FlutterWebViewPluginCookiesParsingTest.dart

void main() {
  Map goodCookies = newCookiesMethod();
  Map badCookies = oldCookiesMethod();

  print('Are cookies parsed equal to original?');
  print('NewMethod: ${deepCompare(cookiesPrepared, goodCookies)}');
  print('OldMethod: ${deepCompare(cookiesPrepared, badCookies)}');

  print('If there are not cookies the result must be an empty map');
  Map goodCookiesEmpty = newCookiesMethod(emptyCookies: true);
  print('NewMethod Empty: ${goodCookiesEmpty.isEmpty}');
}

Map newCookiesMethod({bool emptyCookies}){
  final RegExp escapeQuotes = RegExp(r'(?<=").+?(?=")');

    var cookiesString = evalJavascript('document.cookie', emptyCookies: emptyCookies);
    final cookies = <String, String>{};

    cookiesString = escapeQuotes.allMatches(cookiesString).map((m) => m.group(0)).join('"');

    cookiesString
      .split('; ')
      .where((c) => c.isNotEmpty)
      .forEach((cookie) => 
               cookies[cookie.split('=').first] = cookie.split('=').skip(1).join('=')
              );

    return cookies;
}


Map oldCookiesMethod(){
  final cookiesString = evalJavascript('document.cookie');
  final cookies = <String, String>{};

    if (cookiesString?.isNotEmpty == true) {
      cookiesString.split(';').forEach((String cookie) {
        final split = cookie.split('=');
        cookies[split[0]] = split[1];
      });
    }

    return cookies;
}

// Simulate webView 'document.cookies'
String evalJavascript(_, {bool emptyCookies}){
  String cookies = '';
  int i = 0;

  Map cookiesMap = cookiesPrepared;
  if (emptyCookies ?? false)
    cookiesMap = {};

  cookiesMap.forEach((k, v) {
    cookies += '$k=$v';
    i++;
    if (i < cookiesMap.length)
      cookies += '; ';
  });

   return '"$cookies"';
}

Map<String, String> cookiesPrepared = {
    'username': 'John Doe',
    'expires': 'Thu, 18 Dec 2013 12:00:00 UTC',
    'path': '/usr/apache2/www/',
    'timestamp': '57246556',
    'cookieWithDoubleQuotes': 'fe23\"·dsd',
    'cookieWithSimpleQuotes': "rrer8974\'ve76\'",
    '..///\\\\**-++!\"··%&((': '/+-*()!"·?¿¿`+ç´.-',
    'empty': '',
    'rsa': '4IlzOY3Y9fXoh3Y5f06wBbtTg94Pt6vcfcd1KQ0FLm0S36aGJtTSb6pYKfyX7PqCUQ8wgL6xUJ5GRPEsu9gyz8ZobwfZsGCsvu40CWoT9fcFBZPfXro1Vtlh/xl/yYHm+Gzqh0Bw76xtLHSfLfpVOrmZdwKmSFKMTvNXOFd0V18='
  };

bool deepCompare(Map m1, Map m2){
  var k1 = m1.keys.toList();
  var k2 = m2.keys.toList();
  
  var v1 = m1.values.toList();
  var v2 = m2.values.toList();
  
  for(var i = 0; i < m1.length; i++){
    if (k1[i] != k2[i])
      return false;
    if (v1[i] != v2[i])
      return false;
  }
  
  return true;
}