M3: Reorder + Inspiration – Schritt 1 (Logik): Reorder-UseCase, Inspiration-Query (ADR-006), Adopt-UseCase + Unit-Tests

2026-09-19 15:57:13 +02:00
parent ce77785003
commit 52a34225fa
11 changed files with 686 additions and 0 deletions
@@ -0,0 +1,107 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Unit\Logic\Essen\UseCase;
+
+use App\Logic\Common\EventDispatcherInterface;
+use App\Logic\Common\TransactionManagerInterface;
+use App\Logic\Essen\Dto\MahlzeitReorderRequest;
+use App\Logic\Essen\Event\MahlzeitReorderedEvent;
+use App\Logic\Essen\Exception\MahlzeitNotFoundException;
+use App\Logic\Essen\Manager\MahlzeitManagerInterface;
+use App\Logic\Essen\Model\Mahlzeit;
+use App\Logic\Essen\Model\MahlzeitStatus;
+use App\Logic\Essen\UseCase\MahlzeitReorderUseCase;
+use PHPUnit\Framework\TestCase;
+
+final class MahlzeitReorderUseCaseTest extends TestCase
+{
+    private function tx(): TransactionManagerInterface
+    {
+        $tx = $this->createStub(TransactionManagerInterface::class);
+        $tx->method('execute')->willReturnCallback(static fn (\Closure $work): mixed => $work());
+        return $tx;
+    }
+
+    private function mahlzeit(int $id, int $sortOrder): Mahlzeit
+    {
+        $jetzt = new \DateTimeImmutable('2026-09-18 12:00:00');
+        return new Mahlzeit($id, 'Gericht' . $id, '', [], $sortOrder, MahlzeitStatus::Geplant, $jetzt, $jetzt, null);
+    }
+
+    public function testExecuteRenommertSortOrderUndDispatchtEvent(): void
+    {
+        $manager = $this->createMock(MahlzeitManagerInterface::class);
+        $manager->method('find')->willReturnMap([
+            [2, $this->mahlzeit(2, 2)],
+            [1, $this->mahlzeit(1, 1)],
+            [3, $this->mahlzeit(3, 3)],
+        ]);
+
+        $gespeicherte = [];
+        $manager->expects(self::exactly(2))->method('update')->willReturnCallback(function (Mahlzeit $m) use (&$gespeicherte) {
+            $gespeicherte[$m->id] = $m->sortOrder;
+            return $m;
+        });
+
+        $events = $this->createMock(EventDispatcherInterface::class);
+        $events->expects(self::once())->method('dispatch')->with(
+            self::equalTo(new MahlzeitReorderedEvent([2, 1, 3])),
+        );
+
+        $useCase = new MahlzeitReorderUseCase($this->tx(), $manager, $events);
+        $useCase->execute(new MahlzeitReorderRequest([2, 1, 3]));
+
+        // id 2 → Position 1, id 1 → Position 2; id 3 (Position 3) bleibt unverändert.
+        self::assertSame([2 => 1, 1 => 2], $gespeicherte);
+    }
+
+    public function testExecuteSpruengtBereitsKorrektePosition(): void
+    {
+        $manager = $this->createMock(MahlzeitManagerInterface::class);
+        $manager->method('find')->willReturnMap([
+            [1, $this->mahlzeit(1, 1)],
+            [2, $this->mahlzeit(2, 2)],
+        ]);
+        $manager->expects(self::never())->method('update');
+
+        $events = $this->createMock(EventDispatcherInterface::class);
+        $events->expects(self::once())->method('dispatch');
+
+        $useCase = new MahlzeitReorderUseCase($this->tx(), $manager, $events);
+        $useCase->execute(new MahlzeitReorderRequest([1, 2]));
+    }
+
+    public function testExecuteLeereListeIstNoOp(): void
+    {
+        $manager = $this->createMock(MahlzeitManagerInterface::class);
+        $manager->expects(self::never())->method('find');
+        $manager->expects(self::never())->method('update');
+
+        $events = $this->createMock(EventDispatcherInterface::class);
+        $events->expects(self::never())->method('dispatch');
+
+        $useCase = new MahlzeitReorderUseCase($this->tx(), $manager, $events);
+        $useCase->execute(new MahlzeitReorderRequest([]));
+    }
+
+    public function testExecuteUnbekannteIdWirft404(): void
+    {
+        $manager = $this->createStub(MahlzeitManagerInterface::class);
+        $manager->method('find')->willThrowException(new MahlzeitNotFoundException(99));
+
+        $events = $this->createMock(EventDispatcherInterface::class);
+        $events->expects(self::never())->method('dispatch');
+
+        $useCase = new MahlzeitReorderUseCase($this->tx(), $manager, $events);
+
+        $this->expectException(MahlzeitNotFoundException::class);
+
+        try {
+            $useCase->execute(new MahlzeitReorderRequest([99]));
+        } finally {
+            // Erwartete Exception oben.
+        }
+    }
+}