nextcloud/tests/lib/DB/SchemaDiffTest.php

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<?php
/**
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2016, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace Test\DB;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Schema\SchemaDiff;
use OC\DB\MDB2SchemaManager;
use OC\DB\MDB2SchemaReader;
use OCP\IConfig;
use Test\TestCase;
/**
* Class MigratorTest
*
* @group DB
*
* @package Test\DB
*/
class SchemaDiffTest extends TestCase {
/** @var \Doctrine\DBAL\Connection $connection */
private $connection;
/** @var MDB2SchemaManager */
private $manager;
/** @var IConfig */
private $config;
/** @var string */
private $testPrefix;
private $schemaFile;
protected function setUp(): void {
parent::setUp();
$this->schemaFile = \OC::$server->getTempManager()->getTemporaryFile();
$this->config = \OC::$server->getConfig();
$this->connection = \OC::$server->getDatabaseConnection();
$this->manager = new MDB2SchemaManager($this->connection);
$this->testPrefix = strtolower($this->getUniqueID($this->config->getSystemValue('dbtableprefix', 'oc_'), 3));
}
protected function tearDown(): void {
$this->manager->removeDBStructure($this->schemaFile);
parent::tearDown();
}
/**
* @dataProvider providesSchemaFiles
* @param string $xml
*/
public function testZeroChangeOnSchemaMigrations($xml) {
$xml = str_replace('*dbprefix*', $this->testPrefix, $xml);
$schemaFile = $this->schemaFile;
file_put_contents($schemaFile, $xml);
// apply schema
$this->manager->createDbFromStructure($schemaFile);
$schemaReader = new MDB2SchemaReader($this->config, $this->connection->getDatabasePlatform());
$toSchema = new Schema([], [], $this->connection->getSchemaManager()->createSchemaConfig());
$endSchema = $schemaReader->loadSchemaFromFile($schemaFile, $toSchema);
// get the diff
/** @var SchemaDiff $diff */
$migrator = $this->manager->getMigrator();
$diff = $this->invokePrivate($migrator, 'getDiff', [$endSchema, $this->connection]);
// no sql statement is expected
$sqls = $diff->toSql($this->connection->getDatabasePlatform());
$this->assertEquals([], $sqls);
}
public function providesSchemaFiles() {
return [
'explicit test on autoincrement' => [file_get_contents(__DIR__ . '/schemDiffData/autoincrement.xml')],
'explicit test on clob' => [file_get_contents(__DIR__ . '/schemDiffData/clob.xml')],
'explicit test on unsigned' => [file_get_contents(__DIR__ . '/schemDiffData/unsigned.xml')],
'explicit test on default -1' => [file_get_contents(__DIR__ . '/schemDiffData/default-1.xml')],
'testing core schema' => [file_get_contents(__DIR__ . '/schemDiffData/core.xml')],
];
}
}