Add a test

Author: mpchadwick

dev/tests/integration/testsuite/Magento/NewRelicReporting/Plugin/SeparateAppsTest.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\NewRelicReporting\Plugin;
+
+use Magento\Framework\App\State;
+use Magento\NewRelicReporting\Model\NewRelicWrapper;
+use Magento\TestFramework\ObjectManager;
+use Magento\TestFramework\Helper\Bootstrap;
+
+class SeparateAppsTest extends \PHPUnit\Framework\TestCase
+{
+	/**
+	 * @var ObjectManager
+	 */
+	private $objectManager;
+
+	protected function setUp()
+	{
+		$this->objectManager = Bootstrap::getObjectManager();
+	}
+
+	/**
+	 * @magentoConfigFixture default/newrelicreporting/general/enable 1
+	 * @magentoConfigFixture default/newrelicreporting/general/app_name beverly_hills
+	 * @magentoConfigFixture default/newrelicreporting/general/separate_apps 1
+	 */
+	public function testAppNameIsSetWhenConfiguredCorrectly()
+	{
+		$newRelicWrapper = $this->getMockBuilder(NewRelicWrapper::class)
+			->setMethods(['setAppName'])
+			->getMock();
+
+		$this->objectManager->configure([NewRelicWrapper::class => ['shared' => true]]);
+		$this->objectManager->addSharedInstance($newRelicWrapper, NewRelicWrapper::class);
+
+		$newRelicWrapper->expects($this->once())
+			->method('setAppName')
+			->with($this->equalTo('beverly_hills;beverly_hills_90210'));
+
+		$state = $this->objectManager->get(State::class);
+
+		$state->setAreaCode('90210');
+	}
+}