import { render, screen } from "@testing-library/react";
import NotFound, { metadata } from "./not-found";

describe("not-found", () => {
  it("has no canonical (the home one does not apply to a 404) and no generic robots tag of its own", () => {
    // o Next já escreve <meta name="robots" content="noindex"> no 404: repeti-lo duplicaria a tag
    expect(metadata.alternates).toEqual({ canonical: null });
    expect(metadata.robots).not.toHaveProperty("index");
    expect(metadata.robots).not.toHaveProperty("follow");
  });

  it("keeps Googlebot out, since the root layout lets it index", () => {
    expect(metadata.robots).toEqual({
      googleBot: { index: false, follow: false },
    });
  });

  it("explains the problem and offers a way back, in Portuguese", () => {
    render(<NotFound />);

    expect(screen.getByRole("heading", { level: 1 })).toHaveTextContent("404");
    expect(
      screen.getByRole("heading", { level: 2, name: "Página não encontrada" }),
    ).toBeVisible();
    expect(
      screen.getByRole("link", { name: "Voltar ao início" }),
    ).toHaveAttribute("href", "/");
    expect(screen.getByRole("link", { name: "Ver os cases" })).toHaveAttribute(
      "href",
      "/cases",
    );
  });
});