Rocket.Chat/lib/unescapeHTML.spec.ts

import assert from 'assert';

import { describe, it } from 'mocha';

import { unescapeHTML } from './unescapeHTML';

describe('unescapeHTML', () => {
	it('works', () => {
		assert.strictEqual(unescapeHTML('<div>Blah & "blah" & 'blah'</div>'),
			'<div>Blah & "blah" & \'blah\'</div>');
		assert.strictEqual(unescapeHTML('&amp;lt;'), '&lt;');
		assert.strictEqual(unescapeHTML('&apos;'), '\'');
		assert.strictEqual(unescapeHTML('&#39;'), '\'');
		assert.strictEqual(unescapeHTML('&#0039;'), '\'');
		assert.strictEqual(unescapeHTML('&#x4a;'), 'J');
		assert.strictEqual(unescapeHTML('&#x04A;'), 'J');
		assert.strictEqual(unescapeHTML('&#X4A;'), '&#X4A;');
		assert.strictEqual(unescapeHTML('&_#39;'), '&_#39;');
		assert.strictEqual(unescapeHTML('&#39_;'), '&#39_;');
		assert.strictEqual(unescapeHTML('&amp;#38;'), '&#38;');
		assert.strictEqual(unescapeHTML('&#38;amp;'), '&amp;');
		assert.strictEqual(unescapeHTML('&#39;'), '\'');
		assert.strictEqual(unescapeHTML(''), '');
		assert.strictEqual(unescapeHTML('&nbsp;'), ' ');
		assert.strictEqual(unescapeHTML('what is the &yen; to &pound; to &euro; conversion process?'), 'what is the ¥ to £ to € conversion process?');
		assert.strictEqual(unescapeHTML('&reg; trademark'), '® trademark');
		assert.strictEqual(unescapeHTML('&copy; 1992. License available for 50 &cent;'), '© 1992. License available for 50 ¢');
		assert.strictEqual(unescapeHTML('&nbsp;'), ' ');
		assert.strictEqual(unescapeHTML('&nbsp;'), ' ');

		assert.strictEqual(unescapeHTML(null as unknown as string), '');
		assert.strictEqual(unescapeHTML(undefined as unknown as string), '');
		assert.strictEqual(unescapeHTML(5 as unknown as string), '5');
	});
});