public void PropertyChangedShouldFireWhenClassFiresIt()
{
var testSubject = new _ObjWithPropertyChangeNotification();
testSubject.MonitorEvents();
testSubject.FireDescriptionChangedBecauseTestSaidTo();
testSubject.ShouldRaisePropertyChangeFor(s => s.Description);
}
public void ShouldFirePropertyChangedWhenDependencyChanges()
{
var source = new _ObjWithPropertyChangeNotification();
var listener = new _ObjWithPropagation(source);
listener.MonitorEvents();
source.FireDescriptionChangedBecauseTestSaidTo();
listener.ShouldRaisePropertyChangeFor(l => l.DependsOnDescription);
}
public void ForPropertyShouldWrapAnActionAndCallItOnlyIfCalledWithPropertyChangeForTheRightProperty()
{
var source = new _ObjWithPropertyChangeNotification();
bool wasCalled = false;
var testSubject = source.ForProperty(() => source.Description, () => wasCalled = true);
testSubject(null, new PropertyChangedEventArgs("NotDescription"));
wasCalled.Should().BeFalse();
testSubject(null, new PropertyChangedEventArgs("Description"));
wasCalled.Should().BeTrue();
}
public _ObjWithPropagation([NotNull] _ObjWithPropertyChangeNotification source)
{
_source = source;
this.Propagate(() => DependsOnDescription).From(source, src => src.Description);
}