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[Mailer][Transport] Allow exception logging for RoundRobinTransport mailer #60110

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[Mailer][Transport] Allow exception logging for RoundRobinTransport mailer #60110

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7f11205
Add logger that logs exceptions to RoundRobinTransport
jnoordsij Apr 1, 2025
e93ae4f
Add tests for logger property on RoundRobinTransport
jnoordsij Apr 1, 2025
4de5ed8
Add changelog entry
jnoordsij Apr 1, 2025
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Add tests for logger property on RoundRobinTransport
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@jnoordsij
jnoordsij committed Apr 1, 2025
commit e93ae4fa8f34b73fc070ae0f10a280f218edde90
31 changes: 29 additions & 2 deletions src/Symfony/Component/Mailer/Tests/Transport/RoundRobinTransportTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@
namespace Symfony\Component\Mailer\Tests\Transport;

use PHPUnit\Framework\TestCase;
use Psr\Log\LoggerInterface;
use Symfony\Component\Mailer\Exception\TransportException;
use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
use Symfony\Component\Mailer\Transport\RoundRobinTransport;
Expand Down Expand Up @@ -144,19 +145,45 @@ public function testSendOneDeadAndRecoveryWithinRetryPeriod()
$this->assertTransports($t, 1, []);
}

public function testLoggerReceivesExceptions()
{
$t1 = $this->createMock(TransportInterface::class);
$t1->expects($this->exactly(2))->method('send');

$ex = new TransportException();
$t2 = $this->createMock(TransportInterface::class);
$t2->expects($this->exactly(1))
->method('send')
->willReturnCallback(fn () => throw $ex);
$t2->expects($this->atLeast(1))->method('__toString')->willReturn('t2');

$log = $this->createMock(LoggerInterface::class);
$log->expects($this->exactly(1))
->method('error')
->with('Transport "t2" failed.', ['exception' => $ex]);

$t = new RoundRobinTransport([$t1, $t2], logger: $log);
$p = new \ReflectionProperty($t, 'cursor');
$p->setValue($t, 0);
$t->send(new RawMessage(''));
$this->assertTransports($t, 1, []);
$t->send(new RawMessage(''));
$this->assertTransports($t, 1, [$t2]);
}

public function testFailureDebugInformation()
{
$t1 = $this->createMock(TransportInterface::class);
$e1 = new TransportException();
$e1->appendDebug('Debug message 1');
$t1->expects($this->once())->method('send')->willThrowException($e1);
$t1->expects($this->once())->method('__toString')->willReturn('t1');
$t1->expects($this->atLeast(1))->method('__toString')->willReturn('t1');

$t2 = $this->createMock(TransportInterface::class);
$e2 = new TransportException();
$e2->appendDebug('Debug message 2');
$t2->expects($this->once())->method('send')->willThrowException($e2);
$t2->expects($this->once())->method('__toString')->willReturn('t2');
$t2->expects($this->atLeast(1))->method('__toString')->willReturn('t2');

$t = new RoundRobinTransport([$t1, $t2]);

Expand Down