8000 [Messenger] ensure exception on rollback does not hide previous exception by nikophil · Pull Request #59103 · symfony/symfony · GitHub
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[Messenger] ensure exception on rollback does not hide previous exception #59103

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Merged
merged 1 commit into from
Dec 18, 2024
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[Messenger] ensure exception on rollback does not hide previous exception #59103

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[Messenger] ensure exception on rollback does not hide previous excep… 
…tion
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@nikophil
nikophil committed Dec 18, 2024
commit f38d4b07fafcf9b198597ef07ec971512dcf7eaa
12 changes: 10 additions & 2 deletions src/Symfony/Bridge/Doctrine/Messenger/DoctrineTransactionMiddleware.php
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Original file line number Diff line number Diff line change
Expand Up @@ -27,22 +27,30 @@ class DoctrineTransactionMiddleware extends AbstractDoctrineMiddleware
protected function handleForManager(EntityManagerInterface $entityManager, Envelope $envelope, StackInterface $stack): Envelope
{
$entityManager->getConnection()->beginTransaction();

$success = false;
try {
$envelope = $stack->next()->handle($envelope, $stack);
$entityManager->flush();
$entityManager->getConnection()->commit();

$success = true;

return $envelope;
} catch (\Throwable $exception) {
$entityManager->getConnection()->rollBack();

if ($exception instanceof HandlerFailedException) {
// Remove all HandledStamp from the envelope so the retry will execute all handlers again.
// When a handler fails, the queries of allegedly successful previous handlers just got rolled back.
throw new HandlerFailedException($exception->getEnvelope()->withoutAll(HandledStamp::class), $exception->getWrappedExceptions());
}

throw $exception;
} finally {
$connection = $entityManager->getConnection();

if (!$success && $connection->isTransactionActive()) {
$connection->rollBack();
}
}
}
}
30 changes: 24 additions & 6 deletions src/Symfony/Bridge/Doctrine/Tests/Messenger/DoctrineTransactionMiddlewareTest.php
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Expand Up @@ -56,19 +56,37 @@ public function testMiddlewareWrapsInTransactionAndFlushes()

public function testTransactionIsRolledBackOnException()
{
$this->connection->expects($this->once())
->method('beginTransaction')
;
$this->connection->expects($this->once())
->method('rollBack')
;
$this->connection->expects($this->once())->method('beginTransaction');
$this->connection->expects($this->once())->method('isTransactionActive')->willReturn(true);
$this->connection->expects($this->once())->method('rollBack');

$this->expectException(\RuntimeException::class);
$this->expectExceptionMessage('Thrown from next middleware.');

$this->middleware->handle(new Envelope(new \stdClass()), $this->getThrowingStackMock());
}

public function testExceptionInRollBackDoesNotHidePreviousException()
{
$this->connection->expects($this->once())->method('beginTransaction');
$this->connection->expects($this->once())->method('isTransactionActive')->willReturn(true);
$this->connection->expects($this->once())->method('rollBack')->willThrowException(new \RuntimeException('Thrown from rollBack.'));

try {
$this->middleware->handle(new Envelope(new \stdClass()), $this->getThrowingStackMock());
} catch (\Throwable $exception) {
}

self::assertNotNull($exception);
self::assertInstanceOf(\RuntimeException::class, $exception);
self::assertSame('Thrown from rollBack.', $exception->getMessage());

$previous = $exception->getPrevious();
self::assertNotNull($previous);
self::assertInstanceOf(\RuntimeException::class, $previous);
self::assertSame('Thrown from next middleware.', $previous->getMessage());
}

public function testInvalidEntityManagerThrowsException()
{
$managerRegistry = $this->createMock(ManagerRegistry::class);
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