1 files changed, 187 insertions, 0 deletions
diff --git a/packages/backend/test/misc/noOpCaches.ts b/packages/backend/test/misc/noOpCaches.ts
new file mode 100644
index 0000000000..f3cc1e2ba2
--- /dev/null
+++ b/packages/backend/test/misc/noOpCaches.ts
@@ -0,0 +1,187 @@
+/*
+ * SPDX-FileCopyrightText: hazelnoot and other Sharkey contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import * as Redis from 'ioredis';
+import { Inject } from '@nestjs/common';
+import { FakeInternalEventService } from './FakeInternalEventService.js';
+import type { BlockingsRepository, FollowingsRepository, MiUser, MutingsRepository, RenoteMutingsRepository, UserProfilesRepository, UsersRepository } from '@/models/_.js';
+import type { MiLocalUser } from '@/models/User.js';
+import { MemoryKVCache, MemorySingleCache, RedisKVCache, RedisSingleCache } from '@/misc/cache.js';
+import { QuantumKVCache, QuantumKVOpts } from '@/misc/QuantumKVCache.js';
+import { CacheService, FollowStats } from '@/core/CacheService.js';
+import { DI } from '@/di-symbols.js';
+import { UserEntityService } from '@/core/entities/UserEntityService.js';
+import { InternalEventService } from '@/core/InternalEventService.js';
+
+export function noOpRedis() {
+	return {
+		set: () => Promise.resolve(),
+		get: () => Promise.resolve(null),
+		del: () => Promise.resolve(),
+		on: () => {},
+		off: () => {},
+	} as unknown as Redis.Redis;
+}
+
+export class NoOpCacheService extends CacheService {
+	public readonly fakeRedis: {
+		[K in keyof Redis.Redis]: Redis.Redis[K];
+	};
+	public readonly fakeInternalEventService: FakeInternalEventService;
+
+	constructor(
+		@Inject(DI.usersRepository)
+		usersRepository: UsersRepository,
+
+		@Inject(DI.userProfilesRepository)
+		userProfilesRepository: UserProfilesRepository,
+
+		@Inject(DI.mutingsRepository)
+		mutingsRepository: MutingsRepository,
+
+		@Inject(DI.blockingsRepository)
+		blockingsRepository: BlockingsRepository,
+
+		@Inject(DI.renoteMutingsRepository)
+		renoteMutingsRepository: RenoteMutingsRepository,
+
+		@Inject(DI.followingsRepository)
+		followingsRepository: FollowingsRepository,
+
+		@Inject(UserEntityService)
+		userEntityService: UserEntityService,
+	) {
+		const fakeRedis = noOpRedis();
+		const fakeInternalEventService = new FakeInternalEventService();
+
+		super(
+			fakeRedis,
+			fakeRedis,
+			usersRepository,
+			userProfilesRepository,
+			mutingsRepository,
+			blockingsRepository,
+			renoteMutingsRepository,
+			followingsRepository,
+			userEntityService,
+			fakeInternalEventService,
+		);
+
+		this.fakeRedis = fakeRedis;
+		this.fakeInternalEventService = fakeInternalEventService;
+
+		// Override caches
+		this.userByIdCache = new NoOpMemoryKVCache<MiUser>();
+		this.localUserByNativeTokenCache = new NoOpMemoryKVCache<MiLocalUser | null>();
+		this.localUserByIdCache = new NoOpMemoryKVCache<MiLocalUser>();
+		this.uriPersonCache = new NoOpMemoryKVCache<MiUser | null>();
+		this.userProfileCache = NoOpQuantumKVCache.copy(this.userProfileCache, fakeInternalEventService);
+		this.userMutingsCache = NoOpQuantumKVCache.copy(this.userMutingsCache, fakeInternalEventService);
+		this.userBlockingCache = NoOpQuantumKVCache.copy(this.userBlockingCache, fakeInternalEventService);
