import React from "react"; import '@testing-library/jest-dom'; import { render, screen } from "@testing-library/react"; import { ErrorRenderer } from "~/components/ErrorRenderer"; import { getMessage } from "./mocks/chrome.i18n"; describe("ErrorRenderer.tsx", () => { const globalChrome = global.chrome; const error = new Error("This is an example error message"); beforeEach(() => { const chrome: any = { i18n: { getMessage } }; global.chrome = chrome; render(); }); afterEach(() => { global.chrome = globalChrome; }); test("an error is rendered", () => { const { getByTestId, getByText } = screen; const span = getByTestId("error-message"); expect(getByText("Error")).toBeInTheDocument(); expect(span.textContent).toEqual(error.message); }); });