From 7839d413c247a396c221b96571b43921332caac4 Mon Sep 17 00:00:00 2001
From: Application-drop-up <msts.oo0131@gmail.com>
Date: Sun, 16 Aug 2026 20:38:09 +0900
Subject: [PATCH 1/2] feat: add RemoveFavoriteUseCase

---
 .../UseCase/Favorite/RemoveFavoriteUseCase.php  | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/app/Packages/Features/CommandUseCases/UseCase/Favorite/RemoveFavoriteUseCase.php

diff --git a/src/app/Packages/Features/CommandUseCases/UseCase/Favorite/RemoveFavoriteUseCase.php b/src/app/Packages/Features/CommandUseCases/UseCase/Favorite/RemoveFavoriteUseCase.php
new file mode 100644
index 00000000..dee77098
--- /dev/null
+++ b/src/app/Packages/Features/CommandUseCases/UseCase/Favorite/RemoveFavoriteUseCase.php
@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Packages\Features\CommandUseCases\UseCase\Favorite;
+
+use App\Packages\Domains\Favorite\Interface\FavoriteRepositoryInterface;
+
+final class RemoveFavoriteUseCase
+{
+    public function __construct(
+        private readonly FavoriteRepositoryInterface $favoriteRepository,
+    ) {}
+
+    public function handle(int $userId, int $worldHeritageSiteId): void
+    {
+        $this->favoriteRepository->removeFavorite($userId, $worldHeritageSiteId);
+    }
+}

From 7f1caa62d6ca6d9f51a3eee15de5f6480288e648 Mon Sep 17 00:00:00 2001
From: Application-drop-up <msts.oo0131@gmail.com>
Date: Sun, 16 Aug 2026 20:38:09 +0900
Subject: [PATCH 2/2] test: cover RemoveFavoriteUseCase

---
 .../RemoveFavoriteUseCaseTest.php             | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 src/app/Packages/Features/Tests/CommandUseCases/RemoveFavoriteUseCaseTest.php

diff --git a/src/app/Packages/Features/Tests/CommandUseCases/RemoveFavoriteUseCaseTest.php b/src/app/Packages/Features/Tests/CommandUseCases/RemoveFavoriteUseCaseTest.php
new file mode 100644
index 00000000..037c4e27
--- /dev/null
+++ b/src/app/Packages/Features/Tests/CommandUseCases/RemoveFavoriteUseCaseTest.php
@@ -0,0 +1,46 @@
+<?php
+
+namespace App\Packages\Features\Tests\CommandUseCases;
+
+use App\Packages\Domains\Favorite\Interface\FavoriteRepositoryInterface;
+use App\Packages\Features\CommandUseCases\UseCase\Favorite\RemoveFavoriteUseCase;
+use Exception;
+use Mockery;
+use Mockery\MockInterface;
+use PHPUnit\Framework\TestCase;
+
+class RemoveFavoriteUseCaseTest extends TestCase
+{
+    protected function tearDown(): void
+    {
+        Mockery::close();
+        parent::tearDown();
+    }
+
+    #[\PHPUnit\Framework\Attributes\DoesNotPerformAssertions]
+    public function test_handle_calls_repository_removeFavorite_with_given_ids(): void
+    {
+        /** @var FavoriteRepositoryInterface|MockInterface $repository */
+        $repository = Mockery::mock(FavoriteRepositoryInterface::class);
+        $repository->shouldReceive('removeFavorite')
+            ->once()
+            ->with(1, 2);
+
+        (new RemoveFavoriteUseCase($repository))->handle(1, 2);
+    }
+
+    public function test_handle_propagates_exception_when_user_not_found(): void
+    {
+        /** @var FavoriteRepositoryInterface|MockInterface $repository */
+        $repository = Mockery::mock(FavoriteRepositoryInterface::class);
+        $repository->shouldReceive('removeFavorite')
+            ->once()
+            ->with(999999, 2)
+            ->andThrow(new Exception('User not found.'));
+
+        $this->expectException(Exception::class);
+        $this->expectExceptionMessage('User not found.');
+
+        (new RemoveFavoriteUseCase($repository))->handle(999999, 2);
+    }
+}