diff --git a/tests/Admin/AdminTest.php b/tests/Admin/AdminTest.php
new file mode 100644
index 0000000..7f65c7d
--- /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\Admin\Admin;
+
+/**
+ * @internal
+ */
+class AdminTest extends \PHPUnit\Framework\TestCase
+{
+    protected const MODULE_NAME = 'Admin';
+    protected const URI_LOAD = 'http://127.0.0.1/en/backend/admin';
+
+    use \Modules\tests\ModuleTestTrait;
+}
diff --git a/tests/Controller/Api/ApiControllerAccountTrait.php b/tests/Controller/Api/ApiControllerAccountTrait.php
new file mode 100644
index 0000000..e5b0de9
--- /dev/null
+++ b/tests/Controller/Api/ApiControllerAccountTrait.php
@@ -0,0 +1,166 @@
+<?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\Admin\Controller\Api;
+
+use phpOMS\Account\AccountStatus;
+use phpOMS\Account\AccountType;
+use phpOMS\Message\Http\HttpRequest;
+use phpOMS\Message\Http\HttpResponse;
+use phpOMS\Uri\HttpUri;
+
+trait ApiControllerAccountTrait
+{
+    /**
+     * @testdox A user can be returned
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountGet() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('id', '1');
+
+        $this->module->apiAccountGet($request, $response);
+
+        self::assertEquals('admin', $response->get('')['response']->getName());
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A user can be updated
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountUpdate() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('id', 1);
+        $request->setData('email', 'oms@orange-management.de');
+
+        $this->module->apiAccountUpdate($request, $response);
+        $this->module->apiAccountGet($request, $response);
+
+        self::assertEquals('oms@orange-management.de', $response->get('')['response']->getEmail());
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A user can be found by name
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountFind() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('search', 'admin');
+
+        $this->module->apiAccountFind($request, $response);
+        self::assertCount(1, $response->get(''));
+        self::assertEquals('admin', $response->get('')[0]->getName1());
+    }
+
+    /**
+     * @testdox A user and profile for the user can be created
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountAndProfileCreate() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('login', 'guest');
+        $request->setData('password', 'guest');
+        $request->setData('name1', 'Guest');
+        $request->setData('email', 'test@email.com');
+        $request->setData('type', AccountType::USER);
+        $request->setData('status', AccountStatus::INACTIVE);
+
+        $this->module->apiAccountCreate($request, $response);
+
+        self::assertEquals('guest', $response->get('')['response']->getName());
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A user can be deleted
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountDelete() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        // mustn't create a profile otherwise it will not be possible to delete the account because of FK constraints
+        $request->setData('name1', 'Guest');
+        $request->setData('email', 'test@email.com');
+        $request->setData('type', AccountType::USER);
+        $request->setData('status', AccountStatus::INACTIVE);
+
+        $this->module->apiAccountCreate($request, $response);
+        $request->setData('id', $response->get('')['response']->getId());
+        $this->module->apiAccountDelete($request, $response);
+
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A invalid user cannot be created
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountCreateInvalid() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('status', 999);
+        $request->setData('description', 'test description');
+
+        $this->module->apiAccountCreate($request, $response);
+        self::assertEquals('validation', $response->get('account_create')::TYPE);
+    }
+
+    /**
+     * @testdox A user group can be added to a user
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAddGroupToAccount() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('account', 1);
+        $request->setData('igroup-idlist', '1');
+
+        $this->module->apiAddGroupToAccount($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+    }
+}
diff --git a/tests/Controller/Api/ApiControllerGroupTrait.php b/tests/Controller/Api/ApiControllerGroupTrait.php
new file mode 100644
index 0000000..3d4fcae
--- /dev/null
+++ b/tests/Controller/Api/ApiControllerGroupTrait.php
@@ -0,0 +1,165 @@
+<?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\Admin\Controller\Api;
