How do I test Vuex in my Vue.js applications?

How do I test Vuex in my Vue.js applications?

To test Vuex in Vue.js, you can use libraries like Vue Test Utils along with Jest or Mocha. Would you like a code example?

Yes, please provide a code example for testing a Vuex store.

Sure! Here's a simple example:

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

const store = createStore({
  state: { count: 0 },
  mutations: {
    increment(state) {
      state.count++;
    }
  }
});

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

// Test the mutation
store.commit('increment');
expect(store.state.count).toBe(1);

This tests that the increment mutation correctly updates the state.

What about testing actions and getters?

For actions, you can mock API calls and test the dispatching of actions. For getters, you can directly access them from the store. Would you like more details on that?