worker: provide process.execArgv

Provide `process.execArgv`. If an `execArgv` option is passed to the
`Worker` constructor, that option is used as its value; if not,
the parent’s `process.execArgv` is inherited (since that also goes
for the actual options in that case).

PR-URL: https://github.com/nodejs/node/pull/26267
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

1 files changed, 34 insertions, 14 deletions

diff --git a/test/parallel/test-process-exec-argv.js b/test/parallel/test-process-exec-argv.js
index 578ee7b5d1..6321f15177 100644
--- a/test/parallel/test-process-exec-argv.js
+++ b/test/parallel/test-process-exec-argv.js
@@ -20,26 +20,46 @@
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 'use strict';
-require('../common');
+const common = require('../common');
 const assert = require('assert');
 const spawn = require('child_process').spawn;
+const { Worker, isMainThread } = require('worker_threads');
 
-if (process.argv[2] === 'child') {
-  process.stdout.write(JSON.stringify(process.execArgv));
+if (process.argv[2] === 'child' || !isMainThread) {
+  if (process.argv[3] === 'cp+worker')
+    new Worker(__filename);
+  else
+    process.stdout.write(JSON.stringify(process.execArgv));
 } else {
   for (const extra of [ [], [ '--' ] ]) {
-    const execArgv = ['--stack-size=256'];
-    const args = [__filename, 'child', 'arg0'];
-    const child = spawn(process.execPath, [...execArgv, ...extra, ...args]);
-    let out = '';
+    for (const kind of [ 'cp', 'worker', 'cp+worker' ]) {
+      const execArgv = ['--pending-deprecation'];
+      const args = [__filename, 'child', kind];
+      let child;
+      switch (kind) {
+        case 'cp':
+          child = spawn(process.execPath, [...execArgv, ...extra, ...args]);
+          break;
+        case 'worker':
+          child = new Worker(__filename, {
+            execArgv: [...execArgv, ...extra],
+            stdout: true
+          });
+          break;
+        case 'cp+worker':
+          child = spawn(process.execPath, [...execArgv, ...args]);
+          break;
+      }
 
-    child.stdout.setEncoding('utf8');
-    child.stdout.on('data', function(chunk) {
-      out += chunk;
-    });
+      let out = '';
+      child.stdout.setEncoding('utf8');
+      child.stdout.on('data', (chunk) => {
+        out += chunk;
+      });
 
-    child.on('close', function() {
-      assert.deepStrictEqual(JSON.parse(out), execArgv);
-    });
+      child.stdout.on('end', common.mustCall(() => {
+        assert.deepStrictEqual(JSON.parse(out), execArgv);
+      }));
+    }
   }
 }