pkgs/cupertino_http/example/integration_test/utils_test.dart

// Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import 'package:cupertino_http/src/utils.dart';
import 'package:integration_test/integration_test.dart';
import 'package:objective_c/objective_c.dart' as objc;
import 'package:test/test.dart';

void main() {
  IntegrationTestWidgetsFlutterBinding.ensureInitialized();

  group('stringNSDictionaryToMap', () {
    test('empty input', () {
      final d = objc.NSMutableDictionary.new1();

      expect(stringNSDictionaryToMap(d), <String, String>{});
    });

    test('single string input', () {
      final d = objc.NSMutableDictionary.new1()
        ..setObject_forKey_('value'.toNSString(), 'key'.toNSString());

      expect(stringNSDictionaryToMap(d), {'key': 'value'});
    });

    test('multiple string input', () {
      final d = objc.NSMutableDictionary.new1()
        ..setObject_forKey_('value1'.toNSString(), 'key1'.toNSString())
        ..setObject_forKey_('value2'.toNSString(), 'key2'.toNSString())
        ..setObject_forKey_('value3'.toNSString(), 'key3'.toNSString());
      expect(stringNSDictionaryToMap(d),
          {'key1': 'value1', 'key2': 'value2', 'key3': 'value3'});
    });

    test('non-string value', () {
      final d = objc.NSMutableDictionary.new1()
        ..setObject_forKey_(
            objc.NSNumberCreation.numberWithInteger_(5), 'key'.toNSString());
      expect(() => stringNSDictionaryToMap(d), throwsUnsupportedError);
    });

    test('non-string key', () {
      final d = objc.NSMutableDictionary.new1()
        ..setObject_forKey_(
            'value'.toNSString(), objc.NSNumberCreation.numberWithInteger_(5));
      expect(() => stringNSDictionaryToMap(d), throwsUnsupportedError);
    });
  });

  group('stringIterableToNSArray', () {
    test('empty input', () {
      final array = stringIterableToNSArray([]);
      expect(array.count, 0);
    });

    test('single string input', () {
      final array = stringIterableToNSArray(['apple']);
      expect(array.count, 1);
      expect(
          objc.NSString.castFrom(array.objectAtIndex_(0)).toString(), 'apple');
    });

    test('multiple string input', () {
      final array = stringIterableToNSArray(['apple', 'banana']);
      expect(array.count, 2);
      expect(
          objc.NSString.castFrom(array.objectAtIndex_(0)).toString(), 'apple');
      expect(
          objc.NSString.castFrom(array.objectAtIndex_(1)).toString(), 'banana');
    });
  });
}