import { marbles } from 'rxjs-marbles/jest'
import * as SUT from './App.epics'
import { appSlice } from './App.slice'

describe('App Epics', () => {
  describe('initAppEpic', () => {
    it(
      'should return initAppSuccess action',
      marbles(m => {
        // given .. we have an initApp action
        const values: any = {
          a: appSlice.actions.initApp(),
          b: appSlice.actions.initAppSuccess(),
        }
        const action$ = m.cold('a', values)

        const expected = 'b'

        // when ... we init the app
        const destination$ = SUT.initAppEpic$(action$)

        // then... should return the expected actions
        m.expect(destination$).toBeObservable(expected, values)
      }),
    )
  })
})