How can I test Vuex authentication in my Vue.js app?

How can I test Vuex authentication in my Vue.js app?

You can test Vuex authentication by creating mock store states and actions. Would you like a code example?

Yes, please provide a code example for testing the login action.

Sure! You can use Jest along with Vue Test Utils. Here's a simple example:

import { createStore } from 'vuex';
import { mount } from '@vue/test-utils';
import LoginComponent from '@/components/LoginComponent.vue';

const store = createStore({
  state: { isAuthenticated: false },
  actions: {
    login({ commit }) {
      commit('setAuth', true);
    }
  },
  mutations: {
    setAuth(state, payload) {
      state.isAuthenticated = payload;
    }
  }
});

const wrapper = mount(LoginComponent, { store });

// Test login action
wrapper.vm.login();
expect(store.state.isAuthenticated).toBe(true);

This tests the login action by checking if the state updates correctly.

What about testing the logout action?

You can test the logout action similarly. Just create a mutation to set isAuthenticated to false and call it in your test. Would you like to see that example too?