Add unit test for ModuleAdapter::getElement (joomla#33260)

Signed-off-by: Phil E. Taylor <[email protected]>

Author: Phil E. Taylor

tests/Unit/Libraries/Cms/Installer/Adapter/ModuleAdapterTest.php

@@ -0,0 +1,124 @@
+<?php
+/**
+ * @package        Joomla.UnitTest
+ * @subpackage     Installer
+ *
+ * @copyright      (C) 2019 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license        GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Tests\Unit\Libraries\Cms\Installer\Adapter;
+
+use Joomla\CMS\Installer\Adapter\ModuleAdapter;
+use Joomla\Tests\Unit\UnitTestCase;
+
+/**
+ * ModuleAdapterTest
+ *
+ * @since   __DEPLOY_VERSION__
+ */
+class ModuleAdapterTest extends UnitTestCase
+{
+	/**
+	 * @var ModuleAdapter
+	 *
+	 * @since   __DEPLOY_VERSION__
+	 */
+	protected $moduleAdapter;
+
+	/**
+	 * @return void
+	 * @since   __DEPLOY_VERSION__
+	 */
+	protected function setUp():void
+	{
+		$this->moduleAdapter = $this->getMockBuilder(ModuleAdapter::class)
+			->onlyMethods([])
+			->disableOriginalConstructor()
+			->getMock();
+
+		parent::setUp();
+	}
+
+	/**
+	 * This method is called after a test is executed.
+	 *
+	 * @return void
+	 * @since   __DEPLOY_VERSION__
+	 */
+	protected function tearDown():void
+	{
+		unset($this->moduleAdapter);
+
+		parent::tearDown();
+	}
+
+	/**
+	 * @return void
+	 *
+	 * @since    __DEPLOY_VERSION__
+	 */
+	public function testInit()
+	{
+		$this->assertInstanceOf(ModuleAdapter::class, $this->moduleAdapter);
+	}
+
+	/**
+	 * Tests the legacy way of specifying the element in module XML
+	 *
+	 * @return void
+	 *
+	 * @since    __DEPLOY_VERSION__
+	 */
+	public function testgetElement1()
+	{
+		$xml = simplexml_load_file(JPATH_ADMINISTRATOR . '/modules/mod_quickicon/mod_quickicon.xml');
+		$this->moduleAdapter->setManifest($xml);
+
+		$this->assertNotNull($this->moduleAdapter->manifest);
+
+		$this->assertEquals('mod_quickicon', $this->moduleAdapter->getElement());
+		$this->assertEquals('somethingElse', $this->moduleAdapter->getElement('somethingElse'));
+	}
+
+	/**
+	 * Tests the legacy way of specifying the element in module XML
+	 *
+	 * @return void
+	 *
+	 * @since    __DEPLOY_VERSION__
+	 */
+	public function testgetElement2()
+	{
+		$xml = simplexml_load_file(JPATH_ADMINISTRATOR . '/modules/mod_sampledata/mod_sampledata.xml');
+		$this->moduleAdapter->setManifest($xml);
+
+		$this->assertNotNull($this->moduleAdapter->manifest);
+
+		$this->assertEquals('mod_sampledata', $this->moduleAdapter->getElement());
+		$this->assertEquals('somethingElse', $this->moduleAdapter->getElement('somethingElse'));
+	}
+
+	/**
+	 * Tests the new <element/> tag in Joomla 4 modules introduced in https://github.com/joomla/joomla-cms/pull/33182
+	 *
+	 * @return void
+	 *
+	 * @since    __DEPLOY_VERSION__
+	 */
+	public function testgetElementFromElementTag()
+	{
+		$xml = file_get_contents(JPATH_ADMINISTRATOR . '/modules/mod_quickicon/mod_quickicon.xml');
+
+		// Insert a Joomla 4 <module/> tag
+		$xml = str_replace('<name>mod_quickicon</name>', '<name>mod_quickicon</name><element>mod_quickicon</element>', $xml);
+
+		$xml = simplexml_load_string($xml);
+		$this->moduleAdapter->setManifest($xml);
+
+		$this->assertNotNull($this->moduleAdapter->manifest);
+
+		$this->assertEquals('mod_quickicon', $this->moduleAdapter->getElement());
+		$this->assertEquals('somethingElse', $this->moduleAdapter->getElement('somethingElse'));
+	}
+}