next-chat/jest.setup.ts

// Learn more: https://github.com/testing-library/jest-dom
import "@testing-library/jest-dom";

global.fetch = jest.fn(() =>
  Promise.resolve({
    ok: true,
    status: 200,
    json: () => Promise.resolve({}),
    headers: new Headers(),
    redirected: false,
    statusText: "OK",
    type: "basic",
    url: "",
    clone: function () {
      return this;
    },
    body: null,
    bodyUsed: false,
    arrayBuffer: () => Promise.resolve(new ArrayBuffer(0)),
    blob: () => Promise.resolve(new Blob()),
    formData: () => Promise.resolve(new FormData()),
    text: () => Promise.resolve(""),
  }),
);