feat(db): add entities

tests/Common/Generators/CommentGeneratorTrait.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Common\Generators;
+
+use App\Entity\Database\Comments\Comment;
+use App\Entity\Database\Posts\Post;
+use App\Tests\Common\DatabaseTestTrait;
+use App\Tests\Common\FakerTrait;
+
+trait CommentGeneratorTrait
+{
+    use FakerTrait;
+    use DatabaseTestTrait;
+
+    private function createComment(int $id, Post $post): Comment
+    {
+        $comment = new Comment(
+            $id,
+            $post,
+            $this->getFaker()->name(),
+            $this->getFaker()->email(),
+            $this->getFaker()->text(500)
+        );
+
+        $this->getEntityManager()->persist($comment);
+        $this->getEntityManager()->flush();
+
+        $this->getEntityManager()->refresh($post);
+
+        return $comment;
+    }
+}