import { test } from 'node:test';
import assert from 'node:assert/strict';
import { escapeHtml, escapeAttr } from './dom.ts';

test('escapeHtml escapes all five HTML-special characters', () => {
  assert.equal(escapeHtml(`<a href="x" title='y'>&`), '&lt;a href=&quot;x&quot; title=&#39;y&#39;&gt;&amp;');
});

test('escapeHtml is ampersand-first (no double-escaping of entities it emits)', () => {
  // & must be replaced before <,>," so "&lt;" is not re-escaped into "&amp;lt;".
  assert.equal(escapeHtml('<'), '&lt;');
  assert.equal(escapeHtml('&lt;'), '&amp;lt;');
});

test('escapeHtml coerces non-strings', () => {
  assert.equal(escapeHtml(42), '42');
  assert.equal(escapeHtml(null), 'null');
});

test('escapeAttr is the same escaper', () => {
  assert.equal(escapeAttr, escapeHtml);
});