+
+use phpOMS\Account\GroupStatus;
+use phpOMS\Message\Http\HttpRequest;
+use phpOMS\Message\Http\HttpResponse;
+use phpOMS\Uri\HttpUri;
+
+trait ApiControllerGroupTrait
+{
+    /**
+     * @testdox A user group can be returned
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiGroupGet() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('id', '3');
+
+        $this->module->apiGroupGet($request, $response);
+
+        self::assertEquals('admin', $response->get('')['response']->getName());
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A user group can be updated
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiGroupSet() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('id', '3');
+        $request->setData('name', 'root');
+
+        $this->module->apiGroupUpdate($request, $response);
+        $this->module->apiGroupGet($request, $response);
+
+        self::assertEquals('root', $response->get('')['response']->getName());
+
+        $request->setData('name', 'admin', true);
+        $this->module->apiGroupUpdate($request, $response);
+    }
+
+    /**
+     * @testdox A user group can be found by name
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiGroupFind() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('search', 'admin');
+
+        $this->module->apiGroupFind($request, $response);
+        self::assertCount(1, $response->get(''));
+        self::assertEquals('admin', $response->get('')[0]->getName());
+    }
+
+    /**
+     * @testdox A user group can be created and deleted
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiGroupCreateDelete() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('name', 'test');
+        $request->setData('status', GroupStatus::INACTIVE);
+        $request->setData('description', 'test description');
+
+        $this->module->apiGroupCreate($request, $response);
+
+        self::assertEquals('test', $response->get('')['response']->getName());
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+
+        // test delete
+        $request->setData('id', $response->get('')['response']->getId());
+        $this->module->apiGroupDelete($request, $response);
+
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A invalid user group cannot be created
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiGroupCreateInvalid() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('status', 999);
+        $request->setData('description', 'test description');
+
+        $this->module->apiGroupCreate($request, $response);
+        self::assertEquals('validation', $response->get('group_create')::TYPE);
+    }
+
+    /**
+     * @testdox A user can be added to a user group
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAddAccountToGroup() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('group', 1);
+        $request->setData('iaccount-idlist', '1');
+
+        $this->module->apiAddAccountToGroup($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+    }
+
+    /**
+     * @testdox A user and user group can be found by name
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountGroupFind() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('search', 'admin');
+
+        $this->module->apiAccountGroupFind($request, $response);
+        self::assertCount(2, $response->get(''));
+        self::assertEquals('admin', $response->get('')[0]['name'][0] ?? '');
+        self::assertEquals('admin', $response->get('')[1]['name'][0] ?? '');
+    }
+}
diff --git a/tests/Controller/Api/ApiControllerModuleTrait.php b/tests/Controller/Api/ApiControllerModuleTrait.php
new file mode 100644
index 0000000..3635b8f
--- /dev/null
+++ b/tests/Controller/Api/ApiControllerModuleTrait.php
@@ -0,0 +1,131 @@
+<?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\Admin\Controller\Api;
+
+use Modules\Admin\Models\ModuleStatusUpdateType;
+
+use phpOMS\Message\Http\HttpRequest;
+use phpOMS\Message\Http\HttpResponse;
+use phpOMS\Uri\HttpUri;
+
+trait ApiControllerModuleTrait
+{
+    /**
+     * @testdox The status of a module can be updated
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiModuleStatusUpdate() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('module', 'TestModule');
+
+        $request->setData('status', ModuleStatusUpdateType::INSTALL);
+        $this->module->apiModuleStatusUpdate($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+
+        $request->setData('status', ModuleStatusUpdateType::ACTIVATE, true);
+        $this->module->apiModuleStatusUpdate($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+
+        $request->setData('status', ModuleStatusUpdateType::DEACTIVATE, true);
