our-component.spec.js

import React from "react";
import { shallow } from "enzyme";

import OurComponent from "../our-component";

describe("<OurComponent/>", () => {
  
  it("should render children when supplied the items prop", () => {
    let mockData = [
      { name: "test" },
      { name: "test" }
    ];
    let wrapper = shallow(<OurComponent items={mockData}/>);
    let items = wrapper.findWhere((component) => {
      return component.props().children === "test";
    });
    expect(items.length).to.equal(2);
  });

});