misskey/packages/backend/test/unit/MetaService.ts

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2022-09-20 21:58:32 +02:00
process.env.NODE_ENV = 'test';
import { jest } from '@jest/globals';
import { ModuleMocker } from 'jest-mock';
import { Test } from '@nestjs/testing';
import { GlobalModule } from '@/GlobalModule.js';
import type { MetasRepository } from '@/models/index.js';
import { DI } from '@/di-symbols.js';
import { MetaService } from '@/core/MetaService.js';
import { CoreModule } from '@/core/CoreModule.js';
import type { DataSource } from 'typeorm';
import type { TestingModule } from '@nestjs/testing';
import type { MockFunctionMetadata } from 'jest-mock';
const moduleMocker = new ModuleMocker(global);
describe('MetaService', () => {
let app: TestingModule;
let metaService: MetaService;
let metasRepository: MetasRepository;
beforeAll(async () => {
app = await Test.createTestingModule({
imports: [
GlobalModule,
CoreModule,
],
}).compile();
app.enableShutdownHooks();
metaService = app.get<MetaService>(MetaService, { strict: false });
metasRepository = app.get<MetasRepository>(DI.metasRepository, { strict: false });
});
afterAll(async () => {
await app.close();
});
it('fetch (cache)', async () => {
const db = app.get<DataSource>(DI.db);
const originalFunction = db.transaction;
const spy = jest.spyOn(db, 'transaction');
spy.mockImplementation((...args) => originalFunction(...args));
const result = await metaService.fetch();
expect(result.id).toBe('x');
expect(spy).toHaveBeenCalledTimes(0);
spy.mockRestore();
});
/*
it('fetch (force)', async () => {
const db = app.get<DataSource>(DI.db);
const originalFunction = db.transaction;
const spy = jest.spyOn(db, 'transaction');
// 何故かここで無限再帰する db.transaction がspyのままになっている
spy.mockImplementation((...args) => originalFunction(...args));
const result = await metaService.fetch(true);
expect(result.id).toBe('x');
expect(spy).toHaveBeenCalledTimes(1);
spy.mockRestore();
});*/
});