Test if module is enabled

Author: schmengler

tests/Integration/ModuleTest.php

@@ -0,0 +1,44 @@
+<?php
+declare(strict_types=1);
+
+namespace IntegerNet\AsyncVarnish\Test\Integration;
+
+use Magento\Framework\Component\ComponentRegistrar;
+use Magento\Framework\Module\ModuleList;
+use Magento\TestFramework\ObjectManager;
+use PHPUnit\Framework\TestCase;
+
+class ModuleTest extends TestCase
+{
+
+    /**
+     * @var ObjectManager
+     */
+    private $objectManager;
+    const MODULE_NAME = 'IntegerNet_AsyncVarnish';
+    /**
+     * @return ModuleList
+     */
+    private function getTestModuleList()
+    {
+        /** @var ModuleList $moduleList */
+        $moduleList = $this->objectManager->create(ModuleList::class);
+        return $moduleList;
+    }
+    protected function setUp()
+    {
+        $this->objectManager = ObjectManager::getInstance();
+    }
+    public function testTheModuleIsRegistered()
+    {
+        $registrar = new ComponentRegistrar();
+        $paths = $registrar->getPaths(ComponentRegistrar::MODULE);
+        $this->assertArrayHasKey(self::MODULE_NAME, $paths, 'Module should be registered');
+    }
+    public function testTheModuleIsKnownAndEnabled()
+    {
+        $moduleList = $this->getTestModuleList();
+        $this->assertTrue($moduleList->has(self::MODULE_NAME),  'Module should be enabled');
+    }
+
+}