What are Vue Test Utils and how do I use them?

What are Vue Test Utils and how do I use them?

Vue Test Utils is the official unit testing utility library for Vue.js. It provides methods to mount and interact with Vue components in tests.

Can you show me a simple example of how to test a Vue component using Vue Test Utils?

Sure! Here's a basic example:

import { mount } from '@vue/test-utils';
import MyComponent from '@/components/MyComponent.vue';

test('renders a message', () => {
  const wrapper = mount(MyComponent);
  expect(wrapper.text()).toContain('Hello, World!');
});

What are some common methods provided by Vue Test Utils?

Some common methods include mount(), shallowMount(), find(), setData(), and trigger(), which help in rendering and interacting with components.

How do I set up Vue Test Utils in my project?

To set up Vue Test Utils, install it via npm:

npm install --save-dev @vue/test-utils

Then, configure your testing framework (like Jest or Mocha) to work with Vue.