import { test } from "node:test";
import assert from "node:assert";
import { groups, packages, toDirs } from "../src/packages.js";

test("toDirs falls back to the package name when no dir is set", () => {
  assert.deepStrictEqual(toDirs(["waybar", "kitty"]), ["waybar", "kitty"]);
});

test("toDirs falls back to the raw name for unknown packages", () => {
  assert.deepStrictEqual(toDirs(["not-a-real-package"]), ["not-a-real-package"]);
});

test("groups contains exactly the distinct group values declared on packages, no duplicates", () => {
  const expected = [...new Set(packages.filter((p) => p.group).map((p) => p.group!))];
  assert.deepStrictEqual(groups, expected);
  assert.strictEqual(new Set(groups).size, groups.length, "groups should have no duplicates");
});

test("every grouped package's group appears in the groups list", () => {
  for (const pkg of packages.filter((p) => p.group)) {
    assert.ok(groups.includes(pkg.group!), `${pkg.name}'s group "${pkg.group}" missing from groups`);
  }
});