test element persistence

backend/tests/Feature/Element/EloquentElementRepositoryTest.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace Tests\Feature\Element;
+
+use App\Element\CreateElementDto;
+use App\Element\ElementRepository;
+use App\Set\CreateSetDto;
+use App\Set\Set;
+use App\Set\SetRepository;
+use App\Shared\ValueObject\EmailAddress;
+use App\User\CreateUserDto;
+use App\User\UserRepository;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class EloquentElementRepositoryTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function testItPersistsNestedElementsInSiblingOrder(): void
+    {
+        $set = $this->createSet('Bible');
+        $repository = app(ElementRepository::class);
+        $genesisBook = $repository->create(new CreateElementDto(
+            set: $set,
+            name: 'Genesis',
+            kind: 'book',
+            parentElement: null,
+        ));
+        $exodusBook = $repository->create(new CreateElementDto(
+            set: $set,
+            name: 'Exodus',
+            kind: 'book',
+            parentElement: null,
+        ));
+        $genesisPortion = $repository->create(new CreateElementDto(
+            set: $set,
+            name: 'Genesis',
+            kind: 'portion',
+            parentElement: $genesisBook,
+        ));
+        $noahPortion = $repository->create(new CreateElementDto(
+            set: $set,
+            name: 'Noah',
+            kind: 'portion',
+            parentElement: $genesisBook,
+        ));
+
+        $this->assertSame(1, $genesisBook->getPosition());
+        $this->assertSame(2, $exodusBook->getPosition());
+        $this->assertSame(1, $genesisPortion->getPosition());
+        $this->assertSame(2, $noahPortion->getPosition());
+        $this->assertDatabaseHas('elements', [
+            'id' => $genesisPortion->getId(),
+            'set_id' => $set->getId(),
+            'name' => 'Genesis',
+            'kind' => 'portion',
+            'parent_element_id' => $genesisBook->getId(),
+            'position' => 1,
+        ]);
+
+        $foundElement = $repository->find($noahPortion->getId());
+
+        $this->assertNotNull($foundElement);
+        $this->assertSame('Noah', $foundElement->getName());
+        $this->assertSame('portion', $foundElement->getKind());
+        $this->assertSame($set->getId(), $foundElement->getSet()->getId());
+        $this->assertSame(
+            $genesisBook->getId(),
+            $foundElement->getParentElement()?->getId(),
+        );
+    }
+
+    private function createSet(string $name): Set
+    {
+        $creator = app(UserRepository::class)->create(new CreateUserDto(
+            email: new EmailAddress(strtolower($name) . '@example.com'),
+            passwordHash: 'hashed-password',
+        ));
+
+        return app(SetRepository::class)->create(new CreateSetDto(
+            name: $name,
+            creator: $creator,
+        ));
+    }
+}