Create a PickUserGroupOrUserDynamicType

- add necessary vue component to render usergroup within the component AddPersons;
- add necessary normalization and denormalization process for matching the selected usergroup with entities in database

src/Bundle/ChillMainBundle/Tests/Serializer/Normalizer/UserGroupDenormalizerTest.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Serializer\Normalizer;
+
+use Chill\MainBundle\Entity\UserGroup;
+use Chill\MainBundle\Repository\UserGroupRepositoryInterface;
+use Chill\MainBundle\Serializer\Normalizer\UserGroupDenormalizer;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+class UserGroupDenormalizerTest extends TestCase
+{
+    /**
+     * @throws \PHPUnit\Framework\MockObject\Exception
+     *
+     * @dataProvider provideSupportsDenormalization
+     */
+    public function testSupportsDenormalization($data, string $type, bool $expected): void
+    {
+        $repository = $this->createMock(UserGroupRepositoryInterface::class);
+        $denormalizer = new UserGroupDenormalizer($repository);
+
+        $actual = $denormalizer->supportsDenormalization($data, $type, 'json');
+
+        self::assertSame($expected, $actual);
+    }
+
+    public static function provideSupportsDenormalization(): iterable
+    {
+        yield [['type' => 'user_group', 'id' => 10], UserGroup::class, true];
+        yield [['type' => 'person', 'id' => 10], UserGroup::class, false];
+        yield [['type' => 'user_group', 'id' => 10], \stdClass::class, false];
+    }
+
+    public function testDenormalize(): void
+    {
+        $repository = $this->createMock(UserGroupRepositoryInterface::class);
+        $repository->expects($this->once())
+            ->method('find')
+            ->with(10)
+            ->willReturn($userGroup = new UserGroup());
+
+        $denormalizer = new UserGroupDenormalizer($repository);
+
+        $actual = $denormalizer->denormalize(['type' => 'user_group', 'id' => 10], UserGroup::class, 'json');
+
+        self::assertSame($userGroup, $actual);
+    }
+}