ENGCOM-6937: [Layout] Adding 'article' as an additional supported layout tag #26904

 - Merge Pull Request #26904 from eduard13/magento2:container-article-tag
 - Merged commits:
   1. 1d2dd67
   2. da37605

Author: magento-engcom-team

dev/tests/integration/testsuite/Magento/Framework/View/LayoutTest.php

@@ -274,7 +274,7 @@ public function testAddContainerInvalidHtmlTag()
     {
         $msg = 'Html tag "span" is forbidden for usage in containers. ' .
             'Consider to use one of the allowed: aside, dd, div, dl, fieldset, main, nav, ' .
-            'header, footer, ol, p, section, table, tfoot, ul.';
+            'header, footer, ol, p, section, table, tfoot, ul, article.';
         $this->expectException(\Magento\Framework\Exception\LocalizedException::class);
         $this->expectExceptionMessage($msg);
         $this->_layout->addContainer('container', 'Container', ['htmlTag' => 'span']);

lib/internal/Magento/Framework/View/Layout/Generator/Container.php

@@ -7,6 +7,9 @@
 
 use Magento\Framework\View\Layout;
 
+/**
+ * Layout Container Class
+ */
 class Container implements Layout\GeneratorInterface
 {
     /**#@+
@@ -39,10 +42,11 @@ class Container implements Layout\GeneratorInterface
         'table',
         'tfoot',
         'ul',
+        'article',
     ];
 
     /**
-     * {@inheritdoc}
+     * @inheritdoc
      *
      * @return string
      */
@@ -95,8 +99,12 @@ public function generateContainer(
     }
 
     /**
+     * Validate container options
+     *
      * @param array $options
+     *
      * @return void
+     *
      * @throws \Magento\Framework\Exception\LocalizedException
      */
     protected function validateOptions($options)

lib/internal/Magento/Framework/View/Test/Unit/Layout/Generator/ContainerTest.php

@@ -138,6 +138,26 @@ public function processDataProvider()
                     ['first_container', Container::CONTAINER_OPT_HTML_ID, 'dd_id'],
                 ],
                 'setAttributeCalls' => 3,
+            ],
+            'Article as allowed container tag' => [
+                'structureElements' => [
+                    'first_container' => [
+                        'container',
+                        [
+                            'attributes' => [
+                                Container::CONTAINER_OPT_HTML_TAG   => 'article',
+                                Container::CONTAINER_OPT_HTML_CLASS => 'article_class',
+                                Container::CONTAINER_OPT_HTML_ID    => 'article_id',
+                            ]
+                        ],
+                    ],
+                ],
+                'setAttributeData' => [
+                    ['first_container', Container::CONTAINER_OPT_HTML_TAG, 'article'],
+                    ['first_container', Container::CONTAINER_OPT_HTML_CLASS, 'article_class'],
+                    ['first_container', Container::CONTAINER_OPT_HTML_ID, 'article_id'],
+                ],
+                'setAttributeCalls' => 3,
             ]
         ];
     }