+        $this->module->apiModuleStatusUpdate($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+
+        $request->setData('status', ModuleStatusUpdateType::UNINSTALL, true);
+        $this->module->apiModuleStatusUpdate($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+    }
+
+    /**
+     * @testdox A missing module cannot be updated
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiModuleStatusUpdateEmptyModule() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+
+        $request->setData('status', ModuleStatusUpdateType::INSTALL);
+        $this->module->apiModuleStatusUpdate($request, $response);
+        self::assertNull($response->get('module_stutus_update'));
+    }
+
+    /**
+     * @testdox A invalid module status cannot update a module
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiModuleStatusUpdateInvalidStatus() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('module', 'TestModule');
+
+        $request->setData('status', 99);
+        $this->module->apiModuleStatusUpdate($request, $response);
+        self::assertEquals('warning', $response->get('')['status']);
+    }
+
+    /**
+     * @testdox A invalid module cannot be updated
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiModuleStatusUpdateInvalidModule() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('module', 'invalid');
+
+        $request->setData('status', ModuleStatusUpdateType::INSTALL);
+        $this->module->apiModuleStatusUpdate($request, $response);
+        self::assertEquals('warning', $response->get('')['status']);
+    }
+
+    /**
+     * @testdox A module can be re-initialized
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiReInit() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+
+        $routes = include __DIR__ . '/../../../../../Web/Api/Routes.php';
+        $hooks  = include __DIR__ . '/../../../../../Web/Api/Hooks.php';
+
+        $this->module->apiReInit($request, $response);
+
+        $routes2 = include __DIR__ . '/../../../../../Web/Api/Routes.php';
+        $hooks2  = include __DIR__ . '/../../../../../Web/Api/Hooks.php';
+
+        self::assertEquals($routes, $routes2);
+        self::assertEquals($hooks, $hooks2);
+    }
+}
diff --git a/tests/Controller/Api/ApiControllerPermissionTrait.php b/tests/Controller/Api/ApiControllerPermissionTrait.php
new file mode 100644
index 0000000..bb48cb8
--- /dev/null
+++ b/tests/Controller/Api/ApiControllerPermissionTrait.php
@@ -0,0 +1,267 @@
+<?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\Admin\Controller\Api;
+
+use phpOMS\Account\PermissionOwner;
+use phpOMS\Account\PermissionType;
+use phpOMS\Message\Http\HttpRequest;
+use phpOMS\Message\Http\HttpResponse;
+use phpOMS\Uri\HttpUri;
+
+trait ApiControllerPermissionTrait
+{
+    /**
+     * @testdox A permission can be added to a user group
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAddGroupPermission() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('permissionowner', PermissionOwner::GROUP);
+        $request->setData('permissionref', 1);
+
+        $this->module->apiAddGroupPermission($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A group permission can be returned
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiGroupPermissionGet() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('id', '2');
+
+        $this->module->apiGroupPermissionGet($request, $response);
+
+        self::assertEquals(1, $response->get('')['response']->getGroup());
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A user group permission can be created and deleted
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiGroupPermissionCreateDelete() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('permissionowner', PermissionOwner::GROUP);
+        $request->setData('permissionref', 1);
+
+        $this->module->apiAddGroupPermission($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+
+        // test delete
+        $request->setData('id', $response->get('')['response']->getId());
+        $this->module->apiGroupPermissionDelete($request, $response);
+
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A permission with missing data cannot be added to a user group
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAddGroupPermissionInvalidData() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('permissionowner', PermissionOwner::GROUP);
+
+        $this->module->apiAddGroupPermission($request, $response);
+        self::assertEquals('validation', $response->get('permission_create')::TYPE);
+    }
+
+    /**
+     * @testdox A invalid permission type cannot be added to a user group
