[Framework] New Link is not correctly shown as Current if contains default parts

lib/internal/Magento/Framework/View/Element/Html/Link/Current.php

@@ -5,6 +5,10 @@
  */
 namespace Magento\Framework\View\Element\Html\Link;
 
+use Magento\Framework\App\DefaultPathInterface;
+use Magento\Framework\View\Element\Template;
+use Magento\Framework\View\Element\Template\Context;
+
 /**
  * Block representing link with two possible states.
  * "Current" state means link leads to URL equivalent to URL of currently displayed page.
@@ -17,25 +21,25 @@
  * @method null|bool                       getCurrent()
  * @method \Magento\Framework\View\Element\Html\Link\Current setCurrent(bool $value)
  */
-class Current extends \Magento\Framework\View\Element\Template
+class Current extends Template
 {
     /**
      * Default path
      *
-     * @var \Magento\Framework\App\DefaultPathInterface
+     * @var DefaultPathInterface
      */
     protected $_defaultPath;
 
     /**
      * Constructor
      *
-     * @param \Magento\Framework\View\Element\Template\Context $context
-     * @param \Magento\Framework\App\DefaultPathInterface $defaultPath
+     * @param Context $context
+     * @param DefaultPathInterface $defaultPath
      * @param array $data
      */
     public function __construct(
-        \Magento\Framework\View\Element\Template\Context $context,
-        \Magento\Framework\App\DefaultPathInterface $defaultPath,
+        Context $context,
+        DefaultPathInterface $defaultPath,
         array $data = []
     ) {
         parent::__construct($context, $data);
@@ -56,18 +60,20 @@ public function getHref()
      * Get current mca
      *
      * @return string
+     * @SuppressWarnings(PHPMD.RequestAwareBlockMethod)
      */
     private function getMca()
     {
         $routeParts = [
-            'module' => $this->_request->getModuleName(),
-            'controller' => $this->_request->getControllerName(),
-            'action' => $this->_request->getActionName(),
+            (string)$this->_request->getModuleName(),
+            (string)$this->_request->getControllerName(),
+            (string)$this->_request->getActionName(),
         ];
 
         $parts = [];
+        $pathParts = explode('/', trim($this->_request->getPathInfo(), '/'));
         foreach ($routeParts as $key => $value) {
-            if (!empty($value) && $value != $this->_defaultPath->getPart($key)) {
+            if (isset($pathParts[$key]) && $pathParts[$key] === $value) {
                 $parts[] = $value;
             }
         }

lib/internal/Magento/Framework/View/Test/Unit/Element/Html/Link/CurrentTest.php

@@ -17,11 +17,6 @@ class CurrentTest extends \PHPUnit\Framework\TestCase
      */
     protected $_requestMock;
 
-    /**
-     * @var \PHPUnit_Framework_MockObject_MockObject
-     */
-    protected $_defaultPathMock;
-
     /**
      * @var \Magento\Framework\TestFramework\Unit\Helper\ObjectManager
      */
@@ -32,7 +27,6 @@ protected function setUp()
         $this->_objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
         $this->_urlBuilderMock = $this->createMock(\Magento\Framework\UrlInterface::class);
         $this->_requestMock = $this->createMock(\Magento\Framework\App\Request\Http::class);
-        $this->_defaultPathMock = $this->createMock(\Magento\Framework\App\DefaultPathInterface::class);
     }
 
     public function testGetUrl()
@@ -60,29 +54,46 @@ public function testIsCurrentIfIsset()
         $this->assertTrue($link->isCurrent());
     }
 
+    /**
+     * Test if the current url is the same as link path
+     *
+     * @return void
+     */
     public function testIsCurrent()
     {
-        $path = 'test/path';
-        $url = 'http://example.com/a/b';
-
-        $this->_requestMock->expects($this->once())->method('getModuleName')->will($this->returnValue('a'));
-        $this->_requestMock->expects($this->once())->method('getControllerName')->will($this->returnValue('b'));
-        $this->_requestMock->expects($this->once())->method('getActionName')->will($this->returnValue('d'));
-        $this->_defaultPathMock->expects($this->atLeastOnce())->method('getPart')->will($this->returnValue('d'));
+        $path = 'test/index';
+        $url = 'http://example.com/test/index';
+
+        $this->_requestMock->expects($this->once())
+            ->method('getPathInfo')
+            ->will($this->returnValue('/test/index/'));
+        $this->_requestMock->expects($this->once())
+            ->method('getModuleName')
+            ->will($this->returnValue('test'));
+        $this->_requestMock->expects($this->once())
+            ->method('getControllerName')
+            ->will($this->returnValue('index'));
+        $this->_requestMock->expects($this->once())
+            ->method('getActionName')
+            ->will($this->returnValue('index'));
+        $this->_urlBuilderMock->expects($this->at(0))
+            ->method('getUrl')
+            ->with($path)
+            ->will($this->returnValue($url));
+        $this->_urlBuilderMock->expects($this->at(1))
+            ->method('getUrl')
+            ->with('test/index')
+            ->will($this->returnValue($url));
 
-        $this->_urlBuilderMock->expects($this->at(0))->method('getUrl')->with($path)->will($this->returnValue($url));
-        $this->_urlBuilderMock->expects($this->at(1))->method('getUrl')->with('a/b')->will($this->returnValue($url));
-
-        $this->_requestMock->expects($this->once())->method('getControllerName')->will($this->returnValue('b'));
         /** @var \Magento\Framework\View\Element\Html\Link\Current $link */
         $link = $this->_objectManager->getObject(
             \Magento\Framework\View\Element\Html\Link\Current::class,
             [
                 'urlBuilder' => $this->_urlBuilderMock,
-                'request' => $this->_requestMock,
-                'defaultPath' => $this->_defaultPathMock
+                'request' => $this->_requestMock
             ]
         );
+
         $link->setPath($path);
         $this->assertTrue($link->isCurrent());
     }