Failed getting entity with fetch eager property

tests/Doctrine/Tests/Models/AbstractFetchEager/WithFetchEager/AbstractRemoveControl.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\Models\AbstractFetchEager\WithFetchEager;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity()
+ * @ORM\InheritanceType("SINGLE_TABLE")
+ * @ORM\DiscriminatorColumn(name="type", type="string")
+ * @ORM\DiscriminatorMap({"mobile"="MobileRemoteControl"})
+ * @ORM\Table(name="test_control")
+ */
+abstract class AbstractRemoveControl
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     * @ORM\Column(type="integer")
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * /**
+     *
+     * @ORM\Column(type="string")
+     *
+     * @var string
+     */
+    public $name;
+
+    /**
+     * @ORM\OneToMany(targetEntity="User", mappedBy="remoteControl", fetch="EAGER")
+     *
+     * @var Collection<User>
+     */
+    public $users;
+
+    public function __construct(string $name)
+    {
+        $this->name  = $name;
+        $this->users = new ArrayCollection();
+    }
+}

tests/Doctrine/Tests/Models/AbstractFetchEager/WithFetchEager/MobileRemoteControl.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\Models\AbstractFetchEager\WithFetchEager;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity()
+ */
+class MobileRemoteControl extends AbstractRemoveControl
+{
+}

tests/Doctrine/Tests/Models/AbstractFetchEager/WithFetchEager/User.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\Models\AbstractFetchEager\WithFetchEager;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity()
+ * @ORM\Table(name="test_user")
+ */
+class User
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     * @ORM\Column(type="integer")
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="AbstractRemoveControl", inversedBy="users")
+     * @ORM\JoinColumn(nullable=false)
+     *
+     * @var AbstractRemoveControl
+     */
+    public $remoteControl;
+
+    public function __construct(AbstractRemoveControl $control)
+    {
+        $this->remoteControl = $control;
+    }
+}

tests/Doctrine/Tests/Models/AbstractFetchEager/WithoutFetchEager/AbstractRemoveControl.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\Models\AbstractFetchEager\WithoutFetchEager;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity()
+ * @ORM\InheritanceType("SINGLE_TABLE")
+ * @ORM\DiscriminatorColumn(name="type", type="string")
+ * @ORM\DiscriminatorMap({"mobile"="MobileRemoteControl"})
+ * @ORM\Table(name="test_control")
+ */
+abstract class AbstractRemoveControl
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     * @ORM\Column(type="integer")
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * /**
+     *
+     * @ORM\Column(type="string")
+     *
+     * @var string
+     */
+    public $name;
+
+    /**
+     * @ORM\OneToMany(targetEntity="User", mappedBy="remoteControl")
+     *
+     * @var Collection<User>
+     */
+    public $users;
+
+    public function __construct(string $name)
+    {
+        $this->name  = $name;
+        $this->users = new ArrayCollection();
+    }
+}

tests/Doctrine/Tests/Models/AbstractFetchEager/WithoutFetchEager/MobileRemoteControl.php

@@ -0,0 +1,14 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\Models\AbstractFetchEager\WithoutFetchEager;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity()
+ */
+class MobileRemoteControl extends AbstractRemoveControl
+{
+}

tests/Doctrine/Tests/Models/AbstractFetchEager/WithoutFetchEager/User.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\Models\AbstractFetchEager\WithoutFetchEager;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @ORM\Entity()
+ * @ORM\Table(name="test_user")
+ */
+class User
+{
+    /**
+     * @ORM\Id
+     * @ORM\GeneratedValue
+     * @ORM\Column(type="integer")
+     *
+     * @var int
+     */
+    public $id;
+
+    /**
+     * @ORM\ManyToOne(targetEntity="AbstractRemoveControl", inversedBy="users")
+     * @ORM\JoinColumn(nullable=false)
+     *
+     * @var AbstractRemoveControl
+     */
+    public $remoteControl;
+
+    public function __construct(AbstractRemoveControl $control)
+    {
+        $this->remoteControl = $control;
+    }
+}

tests/Doctrine/Tests/ORM/Functional/AbstractFetchEagerTest.php

@@ -0,0 +1,58 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Doctrine\Tests\ORM\Functional;
+
+use Doctrine\Tests\Models\AbstractFetchEager\WithFetchEager\AbstractRemoveControl;
+use Doctrine\Tests\Models\AbstractFetchEager\WithFetchEager\MobileRemoteControl;
+use Doctrine\Tests\Models\AbstractFetchEager\WithFetchEager\User;
+use Doctrine\Tests\Models\AbstractFetchEager\WithoutFetchEager\AbstractRemoveControl as AbstractRemoveControlWithoutFetchEager;
+use Doctrine\Tests\Models\AbstractFetchEager\WithoutFetchEager\MobileRemoteControl as MobileRemoteControlWithoutFetchEager;
+use Doctrine\Tests\Models\AbstractFetchEager\WithoutFetchEager\User as UserWithoutFetchEager;
+use Doctrine\Tests\OrmFunctionalTestCase;
+
+final class AbstractFetchEagerTest extends OrmFunctionalTestCase
+{
+    public function testWithAbstractFetchEager(): void
+    {
+        $this->createSchemaForModels(
+            AbstractRemoveControl::class,
+            User::class
+        );
+
+        $control = new MobileRemoteControl('smart');
+        $user    = new User($control);
+
+        $this->_em->persist($control);
+        $this->_em->persist($user);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $user = $this->_em->find(User::class, $user->id);
+
+        self::assertNotNull($user);
+        self::assertEquals('smart', $user->remoteControl->name);
+    }
+
+    public function testWithoutAbstractFetchEager(): void
+    {
+        $this->createSchemaForModels(
+            AbstractRemoveControlWithoutFetchEager::class,
+            UserWithoutFetchEager::class
+        );
+
+        $control = new MobileRemoteControlWithoutFetchEager('smart');
+        $user    = new UserWithoutFetchEager($control);
+
+        $this->_em->persist($control);
+        $this->_em->persist($user);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $user = $this->_em->find(UserWithoutFetchEager::class, $user->id);
+
+        self::assertNotNull($user);
+        self::assertEquals('smart', $user->remoteControl->name);
+    }
+}