import assert from 'node:assert/strict';
import test from 'node:test';
import { openExamLinksInNewTab } from '../src/config/open-exam-links.mjs';

test('opens PDF links from the exam archive in a new tab', () => {
  const tree = {
    type: 'root',
    children: [
      { type: 'link', url: '/media/exam.pdf', children: [] },
      { type: 'link', url: '/computer-science/', children: [] },
    ],
  };

  openExamLinksInNewTab()(tree, {
    path: '/project/src/content/docs/previous-exams-and-documents.md',
  });

  assert.deepEqual(tree.children[0].data, {
    hProperties: {
      target: '_blank',
      rel: 'noopener noreferrer',
    },
  });
  assert.equal(tree.children[1].data, undefined);
});

test('leaves PDF links on other pages unchanged', () => {
  const link = { type: 'link', url: '/media/notes.pdf', children: [] };

  openExamLinksInNewTab()({ type: 'root', children: [link] }, {
    path: '/project/src/content/docs/course.md',
  });

  assert.equal(link.data, undefined);
});