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAddGroupPermissionInvalidType() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('permissionowner', PermissionOwner::ACCOUNT);
+        $request->setData('permissionref', 1);
+
+        $this->module->apiAddGroupPermission($request, $response);
+        self::assertEquals('validation', $response->get('permission_create')::TYPE);
+    }
+
+    /**
+     * @testdox A user group permission can be updated
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiGroupPermissionUpdate() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('id', 1);
+        $request->setData('permissionread', PermissionType::READ);
+
+        $this->module->apiGroupPermissionUpdate($request, $response);
+
+        self::assertEquals(PermissionType::READ, $response->get('')['response']->getPermission());
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+
+        $request->setData('permissioncreate', PermissionType::CREATE);
+        $request->setData('permissionupdate', PermissionType::MODIFY);
+        $request->setData('permissiondelete', PermissionType::DELETE);
+        $request->setData('permissionpermission', PermissionType::PERMISSION);
+
+        $this->module->apiGroupPermissionUpdate($request, $response);
+    }
+
+    /**
+     * @testdox A permission can be added to a user
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAddAccountPermission() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('permissionowner', PermissionOwner::ACCOUNT);
+        $request->setData('permissionref', 1);
+
+        $this->module->apiAddAccountPermission($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A user permission can be returned
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountPermissionGet() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('id', '1');
+
+        $this->module->apiAccountPermissionGet($request, $response);
+
+        self::assertEquals(1, $response->get('')['response']->getAccount());
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A user permission can be created and deleted
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountPermissionCreateDelete() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('permissionowner', PermissionOwner::ACCOUNT);
+        $request->setData('permissionref', 1);
+
+        $this->module->apiAddAccountPermission($request, $response);
+        self::assertEquals('ok', $response->get('')['status']);
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+
+        // test delete
+        $request->setData('id', $response->get('')['response']->getId());
+        $this->module->apiAccountPermissionDelete($request, $response);
+
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+
+    /**
+     * @testdox A permission with missing data cannot be added to a user
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAddAccountPermissionInvalidData() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('permissionowner', PermissionOwner::ACCOUNT);
+
+        $this->module->apiAddAccountPermission($request, $response);
+        self::assertEquals('validation', $response->get('permission_create')::TYPE);
+    }
+
+    /**
+     * @testdox A invalid permission type cannot be added to a user
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAddAccountPermissionInvalidType() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('permissionowner', PermissionOwner::GROUP);
+        $request->setData('permissionref', 1);
+
+        $this->module->apiAddAccountPermission($request, $response);
+        self::assertEquals('validation', $response->get('permission_create')::TYPE);
+    }
+
+    /**
+     * @testdox A user permission can be updated
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiAccountPermissionUpdate() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('id', 1);
+        $request->setData('permissionread', PermissionType::READ);
+
+        $this->module->apiAccountPermissionUpdate($request, $response);
+
+        self::assertEquals(PermissionType::READ, $response->get('')['response']->getPermission());
+        self::assertGreaterThan(0, $response->get('')['response']->getId());
+    }
+}
diff --git a/tests/Controller/Api/ApiControllerSettingsTrait.php b/tests/Controller/Api/ApiControllerSettingsTrait.php
new file mode 100644
index 0000000..be69d8b
--- /dev/null
+++ b/tests/Controller/Api/ApiControllerSettingsTrait.php
@@ -0,0 +1,58 @@
+<?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\Admin\Controller\Api;
+
+use phpOMS\Message\Http\HttpRequest;
+use phpOMS\Message\Http\HttpResponse;
+use phpOMS\Uri\HttpUri;
+
+trait ApiControllerSettingsTrait
+{
+    /**
+     * @testdox Application settings can be read from the database
