diff --git a/tests/Admin/AdminTest.php b/tests/Admin/AdminTest.php
new file mode 100644
index 0000000..2bdb4b5
--- /dev/null
+++ b/tests/Admin/AdminTest.php
@@ -0,0 +1,26 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\tests\Media\Admin;
+
+/**
+ * @internal
+ */
+class AdminTest extends \PHPUnit\Framework\TestCase
+{
+    protected const MODULE_NAME = 'Media';
+    protected const URI_LOAD = 'http://127.0.0.1/en/backend/media';
+
+    use \Modules\tests\ModuleTestTrait;
+}
diff --git a/tests/ControllerTest.php b/tests/ControllerTest.php
new file mode 100644
index 0000000..206ce5a
--- /dev/null
+++ b/tests/ControllerTest.php
@@ -0,0 +1,94 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\tests\Media;
+
+use Model\CoreSettings;
+use Modules\Media\Models\UploadStatus;
+use phpOMS\Account\AccountManager;
+use phpOMS\Application\ApplicationAbstract;
+use phpOMS\Dispatcher\Dispatcher;
+use phpOMS\Event\EventManager;
+use phpOMS\Module\ModuleManager;
+use phpOMS\Router\WebRouter;
+
+require_once __DIR__ . '/../Autoloader.php';
+
+/**
+ * @internal
+ */
+class ControllerTest extends \PHPUnit\Framework\TestCase
+{
+    protected $app    = null;
+    protected $module = null;
+
+    protected function setUp() : void
+    {
+        $this->app = new class() extends ApplicationAbstract
+        {
+            protected string $appName = 'Api';
+        };
+
+        $this->app->dbPool         = $GLOBALS['dbpool'];
+        $this->app->orgId          = 1;
+        $this->app->appName        = 'Backend';
+        $this->app->accountManager = new AccountManager($GLOBALS['session']);
+        $this->app->appSettings    = new CoreSettings($this->app->dbPool->get());
+        $this->app->moduleManager  = new ModuleManager($this->app, __DIR__ . '/../../../Modules');
+        $this->app->dispatcher     = new Dispatcher($this->app);
+        $this->app->eventManager   = new EventManager($this->app->dispatcher);
+        $this->app->eventManager->importFromFile(__DIR__ . '/../../../Web/Api/Hooks.php');
+
+        $this->app->router = new WebRouter();
+
+        $this->module = $this->app->moduleManager->get('Media');
+    }
+
+    /**
+     * @covers Modules\Media\Controller\ApiController
+     * @group module
+     */
+    public function testCreateDbEntries() : void
+    {
+        $status = [
+            [
+                'status' => UploadStatus::OK,
+                'extension' => 'png',
+                'filename' => 'logo.png',
+                'name' => 'logo.png',
+                'path' => 'Modules/tests/Media/Files/',
+                'size' => 90210,
+            ],
+            [
+                'status' => UploadStatus::FAILED_HASHING,
+                'extension' => 'png',
+                'filename' => 'logo.png',
+                'name' => 'logo.png',
+                'path' => 'Modules/tests/Media/Files/',
+                'size' => 90210,
+            ],
+            [
+                'status' => UploadStatus::OK,
+                'extension' => 'png',
+                'filename' => 'logo2.png',
+                'name' => 'logo2.png',
+                'path' => 'Modules/tests/Media/Files/',
+                'size' => 90210,
+            ],
+        ];
+
+        $ids = $this->module->createDbEntries($status, 1);
+        self::assertCount(2, $ids);
+    }
+}
diff --git a/tests/Files/logo.png b/tests/Files/logo.png
new file mode 100644
index 0000000..27d7f3c
Binary files /dev/null and b/tests/Files/logo.png differ
diff --git a/tests/Files/logo2.png b/tests/Files/logo2.png
new file mode 100644
index 0000000..27d7f3c
Binary files /dev/null and b/tests/Files/logo2.png differ
diff --git a/tests/Models/CollectionTest.php b/tests/Models/CollectionTest.php
new file mode 100644
index 0000000..98e7e46
--- /dev/null
+++ b/tests/Models/CollectionTest.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\tests\Media\Models;
+
+use Modules\Admin\Models\NullAccount;
+use Modules\Media\Models\Collection;
+use Modules\Media\Models\NullMedia;
+
+/**
+ * @internal
+ */
+class CollectionTest extends \PHPUnit\Framework\TestCase
+{
+    protected Collection $media;
+
+    protected function setUp() : void
+    {
+        $this->media = new Collection();
+    }
+
+    public function testDefault() : void
+    {
+        self::assertEquals(0, $this->media->getId());
+        self::assertEquals(0, $this->media->getCreatedBy()->getId());
+        self::assertEquals((new \DateTime('now'))->format('Y-m-d'), $this->media->getCreatedAt()->format('Y-m-d'));
+        self::assertEquals('collection', $this->media->getExtension());
+        self::assertEquals('', $this->media->getPath());
+        self::assertEquals('', $this->media->getName());
+        self::assertEquals('', $this->media->getDescription());
+        self::assertEquals(0, $this->media->getSize());
