[dev-feature] use an interface for describing CenterRepository (allow mocking in tests

src/Bundle/ChillMainBundle/Repository/CenterRepository.php

@@ -16,7 +16,7 @@ use Doctrine\ORM\EntityManagerInterface;
 use Doctrine\ORM\EntityRepository;
 use Doctrine\Persistence\ObjectRepository;
 
-final class CenterRepository implements ObjectRepository
+final class CenterRepository implements CenterRepositoryInterface
 {
     private EntityRepository $repository;
 
@@ -30,13 +30,6 @@ final class CenterRepository implements ObjectRepository
         return $this->repository->find($id, $lockMode, $lockVersion);
     }
 
-    /**
-     * Return all active centers
-     *
-     * Note: this is a teaser: active will comes later on center entity
-     *
-     * @return Center[]
-     */
     public function findActive(): array
     {
         return $this->findAll();

src/Bundle/ChillMainBundle/Repository/CenterRepositoryInterface.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Chill\MainBundle\Repository;
+
+use Chill\MainBundle\Entity\Center;
+use Doctrine\Persistence\ObjectRepository;
+
+interface CenterRepositoryInterface extends ObjectRepository
+{
+    /**
+     * Return all active centers
+     *
+     * Note: this is a teaser: active will comes later on center entity
+     *
+     * @return Center[]
+     */
+    public function findActive(): array;
+}