public void ShouldHaveInitializedReadOnlyFields()
{
var assembly = Assembly.GetAssembly(typeof(MainWindow));
var mainWindowTypeInfo = assembly.DefinedTypes.First(t => t.AsType() == typeof(MainWindow));
FieldInfo factoryFieldInfo = mainWindowTypeInfo.DeclaredFields.FirstOrDefault(f => f.FieldType == typeof(IMathOperationFactory));
Assert.That(factoryFieldInfo, Is.Not.Null,
"Cannot find a field (class variable) of type 'IMathOperationFactory'.");
Assert.That(factoryFieldInfo.IsPrivate, Is.True, $"The field {factoryFieldInfo.Name} should be private.");
Assert.That(factoryFieldInfo.IsInitOnly, Is.True, $"The field {factoryFieldInfo.Name} should be readonly.");
IMathOperationFactory factoryValue = (IMathOperationFactory)factoryFieldInfo.GetValue(_window);
Assert.That(factoryValue, Is.Not.Null, $"The field {factoryFieldInfo.Name} should be initialized in the constructor.");
FieldInfo workerFieldInfo = mainWindowTypeInfo.DeclaredFields.FirstOrDefault(f => f.FieldType == typeof(CalculationWorker));
Assert.That(workerFieldInfo, Is.Not.Null,
"Cannot find a field (class variable) of type 'CalculationWorker'.");
Assert.That(workerFieldInfo.IsPrivate, Is.True, $"The field {workerFieldInfo.Name} should be private.");
Assert.That(workerFieldInfo.IsInitOnly, Is.True, $"The field {workerFieldInfo.Name} should be readonly.");
CalculationWorker calculationWorkerValue = (CalculationWorker)workerFieldInfo.GetValue(_window);
Assert.That(calculationWorkerValue, Is.Not.Null, $"The field {workerFieldInfo.Name} should be initialized in the constructor.");
}
public MathController(IMathOperationFactory factory)
{
_factory = factory;
}
public MainWindow(IMathOperationFactory operationFactory)
{
InitializeComponent();
}
