test: move tmpdir to submodule of common

Move tmpdir functionality to its own module (common/tmpdir).

Backport-PR-URL: #19488
PR-URL: #17856
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Gibson Fahnestock <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
Reviewed-By: Joyee Cheung <[email protected]>

Author: Trott

benchmark/http/http_server_for_chunky_client.js

@@ -2,22 +2,15 @@
 
 const assert = require('assert');
 const http = require('http');
-const fs = require('fs');
 const { fork } = require('child_process');
 const common = require('../common.js');
-const { PIPE, tmpDir } = require('../../test/common');
+const { PIPE } = require('../../test/common');
+const tmpdir = require('../../test/common/tmpdir');
 process.env.PIPE_NAME = PIPE;
 
-try {
-  fs.accessSync(tmpDir, fs.F_OK);
-} catch (e) {
-  fs.mkdirSync(tmpDir);
-}
+tmpdir.refresh();
 
 var server;
-try {
-  fs.unlinkSync(process.env.PIPE_NAME);
-} catch (e) { /* ignore */ }
 
 server = http.createServer(function(req, res) {
   const headers = {

benchmark/module/module-loader.js

@@ -3,8 +3,8 @@ const fs = require('fs');
 const path = require('path');
 const common = require('../common.js');
 
-const { refreshTmpDir, tmpDir } = require('../../test/common');
-const benchmarkDirectory = path.join(tmpDir, 'nodejs-benchmark-module');
+const tmpdir = require('../../test/common/tmpdir');
+const benchmarkDirectory = path.join(tmpdir.path, 'nodejs-benchmark-module');
 
 const bench = common.createBenchmark(main, {
   thousands: [50],
@@ -15,7 +15,7 @@ const bench = common.createBenchmark(main, {
 function main(conf) {
   const n = +conf.thousands * 1e3;
 
-  refreshTmpDir();
+  tmpdir.refresh();
   try { fs.mkdirSync(benchmarkDirectory); } catch (e) {}
 
   for (var i = 0; i <= n; i++) {
@@ -35,7 +35,7 @@ function main(conf) {
   else
     measureDir(n, conf.useCache === 'true');
 
-  refreshTmpDir();
+  tmpdir.refresh();
 }
 
 function measureFull(n, useCache) {