Test kernel shutdown

tests/Functional/KernelShutdownTest.php

@@ -0,0 +1,45 @@
+<?php
+declare(strict_types=1);
+
+namespace Functional;
+
+use Neusta\Pimcore\TestingFramework\Kernel\TestKernel;
+use Neusta\Pimcore\TestingFramework\Test\ConfigurableKernelTestCase;
+use Symfony\Component\Filesystem\Filesystem;
+
+class KernelShutdownTest extends ConfigurableKernelTestCase
+{
+    /**
+     * @test
+     */
+    public function it_does_not_cleanup_the_cache_directory_of_the_standard_kernel(): void
+    {
+        $cacheDirectory = self::bootKernel()->getCacheDir();
+        $filesystem = new Filesystem();
+
+        self::assertTrue($filesystem->exists($cacheDirectory));
+
+        self::ensureKernelShutdown();
+
+        self::assertTrue($filesystem->exists($cacheDirectory));
+    }
+
+    /**
+     * @test
+     */
+    public function it_does_cleanup_the_cache_directory_of_the_dynamic_kernel(): void
+    {
+        $kernel = self::bootKernel(['config' => function (TestKernel $kernel) {
+            $kernel->addTestExtensionConfig('framework', ['secret' => 'foo']);
+        }]);
+
+        $cacheDirectory = $kernel->getCacheDir();
+        $filesystem = new Filesystem();
+
+        self::assertTrue($filesystem->exists($cacheDirectory));
+
+        self::ensureKernelShutdown();
+
+        self::assertFalse($filesystem->exists($cacheDirectory));
+    }
+}