TransactionInterfaceTest.php

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<?php
namespace Magento\Test\Db\Adapter;

class TransactionInterfaceTest extends \PHPUnit\Framework\TestCase
{
    public function testBeginTransparentTransaction($class)
    {
        $connectionMock = $this->_getConnectionMock($class);
        $uniqid = uniqid();
        $connectionMock->expects($this->once())->method('beginTransaction')->will($this->returnValue($uniqid));
        $this->assertSame(0, $connectionMock->getTransactionLevel());
        $this->assertEquals($uniqid, $connectionMock->beginTransparentTransaction());
        $this->assertSame(0, $connectionMock->getTransactionLevel());
    }

    public function testRollbackTransparentTransaction($class)
    {
        $connectionMock = $this->_getConnectionMock($class);
        $uniqid = uniqid();
        $connectionMock->expects($this->once())->method('rollback')->will($this->returnValue($uniqid));
        $connectionMock->beginTransparentTransaction();
        $this->assertEquals($uniqid, $connectionMock->rollbackTransparentTransaction());
        $this->assertSame(0, $connectionMock->getTransactionLevel());
    }

    public function testCommitTransparentTransaction($class)
    {
        $connectionMock = $this->_getConnectionMock($class);
        $uniqid = uniqid();
        $connectionMock->expects($this->once())->method('commit')->will($this->returnValue($uniqid));
        $connectionMock->beginTransparentTransaction();
        $this->assertEquals($uniqid, $connectionMock->commitTransparentTransaction());
        $this->assertSame(0, $connectionMock->getTransactionLevel());
    }

    public function transparentTransactionDataProvider()
    {
        $result = [];
        $path = '/../../../../../../../Magento/TestFramework/Db/Adapter';
        foreach (glob(realpath(__DIR__ . $path) . '/*.php') as $file) {
            $suffix = basename($file, '.php');
            if (false === strpos($suffix, 'Interface')) {
                $result[] = ["Magento\\TestFramework\\Db\\Adapter\\{$suffix}"];
            }
        }
        return $result;
    }

    protected function _getConnectionMock($class)
    {
        $connection = $this->createPartialMock($class, ['beginTransaction', 'rollback', 'commit']);
        $this->assertInstanceOf(\Magento\TestFramework\Db\Adapter\TransactionInterface::class, $connection);
        return $connection;
    }
}