Vuex testing with Chai

vuex-component.spec.js

import chai, { expect } from 'chai';
import spies from 'chai-spies';
import { shallowMount, createLocalVue } from '@vue/test-utils';
import Vuex from 'vuex';
import Actions from '@/components/Actions.vue';

const localVue = createLocalVue();

localVue.use(Vuex);

chai.use(spies);

describe('Actions.vue', () => {
  let actions;
  let store;

  beforeEach(() => {
    actions = {
      actionClick: chai.spy(),
      actionInput: chai.spy(),
    };
    store = new Vuex.Store({
      actions,
    });
  });

  it('dispatches "actionInput" when input event value is "input"', () => {
    const wrapper = shallowMount(Actions, { store, localVue });
    const input = wrapper.find('input');
    input.element.value = 'input';
    input.trigger('input');
    expect(actions.actionInput).to.have.been.called();
  });

  it('does not dispatch "actionInput" when event value is not "input"', () => {
    const wrapper = shallowMount(Actions, { store, localVue });
    const input = wrapper.find('input');
    input.element.value = 'not input';
    input.trigger('input');
    expect(actions.actionInput).not.to.have.been.called();
  });

  it('calls store action "actionClick" when button is clicked', () => {
    const wrapper = shallowMount(Actions, { store, localVue });
    wrapper.find('button').trigger('click');
    expect(actions.actionClick).to.have.been.called();
  });
});

vuex-store.spec.js

import { createLocalVue } from '@vue/test-utils';
import Vuex from 'vuex';
import storeConfig from '@/components/store-config/store-config';
import { expect } from 'chai';
import { cloneDeep } from 'lodash';

const localVue = createLocalVue();
localVue.use(Vuex);

describe('banana', () => {
  let store;

  beforeEach(() => {
    store = new Vuex.Store(cloneDeep(storeConfig));
  });

  it('increments "count" value when "increment" is commited', () => {
    expect(store.state.count).to.equal(0);
    store.commit('increment');
    expect(store.state.count).to.equal(1);
  });

  it('updates "evenOrOdd" getter when "increment" is commited', () => {
    store.commit('increment');
    expect(store.getters.evenOrOdd).to.equal('odd');
  });
});