ConnectionMigratorTest.php

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<?php
declare(strict_types = 1);
 
namespace ‪TYPO3\CMS\Core\Tests\Unit\Database\Schema;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
use Doctrine\DBAL\Platforms\MySqlPlatform;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\SchemaDiff;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Schema\TableDiff;
use Doctrine\DBAL\Types\Type;
use Prophecy\Argument;
use ‪TYPO3\CMS\Core\Database\Connection;
use ‪TYPO3\CMS\Core\Database\Platform\PlatformInformation;
use ‪TYPO3\CMS\Core\Database\Schema\ConnectionMigrator;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
 
class ‪ConnectionMigratorTest extends UnitTestCase
{
    protected ‪$platform;
 
    protected ‪$subject;
 
    protected ‪$maxIdentifierLength = -1;
 
    protected function ‪setUp()
    {
        parent::setUp();
 
        $platformMock = $this->prophesize(MySqlPlatform::class);
        $platformMock->quoteIdentifier(Argument::any())->willReturnArgument(0);
        $this->platform = $platformMock->reveal();
 
        $connectionMock = $this->prophesize(Connection::class);
        $connectionMock->getDatabasePlatform()->willReturn($this->platform);
        $connectionMock->quoteIdentifier(Argument::any())->willReturnArgument(0);
 
        $this->maxIdentifierLength = ‪PlatformInformation::getMaxIdentifierLength($this->platform);
 
        $this->subject = $this->getAccessibleMock(ConnectionMigrator::class, null, [], '', false);
        $this->subject->_set('connection', $connectionMock->reveal());
    }
 
    public function ‪tableNamesStickToTheMaximumCharactersWhenPrefixedForRemoval()
    {
        $originalSchemaDiff = GeneralUtility::makeInstance(SchemaDiff::class, null, null, [$this->‪getTable()]);
        $renamedSchemaDiff = $this->subject->_call('migrateUnprefixedRemovedTablesToRenames', $originalSchemaDiff);
 
        $this->assertStringStartsWith('zzz_deleted_', $renamedSchemaDiff->changedTables[0]->newName);
        $this->assertEquals(
            $this->maxIdentifierLength,
            strlen($renamedSchemaDiff->changedTables[0]->newName)
        );
    }
 
    public function ‪columnNamesStickToTheMaximumCharactersWhenPrefixedForRemoval()
    {
        $table = $this->‪getTable();
        $tableDiff = new TableDiff($table->getName());
        $originalSchemaDiff = new SchemaDiff(null, [$tableDiff]);
        $originalSchemaDiff->changedTables[0]->removedColumns[] = $this->‪getColumn();
        $renamedSchemaDiff = $this->subject->_call('migrateUnprefixedRemovedFieldsToRenames', $originalSchemaDiff);
 
        $this->assertStringStartsWith(
            'zzz_deleted_',
            $renamedSchemaDiff->changedTables[0]->changedColumns[0]->column->getName()
        );
        $this->assertEquals(
            $this->maxIdentifierLength,
            strlen($renamedSchemaDiff->changedTables[0]->changedColumns[0]->column->getName())
        );
    }
 
    protected function ‪getTable(): Table
    {
        $tableName = 'table_name_that_is_ridiculously_long_' . bin2hex(random_bytes(100));
        $table = GeneralUtility::makeInstance(
            Table::class,
            $tableName
        );
 
        return $table;
    }
 
    protected function ‪getColumn(): Column
    {
        $columnName = 'column_name_that_is_ridiculously_long_' . bin2hex(random_bytes(100));
        $column = GeneralUtility::makeInstance(
            Column::class,
            $columnName,
            Type::getType('string')
        );
 
        return $column;
    }
}