diff --git a/Tests/Unit/Service/EventExecutionServiceTest.php b/Tests/Unit/Service/EventExecutionServiceTest.php
new file mode 100644
index 0000000..87f25fe
--- /dev/null
+++ b/Tests/Unit/Service/EventExecutionServiceTest.php
@@ -0,0 +1,165 @@
+<?php
+
+namespace Crossmedia\Fourallportal\Tests\Service;
+
+use Crossmedia\Fourallportal\Domain\Repository\EventRepository;
+use Crossmedia\Fourallportal\Domain\Repository\ModuleRepository;
+use Crossmedia\Fourallportal\Domain\Repository\ServerRepository;
+use Crossmedia\Fourallportal\Service\EventExecutionService;
+use Crossmedia\Fourallportal\Service\LoggingService;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Test;
+use TYPO3\CMS\Core\Configuration\ExtensionConfiguration;
+use TYPO3\CMS\Core\Database\ConnectionPool;
+use TYPO3\CMS\Core\Locking\Exception as LockingException;
+use TYPO3\CMS\Core\Locking\Exception\LockAcquireException;
+use TYPO3\CMS\Core\Locking\LockFactory;
+use TYPO3\CMS\Core\Locking\LockingStrategyInterface;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Extbase\Persistence\PersistenceManagerInterface;
+use TYPO3\CMS\Scheduler\Domain\Repository\SchedulerTaskRepository;
+use TYPO3\TestingFramework\Core\Unit\UnitTestCase;
+
+class EventExecutionServiceTest extends UnitTestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->resetSingletonInstances = true;
+    }
+
+    public static function lockDataProvider(): \Traversable
+    {
+        yield "Lock can be acquired, method will return true" => [
+            'acquireResult' => true,
+            'exception' => null,
+            'expectedResult' => true,
+        ];
+        yield "Lock can not be acquired, method will return false" => [
+            'acquireResult' => false,
+            'exception' => null,
+            'expectedResult' => false,
+        ];
+        yield "Acquire throws exception, method will return false" => [
+            'acquireResult' => false,
+            'exception' => new LockAcquireException(),
+            'expectedResult' => false,
+        ];
+    }
+
+    #[Test]
+    #[DataProvider('lockDataProvider')]
+    public function verifyLockBehaviour(bool $acquireResult, LockingException|null $exception, bool $expectedResult): void
+    {
+        $serverRepositoryMock = $this->createMock(ServerRepository::class);
+        $eventRepositoryMock = $this->createMock(EventRepository::class);
+        $moduleRepositoryMock = $this->createMock(ModuleRepository::class);
+        $loggingServiceMock = $this->createMock(LoggingService::class);
+        $persistenceManagerInterfaceMock = $this->createMock(PersistenceManagerInterface::class);
+        $connectionPoolMock = $this->createMock(ConnectionPool::class);
+        $schedulerTaskRepositoryMock = $this->createMock(SchedulerTaskRepository::class);
+        $extensionConfigurationMock = $this->createMock(ExtensionConfiguration::class);
+
+        $lockerMock = $this->createMock(LockingStrategyInterface::class);
+        if ($exception !== null) {
+            $lockerMock->expects(self::once())
+                ->method('acquire')
+                ->with(LockingStrategyInterface::LOCK_CAPABILITY_EXCLUSIVE)
+                ->willThrowException($exception);
+        } else {
+            $lockerMock->expects(self::once())
+                ->method('acquire')
+                ->with(LockingStrategyInterface::LOCK_CAPABILITY_EXCLUSIVE)
+                ->willReturn($acquireResult);
+        }
+        $lockFactoryMock = $this->createMock(LockFactory::class);
+        $lockFactoryMock->expects(self::once())
+            ->method('createLocker')
+            ->with('4ap_sync', LockingStrategyInterface::LOCK_CAPABILITY_EXCLUSIVE)
+            ->willReturn($lockerMock);
+        GeneralUtility::setSingletonInstance(LockFactory::class, $lockFactoryMock);
+
+        $eventExecutionService = new EventExecutionService(
+            $serverRepositoryMock,
+            $eventRepositoryMock,
+            $moduleRepositoryMock,
+            $loggingServiceMock,
+            $persistenceManagerInterfaceMock,
+            $connectionPoolMock,
+            $schedulerTaskRepositoryMock,
+            $extensionConfigurationMock,
+        );
+
+        self::assertEquals(
+            $expectedResult,
+            $eventExecutionService->lock()
+        );
+    }
+
+    public static function unlockDataProvider(): \Traversable
+    {
+        yield "Lock can be released, method will return true" => [
+            'released' => true,
+            'exception' => null,
+            'expectedResult' => true,
+        ];
+        yield "Lock can not be released, method will return false" => [
+            'released' => false,
+            'exception' => null,
+            'expectedResult' => false,
+        ];
+        yield "Release the lock will throws exception, method will return false" => [
+            'released' => false,
+            'exception' => new LockingException(),
+            'expectedResult' => false,
+        ];
+    }
+
+    #[Test]
+    #[DataProvider('unlockDataProvider')]
+    public function verifyUnLockBehaviour(bool $released, LockingException|null $exception, bool $expectedResult): void
+    {
+        $serverRepositoryMock = $this->createMock(ServerRepository::class);
+        $eventRepositoryMock = $this->createMock(EventRepository::class);
+        $moduleRepositoryMock = $this->createMock(ModuleRepository::class);
+        $loggingServiceMock = $this->createMock(LoggingService::class);
+        $persistenceManagerInterfaceMock = $this->createMock(PersistenceManagerInterface::class);
+        $connectionPoolMock = $this->createMock(ConnectionPool::class);
+        $schedulerTaskRepositoryMock = $this->createMock(SchedulerTaskRepository::class);
+        $extensionConfigurationMock = $this->createMock(ExtensionConfiguration::class);
+
+        $lockerMock = $this->createMock(LockingStrategyInterface::class);
+        if ($exception !== null) {
+            $lockerMock->expects(self::once())
+                ->method('release')
+                ->willThrowException($exception);
+        } else {
+            $lockerMock->expects(self::once())
+                ->method('release')
+                ->willReturn($released);
+        }
+
+        $lockFactoryMock = $this->createMock(LockFactory::class);
+        $lockFactoryMock->expects(self::once())
+            ->method('createLocker')
+            ->with('4ap_sync', LockingStrategyInterface::LOCK_CAPABILITY_EXCLUSIVE)
+            ->willReturn($lockerMock);
+        GeneralUtility::setSingletonInstance(LockFactory::class, $lockFactoryMock);
+
+        $eventExecutionService = new EventExecutionService(
+            $serverRepositoryMock,
+            $eventRepositoryMock,
+            $moduleRepositoryMock,
+            $loggingServiceMock,
+            $persistenceManagerInterfaceMock,
+            $connectionPoolMock,
+            $schedulerTaskRepositoryMock,
+            $extensionConfigurationMock,
+        );
+
+        self::assertEquals(
+            $expectedResult,
+            $eventExecutionService->unlock()
+        );
+    }
+}
diff --git a/composer.json b/composer.json
index b8239a7..092cdaa 100644
--- a/composer.json
+++ b/composer.json
@@ -29,7 +29,8 @@
     "ext-curl": "*"
   },
   "require-dev": {
-    "phpunit/phpunit": "^8.5"
+    "phpunit/phpunit": "^10.5",
+    "typo3/testing-framework": "^8.0.1"
   },
   "autoload": {
     "psr-4": {