+        self::assertFalse($this->media->isVersioned());
+        self::assertEquals([], $this->media->getSources());
+    }
+
+    public function testCreatedByInputOutput() : void
+    {
+        $this->media->setCreatedBy(new NullAccount(1));
+        self::assertEquals(1, $this->media->getCreatedBy()->getId());
+    }
+
+    public function testExtensionInputOutput() : void
+    {
+        $this->media->setExtension('pdf');
+        self::assertEquals('collection', $this->media->getExtension());
+    }
+
+    public function testPathInputOutput() : void
+    {
+        $this->media->setPath('/home/root');
+        self::assertEquals('/home/root', $this->media->getPath());
+    }
+
+    public function testDescriptionInputOutput() : void
+    {
+        $this->media->setDescription('This is a description');
+        self::assertEquals('This is a description', $this->media->getDescription());
+    }
+
+    public function testSizeInputOutput() : void
+    {
+        $this->media->setSize(11);
+        self::assertEquals(11, $this->media->getSize());
+    }
+
+    public function testVersionedInputOutput() : void
+    {
+        $this->media->setVersioned(true);
+        self::assertFalse($this->media->isVersioned());
+    }
+
+    public function testSourceInputOutput() : void
+    {
+        $this->media->setSources([new NullMedia(1), new NullMedia(2), new NullMedia(3)]);
+        self::assertEquals([new NullMedia(1), new NullMedia(2), new NullMedia(3)], $this->media->getSources());
+    }
+
+    public function testSourceAddInputOutput() : void
+    {
+        $this->media->setSources([new NullMedia(1), new NullMedia(2), new NullMedia(3)]);
+        $this->media->addSource(new NullMedia(4));
+        self::assertEquals([new NullMedia(1), new NullMedia(2), new NullMedia(3), new NullMedia(4)], $this->media->getSources());
+    }
+}
diff --git a/tests/Models/MediaMapperTest.php b/tests/Models/MediaMapperTest.php
new file mode 100644
index 0000000..cfda666
--- /dev/null
+++ b/tests/Models/MediaMapperTest.php
@@ -0,0 +1,104 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\tests\Media\Models;
+
+use Modules\Admin\Models\NullAccount;
+use Modules\Media\Models\Media;
+use Modules\Media\Models\MediaMapper;
+
+/**
+ * @internal
+ */
+class MediaMapperTest extends \PHPUnit\Framework\TestCase
+{
+    public function testCRUD() : void
+    {
+        $media = new Media();
+        $media->setCreatedBy(new NullAccount(1));
+        $media->setDescription('desc');
+        $media->setDescriptionRaw('descRaw');
+        $media->setPath('some/path');
+        $media->setSize(11);
+        $media->setExtension('png');
+        $media->setName('Image');
+        $id = MediaMapper::create($media);
+
+        self::assertGreaterThan(0, $media->getId());
+        self::assertEquals($id, $media->getId());
+
+        $mediaR = MediaMapper::get($media->getId());
+        self::assertEquals($media->getCreatedAt()->format('Y-m-d'), $mediaR->getCreatedAt()->format('Y-m-d'));
+        self::assertEquals($media->getCreatedBy()->getId(), $mediaR->getCreatedBy()->getId());
+        self::assertEquals($media->getDescription(), $mediaR->getDescription());
+        self::assertEquals($media->getDescriptionRaw(), $mediaR->getDescriptionRaw());
+        self::assertEquals($media->getPath(), $mediaR->getPath());
+        self::assertEquals($media->isAbsolute(), $mediaR->isAbsolute());
+        self::assertEquals($media->getSize(), $mediaR->getSize());
+        self::assertEquals($media->getExtension(), $mediaR->getExtension());
+        self::assertEquals($media->getName(), $mediaR->getName());
+    }
+
+    public function testAbsolute() : void
+    {
+        $media = new Media();
+        $media->setCreatedBy(new NullAccount(1));
+        $media->setDescription('desc');
+        $media->setPath('https://avatars0.githubusercontent.com/u/16034994');
+        $media->setAbsolute(true);
+        $media->setSize(11);
+        $media->setExtension('png');
+        $media->setName('Absolute path');
+        $id = MediaMapper::create($media);
+
+        self::assertGreaterThan(0, $media->getId());
+        self::assertEquals($id, $media->getId());
+
+        $mediaR = MediaMapper::get($media->getId());
+        self::assertEquals($media->getCreatedAt()->format('Y-m-d'), $mediaR->getCreatedAt()->format('Y-m-d'));
+        self::assertEquals($media->getCreatedBy()->getId(), $mediaR->getCreatedBy()->getId());
+        self::assertEquals($media->getDescription(), $mediaR->getDescription());
+        self::assertEquals($media->getPath(), $mediaR->getPath());
+        self::assertEquals($media->isAbsolute(), $mediaR->isAbsolute());
+        self::assertEquals($media->getSize(), $mediaR->getSize());
+        self::assertEquals($media->getExtension(), $mediaR->getExtension());
