import { describe, expect, it, vi } from "vitest";
import { render, screen } from "@testing-library/react";

vi.mock("next/font/google", () => ({
    Cascadia_Mono: () => ({ variable: "font-test" }),
}));

vi.mock("@/lib/i18n/get-locale", () => ({
    getLocale: async () => "en" as const,
}));

import RootLayout, { generateMetadata } from "@/app/layout";

describe("generateMetadata", () => {
    it("builds site metadata for the locale", async () => {
        const meta = await generateMetadata();
        expect(meta.description).toBeTruthy();
    });
});

describe("RootLayout", () => {
    it("renders children inside the locale shell", async () => {
        render(await RootLayout({ children: <p>child</p>, params: Promise.resolve({}) }));
        expect(screen.getByText("child")).toBeDefined();
        expect(document.documentElement.lang).toBe("en");
    });
});