Implemented parents attribut test

application/tests/Unit/Entity/Attribut/ParentsAttributTest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Entity\Attribut;
+
+use PHPUnit\Framework\TestCase;
+use App\Entity\Attribut\ParentsAttributInterface;
+use App\Entity\Attribut\ParentsAttribut;
+use Doctrine\Common\Collections\ArrayCollection;
+
+class ParentsAttributTest extends TestCase
+{
+    /**
+     * @var ParentsAttributInterface
+     */
+    protected $parents;
+
+    public function setUp(): void
+    {
+        $this->parents = new class() implements ParentsAttributInterface {
+            use ParentsAttribut;
+        };
+    }
+
+    public function testConstructor(): void
+    {
+        $this->expectException(\TypeError::class);
+        $this->parents->getParents();
+    }
+
+    public function testAccessors(): void
+    {
+        $parents = new ArrayCollection();
+        $this->assertNull($this->parents->setParents($parents));
+        $this->assertEquals($parents, $this->parents->getParents());
+    }
+}