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiSettingsGet() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('name', '1000000019');
+
+        $this->module->apiSettingsGet($request, $response);
+        self::assertEquals('DE', $response->get('')['response']);
+    }
+
+    /**
+     * @testdox Application settings can be set in the database
+     * @covers Modules\Admin\Controller\ApiController
+     * @group module
+     */
+    public function testApiSettingsSet() : void
+    {
+        $response = new HttpResponse();
+        $request  = new HttpRequest(new HttpUri(''));
+
+        $request->getHeader()->setAccount(1);
+        $request->setData('settings', \json_encode([['name' => '1000000019', 'content' => 'US']]));
+        $this->module->apiSettingsSet($request, $response);
+
+        $request->setData('name', '1000000019');
+        $this->module->apiSettingsGet($request, $response);
+        self::assertEquals('US', $response->get('')['response']);
+    }
+}
diff --git a/tests/Controller/ApiControllerTest.php b/tests/Controller/ApiControllerTest.php
new file mode 100644
index 0000000..5a42c3e
--- /dev/null
+++ b/tests/Controller/ApiControllerTest.php
@@ -0,0 +1,96 @@
+<?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\Admin\Controller;
+
+require_once __DIR__ . '/../../Autoloader.php';
+
+use Model\CoreSettings;
+
+use Modules\Admin\Models\AccountPermission;
+
+use Modules\tests\Admin\Controller\Api\ApiControllerAccountTrait;
+use Modules\tests\Admin\Controller\Api\ApiControllerGroupTrait;
+use Modules\tests\Admin\Controller\Api\ApiControllerModuleTrait;
+use Modules\tests\Admin\Controller\Api\ApiControllerPermissionTrait;
+use Modules\tests\Admin\Controller\Api\ApiControllerSettingsTrait;
+
+use phpOMS\Account\Account;
+use phpOMS\Account\AccountManager;
+use phpOMS\Account\PermissionType;
+use phpOMS\Application\ApplicationAbstract;
+use phpOMS\Dispatcher\Dispatcher;
+use phpOMS\Event\EventManager;
+use phpOMS\Module\ModuleAbstract;
+use phpOMS\Module\ModuleManager;
+use phpOMS\Router\WebRouter;
+use phpOMS\Utils\TestUtils;
+
+/**
+ * @testdox Modules\tests\Admin\Controller\ApiControllerTest: Admin api controller
+ *
+ * @internal
+ */
+class ApiControllerTest extends \PHPUnit\Framework\TestCase
+{
+    protected ApplicationAbstract $app;
+    protected ModuleAbstract $module;
+
+    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');
+
+        $account = new Account();
+        TestUtils::setMember($account, 'id', 1);
+
+        $permission = new AccountPermission();
+        $permission->setUnit(1);
+        $permission->setApp('backend');
+        $permission->setPermission(
+            PermissionType::READ
+            | PermissionType::CREATE
+            | PermissionType::MODIFY
+            | PermissionType::DELETE
+            | PermissionType::PERMISSION
+        );
+
+        $account->addPermission($permission);
+
+        $this->app->accountManager->add($account);
+        $this->app->router = new WebRouter();
+
+        $this->module = $this->app->moduleManager->get('Admin');
+
+        TestUtils::setMember($this->module, 'app', $this->app);
+    }
+
+    use ApiControllerSettingsTrait;
+    use ApiControllerAccountTrait;
+    use ApiControllerGroupTrait;
+    use ApiControllerPermissionTrait;
+    use ApiControllerModuleTrait;
+}
diff --git a/tests/Models/AccountMapperTest.php b/tests/Models/AccountMapperTest.php
new file mode 100644
index 0000000..5965260
--- /dev/null
+++ b/tests/Models/AccountMapperTest.php
@@ -0,0 +1,103 @@
+<?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\Admin\Models;
+
+use Modules\Admin\Models\Account;
+use Modules\Admin\Models\AccountMapper;
+use phpOMS\Account\AccountStatus;
+use phpOMS\Account\AccountType;
+use phpOMS\Auth\LoginReturnType;
+
+/**
+ * @testdox Modules\tests\Admin\Models\LocalizationMapperTest: Account database mapper
+ *
+ * @internal
+ */
+class AccountMapperTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @testdox The model can be created and read from the database
+     * @covers Modules\Admin\Models\AccountMapper
+     * @group module
+     */
+    public function testCR() : void
+    {
+        $account = new Account();
+
+        $account->setName('TestLogin');
+        $account->setName1('Donald');
+        $account->setName2('Fauntleroy');
+        $account->setName3('Duck');
+        $account->setLoginTries(3);
+        $account->setEmail('d.duck@duckburg.com');
+        $account->setStatus(AccountStatus::ACTIVE);
+        $account->setType(AccountType::USER);
+
+        $id = AccountMapper::create($account);
+        self::assertGreaterThan(0, $account->getId());
