[TASK] Use DataHandler testing framework for simple import test

Adapt the impexp simple import test to the testing framework
available with #54855.

Resolves: #55664
Related: #54855
Releases: 6.2
Change-Id: I6f1e9eb6ef3bda5b984ac67af3964fed90ba41f2
Reviewed-on: https://review.typo3.org/27325
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Marc Bastian Heinrichs
Tested-by: Marc Bastian Heinrichs

typo3/sysext/impexp/Tests/Functional/ImportExport/ImportSimpleTest.php → typo3/sysext/impexp/Tests/Functional/Import/AbstractImportTestCase.php

 <?php
-namespace TYPO3\CMS\Impexp\Tests\Functional\ImportExport;
+namespace TYPO3\CMS\Impexp\Tests\Functional\Import;
 
 /***************************************************************
  * Copyright notice
@@ -24,49 +24,34 @@ namespace TYPO3\CMS\Impexp\Tests\Functional\ImportExport;
  * This copyright notice MUST APPEAR in all copies of the script!
  ***************************************************************/
 
+require_once __DIR__ . '/../../../../core/Tests/Functional/DataHandling/AbstractDataHandlerActionTestCase.php';
 
 /**
  * Functional test for the ImportExport
  */
-class ImportSimpleTest extends \TYPO3\CMS\Core\Tests\FunctionalTestCase {
+abstract class AbstractImportTestCase extends \TYPO3\CMS\Core\Tests\Functional\DataHandling\AbstractDataHandlerActionTestCase {
 
 	/**
 	 * @var array
 	 */
 	protected $coreExtensionsToLoad = array('impexp');
 
-	public function setUp() {
-		parent::setUp();
-		$this->setUpBackendUserFromFixture(1);
-		\TYPO3\CMS\Core\Core\Bootstrap::getInstance()->initializeLanguageObject();
-	}
-
 	/**
-	 * @test
+	 * @var \TYPO3\CMS\Impexp\ImportExport
 	 */
-	public function canImportSimplePagesAndRelatedTtContent() {
-		/** @var $import \TYPO3\CMS\Impexp\ImportExport */
-		$import = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Impexp\\ImportExport');
-		$import->init(0, 'import');
-		$import->loadFile(__DIR__ . '/../Fixtures/ImportExport/pages-and-ttcontent.xml', 1);
-		$import->importData(0);
-
-		$database = $this->getDatabase();
+	protected $import;
 
-		$row = $database->exec_SELECTgetSingleRow('*', 'pages', 'uid = 1');
-		$this->assertNotEmpty($row);
-		$this->assertEquals(0, $row['pid']);
-		$this->assertEquals('Root', $row['title']);
-
-		$row = $database->exec_SELECTgetSingleRow('*', 'pages', 'uid = 2');
-		$this->assertNotEmpty($row);
-		$this->assertEquals(1, $row['pid']);
-		$this->assertEquals('Dummy 1-2', $row['title']);
+	/**
+	 * Set up for set up the backend user, initialize the language object
+	 * and creating the ImportExport instance
+	 *
+	 * @return void
+	 */
+	public function setUp() {
+		parent::setUp();
 
-		$row = $database->exec_SELECTgetSingleRow('*', 'tt_content', 'uid = 1');
-		$this->assertNotEmpty($row);
-		$this->assertEquals(1, $row['pid']);
-		$this->assertEquals('Test content', $row['header']);
+		$this->import = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Impexp\\ImportExport');
+		$this->import->init(0, 'import');
 	}
 
 }
\ No newline at end of file

typo3/sysext/impexp/Tests/Functional/Import/PagesAndTtContent/DataSet/Assertion/importSimplePagesAndRelatedTtContent.csv

+"pages"
+,"uid","pid","sorting","deleted","title"
+,1,0,256,0,"Root"
+,2,1,256,0,"Dummy 1-2"
+"tt_content"
+,"uid","pid","sorting","deleted","header"
+,1,1,256,0,"Test content"
\ No newline at end of file

typo3/sysext/impexp/Tests/Functional/Import/PagesAndTtContent/ImportInEmptyDatabaseTest.php

+<?php
+namespace TYPO3\CMS\Impexp\Tests\Functional\Import\PagesAndTtContent;
+
+/***************************************************************
+ * Copyright notice
+ *
+ * (c) 2014 Marc Bastian Heinrichs <typo3@mbh-software.de>
+ * All rights reserved
+ *
+ * This script is part of the TYPO3 project. The TYPO3 project is
+ * free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * The GNU General Public License can be found at
+ * http://www.gnu.org/copyleft/gpl.html.
+ *
+ * This script is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * This copyright notice MUST APPEAR in all copies of the script!
+ ***************************************************************/
+
+require_once __DIR__ . '/../AbstractImportTestCase.php';
+
+/**
+ * Functional test for the ImportExport
+ */
+class ImportInEmptyDatabaseTest extends \TYPO3\CMS\Impexp\Tests\Functional\Import\AbstractImportTestCase {
+
+	protected $dataSetDirectory = 'typo3/sysext/impexp/Tests/Functional/Import/PagesAndTtContent/DataSet/';
+
+	/**
+	 * @test
+	 */
+	public function importSimplePagesAndRelatedTtContent() {
+
+		$this->import->loadFile(__DIR__ . '/../../Fixtures/ImportExport/pages-and-ttcontent.xml', 1);
+		$this->import->importData(0);
+
+		$this->assertAssertionDataSet('importSimplePagesAndRelatedTtContent');
+	}
+
+}
\ No newline at end of file