diff --git a/module/Core/test/EventDispatcher/NotifyVisitToMercureTest.php b/module/Core/test/EventDispatcher/NotifyVisitToMercureTest.php
new file mode 100644
index 00000000..ff5fb7c3
--- /dev/null
+++ b/module/Core/test/EventDispatcher/NotifyVisitToMercureTest.php
@@ -0,0 +1,115 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkioApiTest\Shlink\Core\EventDispatcher;
+
+use Doctrine\ORM\EntityManagerInterface;
+use PHPUnit\Framework\TestCase;
+use Prophecy\Argument;
+use Prophecy\Prophecy\ObjectProphecy;
+use Psr\Log\LoggerInterface;
+use RuntimeException;
+use Shlinkio\Shlink\Core\Entity\ShortUrl;
+use Shlinkio\Shlink\Core\Entity\Visit;
+use Shlinkio\Shlink\Core\EventDispatcher\NotifyVisitToMercure;
+use Shlinkio\Shlink\Core\EventDispatcher\VisitLocated;
+use Shlinkio\Shlink\Core\Mercure\MercureUpdatesGeneratorInterface;
+use Shlinkio\Shlink\Core\Model\Visitor;
+use Symfony\Component\Mercure\PublisherInterface;
+use Symfony\Component\Mercure\Update;
+
+class NotifyVisitToMercureTest extends TestCase
+{
+    private NotifyVisitToMercure $listener;
+    private ObjectProphecy $publisher;
+    private ObjectProphecy $updatesGenerator;
+    private ObjectProphecy $em;
+    private ObjectProphecy $logger;
+
+    public function setUp(): void
+    {
+        $this->publisher = $this->prophesize(PublisherInterface::class);
+        $this->updatesGenerator = $this->prophesize(MercureUpdatesGeneratorInterface::class);
+        $this->em = $this->prophesize(EntityManagerInterface::class);
+        $this->logger = $this->prophesize(LoggerInterface::class);
+
+        $this->listener = new NotifyVisitToMercure(
+            $this->publisher->reveal(),
+            $this->updatesGenerator->reveal(),
+            $this->em->reveal(),
+            $this->logger->reveal(),
+        );
+    }
+
+    /** @test */
+    public function notificationIsNotSentWhenVisitCannotBeFound(): void
+    {
+        $visitId = '123';
+        $findVisit = $this->em->find(Visit::class, $visitId)->willReturn(null);
+        $logWarning = $this->logger->warning(
+            'Tried to notify mercure for visit with id "{visitId}", but it does not exist.',
+            ['visitId' => $visitId],
+        );
+        $logDebug = $this->logger->debug(Argument::cetera());
+        $buildNewVisitUpdate = $this->updatesGenerator->newVisitUpdate(Argument::type(Visit::class))->willReturn(
+            new Update('', ''),
+        );
+        $publish = $this->publisher->__invoke(Argument::type(Update::class));
+
+        ($this->listener)(new VisitLocated($visitId));
+
+        $findVisit->shouldHaveBeenCalledOnce();
+        $logWarning->shouldHaveBeenCalledOnce();
+        $logDebug->shouldNotHaveBeenCalled();
+        $buildNewVisitUpdate->shouldNotHaveBeenCalled();
+        $publish->shouldNotHaveBeenCalled();
+    }
+
+    /** @test */
+    public function notificationIsSentWhenVisitIsFound(): void
+    {
+        $visitId = '123';
+        $visit = new Visit(new ShortUrl(''), Visitor::emptyInstance());
+        $update = new Update('', '');
+
+        $findVisit = $this->em->find(Visit::class, $visitId)->willReturn($visit);
+        $logWarning = $this->logger->warning(Argument::cetera());
+        $logDebug = $this->logger->debug(Argument::cetera());
+        $buildNewVisitUpdate = $this->updatesGenerator->newVisitUpdate($visit)->willReturn($update);
+        $publish = $this->publisher->__invoke($update);
+
+        ($this->listener)(new VisitLocated($visitId));
+
+        $findVisit->shouldHaveBeenCalledOnce();
+        $logWarning->shouldNotHaveBeenCalled();
+        $logDebug->shouldNotHaveBeenCalled();
+        $buildNewVisitUpdate->shouldHaveBeenCalledOnce();
+        $publish->shouldHaveBeenCalledOnce();
+    }
+
+    /** @test */
+    public function debugIsLoggedWhenExceptionIsThrown(): void
+    {
+        $visitId = '123';
+        $visit = new Visit(new ShortUrl(''), Visitor::emptyInstance());
+        $update = new Update('', '');
+        $e = new RuntimeException('Error');
+
+        $findVisit = $this->em->find(Visit::class, $visitId)->willReturn($visit);
+        $logWarning = $this->logger->warning(Argument::cetera());
+        $logDebug = $this->logger->debug('Error while trying to notify mercure hub with new visit. {e}', [
+            'e' => $e,
+        ]);
+        $buildNewVisitUpdate = $this->updatesGenerator->newVisitUpdate($visit)->willReturn($update);
+        $publish = $this->publisher->__invoke($update)->willThrow($e);
+
+        ($this->listener)(new VisitLocated($visitId));
+
+        $findVisit->shouldHaveBeenCalledOnce();
+        $logWarning->shouldNotHaveBeenCalled();
+        $logDebug->shouldHaveBeenCalledOnce();
+        $buildNewVisitUpdate->shouldHaveBeenCalledOnce();
+        $publish->shouldHaveBeenCalledOnce();
+    }
+}
diff --git a/module/Rest/test/Action/MercureInfoActionTest.php b/module/Rest/test/Action/MercureInfoActionTest.php
index 5cb5e41b..5300fbaa 100644
--- a/module/Rest/test/Action/MercureInfoActionTest.php
+++ b/module/Rest/test/Action/MercureInfoActionTest.php
@@ -9,7 +9,6 @@ use Laminas\Diactoros\Response\JsonResponse;
 use Laminas\Diactoros\ServerRequestFactory;
 use PHPUnit\Framework\TestCase;
 use Prophecy\Argument;
-use Prophecy\Argument\ArgumentsWildcard;
 use Prophecy\Prophecy\ObjectProphecy;
 use RuntimeException;
 use Shlinkio\Shlink\Common\Mercure\JwtProviderInterface;