dart_class_wrapper 1.0.1

Wrapper for a simplified partial mocking in Unit Tests

example/lib/main.dart

// main.dart
import 'package:dart_class_wrapper/dart_class_wrapper.dart';
import 'package:test/test.dart';

import 'sample.dart';

@GenerateWithMethodSetters([Sample])
import 'main.wrapper.dart';

void main() {
  test('Wrap connection', () {
    final obj = WrapperSample();
    obj.mockIsConnected = () => true;
    expect(obj.get(), 10);
    obj.mockIsConnected = () => false;
    expect(obj.get(), null);
  });
}

/* // sample.dart
class Sample {
  Sample();

  bool isConnected() {
    throw Exception('Emulate connection');
  }

  double? get() {
    if (isConnected()) {
      return 10;
    }
    return null;
  }
}
*/

/* // main.wrapper.dart
// GENERATED CODE - DO NOT MODIFY BY HAND

// **************************************************************************
// WrapperGenerator
// **************************************************************************

// ignore: unused_import, unnecessary_import, depend_on_referenced_packages
import 'sample.dart';
// ignore: unused_import, unnecessary_import, depend_on_referenced_packages
import 'dart:core';

class WrapperSample extends Sample {
  bool Function()? _isConnected;
  // ignore: non_constant_identifier_names
  set mockIsConnected(bool Function() value) {
    _isConnected = value;
  }

  @override
  bool isConnected() => (_isConnected ?? super.isConnected)();

  double? Function()? _get;
  // ignore: non_constant_identifier_names
  set mockGet(double? Function() value) {
    _get = value;
  }

  @override
  double? get() => (_get ?? super.get)();
}
*/