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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
process.env.NODE_ENV = 'test';
import { jest } from '@jest/globals';
import { Test } from '@nestjs/testing';
import { Redis } from 'ioredis';
import { GlobalModule } from '@/GlobalModule.js';
import { FetchInstanceMetadataService } from '@/core/FetchInstanceMetadataService.js';
import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
import { HttpRequestService } from '@/core/HttpRequestService.js';
import { LoggerService } from '@/core/LoggerService.js';
import { UtilityService } from '@/core/UtilityService.js';
import { IdService } from '@/core/IdService.js';
import { DI } from '@/di-symbols.js';
import type { TestingModule } from '@nestjs/testing';
function mockRedis() {
const hash = {} as any;
const set = jest.fn((key: string, value) => {
const ret = hash[key];
hash[key] = value;
return ret;
});
return set;
}
describe('FetchInstanceMetadataService', () => {
let app: TestingModule;
let fetchInstanceMetadataService: jest.Mocked<FetchInstanceMetadataService>;
let federatedInstanceService: jest.Mocked<FederatedInstanceService>;
let httpRequestService: jest.Mocked<HttpRequestService>;
let redisClient: jest.Mocked<Redis>;
beforeEach(async () => {
app = await Test
.createTestingModule({
imports: [
GlobalModule,
],
providers: [
FetchInstanceMetadataService,
LoggerService,
UtilityService,
IdService,
],
})
.useMocker((token) => {
if (token === HttpRequestService) {
return { getJson: jest.fn(), getHtml: jest.fn(), send: jest.fn() };
} else if (token === FederatedInstanceService) {
return { fetch: jest.fn() };
} else if (token === DI.redis) {
return mockRedis;
}
return null;
})
.compile();
app.enableShutdownHooks();
fetchInstanceMetadataService = app.get<FetchInstanceMetadataService>(FetchInstanceMetadataService) as jest.Mocked<FetchInstanceMetadataService>;
federatedInstanceService = app.get<FederatedInstanceService>(FederatedInstanceService) as jest.Mocked<FederatedInstanceService>;
redisClient = app.get<Redis>(DI.redis) as jest.Mocked<Redis>;
httpRequestService = app.get<HttpRequestService>(HttpRequestService) as jest.Mocked<HttpRequestService>;
});
afterEach(async () => {
await app.close();
});
test('Lock and update', async () => {
redisClient.set = mockRedis();
const now = Date.now();
federatedInstanceService.fetch.mockResolvedValue({ infoUpdatedAt: new Date(now - 10 * 1000 * 60 * 60 * 24) } as any);
httpRequestService.getJson.mockImplementation(() => { throw Error(); });
const tryLockSpy = jest.spyOn(fetchInstanceMetadataService, 'tryLock');
const unlockSpy = jest.spyOn(fetchInstanceMetadataService, 'unlock');
await fetchInstanceMetadataService.fetchInstanceMetadata({ host: 'example.com' } as any);
expect(federatedInstanceService.fetch).toHaveBeenCalledTimes(1);
expect(tryLockSpy).toHaveBeenCalledTimes(1);
expect(unlockSpy).toHaveBeenCalledTimes(1);
expect(httpRequestService.getJson).toHaveBeenCalled();
});
test('Don\'t lock and update if recently updated', async () => {
redisClient.set = mockRedis();
federatedInstanceService.fetch.mockResolvedValue({ infoUpdatedAt: new Date() } as any);
httpRequestService.getJson.mockImplementation(() => { throw Error(); });
const tryLockSpy = jest.spyOn(fetchInstanceMetadataService, 'tryLock');
const unlockSpy = jest.spyOn(fetchInstanceMetadataService, 'unlock');
await fetchInstanceMetadataService.fetchInstanceMetadata({ host: 'example.com' } as any);
expect(federatedInstanceService.fetch).toHaveBeenCalledTimes(1);
expect(tryLockSpy).toHaveBeenCalledTimes(0);
expect(unlockSpy).toHaveBeenCalledTimes(0);
expect(httpRequestService.getJson).toHaveBeenCalledTimes(0);
});
test('Do nothing when lock not acquired', async () => {
redisClient.set = mockRedis();
const now = Date.now();
federatedInstanceService.fetch.mockResolvedValue({ infoUpdatedAt: new Date(now - 10 * 1000 * 60 * 60 * 24) } as any);
httpRequestService.getJson.mockImplementation(() => { throw Error(); });
await fetchInstanceMetadataService.tryLock('example.com');
const tryLockSpy = jest.spyOn(fetchInstanceMetadataService, 'tryLock');
const unlockSpy = jest.spyOn(fetchInstanceMetadataService, 'unlock');
await fetchInstanceMetadataService.fetchInstanceMetadata({ host: 'example.com' } as any);
expect(federatedInstanceService.fetch).toHaveBeenCalledTimes(1);
expect(tryLockSpy).toHaveBeenCalledTimes(1);
expect(unlockSpy).toHaveBeenCalledTimes(0);
expect(httpRequestService.getJson).toHaveBeenCalledTimes(0);
});
test('Do when forced', async () => {
redisClient.set = mockRedis();
const now = Date.now();
federatedInstanceService.fetch.mockResolvedValue({ infoUpdatedAt: new Date(now - 10 * 1000 * 60 * 60 * 24) } as any);
httpRequestService.getJson.mockImplementation(() => { throw Error(); });
await fetchInstanceMetadataService.tryLock('example.com');
const tryLockSpy = jest.spyOn(fetchInstanceMetadataService, 'tryLock');
const unlockSpy = jest.spyOn(fetchInstanceMetadataService, 'unlock');
await fetchInstanceMetadataService.fetchInstanceMetadata({ host: 'example.com' } as any, true);
expect(federatedInstanceService.fetch).toHaveBeenCalledTimes(0);
expect(tryLockSpy).toHaveBeenCalledTimes(0);
expect(unlockSpy).toHaveBeenCalledTimes(1);
expect(httpRequestService.getJson).toHaveBeenCalled();
});
});
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