test: remove envPlus, use Object.assign everywhere

PR-URL: #14845
Backport-PR-URL: #15557
Fixes: #14823
Refs: #14822
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>

Author: gibfahn

test/parallel/test-child-process-env.js

@@ -13,9 +13,12 @@ Object.setPrototypeOf(env, {
 
 let child;
 if (common.isWindows) {
-  child = spawn('cmd.exe', ['/c', 'set'], {env: env});
+  child = spawn('cmd.exe', ['/c', 'set'],
+                Object.assign({}, process.env, { env: env }));
 } else {
-  child = spawn('/usr/bin/env', [], {env: env});
+  child = spawn('/usr/bin/env', [], { env: env });
+  child = spawn('/usr/bin/env', [],
+                Object.assign({}, process.env, { env: env }));
 }
 
 

test/parallel/test-child-process-exec-env.js

@@ -23,7 +23,9 @@ function after(err, stdout, stderr) {
 if (!common.isWindows) {
   child = exec('/usr/bin/env', { env: { 'HELLO': 'WORLD' } }, after);
 } else {
-  child = exec('set', { env: { 'HELLO': 'WORLD' } }, after);
+  child = exec('set',
+               { env: Object.assign({}, process.env, { 'HELLO': 'WORLD' }) },
+               after);
 }
 
 child.stdout.setEncoding('utf8');

test/parallel/test-crypto-fips.js

@@ -23,15 +23,6 @@ function sharedOpenSSL() {
   return process.config.variables.node_shared_openssl;
 }
 
-function addToEnv(newVar, value) {
-  const envCopy = {};
-  for (const e in process.env) {
-    envCopy[e] = process.env[e];
-  }
-  envCopy[newVar] = value;
-  return envCopy;
-}
-
 function testHelper(stream, args, expectedOutput, cmd, env) {
   const fullArgs = args.concat(['-e', `console.log(${cmd})`]);
   const child = spawnSync(process.execPath, fullArgs, {
@@ -69,7 +60,7 @@ testHelper(
   [],
   FIPS_DISABLED,
   'require("crypto").fips',
-  addToEnv('OPENSSL_CONF', ''));
+  Object.assign({}, process.env, { 'OPENSSL_CONF': '' }));
 
 // --enable-fips should turn FIPS mode on
 testHelper(
@@ -114,23 +105,23 @@ if (!sharedOpenSSL()) {
     [],
     compiledWithFips() ? FIPS_ENABLED : FIPS_DISABLED,
     'require("crypto").fips',
-    addToEnv('OPENSSL_CONF', CNF_FIPS_ON));
+    Object.assign({}, process.env, { 'OPENSSL_CONF': CNF_FIPS_ON }));
 
   // --openssl-config option should override OPENSSL_CONF
   testHelper(
     'stdout',
     [`--openssl-config=${CNF_FIPS_ON}`],
     compiledWithFips() ? FIPS_ENABLED : FIPS_DISABLED,
     'require("crypto").fips',
-    addToEnv('OPENSSL_CONF', CNF_FIPS_OFF));
+    Object.assign({}, process.env, { 'OPENSSL_CONF': CNF_FIPS_OFF }));
 }
 
 testHelper(
   'stdout',
   [`--openssl-config=${CNF_FIPS_OFF}`],
   FIPS_DISABLED,
   'require("crypto").fips',
-  addToEnv('OPENSSL_CONF', CNF_FIPS_ON));
+  Object.assign({}, process.env, { 'OPENSSL_CONF': CNF_FIPS_ON }));
 
 // --enable-fips should take precedence over OpenSSL config file
 testHelper(
@@ -146,7 +137,7 @@ testHelper(
   ['--enable-fips'],
   compiledWithFips() ? FIPS_ENABLED : OPTION_ERROR_STRING,
   'require("crypto").fips',
-  addToEnv('OPENSSL_CONF', CNF_FIPS_OFF));
+  Object.assign({}, process.env, { 'OPENSSL_CONF': CNF_FIPS_OFF }));
 
