109 lines
4.5 KiB
TypeScript
109 lines
4.5 KiB
TypeScript
process.env.NODE_ENV = 'test';
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import { jest } from '@jest/globals';
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import { ModuleMocker } from 'jest-mock';
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import { Test } from '@nestjs/testing';
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import { GlobalModule } from '@/GlobalModule.js';
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import { FetchInstanceMetadataService } from '@/core/FetchInstanceMetadataService.js';
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import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
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import { HttpRequestService } from '@/core/HttpRequestService.js';
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import { LoggerService } from '@/core/LoggerService.js';
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import { UtilityService } from '@/core/UtilityService.js';
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import { IdService } from '@/core/IdService.js';
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import { DI } from '@/di-symbols.js';
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import type { TestingModule } from '@nestjs/testing';
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import type { MockFunctionMetadata } from 'jest-mock';
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import { Redis } from 'ioredis'
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function mockRedis() {
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const hash = {};
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const set = jest.fn((key, value) => {
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const ret = hash[key];
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hash[key] = value;
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return ret;
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});
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return set;
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}
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describe('FetchInstanceMetadataService', () => {
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let app: TestingModule;
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let fetchInstanceMetadataService: jest.Mocked<FetchInstanceMetadataService>;
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let federatedInstanceService: jest.Mocked<FederatedInstanceService>;
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let httpRequestService: jest.Mocked<HttpRequestService>;
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let redisClient: jest.Mocked<Redis.Redis>;
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beforeAll(async () => {
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app = await Test
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.createTestingModule({
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imports: [
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GlobalModule,
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],
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providers: [
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FetchInstanceMetadataService,
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LoggerService,
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UtilityService,
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IdService,
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],
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})
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.useMocker((token) => {
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if (token === HttpRequestService) {
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return { getJson: jest.fn(), getHtml: jest.fn(), send: jest.fn(), };
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} else if (token === FederatedInstanceService) {
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return { fetch: jest.fn() };
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} else if (token === DI.redis) {
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return mockRedis;
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}})
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.compile();
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app.enableShutdownHooks();
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fetchInstanceMetadataService = app.get<FetchInstanceMetadataService>(FetchInstanceMetadataService);
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federatedInstanceService = app.get<FederatedInstanceService>(FederatedInstanceService) as jest.Mocked<FederatedInstanceService>;
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redisClient = app.get<Redis.Redis>(DI.redis) as jest.Mocked<Redis.Redis>;
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httpRequestService = app.get<HttpRequestService>(HttpRequestService) as jest.Mocked<HttpRequestService>;
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});
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afterAll(async () => {
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await app.close();
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});
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test('Lock and update', async () => {
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redisClient.set = mockRedis();
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const now = Date.now();
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federatedInstanceService.fetch.mockReturnValue({ infoUpdatedAt: { getTime: () => { return now - 10 * 1000 * 60 * 60 * 24; } } });
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httpRequestService.getJson.mockImplementation(() => { throw Error(); });
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const tryLockSpy = jest.spyOn(fetchInstanceMetadataService, 'tryLock');
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const unlockSpy = jest.spyOn(fetchInstanceMetadataService, 'unlock');
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await fetchInstanceMetadataService.fetchInstanceMetadata({ host: "example.com" });
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expect(tryLockSpy).toHaveBeenCalledTimes(1);
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expect(unlockSpy).toHaveBeenCalledTimes(1);
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expect(federatedInstanceService.fetch).toHaveBeenCalledTimes(1);
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expect(httpRequestService.getJson).toHaveBeenCalled();
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});
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test("Lock and don't update", async () => {
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redisClient.set = mockRedis();
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const now = Date.now();
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federatedInstanceService.fetch.mockReturnValue({ infoUpdatedAt: { getTime: () => now } });
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httpRequestService.getJson.mockImplementation(() => { throw Error(); });
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const tryLockSpy = jest.spyOn(fetchInstanceMetadataService, 'tryLock');
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const unlockSpy = jest.spyOn(fetchInstanceMetadataService, 'unlock');
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await fetchInstanceMetadataService.fetchInstanceMetadata({ host: "example.com" });
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expect(tryLockSpy).toHaveBeenCalledTimes(1);
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expect(unlockSpy).toHaveBeenCalledTimes(1);
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expect(federatedInstanceService.fetch).toHaveBeenCalledTimes(1);
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expect(httpRequestService.getJson).toHaveBeenCalledTimes(0);
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});
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test('Do nothing when lock not acquired', async () => {
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redisClient.set = mockRedis();
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federatedInstanceService.fetch.mockReturnValue({ infoUpdatedAt: { getTime: () => now - 10 * 1000 * 60 * 60 * 24 } });
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httpRequestService.getJson.mockImplementation(() => { throw Error(); });
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const tryLockSpy = jest.spyOn(fetchInstanceMetadataService, 'tryLock');
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const unlockSpy = jest.spyOn(fetchInstanceMetadataService, 'unlock');
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await fetchInstanceMetadataService.tryLock("example.com");
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await fetchInstanceMetadataService.fetchInstanceMetadata({ host: "example.com" });
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expect(tryLockSpy).toHaveBeenCalledTimes(2);
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expect(unlockSpy).toHaveBeenCalledTimes(0);
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expect(federatedInstanceService.fetch).toHaveBeenCalledTimes(0);
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expect(httpRequestService.getJson).toHaveBeenCalledTimes(0);
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});
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});
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