fristydev/app/api/game/[id]/route.test.ts

import { afterEach, describe, expect, it, vi } from "vitest";
import { GET } from "@/app/api/game/[id]/route";

afterEach(() => {
    vi.unstubAllGlobals();
    vi.restoreAllMocks();
});

function contextWith(id: string) {
    return { params: Promise.resolve({ id }) };
}

function requestWith(url: string) {
    return new Request(url);
}

describe("GET /api/game/[id]", () => {
    it("returns 400 for non-numeric ids", async () => {
        const response = await GET(
            requestWith("https://fristy.dev/api/game/abc"),
            contextWith("abc"),
        );
        expect(response.status).toBe(400);
        expect(response.headers.get("Access-Control-Allow-Origin")).toBe("https://fristy.dev");
    });

    it("returns 404 when no profile resolves", async () => {
        vi.stubGlobal(
            "fetch",
            vi.fn(async () => ({ ok: false, status: 404 })),
        );
        const response = await GET(
            requestWith("https://fristy.dev/api/game/123"),
            contextWith("123"),
        );
        expect(response.status).toBe(404);
    });

    it("returns 502 when upstream networking fails", async () => {
        vi.stubGlobal(
            "fetch",
            vi.fn(async () => {
                throw new Error("down");
            }),
        );
        const response = await GET(
            requestWith("https://fristy.dev/api/game/123"),
            contextWith("123"),
        );
        expect(response.status).toBe(502);
        expect(response.headers.get("Access-Control-Allow-Origin")).toBe("https://fristy.dev");
    });
});