v5.2 Not Working with Nest TestModule about nestjs-typegoose HOT 3 CLOSED

Thanks for doing this. I will look into it soon.

from nestjs-typegoose.

I didn't really didn't explain how to unit test with nestjs-typegoose, so sorry about that. Like @nestjs/mongoose (see the testing section) nestjs-typegoose's forFeature and forRoot rely on a database connection to work. In order to unit test your ProductService without connecting to a mongo database you need to create a fake model using a custom provider.

import { getModelToken } from "nestjs-typegoose";

...

@Module({
  ProductService,
  {
    provide: getModelToken('Product'),
    useValue: fakeProductModel
  }
})

In a spec file this would look like:

const module: TestingModule = await Test.createTestingModule({
  providers: [
    {
      provide: getModelToken('Product'),
      useValue: productModel,
    },
    ProductService
  ],
}).compile();

The string given to getModelToken function should be the class name of the typegoose model.

Thanks for telling me about this. I will update the docs shortly.

from nestjs-typegoose.

Hi, is it possible to access a full working example for this kind of test with mocking?

from nestjs-typegoose.