fleet/frontend/redux/nodes/persistent_flash/reducer.tests.js

import expect from 'expect';

import actions from 'redux/nodes/persistent_flash/actions';
import reducer, { initialState } from 'redux/nodes/persistent_flash/reducer';

describe('persistent_flash - reducer', () => {
  it('sets the initial state', () => {
    const nextState = reducer(undefined, { type: 'SOME_ACTION' });

    expect(nextState).toEqual(initialState);
  });

  it('shows the flash and sets the message when showPersistentFlash is dispatched', () => {
    const message = 'This is the flash message';
    const action = actions.showPersistentFlash(message);

    expect(reducer(initialState, action)).toEqual({
      showFlash: true,
      message,
    });
  });

  it('hides the flash and removes the message when hidePersistentFlash is dispatched', () => {
    const currentState = { showFlash: true, message: 'something' };
    const action = actions.hidePersistentFlash;

    expect(reducer(currentState, action)).toEqual({
      showFlash: false,
      message: '',
    });
  });
});