+        self::assertEquals($id, $account->getId());
+
+        $accountR = AccountMapper::get($account->getId());
+        self::assertEquals($account->getCreatedAt()->format('Y-m-d'), $accountR->getCreatedAt()->format('Y-m-d'));
+        self::assertEquals($account->getName(), $accountR->getName());
+        self::assertEquals($account->getName1(), $accountR->getName1());
+        self::assertEquals($account->getName2(), $accountR->getName2());
+        self::assertEquals($account->getName3(), $accountR->getName3());
+        self::assertEquals($account->getStatus(), $accountR->getStatus());
+        self::assertEquals($account->getType(), $accountR->getType());
+        self::assertEquals($account->getEmail(), $accountR->getEmail());
+        self::assertEquals($account->getLoginTries(), $accountR->getLoginTries());
+    }
+
+    /**
+     * @testdox A empty user password results in a failed login
+     * @covers Modules\Admin\Models\AccountMapper
+     * @group module
+     */
+    public function testEmptyPasswordLogin() : void
+    {
+        self::assertEquals(LoginReturnType::WRONG_PASSWORD, AccountMapper::login('admin', ''));
+    }
+
+    /**
+     * @testdox A invalid user password results in a failed login
+     * @covers Modules\Admin\Models\AccountMapper
+     * @group module
+     */
+    public function testInvalidPasswordLogin() : void
+    {
+        self::assertEquals(LoginReturnType::WRONG_PASSWORD, AccountMapper::login('admin', 'invalid'));
+    }
+
+    /**
+     * @testdox A invalid user name results in a failed login
+     * @covers Modules\Admin\Models\AccountMapper
+     * @group module
+     */
+    public function testInvalidUsernameLogin() : void
+    {
+        self::assertEquals(LoginReturnType::WRONG_USERNAME, AccountMapper::login('zzzzInvalidTestzzz', 'orange'));
+    }
+
+    /**
+     * @testdox A valid user name and password results in a successful login
+     * @covers Modules\Admin\Models\AccountMapper
+     * @group module
+     */
+    public function testValidLogin() : void
+    {
+        self::assertGreaterThan(0, AccountMapper::login('admin', 'orange'));
+    }
+}
diff --git a/tests/Models/AccountPermissionTest.php b/tests/Models/AccountPermissionTest.php
new file mode 100644
index 0000000..34546c0
--- /dev/null
+++ b/tests/Models/AccountPermissionTest.php
@@ -0,0 +1,36 @@
+<?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\Admin\Models;
+
+use Modules\Admin\Models\AccountPermission;
+
+/**
+ * @testdox Modules\tests\Admin\Models\AccountPermissionTest: Account permission
+ *
+ * @internal
+ */
+class AccountPermissionTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @testdox The account permission has the expected default values after initialization
+     * @covers Modules\Admin\Models\AccountPermission
+     * @group module
+     */
+    public function testDefault() : void
+    {
+        $account = new AccountPermission();
+        self::assertEquals(0, $account->getAccount());
+    }
+}
diff --git a/tests/Models/AccountTest.php b/tests/Models/AccountTest.php
new file mode 100644
index 0000000..7912f4c
--- /dev/null
+++ b/tests/Models/AccountTest.php
@@ -0,0 +1,49 @@
+<?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\Admin\Models;
+
+use Modules\Admin\Models\Account;
+
+/**
+ * @testdox Modules\tests\Admin\Models\AccountTest: Account model
+ *
+ * @internal
+ */
+class AccountTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @testdox The account has the expected default values after initialization
+     * @covers Modules\Admin\Models\Account
+     * @group module
+     */
+    public function testDefault() : void
+    {
+        $account = new Account();
+        self::assertEquals(0, $account->getLoginTries());
+    }
+
+    /**
+     * @testdox The login tries can be set and returned
+     * @covers Modules\Admin\Models\Account
+     * @group module
+     */
+    public function testLoginTriesInputOutput() : void
+    {
+        $account = new Account();
+
+        $account->setLoginTries(3);
+        self::assertEquals(3, $account->getLoginTries());
+    }
+}
diff --git a/tests/Models/GroupMapperTest.php b/tests/Models/GroupMapperTest.php
new file mode 100644
index 0000000..777f73d
--- /dev/null
+++ b/tests/Models/GroupMapperTest.php
@@ -0,0 +1,53 @@
+<?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\Admin\Models;
+
+use Modules\Admin\Models\Group;
+use Modules\Admin\Models\GroupMapper;
+use Modules\Admin\Models\GroupPermission;
+use Modules\Admin\Models\GroupPermissionMapper;
+
+/**
+ * @testdox Modules\tests\Admin\Models\GroupMapperTest: Group mapper
+ *
+ * @internal
+ */
