database/tests/TransactionTest.php

<?php
use PHPUnit\Framework\TestCase;
use Database\Implement\Transaction;

class TransactionTest extends TestCase
{
    public function testTransaction()
    {
        $connection = $this->createMock(Database\Define\Database\Connection::class);
        $transaction = new Transaction($connection);
        $transaction->begin();
        $this->assertTrue(true);
        $transaction->commit();
        $this->assertTrue(true);
        $transaction->begin();
        $transaction->rollback();
        $this->assertTrue(true);
    }
}