[Discovery One] Improve tests

tests/Task/BuiltIn/Symfony/CachePoolClearTaskTest.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace Mage\tests\Task\BuiltIn\Symfony;
+
+
+use Mage\Task\BuiltIn\Symfony\CachePoolClearTask;
+use PHPUnit\Framework\TestCase;
+use Mage\Tests\Runtime\RuntimeMockup;
+use Mage\Task\Exception\ErrorException;
+
+class CachePoolClearTaskTest extends TestCase
+{
+    /**
+     * @var RuntimeMockup
+     */
+    private $runtime;
+
+    public function setUp()
+    {
+        $this->runtime = new RuntimeMockup();
+        $this->runtime->setConfiguration(['environments' => ['test' => []]]);
+        $this->runtime->setEnvironment('test');
+    }
+
+    public function testAsseticDumpTask()
+    {
+        $task = new CachePoolClearTask();
+        $task->setOptions(['env' => 'test']);
+        $task->setRuntime($this->runtime);
+        $this->assertEquals('[Symfony] Cache Pool Clear', $task->getDescription());
+
+        try {
+            $task->execute();
+        } catch (ErrorException $exception) {
+            $this->assertEquals('Parameter "pools" is not defined', $exception->getMessage());
+        }
+    }
+}