+		this.userBlockedCache = NoOpQuantumKVCache.copy(this.userBlockedCache, fakeInternalEventService);
+		this.renoteMutingsCache = NoOpQuantumKVCache.copy(this.renoteMutingsCache, fakeInternalEventService);
+		this.userFollowingsCache = NoOpQuantumKVCache.copy(this.userFollowingsCache, fakeInternalEventService);
+		this.userFollowersCache = NoOpQuantumKVCache.copy(this.userFollowersCache, fakeInternalEventService);
+		this.hibernatedUserCache = NoOpQuantumKVCache.copy(this.hibernatedUserCache, fakeInternalEventService);
+		this.userFollowStatsCache = new NoOpMemoryKVCache<FollowStats>();
+		this.translationsCache = NoOpRedisKVCache.copy(this.translationsCache, fakeRedis);
+	}
+}
+
+export class NoOpMemoryKVCache<T> extends MemoryKVCache<T> {
+	constructor() {
+		super(-1);
+	}
+}
+
+export class NoOpMemorySingleCache<T> extends MemorySingleCache<T> {
+	constructor() {
+		super(-1);
+	}
+}
+
+export class NoOpRedisKVCache<T> extends RedisKVCache<T> {
+	constructor(opts?: {
+		redis?: Redis.Redis;
+		fetcher?: RedisKVCache<T>['fetcher'];
+		toRedisConverter?: RedisKVCache<T>['toRedisConverter'];
+		fromRedisConverter?: RedisKVCache<T>['fromRedisConverter'];
+	}) {
+		super(
+			opts?.redis ?? noOpRedis(),
+			'no-op',
+			{
+				lifetime: -1,
+				memoryCacheLifetime: -1,
+				fetcher: opts?.fetcher,
+				toRedisConverter: opts?.toRedisConverter,
+				fromRedisConverter: opts?.fromRedisConverter,
+			},
+		);
+	}
+
+	public static copy<T>(cache: RedisKVCache<T>, redis?: Redis.Redis): NoOpRedisKVCache<T> {
+		return new NoOpRedisKVCache<T>({
+			redis,
+			fetcher: cache.fetcher,
+			toRedisConverter: cache.toRedisConverter,
+			fromRedisConverter: cache.fromRedisConverter,
+		});
+	}
+}
+
+export class NoOpRedisSingleCache<T> extends RedisSingleCache<T> {
+	constructor(opts?: {
+		redis?: Redis.Redis;
+		fetcher?: RedisSingleCache<T>['fetcher'];
+		toRedisConverter?: RedisSingleCache<T>['toRedisConverter'];
+		fromRedisConverter?: RedisSingleCache<T>['fromRedisConverter'];
+	}) {
+		super(
+			opts?.redis ?? noOpRedis(),
+			'no-op',
+			{
+				lifetime: -1,
+				memoryCacheLifetime: -1,
+				fetcher: opts?.fetcher,
+				toRedisConverter: opts?.toRedisConverter,
+				fromRedisConverter: opts?.fromRedisConverter,
+			},
+		);
+	}
+
+	public static copy<T>(cache: RedisSingleCache<T>, redis?: Redis.Redis): NoOpRedisSingleCache<T> {
+		return new NoOpRedisSingleCache<T>({
+			redis,
+			fetcher: cache.fetcher,
+			toRedisConverter: cache.toRedisConverter,
+			fromRedisConverter: cache.fromRedisConverter,
+		});
+	}
+}
+
+export class NoOpQuantumKVCache<T> extends QuantumKVCache<T> {
+	constructor(opts: Omit<QuantumKVOpts<T>, 'lifetime'> & {
+		internalEventService?: InternalEventService,
+	}) {
+		super(
+			opts.internalEventService ?? new FakeInternalEventService(),
+			'no-op',
+			{
+				...opts,
+				lifetime: -1,
+			},
+		);
+	}
+
+	public static copy<T>(cache: QuantumKVCache<T>, internalEventService?: InternalEventService): NoOpQuantumKVCache<T> {
+		return new NoOpQuantumKVCache<T>({
+			internalEventService,
+			fetcher: cache.fetcher,
+			bulkFetcher: cache.bulkFetcher,
+			onChanged: cache.onChanged,
+		});
+	}
+}