Add unit test Table\IndexRenameController class

Adds unit test for preview SQL button when renaming an index and using
an old MySQL server.

Signed-off-by: Maurício Meneghini Fauth <mauricio@fauth.dev>

test/classes/AbstractTestCase.php

@@ -86,6 +86,13 @@ protected function setUp(): void
         $_COOKIE = [];
         $_FILES = [];
         $_REQUEST = [];
+
+        $GLOBALS['server'] = 1;
+        $GLOBALS['text_dir'] = 'ltr';
+        $GLOBALS['db'] = '';
+        $GLOBALS['table'] = '';
+        $GLOBALS['PMA_PHP_SELF'] = '';
+
         // Config before DBI
         $this->setGlobalConfig();
         $this->loadContainerBuilder();

test/classes/Controllers/Table/IndexRenameControllerTest.php

@@ -0,0 +1,82 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpMyAdmin\Tests\Controllers\Table;
+
+use PhpMyAdmin\Controllers\Table\IndexRenameController;
+use PhpMyAdmin\DatabaseInterface;
+use PhpMyAdmin\Index;
+use PhpMyAdmin\Table\Indexes;
+use PhpMyAdmin\Template;
+use PhpMyAdmin\Tests\AbstractTestCase;
+use PhpMyAdmin\Tests\Stubs\DbiDummy;
+use PhpMyAdmin\Tests\Stubs\ResponseRenderer;
+use ReflectionProperty;
+
+/** @covers \PhpMyAdmin\Controllers\Table\IndexRenameController */
+final class IndexRenameControllerTest extends AbstractTestCase
+{
+    public function testPreviewSqlWithOldStatement(): void
+    {
+        $indexRegistry = new ReflectionProperty(Index::class, 'registry');
+        $indexRegistry->setAccessible(true);
+        $indexRegistry->setValue(null, []);
+
+        $GLOBALS['cfg']['Server'] = $GLOBALS['cfg']['Servers'][1];
+        $GLOBALS['cfg']['Server']['DisableIS'] = true;
+
+        $GLOBALS['db'] = 'test_db';
+        $GLOBALS['table'] = 'test_table';
+        $_POST['db'] = 'test_db';
+        $_POST['table'] = 'test_table';
+        $_POST['old_index'] = 'old_name';
+        $_POST['index'] = ['Key_name' => 'new_name'];
+        $_POST['do_save_data'] = '1';
+        $_POST['preview_sql'] = '1';
+
+        $dbiDummy = new DbiDummy();
+        $dbiDummy->addSelectDb('test_db');
+        $dbiDummy->addResult('SHOW TABLES LIKE \'test_table\';', [['test_table']]);
+        $dbiDummy->addResult(
+            'SHOW INDEXES FROM `test_db`.`test_table`',
+            [
+                ['test_table', '0', 'PRIMARY', 'id', 'BTREE'],
+                ['test_table', '1', 'old_name', 'name', 'BTREE'],
+            ],
+            ['Table', 'Non_unique', 'Key_name', 'Column_name', 'Index_type']
+        );
+
+        $dbi = DatabaseInterface::load($dbiDummy);
+        $dbi->setVersion(['@@version' => '5.5.0']);
+        $GLOBALS['dbi'] = $dbi;
+
+        $expected = <<<'HTML'
+<div class="preview_sql">
+            <code class="sql" dir="ltr"><pre>
+ALTER TABLE `test_db`.`test_table` DROP INDEX `old_name`, ADD INDEX `new_name` (`name`) USING BTREE;
+</pre></code>
+    </div>
+
+HTML;
+
+        $responseRenderer = new ResponseRenderer();
+        $template = new Template();
+        $controller = new IndexRenameController(
+            $responseRenderer,
+            $template,
+            'test_db',
+            'test_table',
+            $dbi,
+            new Indexes($responseRenderer, $template, $dbi)
+        );
+        $controller();
+
+        self::assertSame(['sql_data' => $expected], $responseRenderer->getJSONResult());
+
+        $this->assertAllSelectsConsumed();
+        $this->assertAllQueriesConsumed();
+
+        $indexRegistry->setValue(null, []);
+    }
+}