(Try to) add a reproducer for #10868

tests/Doctrine/Tests/ORM/Functional/Ticket/GH10868Test.php

@@ -0,0 +1,192 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\ORM\Mapping as ORM;
+use Doctrine\Tests\OrmFunctionalTestCase;
+
+class GH10868Test extends OrmFunctionalTestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->setUpEntitySchema([
+            GH10868Shop::class,
+            GH10868Offer::class,
+            GH10868Order::class,
+            GH10868OrderProduct::class,
+        ]);
+    }
+
+    public function testReferenceAndLazyLoadProxyAreTheSame(): void
+    {
+        $shop         = new GH10868Shop();
+        $offer        = new GH10868Offer($shop, 1);
+        $order        = new GH10868Order();
+        $orderProduct = new GH10868OrderProduct();
+
+        $orderProduct->order        = $order;
+        $orderProduct->productOffer = $offer;
+        $order->shop                = $shop;
+        $order->orderProducts->add($orderProduct);
+
+        $this->_em->persist($shop);
+        $this->_em->persist($offer);
+        $this->_em->persist($order);
+        $this->_em->persist($orderProduct);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $order->orderProducts->count();
+
+        $reference = $this->_em->getReference(GH10868Offer::class, [
+            'shop' => $shop->id,
+            'id' => $offer->id,
+        ]);
+
+        $orderProductFromOrder = $order->orderProducts->first();
+
+        self::assertSame($reference, $orderProductFromOrder->productOffer);
+    }
+}
+
+/**
+ * @ORM\Entity
+ */
+class GH10868Order
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     * @ORM\Column(type="integer")
+     *
+     * @var ?int
+     */
+    public $id;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="GH10868Shop")
+     * @ORM\JoinColumn(name="shop_id", referencedColumnName="id", nullable=false)
+     *
+     * @var GH10868Shop
+     */
+    public $shop;
+
+    /**
+     * @ORM\OneToMany(targetEntity="GH10868OrderProduct", mappedBy="order")
+     *
+     * @var GH10868OrderProduct
+     */
+    public $orderProducts;
+
+    public function __construct()
+    {
+        $this->orderProducts = new ArrayCollection();
+    }
+}
+
+/**
+ * @ORM\Entity
+ */
+class GH10868OrderProduct
+{
+    /**
+     * @ORM\Id
+     * @ORM\Column(type="integer")
+     * @ORM\GeneratedValue(strategy="AUTO")
+     *
+     * @var int
+     */
+    protected $id;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="GH10868Order", inversedBy="orderProducts", fetch="EXTRA_LAZY")
+     * @ORM\JoinColumn(name="order_id", referencedColumnName="id")
+     *
+     * @var GH10868Order
+     */
+    public $order;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="GH10868Shop")
+     * @ORM\JoinColumn(name="shop_id", referencedColumnName="id")
+     *
+     * @var GH10868Shop
+     */
+    public $shop;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="GH10868Offer", fetch="EXTRA_LAZY")
+     * @ORM\JoinColumns({
+     *     @ORM\JoinColumn(name="productoffer_id", referencedColumnName="id"),
+     *     @ORM\JoinColumn(name="shop_id", referencedColumnName="shop_id")
+     * })
+     *
+     * @var GH10868Offer
+     */
+    public $productOffer;
+}
+
+/**
+ * @ORM\Entity
+ */
+class GH10868Offer
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="NONE")
+     * @ORM\Column(type="bigint")
+     *
+     * @var ?int
+     */
+    public $id;
+
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="NONE")
+     * @ORM\ManyToOne(targetEntity="GH10868Shop")
+     * @ORM\JoinColumn(name="shop_id", referencedColumnName="id")
+     *
+     * @var GH10868Shop
+     */
+    protected $shop;
+
+    protected $name = 'Test';
+
+    public function __construct(?GH10868Shop $shop = null, ?int $id = null)
+    {
+        $this->shop = $shop;
+        $this->id   = $id;
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name): GH10868Offer
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+}
+
+/**
+ * @ORM\Entity
+ */
+class GH10868Shop
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     * @ORM\Column(type="integer")
+     *
+     * @var ?int
+     */
+    public $id;
+}