import { describe, expect, test } from "bun:test";
import { assertSafeRssUrl, RssUrlUnsafeError } from "./rss-url";

describe("assertSafeRssUrl", () => {
  test("allows https example", () => {
    expect(() => assertSafeRssUrl("https://example.com/feed.xml")).not.toThrow();
  });

  test("rejects file protocol", () => {
    expect(() => assertSafeRssUrl("file:///etc/passwd")).toThrow(RssUrlUnsafeError);
  });

  test("rejects localhost", () => {
    expect(() => assertSafeRssUrl("http://localhost/feed")).toThrow(RssUrlUnsafeError);
  });

  test("rejects private ipv4 literal", () => {
    expect(() => assertSafeRssUrl("http://192.168.1.1/feed")).toThrow(RssUrlUnsafeError);
  });
});