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Interface definition error

This project reproduces a bug related to test. When we execute npm test command we face the following error

 FAIL   my-app  apps/my-app/src/app/tests/test-app.spec.ts
  ● Test suite failed to run

    ReferenceError: data_interface_1 is not defined

      17 | export class DataState {
      18 |   @Selector()
    > 19 |   static getDataIds(state: DataStateModel): IDataIds {
         |                                             ^
      20 |     return state.ids;
      21 |   }
      22 |

      at Object.<anonymous> (../../libs/features/src/app/shared/states/data/data.state.ts:19:45)
      at Object.<anonymous> (../../libs/features/src/app/app.component.ts:4:1)
      at Object.<anonymous> (../../libs/features/src/index.ts:1:1)
      at Object.<anonymous> (src/app/tests/test-app.spec.ts:2:1)

Test Suites: 1 failed, 1 total
Tests:       0 total
Snapshots:   0 total
Time:        3.028 s

Update

The problem has been solved by barbados-clemens PR

Module resolution on running Jest test

This project reporduces a bug related to test. When we execute npm test command we face the following error

> nx run my-app:test

Determining test suites to run...
ngcc-jest-processor: running ngcc
 FAIL   my-app  apps/my-app/src/app/tests/test-app.spec.ts
  ● Test suite failed to run

    TypeError: Cannot read properties of undefined (reading 'child')

       8 |   imports: [
       9 |     TestModule.forRoot(
    > 10 |       EnvServiceProvider.useFactory().parent.child
         |                                             ^
      11 |         ? {
      12 |             id: 'test',
      13 |           }

      at Object.<anonymous> (../../libs/features/src/app/shared/auth/auth.module.ts:10:45)
      at Object.<anonymous> (../../libs/features/src/app/core/core.module.ts:4:1)
      at Object.<anonymous> (../../libs/features/src/app/app.module.ts:6:1)
      at Object.<anonymous> (../../libs/features/src/index.ts:6:1)
      at Object.<anonymous> (src/app/tests/test-app.spec.ts:2:1)

Test Suites: 1 failed, 1 total
Tests:       0 total
Snapshots:   0 total
Time:        3.926 s
Ran all test suites.

In apps/my-app/src/app/tests/test-app.spec.ts file there is an import from the local module @features. We import only two elements (DataState and IDataIds) from this module. The error comes from AuthModule imported by CoreModule which is imported by AppModule. It seems that Jest is trying to resolve all exported elements from libs/features/src/index.ts.

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