Basic example of a Redux action being tested in Angular 2 (final version)

ng2-redux-action-example.spec.ts

/*
 * Testing a Redux based action in Angular 2 app (using ng2-redux)
 * More info: https://angular.io/docs/ts/latest/guide/testing.html#!#inject
 */
import { TestBed, async, inject } from '@angular/core/testing';
import { NgRedux } from 'ng2-redux';
import { Observable } from 'rxjs';

import { AppState } from '../../store';
import { rootReducer } from '../../store/reducers';
import { ApiService } from 'apis/c4re';
import { HomeActions } from './home.actions';


describe('HomeActions', () => {
    let fakeApiService = {
        getSomeData: (args) => {
            return Observable.of({some: 'data'});
        }
    };

    let reduxFactory = () => {
        let ngRedux = new NgRedux<AppState>();
        ngRedux.configureStore(rootReducer, undefined);
        return ngRedux;
    };

    beforeEach(async(() => {
        TestBed.configureTestingModule({
            providers: [
                { provide: NgRedux, useFactory: reduxFactory},
                { provide: ApiService, useValue: fakeApiService},
                HomeActions
            ]
        });
    }));

    it('should update queryParams', inject([NgRedux, HomeActions], (ngRedux: NgRedux<AppState>, homeActions: HomeActions) => {
        homeActions.getSomeData({ id: 20 });

        ngRedux.select([ 'home', 'someData' ])
            .subscribe(someData => {
                expect(queryParams).toEqual({some: 'data'});
            });
    }));
});