+class GroupMapperTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @testdox All groups which have permissions for a module can be returned
+     * @covers Modules\Admin\Models\GroupMapper
+     * @group module
+     */
+    public function testGroupPermissionForModule() : void
+    {
+        $group   = new Group('test');
+        $groupId = GroupMapper::create($group);
+
+        $permission = new GroupPermission($groupId, null, null, 'Admin');
+        GroupPermissionMapper::create($permission);
+
+        $permissions = GroupMapper::getPermissionForModule('Admin');
+
+        foreach ($permissions as $p) {
+            if ($p->getId() === $groupId) {
+                self::assertTrue(true);
+                return;
+            }
+        }
+
+        self::assertTrue(false);
+    }
+}
diff --git a/tests/Models/GroupPermissionTest.php b/tests/Models/GroupPermissionTest.php
new file mode 100644
index 0000000..cef2ca0
--- /dev/null
+++ b/tests/Models/GroupPermissionTest.php
@@ -0,0 +1,36 @@
+<?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\Admin\Models;
+
+use Modules\Admin\Models\GroupPermission;
+
+/**
+ * @testdox Modules\tests\Admin\Models\GroupPermissionTest: Group permission
+ *
+ * @internal
+ */
+class GroupPermissionTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @testdox The group permission has the expected default values after initialization
+     * @covers Modules\Admin\Models\GroupPermission
+     * @group module
+     */
+    public function testDefault() : void
+    {
+        $group = new GroupPermission();
+        self::assertEquals(0, $group->getGroup());
+    }
+}
diff --git a/tests/Models/GroupTest.php b/tests/Models/GroupTest.php
new file mode 100644
index 0000000..45d16db
--- /dev/null
+++ b/tests/Models/GroupTest.php
@@ -0,0 +1,66 @@
+<?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\Admin\Models;
+
+use Modules\Admin\Models\Group;
+use Modules\Admin\Models\NullAccount;
+
+/**
+ * @testdox Modules\tests\Admin\Models\GroupTest: Group model
+ *
+ * @internal
+ */
+class GroupTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @testdox The group has the expected default values after initialization
+     * @covers Modules\Admin\Models\Group
+     * @group module
+     */
+    public function testDefault() : void
+    {
+        $group = new Group();
+        self::assertEquals((new \DateTime('now'))->format('Y-m-d'), $group->getCreatedAt()->format('Y-m-d'));
+        self::assertEquals(0, $group->getCreatedBy()->getId());
+        self::assertEquals('', $group->getDescriptionRaw());
+        self::assertEquals([], $group->getAccounts());
+    }
+
+    /**
+     * @testdox The description can be set and returned
+     * @covers Modules\Admin\Models\Group
+     * @group module
+     */
+    public function testDescriptionInputOutput() : void
+    {
+        $group = new Group();
+
+        $group->setDescriptionRaw('Some test');
+        self::assertEquals('Some test', $group->getDescriptionRaw());
+    }
+
+    /**
+     * @testdox The creator can be set and returned
+     * @covers Modules\Admin\Models\Group
+     * @group module
+     */
+    public function testCreatorInputOutput() : void
+    {
+        $group = new Group();
+
+        $group->setCreatedBy(new NullAccount(3));
+        self::assertEquals(3, $group->getCreatedBy()->getId());
+    }
+}
diff --git a/tests/Models/LocalizationMapperTest.php b/tests/Models/LocalizationMapperTest.php
new file mode 100644
index 0000000..e2045dd
--- /dev/null
+++ b/tests/Models/LocalizationMapperTest.php
@@ -0,0 +1,44 @@
+<?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\Admin\Models;
+
+use Modules\Admin\Models\LocalizationMapper;
+use phpOMS\Localization\Localization;
+
+/**
+ * @testdox Modules\tests\Admin\Models\LocalizationMapperTest: Localization database mapper
+ *
+ * @internal
+ */
+class LocalizationMapperTest extends \PHPUnit\Framework\TestCase
+{
+    /**
+     * @testdox The model can be created and read from the database
+     * @covers Modules\Admin\Models\LocalizationMapper
+     * @group module
+     */
+    public function testCR() : void
+    {
+        $localization = Localization::fromJson(
+            \json_decode(\file_get_contents(__DIR__ . '/om_OMS.json'), true)
+        );
+
+        $id                 = LocalizationMapper::create($localization);
+        $localizationRemote = LocalizationMapper::get($id);
+
+        self::assertEquals('fahrenheit', $localizationRemote->getTemperature());
+        self::assertEquals($localization->jsonSerialize(), $localizationRemote->jsonSerialize());
+    }
+}
diff --git a/tests/Models/ModuleTest.php b/tests/Models/ModuleTest.php
new file mode 100644
