MAGETWO-56586: Implement Data and Schema Upgrade Test

Author: andimov

dev/tests/static/testsuite/Magento/Test/Legacy/ModuleDBChangeTest.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ *
+ * Scan source code for DB schema or data updates for patch releases in non-actual branches
+ * Backwards compatibility test
+ *
+ * Copyright © 2016 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Test\Legacy;
+
+
+class ModuleDBChangeTest extends \PHPUnit_Framework_TestCase
+{
+
+    /**
+     * @var string
+     */
+    protected static $changedFilesPattern = __DIR__ . '/../_files/changed_files*';
+
+    /**
+     * @var string
+     */
+    protected static $changedFileList = '';
+
+    /**
+     *  Set changed files paths and list for all projects
+     */
+    public static function setUpBeforeClass()
+    {
+        foreach (glob(self::$changedFilesPattern) as $changedFile) {
+            self::$changedFileList .= file_get_contents($changedFile) . PHP_EOL;
+        }
+    }
+
+    /**
+     * Test changes for module.xml files
+     */
+    public function testModuleXmlFiles()
+    {
+        preg_match_all('|etc/module\.xml$|mi', self::$changedFileList, $matches);
+        $this->assertEmpty(
+            reset($matches),
+            'module.xml changes for patch releases in non-actual branches are not allowed:' . PHP_EOL .
+            implode(PHP_EOL, array_values(reset($matches)))
+        );
+    }
+
+    /**
+     * Test changes for files in Module Setup dir
+     */
+    public function testModuleSetupFiles()
+    {
+        preg_match_all('|app/code/Magento/[^/]+/Setup/[^/]+$|mi', self::$changedFileList, $matches);
+        $this->assertEmpty(
+            reset($matches),
+            'Code with changes for DB schema or data in non-actual branches are not allowed:' . PHP_EOL .
+            implode(PHP_EOL, array_values(reset($matches)))
+        );
+    }
+}