first commit

tests/Post/PostConcurrentUpdateIntegrationTest.php

@@ -0,0 +1,66 @@
+<?php
+declare(strict_types=1);
+
+namespace Tests\Post;
+
+use App\Post\Post;
+use App\Post\PostRepository;
+use App\Post\PostRepositoryInterface;
+use App\Post\PostService;
+use App\Shared\Database\Migrator;
+use App\Shared\Exception\NotFoundException;
+use App\Shared\Html\HtmlSanitizerInterface;
+use PDO;
+use PHPUnit\Framework\TestCase;
+
+final class PostConcurrentUpdateIntegrationTest extends TestCase
+{
+    private PDO $db;
+
+    protected function setUp(): void
+    {
+        $this->db = new PDO('sqlite::memory:', options: [
+            PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+        ]);
+        $this->db->sqliteCreateFunction('strip_tags', 'strip_tags', 1);
+        Migrator::run($this->db);
+
+        $this->db->exec("INSERT INTO users (id, username, email, password_hash, role, created_at) VALUES (1, 'alice', 'alice@example.com', 'hash', 'user', '2024-01-01 00:00:00')");
+        $this->db->exec("INSERT INTO posts (id, title, content, slug, author_id, created_at, updated_at) VALUES (1, 'Titre', '<p>Contenu</p>', 'titre', 1, '2024-01-01 00:00:00', '2024-01-01 00:00:00')");
+    }
+
+    public function testUpdatePostThrowsWhenRowDisappearsBetweenReadAndWrite(): void
+    {
+        $realRepo = new PostRepository($this->db);
+        $repo = new class($realRepo) implements PostRepositoryInterface {
+            private bool $deleted = false;
+            public function __construct(private readonly PostRepository $inner) {}
+            public function findAll(?int $categoryId = null): array { return $this->inner->findAll($categoryId); }
+            public function findRecent(int $limit): array { return $this->inner->findRecent($limit); }
+            public function findByUserId(int $userId, ?int $categoryId = null): array { return $this->inner->findByUserId($userId, $categoryId); }
+            public function findBySlug(string $slug): ?Post { return $this->inner->findBySlug($slug); }
+            public function findById(int $id): ?Post { return $this->inner->findById($id); }
+            public function create(Post $post, string $slug, int $authorId, ?int $categoryId): int { return $this->inner->create($post, $slug, $authorId, $categoryId); }
+            public function update(int $id, Post $post, string $slug, ?int $categoryId): int {
+                if (!$this->deleted) {
+                    $this->deleted = true;
+                    $this->inner->delete($id);
+                }
+                return $this->inner->update($id, $post, $slug, $categoryId);
+            }
+            public function delete(int $id): int { return $this->inner->delete($id); }
+            public function search(string $query, ?int $categoryId = null, ?int $authorId = null): array { return $this->inner->search($query, $categoryId, $authorId); }
+            public function slugExists(string $slug, ?int $excludeId = null): bool { return $this->inner->slugExists($slug, $excludeId); }
+        };
+
+        $sanitizer = new class implements HtmlSanitizerInterface {
+            public function sanitize(string $html): string { return $html; }
+        };
+
+        $service = new PostService($repo, $sanitizer);
+
+        $this->expectException(NotFoundException::class);
+        $service->updatePost(1, 'Titre modifié', '<p>Contenu modifié</p>');
+    }
+}