+        self::assertEquals($media->getName(), $mediaR->getName());
+    }
+
+    public function testDirectoryMapping() : void
+    {
+        $media = new Media();
+        $media->setCreatedBy(new NullAccount(1));
+        $media->setDescription('desc');
+        $media->setPath(\realpath(__DIR__ . '/../../../../../'));
+        $media->setAbsolute(true);
+        $media->setSize(11);
+        $media->setExtension('collection');
+        $media->setName('Directory');
+        $id = MediaMapper::create($media);
+
+        self::assertGreaterThan(0, $media->getId());
+        self::assertEquals($id, $media->getId());
+
+        $mediaR = MediaMapper::get($media->getId());
+        self::assertEquals($media->getCreatedAt()->format('Y-m-d'), $mediaR->getCreatedAt()->format('Y-m-d'));
+        self::assertEquals($media->getCreatedBy()->getId(), $mediaR->getCreatedBy()->getId());
+        self::assertEquals($media->getDescription(), $mediaR->getDescription());
+        self::assertEquals($media->getPath(), $mediaR->getPath());
+        self::assertEquals($media->isAbsolute(), $mediaR->isAbsolute());
+        self::assertEquals($media->getSize(), $mediaR->getSize());
+        self::assertEquals($media->getExtension(), $mediaR->getExtension());
+        self::assertEquals($media->getName(), $mediaR->getName());
+    }
+}
diff --git a/tests/Models/MediaTest.php b/tests/Models/MediaTest.php
new file mode 100644
index 0000000..10844ae
--- /dev/null
+++ b/tests/Models/MediaTest.php
@@ -0,0 +1,113 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 7.4
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\tests\Media\Models;
+
+use Modules\Admin\Models\NullAccount;
+use Modules\Media\Models\Media;
+
+/**
+ * @internal
+ */
+class MediaTest extends \PHPUnit\Framework\TestCase
+{
+    protected Media $media;
+
+    protected function setUp() : void
+    {
+        $this->media = new Media();
+    }
+
+    public function testDefault() : void
+    {
+        self::assertEquals(0, $this->media->getId());
+        self::assertEquals(0, $this->media->getCreatedBy()->getId());
+        self::assertEquals((new \DateTime('now'))->format('Y-m-d'), $this->media->getCreatedAt()->format('Y-m-d'));
+        self::assertEquals('', $this->media->getExtension());
+        self::assertEquals('', $this->media->getPath());
+        self::assertFalse($this->media->isAbsolute());
+        self::assertEquals('', $this->media->getName());
+        self::assertEquals('', $this->media->getDescription());
+        self::assertEquals('', $this->media->getDescriptionRaw());
+        self::assertEquals('/', $this->media->getVirtualPath());
+        self::assertEquals(0, $this->media->getSize());
+        self::assertFalse($this->media->isVersioned());
+    }
+
+    public function testCreatedByInputOutput() : void
+    {
+        $this->media->setCreatedBy(new NullAccount(1));
+        self::assertEquals(1, $this->media->getCreatedBy()->getId());
+    }
+
+    public function testExtensionInputOutput() : void
+    {
+        $this->media->setExtension('pdf');
+        self::assertEquals('pdf', $this->media->getExtension());
+    }
+
+    public function testPathInputOutput() : void
+    {
+        $this->media->setPath('/home/root');
+        self::assertEquals('/home/root', $this->media->getPath());
+    }
+
+    public function testAbsolutePathInputOutput() : void
+    {
+        $this->media->setAbsolute(true);
+        self::assertTrue($this->media->isAbsolute());
+    }
+
+    public function testNameInputOutput() : void
+    {
+        $this->media->setName('Report');
+        self::assertEquals('Report', $this->media->getName());
+    }
+
+    public function testDescriptionInputOutput() : void
+    {
+        $this->media->setDescription('This is a description');
+        self::assertEquals('This is a description', $this->media->getDescription());
+    }
+
+    public function testDescriptionRawInputOutput() : void
+    {
+        $this->media->setDescriptionRaw('This is a description raw');
+        self::assertEquals('This is a description raw', $this->media->getDescriptionRaw());
+    }
+
+    public function testSizeInputOutput() : void
+    {
+        $this->media->setSize(11);
+        self::assertEquals(11, $this->media->getSize());
+    }
+
+    public function testVersionedInputOutput() : void
+    {
+        $this->media->setVersioned(true);
+        self::assertTrue($this->media->isVersioned());
+    }
+
+    public function testVirtualPathInputOutput() : void
+    {
+        $this->media->setVirtualPath('/test/path');
+        self::assertEquals('/test/path', $this->media->getVirtualPath());
+    }
+
+    public function testHiddenInputOutput() : void
+    {
+        $this->media->setHidden(true);
+        self::assertTrue($this->media->isHidden());
+    }
+}