import { describe, expect, it } from "vitest";
import { normalizeUrl } from "~/lib/url";

describe("normalizeUrl", () => {
  it("normalizes domains, drops fragments, removes tracking params, and sorts query params", () => {
    expect(normalizeUrl("HTTPS://WWW.Example.COM:443/story?b=2&utm_source=x&a=1#comments")).toEqual({
      url: "https://www.example.com/story?a=1&b=2",
      normalizedUrl: "https://www.example.com/story?a=1&b=2",
      sourceDomain: "example.com",
    });
  });

  it("rejects unsupported protocols", () => {
    expect(() => normalizeUrl("ftp://example.com/file")).toThrow("Only HTTP and HTTPS");
  });

  it("rejects malformed URLs", () => {
    expect(() => normalizeUrl("not a url")).toThrow("Enter a valid URL");
  });
});