 // --force-fips should take precedence over OpenSSL config file
 testHelper(
@@ -162,7 +153,7 @@ testHelper(
   ['--force-fips'],
   compiledWithFips() ? FIPS_ENABLED : OPTION_ERROR_STRING,
   'require("crypto").fips',
-  addToEnv('OPENSSL_CONF', CNF_FIPS_OFF));
+  Object.assign({}, process.env, { 'OPENSSL_CONF': CNF_FIPS_OFF }));
 
 // setFipsCrypto should be able to turn FIPS mode on
 testHelper(

test/parallel/test-fs-readfile-error.js

@@ -12,7 +12,7 @@ const path = require('path');
 function test(env, cb) {
   const filename = path.join(common.fixturesDir, 'test-fs-readfile-error.js');
   const execPath = `"${process.execPath}" "${filename}"`;
-  const options = { env: Object.assign(process.env, env) };
+  const options = { env: Object.assign({}, process.env, env) };
   exec(execPath, options, common.mustCall((err, stdout, stderr) => {
     assert(err);
     assert.strictEqual(stdout, '');

test/parallel/test-http-server-stale-close.js

@@ -1,7 +1,6 @@
 'use strict';
 require('../common');
 const http = require('http');
-const util = require('util');
 const fork = require('child_process').fork;
 
 if (process.env.NODE_TEST_FORK_PORT) {
@@ -24,7 +23,9 @@ if (process.env.NODE_TEST_FORK_PORT) {
   });
   server.listen(0, function() {
     fork(__filename, {
-      env: util._extend(process.env, {NODE_TEST_FORK_PORT: this.address().port})
+      env: Object.assign({}, process.env, {
+        NODE_TEST_FORK_PORT: this.address().port
+      })
     });
   });
 }

test/parallel/test-npm-install.js

@@ -32,11 +32,12 @@ const pkgPath = path.join(installDir, 'package.json');
 
 fs.writeFileSync(pkgPath, pkgContent);
 
-const env = Object.create(process.env);
-env['PATH'] = path.dirname(process.execPath);
-env['NPM_CONFIG_PREFIX'] = path.join(npmSandbox, 'npm-prefix');
-env['NPM_CONFIG_TMP'] = path.join(npmSandbox, 'npm-tmp');
-env['HOME'] = path.join(npmSandbox, 'home');
+const env = Object.assign({}, process.env, {
+  PATH: path.dirname(process.execPath),
+  NPM_CONFIG_PREFIX: path.join(npmSandbox, 'npm-prefix'),
+  NPM_CONFIG_TMP: path.join(npmSandbox, 'npm-tmp'),
+  HOME: path.join(npmSandbox, 'home'),
+});
 
 exec(`${process.execPath} ${npmPath} install`, {
   cwd: installDir,

test/parallel/test-repl-envvars.js

@@ -36,7 +36,7 @@ const tests = [
 ];
 
 function run(test) {
-  const env = test.env;
+  const env = Object.assign({}, process.env, test.env);
   const expected = test.expected;
   const opts = {
     terminal: true,

test/parallel/test-stdin-script-child.js

@@ -4,7 +4,7 @@ const assert = require('assert');
 
 const spawn = require('child_process').spawn;
 const child = spawn(process.execPath, [], {
-  env: Object.assign(process.env, {
+  env: Object.assign({}, process.env, {
     NODE_DEBUG: process.argv[2]
   })
 });

test/sequential/test-net-GH-5504.js

@@ -49,7 +49,7 @@ function parent() {
   const node = process.execPath;
 
   const s = spawn(node, [__filename, 'server'], {
-    env: Object.assign(process.env, {
+    env: Object.assign({}, process.env, {
       NODE_DEBUG: 'net'
     })
   });

test/sequential/test-util-debug.js

@@ -26,7 +26,7 @@ function test(environ, shouldWrite) {
 
   const spawn = require('child_process').spawn;
   const child = spawn(process.execPath, [__filename, 'child'], {
-    env: Object.assign(process.env, { NODE_DEBUG: environ })
+    env: Object.assign({}, process.env, { NODE_DEBUG: environ })
   });
 
   expectErr = expectErr.split('%PID%').join(child.pid);