diff --git a/tests/MessageQueue/Handler/CreateDumpHandlerTest.php b/tests/MessageQueue/Handler/CreateDumpHandlerTest.php
new file mode 100644
index 0000000..45a296a
--- /dev/null
+++ b/tests/MessageQueue/Handler/CreateDumpHandlerTest.php
@@ -0,0 +1,46 @@
+<?php declare(strict_types=1);
+
+namespace AeonDumpManager\Tests\MessageQueue\Handler;
+
+use AeonDumpManager\MessageQueue\Handler\CreateDumpHandler;
+use AeonDumpManager\MessageQueue\Message\CreateDumpMessage;
+use AeonDumpManager\Service\DumpJobStatusService;
+use AeonDumpManager\Service\DumpService;
+use AeonDumpManager\Tests\Support\RecordingLogger;
+use PHPUnit\Framework\TestCase;
+
+class CreateDumpHandlerTest extends TestCase
+{
+    public function testLogsStartOnSuccess(): void
+    {
+        $status = $this->createMock(DumpJobStatusService::class);
+        $status->expects(self::once())->method('markRunning')->with('job-1');
+        $status->expects(self::never())->method('markFailed');
+        $logger = new RecordingLogger();
+
+        (new CreateDumpHandler($this->createMock(DumpService::class), $status, $logger))(new CreateDumpMessage('job-1'));
+
+        self::assertCount(1, $logger->records);
+        self::assertSame('info', $logger->records[0]['level']);
+        self::assertSame('Dump job started.', $logger->records[0]['message']);
+        self::assertSame(['jobId' => 'job-1'], $logger->records[0]['context']);
+    }
+
+    public function testLogsErrorAndMarksFailedWhenCreateThrows(): void
+    {
+        $exception = new \RuntimeException('boom');
+        $service = $this->createMock(DumpService::class);
+        $service->method('createAsync')->willThrowException($exception);
+        $status = $this->createMock(DumpJobStatusService::class);
+        $status->expects(self::once())->method('markFailed')->with('job-2', 'boom');
+        $logger = new RecordingLogger();
+
+        (new CreateDumpHandler($service, $status, $logger))(new CreateDumpMessage('job-2'));
+
+        self::assertCount(2, $logger->records);
+        self::assertSame('error', $logger->records[1]['level']);
+        self::assertSame('Dump job failed.', $logger->records[1]['message']);
+        self::assertSame('job-2', $logger->records[1]['context']['jobId']);
+        self::assertSame($exception, $logger->records[1]['context']['exception']);
+    }
+}
diff --git a/tests/Service/DumpServiceLoggingTest.php b/tests/Service/DumpServiceLoggingTest.php
new file mode 100644
index 0000000..cffddbe
--- /dev/null
+++ b/tests/Service/DumpServiceLoggingTest.php
@@ -0,0 +1,66 @@
+<?php declare(strict_types=1);
+
+namespace AeonDumpManager\Tests\Service;
+
+use AeonDumpManager\Service\DumpBinaryLocator;
+use AeonDumpManager\Service\DumpFilenameParser;
+use AeonDumpManager\Service\DumpLister;
+use AeonDumpManager\Service\DumpService;
+use AeonDumpManager\Service\Exception\DumpNotFoundException;
+use AeonDumpManager\Tests\Support\RecordingLogger;
+use Doctrine\DBAL\Connection;
+use League\Flysystem\FilesystemOperator;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Shopware\Core\System\SystemConfig\SystemConfigService;
+
+class DumpServiceLoggingTest extends TestCase
+{
+    private const FILENAME = 'dump_2026-09-14_15-04-05.sql.gz';
+
+    private FilesystemOperator&MockObject $filesystem;
+
+    private RecordingLogger $logger;
+
+    private DumpService $service;
+
+    protected function setUp(): void
+    {
+        $this->filesystem = $this->createMock(FilesystemOperator::class);
+        $this->logger = new RecordingLogger();
+        $this->service = new DumpService(
+            $this->createMock(DumpLister::class),
+            $this->filesystem,
+            $this->createMock(DumpBinaryLocator::class),
+            $this->createMock(Connection::class),
+            $this->createMock(SystemConfigService::class),
+            new DumpFilenameParser(),
+            $this->logger,
+        );
+    }
+
+    public function testDeleteLogsInfo(): void
+    {
+        $this->filesystem->method('fileExists')->willReturn(true);
+        $this->filesystem->expects(self::once())->method('delete')->with(DumpLister::path(self::FILENAME));
+
+        $this->service->delete(self::FILENAME);
+
+        self::assertSame(
+            [['level' => 'info', 'message' => 'Dump deleted.', 'context' => ['filename' => self::FILENAME]]],
+            $this->logger->records
+        );
+    }
+
+    public function testDeleteMissingDumpDoesNotLog(): void
+    {
+        $this->filesystem->method('fileExists')->willReturn(false);
+
+        try {
+            $this->service->delete(self::FILENAME);
+            self::fail('Expected DumpNotFoundException.');
+        } catch (DumpNotFoundException) {
+            self::assertSame([], $this->logger->records);
+        }
+    }
+}
diff --git a/tests/Support/RecordingLogger.php b/tests/Support/RecordingLogger.php
new file mode 100644
index 0000000..933bf67
--- /dev/null
+++ b/tests/Support/RecordingLogger.php
@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+
+namespace AeonDumpManager\Tests\Support;
+
+use Psr\Log\AbstractLogger;
+
+class RecordingLogger extends AbstractLogger
+{
+    /** @var list<array{level: string, message: string, context: array<mixed>}> */
+    public array $records = [];
+
+    public function log($level, string|\Stringable $message, array $context = []): void
+    {
+        $this->records[] = ['level' => (string) $level, 'message' => (string) $message, 'context' => $context];
+    }
+}