import * as React from "react"; import renderer from "react-test-renderer"; import { useStaticQuery } from "gatsby"; import Head from "."; describe("Head", () => { beforeEach(() => { (useStaticQuery as jest.Mock).mockImplementationOnce(() => ({ site: { siteMetadata: { title: "Example Site", description: "This is a an example site description.", siteUrl: "https://example.dev/", }, }, })); }); it("renders as expected", () => { // Wrap the head component in a div so that the React Helmet serializer has something to read from const tree = renderer .create(
) .toJSON(); expect(tree).toMatchSnapshot(); }); });