import { describe, expect, it } from "vitest";
import { serializeJsonLd } from "#lib/seo/jsonLd.ts";

describe("serializeJsonLd", () => {
	it("cannot close the surrounding script tag", () => {
		const out = serializeJsonLd({ description: "</script><script>alert(1)</script>" });
		expect(out).not.toMatch(/[<>]/);
		expect(out).toContain("\\u003c/script\\u003e");
	});

	it("round-trips to the same value", () => {
		const schema = { name: "a & b", description: "x < y > z \u2028 \u2029 <!--" };
		const out = serializeJsonLd(schema);
		expect(out).not.toMatch(/[&\u2028\u2029]/);
		expect(JSON.parse(out)).toEqual(schema);
	});
});