vant/packages/goods-action/test/index.spec.js

import BigBtn from '../../goods-action-big-btn';
import MiniBtn from '../../goods-action-mini-btn';
import { mount } from '../../../test/utils';

test('BigBtn click event', () => {
  const click = jest.fn();
  const wrapper = mount(BigBtn, {
    context: {
      on: {
        click
      }
    }
  });

  wrapper.trigger('click');
  expect(click).toHaveBeenCalledTimes(1);
});

test('MiniBtn click event', () => {
  const click = jest.fn();
  const wrapper = mount(MiniBtn, {
    context: {
      on: {
        click
      }
    }
  });

  wrapper.trigger('click');
  expect(click).toHaveBeenCalledTimes(1);
});

test('BigBtn render default slot', () => {
  const wrapper = mount({
    render(h) {
      return h(BigBtn, null, ['Default Content']);
    }
  });

  expect(wrapper).toMatchSnapshot();
});

test('Mini render default slot', () => {
  const wrapper = mount({
    render(h) {
      return h(MiniBtn, null, ['Default Content']);
    }
  });

  expect(wrapper).toMatchSnapshot();
});