silverstripe-framework/tests/php/ORM/TransactionTest.php

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<?php
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namespace SilverStripe\ORM\Tests;
use SilverStripe\ORM\DB;
use SilverStripe\ORM\DataObject;
use SilverStripe\Dev\SapphireTest;
class TransactionTest extends SapphireTest {
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protected $extraDataObjects = array(
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TransactionTest\TestObject::class
);
public function testCreateWithTransaction() {
if(DB::get_conn()->supportsTransactions()==true){
DB::get_conn()->transactionStart();
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$obj=new TransactionTest\TestObject();
$obj->Title='First page';
$obj->write();
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$obj=new TransactionTest\TestObject();
$obj->Title='Second page';
$obj->write();
//Create a savepoint here:
DB::get_conn()->transactionSavepoint('rollback');
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$obj=new TransactionTest\TestObject();
$obj->Title='Third page';
$obj->write();
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$obj=new TransactionTest\TestObject();
$obj->Title='Fourth page';
$obj->write();
//Revert to a savepoint:
DB::get_conn()->transactionRollback('rollback');
DB::get_conn()->transactionEnd();
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$first=DataObject::get(TransactionTest\TestObject::class, "\"Title\"='First page'");
$second=DataObject::get(TransactionTest\TestObject::class, "\"Title\"='Second page'");
$third=DataObject::get(TransactionTest\TestObject::class, "\"Title\"='Third page'");
$fourth=DataObject::get(TransactionTest\TestObject::class, "\"Title\"='Fourth page'");
//These pages should be in the system
$this->assertTrue(is_object($first) && $first->exists());
$this->assertTrue(is_object($second) && $second->exists());
//These pages should NOT exist, we reverted to a savepoint:
$this->assertFalse(is_object($third) && $third->exists());
$this->assertFalse(is_object($fourth) && $fourth->exists());
} else {
$this->markTestSkipped('Current database does not support transactions');
}
}
}