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

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<?php
2016-10-14 03:30:05 +02:00
namespace SilverStripe\ORM\Tests;
use SilverStripe\ORM\DB;
use SilverStripe\ORM\DataObject;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Dev\Deprecation;
use SilverStripe\ORM\Tests\TransactionTest\TestObject;
class TransactionTest extends SapphireTest
{
protected $usesDatabase = true;
protected $usesTransactions = false;
protected static $extra_dataobjects = [
TransactionTest\TestObject::class,
];
private static $originalVersionInfo;
protected function setUp()
{
parent::setUp();
self::$originalVersionInfo = Deprecation::dump_settings();
}
protected function tearDown()
{
Deprecation::restore_settings(self::$originalVersionInfo);
parent::tearDown();
}
public static function setUpBeforeClass()
{
parent::setUpBeforeClass();
if (!DB::get_conn()->supportsTransactions()) {
static::markTestSkipped('Current database does not support transactions');
}
}
public function testTransactions()
{
$conn = DB::get_conn();
if (!$conn->supportsTransactions()) {
$this->markTestSkipped("DB Doesn't support transactions");
return;
}
// Test that successful transactions are comitted
$obj = new TestObject();
$failed = false;
$conn->withTransaction(
function () use (&$obj) {
$obj->Title = 'Save 1';
$obj->write();
},
function () use (&$failed) {
$failed = true;
}
);
$this->assertEquals('Save 1', TestObject::get()->first()->Title);
$this->assertFalse($failed);
// Test failed transactions are rolled back
$ex = null;
$failed = false;
try {
$conn->withTransaction(
function () use (&$obj) {
$obj->Title = 'Save 2';
$obj->write();
throw new \Exception("error");
},
function () use (&$failed) {
$failed = true;
}
);
} catch (\Exception $ex) {
}
$this->assertTrue($failed);
$this->assertEquals('Save 1', TestObject::get()->first()->Title);
$this->assertInstanceOf('Exception', $ex);
$this->assertEquals('error', $ex->getMessage());
}
public function testNestedTransaction()
{
if (!DB::get_conn()->supportsSavepoints()) {
static::markTestSkipped('Current database does not support savepoints');
}
$this->assertCount(0, TestObject::get());
try {
DB::get_conn()->withTransaction(function () {
$obj = TransactionTest\TestObject::create();
$obj->Title = 'Test';
$obj->write();
$this->assertCount(1, TestObject::get());
DB::get_conn()->withTransaction(function () {
$obj = TransactionTest\TestObject::create();
$obj->Title = 'Test2';
$obj->write();
$this->assertCount(2, TestObject::get());
});
throw new \Exception('roll back transaction');
});
} catch (\Exception $e) {
$this->assertEquals('roll back transaction', $e->getMessage());
}
$this->assertCount(0, TestObject::get());
}
public function testCreateWithTransaction()
{
// First/Second in a successful transaction
DB::get_conn()->transactionStart();
$obj = new TransactionTest\TestObject();
$obj->Title = 'First page';
$obj->write();
$obj = new TransactionTest\TestObject();
$obj->Title = 'Second page';
$obj->write();
DB::get_conn()->transactionEnd();
// Third/Fourth in a rolled back transaction
DB::get_conn()->transactionStart();
$obj = new TransactionTest\TestObject();
$obj->Title = 'Third page';
$obj->write();
$obj = new TransactionTest\TestObject();
$obj->Title = 'Fourth page';
$obj->write();
DB::get_conn()->transactionRollback();
$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 rolled back
$this->assertFalse(is_object($third) && $third->exists());
$this->assertFalse(is_object($fourth) && $fourth->exists());
}
public function testReadOnlyTransaction()
{
if (!DB::get_conn()->supportsTransactions()) {
$this->markTestSkipped('Current database is doesn\'t support transactions');
return;
}
// This feature is deprecated in 4.4, but we're still testing it.
Deprecation::notification_version('4.3.0');
$page = new TestObject();
$page->Title = 'Read only success';
$page->write();
DB::get_conn()->transactionStart('READ ONLY');
try {
$page = new TestObject();
$page->Title = 'Read only page failed';
$page->write();
DB::get_conn()->transactionEnd();
} catch (\Exception $e) {
//could not write this record
//We need to do a rollback or a commit otherwise we'll get error messages
DB::get_conn()->transactionRollback();
}
DataObject::flush_and_destroy_cache();
$success = DataObject::get_one(TestObject::class, "\"Title\"='Read only success'");
$fail = DataObject::get_one(TestObject::class, "\"Title\"='Read only page failed'");
//This page should be in the system
$this->assertInternalType('object', $success);
$this->assertTrue($success->exists());
//This page should NOT exist, we had 'read only' permissions
$this->assertNull($fail);
}
}