integration tests

adapters/rating/persistence/inmemory/InMemoryRatingRepository.ts

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+/**
+ * In-Memory Rating Repository
+ *
+ * In-memory implementation of RatingRepository for testing purposes.
+ */
+
+import { RatingRepository } from '../../../../core/rating/ports/RatingRepository';
+import { Rating } from '../../../../core/rating/domain/Rating';
+
+export class InMemoryRatingRepository implements RatingRepository {
+  private ratings: Map<string, Rating> = new Map();
+
+  async save(rating: Rating): Promise<void> {
+    const key = `${rating.driverId.toString()}-${rating.raceId.toString()}`;
+    this.ratings.set(key, rating);
+  }
+
+  async findByDriverAndRace(driverId: string, raceId: string): Promise<Rating | null> {
+    const key = `${driverId}-${raceId}`;
+    return this.ratings.get(key) || null;
+  }
+
+  async findByDriver(driverId: string): Promise<Rating[]> {
+    return Array.from(this.ratings.values()).filter(
+      rating => rating.driverId.toString() === driverId
+    );
+  }
+
+  async findByRace(raceId: string): Promise<Rating[]> {
+    return Array.from(this.ratings.values()).filter(
+      rating => rating.raceId.toString() === raceId
+    );
+  }
+
+  async clear(): Promise<void> {
+    this.ratings.clear();
+  }
+}