Reproducer for parent as ID

tests/Fixture/Entity/EdgeCases/ManyToOneWithParentAsId/InverseSide.php

@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the zenstruck/foundry package.
+ *
+ * (c) Kevin Bond <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\ManyToOneWithParentAsId;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @author Nicolas PHILIPPE <[email protected]>
+ */
+#[ORM\Entity]
+#[ORM\Table('many_to_one_with_parent_as_id_inverse')]
+class InverseSide implements \Stringable
+{
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column(type: Types::INTEGER, options: ['unsigned' => true])]
+    public ?int $id = null;
+
+    #[ORM\Column(nullable: true)]
+    public ?string $parentName = null;
+
+    /** @var Collection<int,OwningSide> */
+    #[ORM\OneToMany(targetEntity: OwningSide::class, mappedBy: 'inverseSide', cascade: ['persist'])]
+    public Collection $owningSides;
+
+    public function __construct()
+    {
+        $this->owningSides = new ArrayCollection();
+    }
+
+    #[\Override]
+    public function __toString(): string
+    {
+        return (string) $this->id;
+    }
+}

tests/Fixture/Entity/EdgeCases/ManyToOneWithParentAsId/OwningSide.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the zenstruck/foundry package.
+ *
+ * (c) Kevin Bond <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\ManyToOneWithParentAsId;
+
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * @author Nicolas PHILIPPE <[email protected]>
+ */
+#[ORM\Entity]
+#[ORM\Table('many_to_one_with_parent_as_id')]
+class OwningSide
+{
+    #[ORM\Id]
+    #[ORM\ManyToOne(cascade: ['persist'], inversedBy: 'owningSides')]
+    #[ORM\JoinColumn(name: 'parent_id', referencedColumnName: 'id', onDelete: 'cascade')]
+    public InverseSide $inverseSide;
+
+    #[ORM\Column(nullable: true)]
+    public ?string $childName = null;
+}

tests/Integration/ORM/EdgeCasesRelationshipTest.php

@@ -14,6 +14,7 @@
 namespace Zenstruck\Foundry\Tests\Integration\ORM;
 
 use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\EntityManagerInterface;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\Attributes\IgnorePhpunitWarnings;
 use PHPUnit\Framework\Attributes\RequiresPhpunit;
@@ -23,6 +24,7 @@
 use Zenstruck\Foundry\Test\ResetDatabase;
 use Zenstruck\Foundry\Tests\Fixture\DoctrineCascadeRelationship\ChangesEntityRelationshipCascadePersist;
 use Zenstruck\Foundry\Tests\Fixture\DoctrineCascadeRelationship\UsingRelationships;
+use Zenstruck\Foundry\Tests\Fixture\Entity\Address;
 use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\IndexedOneToMany;
 use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\InversedOneToOneWithManyToOne;
 use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\InversedOneToOneWithNonNullableOwning;
@@ -31,12 +33,14 @@
 use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\InversedOneToOneWithoutNullable;
 use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\InversedOneToOneWithSetter;
 use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\ManyToOneToSelfReferencing;
+use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\ManyToOneWithParentAsId;
 use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\ManyToOneWithAutoGeneratedUlid;
 use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\OneToManyWithUnionType;
 use Zenstruck\Foundry\Tests\Fixture\Entity\EdgeCases\RichDomainMandatoryRelationship;
 use Zenstruck\Foundry\Tests\Fixture\Factories\Entity\EdgeCases\MultipleMandatoryRelationshipToSameEntity;
 use Zenstruck\Foundry\Tests\Integration\RequiresORM;
 
+use function Zenstruck\Foundry\faker;
 use function Zenstruck\Foundry\Persistence\persistent_factory;
 
 /**
@@ -50,6 +54,13 @@ final class EdgeCasesRelationshipTest extends KernelTestCase
     // PHPUnit triggers a warning, which we ignore with #[IgnorePhpunitWarnings]
     public const DATA_PROVIDER_WARNING_REGEX = 'Data set "(.)*" provided by Zenstruck(.)*::provideCascadeRelationshipsCombinations has more arguments \(\d\) than the test method accepts \(0\)';
 
+    private EntityManagerInterface $entityManager;
+
+    protected function setUp(): void
+    {
+        $this->entityManager = self::getContainer()->get(EntityManagerInterface::class); // @phpstan-ignore assign.propertyType
+    }
+
     /** @test */
     #[Test]
     #[DataProvider('provideCascadeRelationshipsCombinations')]
@@ -150,6 +161,29 @@ public function many_to_many_to_self_referencing_inverse_side(): void
         $inverseSideFactory::assert()->count(1);
     }
 
+    /** @test */
+    #[Test]
+    public function many_to_one_with_parent_as_id(): void
+    {
+        $owningSideFactory = persistent_factory(ManyToOneWithParentAsId\OwningSide::class);
+        $inverseSideFactory = persistent_factory(ManyToOneWithParentAsId\InverseSide::class);
+
+        $child = $owningSideFactory->create([
+            'inverseSide' => $inverseSideFactory,
+            'childName'   => faker()->name(),
+        ]);
+
+        // child has same ID as parent
+        $childId = $child->inverseSide->id;
+
+        $childEntity = $this->entityManager->getRepository(ManyToOneWithParentAsId\OwningSide::class)->find($childId);
+        self::assertInstanceOf(ManyToOneWithParentAsId\OwningSide::class, $childEntity);
+        self::assertSame($childEntity->childName, $child->childName);
+
+        $owningSideFactory::assert()->count(1);
+        $inverseSideFactory::assert()->count(1);
+    }
+
     /** @test */
     #[Test]
     #[DataProvider('provideCascadeRelationshipsCombinations')]