import * as Oazapfts from ".";

const oazapfts = Oazapfts.runtime({});

const fetchMock = () => ({
  ok: true,
  text: "hello",
  headers: {
    get: (name: string) => undefined,
  },
});

describe("request", () => {
  let g: any;

  beforeAll(() => {
    g = global as any;
    g.fetch = g.fetch || (() => {});
  });

  it("should use global fetch", async () => {
    jest.spyOn(g, "fetch").mockImplementationOnce(fetchMock);

    await oazapfts.fetchText("bar", { baseUrl: "foo/" });

    expect(g.fetch).toHaveBeenCalledWith("foo/bar", expect.any(Object));
  });

  it("should not use global fetch if local is provided", async () => {
    jest.spyOn(g, "fetch");
    const customFetch = jest.fn(fetchMock);

    await oazapfts.fetchText("bar", {
      baseUrl: "foo/",
      fetch: customFetch as any,
    });

    expect(customFetch).toHaveBeenCalledWith("foo/bar", expect.any(Object));
    expect(g.fetch).not.toHaveBeenCalled();
  });
});