index 0000000..8a58da9
--- /dev/null
+++ b/tests/Models/ModuleTest.php
@@ -0,0 +1,105 @@
+<?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\Admin\Models;
+
+use Modules\Admin\Models\Module;
+use phpOMS\Module\ModuleStatus;
+
+/**
+ * @testdox Modules\tests\Admin\Models\ModuleTest: Module container
+ *
+ * @internal
+ */
+class ModuleTest extends \PHPUnit\Framework\TestCase
+{
+    protected Module $module;
+
+    protected function setUp() : void
+    {
+        $this->module = new Module();
+    }
+
+    /**
+     * @testdox The module has the expected default values after initialization
+     * @covers Modules\Admin\Models\Module
+     * @group module
+     */
+    public function testDefault() : void
+    {
+        self::assertEquals(0, $this->module->getId());
+        self::assertInstanceOf('\DateTime', $this->module->getCreatedAt());
+        self::assertEquals('', $this->module->getName());
+        self::assertEquals('', $this->module->getDescription());
+        self::assertEquals(ModuleStatus::INACTIVE, $this->module->getStatus());
+        self::assertEquals(\json_encode($this->module->jsonSerialize()), $this->module->__toString());
+        self::assertEquals($this->module->jsonSerialize(), $this->module->toArray());
+    }
+
+    /**
+     * @testdox The name can be set and returned
+     * @covers Modules\Admin\Models\Module
+     * @group module
+     */
+    public function testNameInputOutput() : void
+    {
+        $this->module->setName('Name');
+        self::assertEquals('Name', $this->module->getName());
+    }
+
+    /**
+     * @testdox The description can be set and returned
+     * @covers Modules\Admin\Models\Module
+     * @group module
+     */
+    public function testDescriptionInputOutput() : void
+    {
+        $this->module->setDescription('Desc');
+        self::assertEquals('Desc', $this->module->getDescription());
+    }
+
+    /**
+     * @testdox The status can be set and returned
+     * @covers Modules\Admin\Models\Module
+     * @group module
+     */
+    public function testStatusInputOutput() : void
+    {
+        $this->module->setStatus(ModuleStatus::ACTIVE);
+        self::assertEquals(ModuleStatus::ACTIVE, $this->module->getStatus());
+    }
+
+    /**
+     * @testdox The module can be serialized
+     * @covers Modules\Admin\Models\Module
+     * @group module
+     */
+    public function testSerializations() : void
+    {
+        self::assertEquals(\json_encode($this->module->jsonSerialize()), $this->module->__toString());
+        self::assertEquals($this->module->jsonSerialize(), $this->module->toArray());
+    }
+
+    /**
+     * @testdox A invalid status throws a InvalidEnumValue exception
+     * @covers Modules\Admin\Models\Module
+     * @group module
+     */
+    public function testInvalidStatus() : void
+    {
+        self::expectException(\phpOMS\Stdlib\Base\Exception\InvalidEnumValue::class);
+
+        $this->module->setStatus(9999);
+    }
+}
diff --git a/tests/Models/om_OMS.json b/tests/Models/om_OMS.json
new file mode 100644
index 0000000..2fbb3fc
--- /dev/null
+++ b/tests/Models/om_OMS.json
@@ -0,0 +1,67 @@
+{
+    "language": "en",
+    "country": "US",
+    "currency": {
+        "code": "USD",
+        "position": 0,
+        "format": "1"
+    },
+    "thousand": ",",
+    "decimal": ".",
+    "angle": "deg",
+    "temperature": "fahrenheit",
+    "weight": {
+        "very_light": "mg",
+        "light": "g",
+        "medium": "kg",
+        "heavy": "t",
+        "very_heavy": "t"
+    },
+    "speed": {
+        "very_slow": "mps",
+        "slow": "ms",
+        "medium": "kph",
+        "fast": "kph",
+        "very_fast": "management",
+        "sea": "knot"
+    },
+    "length": {
+        "very_short": "micron",
+        "short": "mm",
+        "medium": "cm",
+        "long": "m",
+        "very_long": "km",
+        "sea": "mile"
+    },
+    "area": {
+        "very_small": "micron",
+        "small": "mm",
+        "medium": "cm",
+        "large": "m",
+        "very_large": "orange"
+    },
+    "volume": {
+        "very_small": "mul",
+        "small": "ml",
+        "medium": "l",
+        "large": "cm",
+        "very_large": "m",
+        "teaspoon": "Metric tsp",
+        "tablespoon": "Metric tblsp",
+        "glass": "Metric cup"
+    },
+    "datetime": {
+        "very_short": "d.m",
+        "short": "m.y",
+        "medium": "Y.m.d",
+        "long": "Y.m.d h:i",
+        "very_long": "Y.m.d h:i:s"
+    },
+    "precision": {
+        "very_short": 0,
+        "short": 1,
+        "medium": 2,
+        "long": 3,
+        "very_long": 5
+    }
+}
\ No newline at end of file