public void TestRestore()
{
var obj = new object();
var child1 = new Mock <ICompositeMemento>();
var child2 = new Mock <ICompositeMemento>();
var children = new List <ICompositeMemento>
{
child1.Object,
child2.Object
};
var factoryMock = new Mock <IMementoFactory>();
var propertyMock = new Mock <IPropertyAdapter>();
propertyMock.Setup(p => p.IsStatic).Returns(false);
propertyMock.Setup(p => p.GetValue(obj)).Returns(InitialVal);
propertyMock.Setup(p => p.SetValue(obj, InitialVal));
var propertyMemento = new PropertyMemento(obj, false, propertyMock.Object, factoryMock.Object);
propertyMemento.Children = children;
//Act
propertyMemento.Rollback();
//Assert
propertyMock.Verify(p => p.SetValue(obj, InitialVal), Times.Once());
child1.Verify(c => c.Rollback(), Times.Once());
child2.Verify(c => c.Rollback(), Times.Once());
}
public void TestGenerateChildren()
{
//Arrange
var obj = new object();
var children = new List <ICompositeMemento>
{
new Mock <ICompositeMemento>().Object,
new Mock <ICompositeMemento>().Object
};
var factoryMock = new Mock <IMementoFactory>();
factoryMock.Setup(f => f.CreateMementos(InitialVal))
.Returns(children);
var propertyMock = new Mock <IPropertyAdapter>();
propertyMock.Setup(p => p.IsStatic).Returns(false);
propertyMock.Setup(p => p.GetValue(obj)).Returns(InitialVal);
//Act
var propertyMemento = new PropertyMemento(obj, true, propertyMock.Object, factoryMock.Object);
//Assert
Assert.AreEqual(2, propertyMemento.Children.Count());
CollectionAssert.AreEquivalent(children, propertyMemento.Children);
}
public GuidePropertyChangeCommand(object target, string propertyName, object oldValue, object newValue)
{
_listEventAggregator = ServiceLocator.Current.GetInstance <IEventAggregator>();
_target = target;
_memento = new PropertyMemento(propertyName, oldValue, newValue);
}
public void NotifyActionPropertyChagned(string propertyName, object oldValue, object newValue)
{
var property = GetType().GetProperty(propertyName);
if (oldValue == null || property.PropertyType == oldValue.GetType())
{
_lastProperty = new PropertyMemento(oldValue, propertyName);
}
NotifyActionPropertyChagned(propertyName, newValue);
}
public void RememberProperty(string propertyName)
{
var property = GetType().GetProperty(propertyName);
if (property != null)
{
object value = property.GetValue(this);
_lastProperty = new PropertyMemento(value, propertyName);
}
else
{
throw new ArgumentException($"Property {propertyName} not found");
}
}
