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Typescript: Testing class with jest mock and typescript-ioc container save/restore
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| import { Container, Snapshot } from 'typescript-ioc' | |
| import { MyController } from '../../src/controllers/my' | |
| import { MyService } from '../../src/services/my' | |
| describe('MyController()', () => { | |
| let snapshot!: Snapshot; | |
| beforeEach(function () { | |
| snapshot = Container.snapshot(); | |
| }); | |
| afterEach(function () { | |
| snapshot.restore(); | |
| }); | |
| it('it return a ...', async () => { | |
| const expected = { ... } | |
| Container.bind(MyService).factory(jest.fn(() => ({ | |
| get: () => expected | |
| }))) | |
| const service = new MyController() | |
| const actual = await service.get() | |
| expect(actual).toStrictEqual(expected) | |
| }) | |
| }) |
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