test: improve UV_THREADPOOL_SIZE tests on .env

PR-URL: #49213 Reviewed-By: Chemi Atlow <[email protected]> Reviewed-By: Geoffrey Booth <[email protected]>

Author: anonrig

test/fixtures/dotenv/uv-threadpool.env

@@ -0,0 +1 @@
+UV_THREADPOOL_SIZE=4

test/node-api/test_uv_threadpool_size/node-options.js

@@ -0,0 +1,31 @@
+'use strict';
+
+constcommon=require('../../common');
+constassert=require('assert');
+constpath=require('path');
+const{ spawnSync }=require('child_process');
+
+if(process.config.variables.node_without_node_options){
+common.skip('missing NODE_OPTIONS support');
+}
+
+constuvThreadPoolPath='../../fixtures/dotenv/uv-threadpool.env';
+
+// Should update UV_THREADPOOL_SIZE
+letfilePath=path.join(__dirname,`./build/${common.buildType}/test_uv_threadpool_size`);
+if(common.isWindows){
+filePath=filePath.replaceAll('\\','\\\\');
+}
+constcode=`
+ const{test } = require('${filePath}');
+ const size = parseInt(process.env.UV_THREADPOOL_SIZE, 10);
+ require('assert').strictEqual(size, 4);
+ test(size);
+ `.trim();
+constchild=spawnSync(
+process.execPath,
+[`--env-file=${uvThreadPoolPath}`,'--eval',code],
+{cwd: __dirname,encoding: 'utf-8'},
+);
+assert.strictEqual(child.stderr,'');
+assert.strictEqual(child.status,0);

test/parallel/test-dotenv-node-options.js

@@ -62,17 +62,4 @@ describe('.env supports NODE_OPTIONS', () =>{
 assert.strictEqual(child.code,0);
 });
 
-it('should update UV_THREADPOOL_SIZE',async()=>{
-constcode=`
- require('assert').strictEqual(process.env.UV_THREADPOOL_SIZE, '5')
- `.trim();
-constchild=awaitcommon.spawnPromisified(
-process.execPath,
-[`--env-file=${relativePath}`,'--eval',code],
-{cwd: __dirname},
-);
-assert.strictEqual(child.stderr,'');
-assert.strictEqual(child.code,0);
-});
-
 });