const assert = require('node:assert/strict');
const { execFileSync } = require('node:child_process');
const path = require('node:path');
const test = require('node:test');

const result = JSON.parse(execFileSync('php', [path.join(__dirname, 'topics-harness.php')], { encoding: 'utf8' }));

test('topic whitelist includes descendants and preserves a selected child without its parent', () => {
  assert.deepEqual(result.root_tree, [
    { id: 1, depth: 0 },
    { id: 2, depth: 1 },
    { id: 3, depth: 1 },
  ]);
  assert.deepEqual(result.child_tree, [{ id: 2, depth: 0 }]);
  assert.match(result.orphan_html, /name="topics\[\]" value="2"/);
});

test('topic submissions accept only existing terms within the configured whitelist', () => {
  assert.deepEqual(result.filtered, [2]);
  assert.deepEqual(result.disabled_tree, []);
  assert.deepEqual(result.disabled_filtered, []);
});