import * as React from "react"; import renderer from "react-test-renderer"; import { useStaticQuery } from "gatsby"; import Layout from "."; import { KeplerBannerBackgroundData, KeplerBaseLayoutData, KeplerNavbarData, } from "../../__mockData__"; import deepMerge from "deepmerge"; import { HelmetProvider } from "react-helmet-async"; beforeEach((): void => { (useStaticQuery as jest.Mock).mockImplementation((): object => deepMerge.all([ KeplerBannerBackgroundData, KeplerNavbarData, KeplerBaseLayoutData, ]) ); }); describe("Base Layout", (): void => { it("renders correctly", (): void => { const context: { helmet?: object } = {}; const tree = renderer .create( Test ) .toJSON(); expect(tree).toMatchSnapshot(); expect(context.helmet).toMatchSnapshot(); }); });