Optimize GH-5671 tests

tests/swoole_server/single_thread/user_setting.phpt

@@ -1,56 +1,44 @@
 --TEST--
-swoole_server/single_thread: package_length_func
+swoole_server/single_thread: user setting
 --SKIPIF--
-<?php require __DIR__ . '/../../include/skipif.inc';
+<?php
+require __DIR__ . '/../../include/skipif.inc';
+skip_if_not_root();
 ?>
 --FILE--
 <?php
 require __DIR__ . '/../../include/bootstrap.php';
 
+$log_file = tempnam('/tmp', 'swoole_test_');
+chmod($log_file, 0777);
+file_put_contents($log_file, '');
+
 $pm = new SwooleTest\ProcessManager;
-$pm->parentFunc = function ($pid) use ($pm) {
+$pm->parentFunc = function ($pid) use ($pm, $log_file) {
     $url = 'http://127.0.0.1:' . $pm->getFreePort() . '/';
-    $filePath = tempnam('/tmp', 'swoole_test_');
-    $rdata = random_bytes(1024 * 1024);
-    file_put_contents($filePath, $rdata);
-    $ch = curl_init();
-
-    curl_setopt($ch, CURLOPT_URL, $url);
-    curl_setopt($ch, CURLOPT_POST, true);
-    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-    curl_setopt($ch, CURLOPT_HTTPHEADER, [
-        'Accept: text/html',
-        'Content-Type: multipart/form-data'
-    ]);
-    curl_setopt($ch, CURLOPT_POSTFIELDS, [
-        'file' => new CURLFile($filePath, 'text/html')
-    ]);
-    $response = curl_exec($ch);
-    if (curl_errno($ch)) {
-        echo 'ERROR: ' . curl_error($ch);
-    } else {
-        Assert::eq($response, md5($rdata));
-    }
-    curl_close($ch);
-    unlink($filePath);
+    posix_kill($pid, SIGUSR1);
+    sleep(1);
+    $output = file_get_contents($log_file);
+    Assert::contains($output, 'reloading all workers');
+    Assert::contains($output, 'failed to push WORKER_STOP message');
     $pm->kill();
+    unlink($log_file);
 };
 
-$pm->childFunc = function () use ($pm) {
+$pm->childFunc = function () use ($pm, $log_file) {
     $http = new Swoole\Http\Server('0.0.0.0', $pm->getFreePort(), SWOOLE_PROCESS);
     $http->set([
         'single_thread' => true,
         'worker_num' => 1,
-        'user'  => 'www-data',
+        'user' => 'www-data',
         'group' => 'www-data',
-        'heartbeat_idle_time'      => 600,
-        'heartbeat_check_interval' => 30,
+        'log_file' => $log_file,
     ]);
     $http->on('WorkerStart', function (Swoole\Http\Server $serv) use ($pm) {
         $pm->wakeup();
     });
     $http->on('Request', function ($request, $response) {
-        $response->end(md5_file($request->files['file']['tmp_name']));
+        $response->end('hello');
     });
     $http->start();
 };