=>{
+assert.throws(
+()=>{
+process.initgroups('foo',val);
+},
+{
+code: 'ERR_INVALID_ARG_TYPE',
+name: 'TypeError [ERR_INVALID_ARG_TYPE]',
+message:
+'The "extraGroup" argument must be '+
+'one of type number or string. '+
+`Received type ${typeofval}`
+}
+);
+});
+
+assert.throws(
+()=>{
+process.initgroups(
+'fhqwhgadshgnsdhjsdbkhsdabkfabkveyb',
+'fhqwhgadshgnsdhjsdbkhsdabkfabkveyb'
+);
+},
+{
+code: 'ERR_UNKNOWN_CREDENTIAL',
+message:
+'Group identifier does not exist: fhqwhgadshgnsdhjsdbkhsdabkfabkveyb'
+}
+);