ACP2E-2977: Implement Static test which will check for no usage of object manager in .phtml files

Author: veloraven

Magento2/Sniffs/Phtml/PhtmlTemplateObjectManagerSniff.php

@@ -0,0 +1,56 @@
+<?php
+/************************************************************************
+ *
+ * Copyright 2024 Adobe
+ * All Rights Reserved.
+ *
+ * NOTICE: All information contained herein is, and remains
+ * the property of Adobe and its suppliers, if any. The intellectual
+ * and technical concepts contained herein are proprietary to Adobe
+ * and its suppliers and are protected by all applicable intellectual
+ * property laws, including trade secret and copyright laws.
+ * Dissemination of this information or reproduction of this material
+ * is strictly forbidden unless prior written permission is obtained
+ * from Adobe.
+ * **********************************************************************
+ */
+declare(strict_types = 1);
+
+namespace Magento2\Sniffs\Phtml;
+
+use PHP_CodeSniffer\Files\File;
+use PHP_CodeSniffer\Sniffs\Sniff;
+
+class PhtmlTemplateObjectManagerSniff implements Sniff
+{
+    private const WARNING_CODE_OBJECT_MANAGER_USAGE = 'ObjectManagerUsageFound';
+
+    /**
+     * @inheritdoc
+     */
+    public function register()
+    {
+        return [T_DOUBLE_COLON];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function process(File $phpcsFile, $stackPtr)
+    {
+        $tokens = $phpcsFile->getTokens();
+
+        if ($tokens[$stackPtr - 1]['content'] !== 'ObjectManager'
+            && $tokens[$stackPtr + 1]['content'] !== 'getInstance'
+        ) {
+            return;
+        }
+
+        $phpcsFile->addWarning(
+            'ObjectManager should not be used in .phtml template ' .
+            'as it’s not a template’s responsibility to create objects.',
+            $stackPtr,
+            self::WARNING_CODE_OBJECT_MANAGER_USAGE
+        );
+    }
+}

Magento2/Tests/Phtml/PhtmlTemplateObjectManager.1.phtml.inc

@@ -0,0 +1,25 @@
+<?php
+/************************************************************************
+ *
+ * Copyright 2024 Adobe
+ * All Rights Reserved.
+ *
+ * NOTICE: All information contained herein is, and remains
+ * the property of Adobe and its suppliers, if any. The intellectual
+ * and technical concepts contained herein are proprietary to Adobe
+ * and its suppliers and are protected by all applicable intellectual
+ * property laws, including trade secret and copyright laws.
+ * Dissemination of this information or reproduction of this material
+ * is strictly forbidden unless prior written permission is obtained
+ * from Adobe.
+ * **********************************************************************
+ */
+
+    $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
+?>
+
+<div class="block test">
+</div>
+<script type="jquery/ui">
+</script>
+

Magento2/Tests/Phtml/PhtmlTemplateObjectManagerUnitTest.php

@@ -0,0 +1,45 @@
+<?php
+/************************************************************************
+ *
+ * Copyright 2024 Adobe
+ * All Rights Reserved.
+ *
+ * NOTICE: All information contained herein is, and remains
+ * the property of Adobe and its suppliers, if any. The intellectual
+ * and technical concepts contained herein are proprietary to Adobe
+ * and its suppliers and are protected by all applicable intellectual
+ * property laws, including trade secret and copyright laws.
+ * Dissemination of this information or reproduction of this material
+ * is strictly forbidden unless prior written permission is obtained
+ * from Adobe.
+ * **********************************************************************
+ */
+declare(strict_types = 1);
+
+namespace Magento2\Tests\Phtml;
+
+use PHP_CodeSniffer\Tests\Standards\AbstractSniffUnitTest;
+
+class PhtmlTemplateObjectManagerUnitTest extends AbstractSniffUnitTest
+{
+    /**
+     * @inheritdoc
+     */
+    public function getWarningList($filename = '')
+    {
+        if ($filename === 'PhtmlTemplateObjectManager.1.phtml.inc') {
+            return [
+                7 => 1
+            ];
+        }
+        return [];
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getErrorList($filename = '')
+    {
+        return [];
+    }
+}

Magento2/ruleset.xml

@@ -350,6 +350,11 @@
         <severity>8</severity>
         <type>warning</type>
     </rule>
+    <rule ref="Magento2.Phtml.PhtmlTemplateObjectManager">
+        <include-pattern>*\.phtml$</include-pattern>
+        <severity>8</severity>
+        <type>warning</type>
+    </rule>
     <rule ref="Magento2.Legacy.ObsoleteConnection">
         <severity>8</severity>
         <type>warning</type>