import assert from 'node:assert';
import lodashStable from 'lodash';
import unescape from '../src/unescape';
import escape from '../src/escape';

describe('unescape', () => {
    let escaped = '&<>"'/',
        unescaped = '&<>"\'/';

    escaped += escaped;
    unescaped += unescaped;

    it('should unescape entities in order', () => {
        assert.strictEqual(unescape('&amp;lt;'), '&lt;');
    });

    it('should unescape the proper entities', () => {
        assert.strictEqual(unescape(escaped), unescaped);
    });

    it('should handle strings with nothing to unescape', () => {
        assert.strictEqual(unescape('abc'), 'abc');
    });

    it('should unescape the same characters escaped by `_.escape`', () => {
        assert.strictEqual(unescape(escape(unescaped)), unescaped);
    });

    it('should handle leading zeros in html entities', () => {
        assert.strictEqual(unescape('&#39;'), "'");
        assert.strictEqual(unescape('&#039;'), "'");
        assert.strictEqual(unescape('&#000039;'), "'");
    });

    lodashStable.each(['&#96;', '&#x2F;'], (entity) => {
        it(`should not unescape the "${entity}" entity`, () => {
            assert.strictEqual(unescape(entity), entity);
        });
    });
});