Can not find module import { async, TestBed } from '@angular/core/testing'; import { IonicModule } from 'ionic-angular';

Question

Can not find module:

import { async, TestBed } from '@angular/core/testing';

import { IonicModule } from 'ionic-angular';

I am using ionic 3, wanted to do Unit testing on my application but facing problem in spec.ts file, which is unable to find modules.

I am using Karma and jasmine for unit testing

Answer 1

It may happen that in your tsconfig.json , you might have put "**/*.spec.ts" under "exclude". So, remove it from there and put it under "include". Please check this link for reference.

Cannot find module in .spec.ts file in Ionic 3