Convert AsyncPool tests into PHPUnit tests

tests/phpunit/scheduler/AsyncPoolTest.php

@@ -0,0 +1,74 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\scheduler;
+
+use PHPUnit\Framework\TestCase;
+use pocketmine\utils\MainLogger;
+use pocketmine\utils\Terminal;
+use function define;
+use function dirname;
+use function microtime;
+use function sys_get_temp_dir;
+use function tempnam;
+use function usleep;
+
+class AsyncPoolTest extends TestCase{
+
+	/** @var AsyncPool */
+	private $pool;
+	/** @var MainLogger */
+	private $mainLogger;
+
+	public function setUp() : void{
+		Terminal::init();
+		@define('pocketmine\\COMPOSER_AUTOLOADER_PATH', dirname(__DIR__, 3) . '/vendor/autoload.php');
+		$this->mainLogger = new MainLogger(tempnam(sys_get_temp_dir(), "pmlog"));
+		$this->pool = new AsyncPool(2, 1024, new \BaseClassLoader(), $this->mainLogger);
+	}
+
+	public function tearDown() : void{
+		$this->pool->shutdown();
+		$this->mainLogger->shutdown();
+		$this->mainLogger->join();
+	}
+
+	public function testTaskLeak() : void{
+		$start = microtime(true);
+		$this->pool->submitTask(new LeakTestAsyncTask());
+		while(!LeakTestAsyncTask::$destroyed and microtime(true) < $start + 30){
+			usleep(50 * 1000);
+			$this->pool->collectTasks();
+		}
+		self::assertTrue(LeakTestAsyncTask::$destroyed, "Task was not destroyed after 30 seconds");
+	}
+
+	public function testPublishProgressRace() : void{
+		$task = new PublishProgressRaceAsyncTask();
+		$this->pool->submitTask($task);
+		while($this->pool->collectTasks()){
+			usleep(50 * 1000);
+		}
+		self::assertTrue(PublishProgressRaceAsyncTask::$success, "Progress was not reported before task completion");
+	}
+}

tests/phpunit/scheduler/LeakTestAsyncTask.php

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+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\scheduler;
+
+use function usleep;
+
+class LeakTestAsyncTask extends AsyncTask{
+	/** @var bool */
+	public static $destroyed = false;
+
+	public function onRun() : void{
+		usleep(50 * 1000); //1 server tick
+	}
+
+	protected function reallyDestruct() : void{
+		self::$destroyed = true;
+	}
+}

tests/phpunit/scheduler/PublishProgressRaceAsyncTask.php

@@ -0,0 +1,40 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\scheduler;
+
+class PublishProgressRaceAsyncTask extends AsyncTask{
+	/** @var bool */
+	public static $success = false;
+
+	public function onRun() : void{
+		$this->publishProgress("hello");
+	}
+
+	public function onProgressUpdate($progress) : void{
+		if($progress === "hello"){
+			// thread local on main thread
+			self::$success = true;
+		}
+	}
+}