Тестирование

import 'package:test/test.dart';
import 'package:mockito/mockito.dart';

class UserRepository {
  String getUser() => 'Alice';
}

class MockRepo extends Mock implements UserRepository {}

void main() {
  test('getUser returns mocked value', () {
    final repo = MockRepo();
    when(repo.getUser()).thenReturn('Bob');
    expect(repo.getUser(), equals('Bob'));
  });
}