Fixed static analysis issue and added test for UserRepository

tests/Repository/UserRepositoryTest.php

@@ -0,0 +1,86 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Tests\Repository;
+
+use App\Entity\UserSystem\User;
+use App\Repository\UserRepository;
+use PHPUnit\Framework\TestCase;
+use Symfony\Bundle\FrameworkBundle\Test\WebTestCase;
+
+class UserRepositoryTest extends WebTestCase
+{
+
+    private $entityManager;
+    /**
+     * @var UserRepository
+     */
+    private $repo;
+
+    protected function setUp(): void
+    {
+        $kernel = self::bootKernel();
+
+        $this->entityManager = $kernel->getContainer()
+            ->get('doctrine')
+            ->getManager();
+
+        $this->repo = $this->entityManager->getRepository(User::class);
+    }
+
+
+    public function testGetAnonymousUser()
+    {
+        $user = $this->repo->getAnonymousUser();
+
+        $this->assertInstanceOf(User::class, $user);
+        $this->assertSame(User::ID_ANONYMOUS, $user->getId());
+        $this->assertSame('anonymous', $user->getUsername());
+    }
+
+    public function testFindByEmailOrName()
+    {
+        //Test for email
+        $u = $this->repo->findByEmailOrName('user@invalid.invalid');
+        $this->assertInstanceOf(User::class, $u);
+        $this->assertSame('user', $u->getUsername());
+
+        //Test for name
+        $u = $this->repo->findByEmailOrName('user');
+        $this->assertInstanceOf(User::class, $u);
+        $this->assertSame('user', $u->getUsername());
+
+        //Check what happens for unknown user
+        $u = $this->repo->findByEmailOrName('unknown');
+        $this->assertNull($u);
+
+    }
+
+    public function testFindByUsername()
+    {
+        $u = $this->repo->findByUsername('user');
+        $this->assertInstanceOf(User::class, $u);
+        $this->assertSame('user', $u->getUsername());
+
+        //Check what happens for unknown user
+        $u = $this->repo->findByEmailOrName('unknown');
+        $this->assertNull($u);
+    }
+}