immich/mobile/test/infrastructure/repositories/merged_asset_drift_test.dart

import 'package:drift/drift.dart';
import 'package:drift/native.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
import 'package:immich_mobile/domain/models/timeline.model.dart';
import 'package:immich_mobile/infrastructure/entities/remote_asset.entity.drift.dart';
import 'package:immich_mobile/infrastructure/entities/user.entity.drift.dart';
import 'package:immich_mobile/infrastructure/repositories/db.repository.dart';

void main() {
  late Drift db;

  setUp(() {
    db = Drift(DatabaseConnection(NativeDatabase.memory(), closeStreamsSynchronously: true));
  });

  tearDown(() async {
    await db.close();
  });

  test('mergedBucket falls back to createdAt when localDateTime is null', () async {
    const userId = 'user-1';
    final createdAt = DateTime(2024, 1, 1, 12);

    await db
        .into(db.userEntity)
        .insert(UserEntityCompanion.insert(id: userId, email: 'user-1@test.dev', name: 'User 1'));

    await db
        .into(db.remoteAssetEntity)
        .insert(
          RemoteAssetEntityCompanion.insert(
            id: 'asset-1',
            name: 'asset-1.jpg',
            type: AssetType.image,
            checksum: 'checksum-1',
            ownerId: userId,
            visibility: AssetVisibility.timeline,
            createdAt: Value(createdAt),
            updatedAt: Value(createdAt),
            localDateTime: const Value(null),
          ),
        );

    final buckets = await db.mergedAssetDrift.mergedBucket(groupBy: GroupAssetsBy.day.index, userIds: [userId]).get();

    expect(buckets, hasLength(1));
    expect(buckets.single.assetCount, 1);
    expect(buckets.single.bucketDate, isNotEmpty);
  });
}