public void Execute_WithObservableYielding3Values_ShouldReturnCorrectResult(
object value1,
object value2,
object value3,
TestSchedulers schedulers,
ThrowingTestScheduler scheduler)
{
//arrange
var observable = scheduler.CreateColdObservable(OnNext(10, value1),
OnNext(20, value2),
OnNext(30, value3),
OnCompleted(40, new object()));
var observer = scheduler.CreateObserver <object>();
var sut = new ObservableMvvmCommand <object, object>(o => observable, schedulers, schedulers, "name", new AlwaysTrueCanExecuteStrategy <object>(), doObserver: () => observer, doScheduler: ImmediateScheduler.Instance);
//act
sut.Execute(null);
//allow any work scheduled with the schedulers to advance
schedulers.AdvanceBy(200);
//allow notifications to advance
scheduler.AdvanceBy(200);
//assert
observer.Messages.AssertEqual(OnNext(10, value1),
OnNext(20, value2),
OnNext(30, value3),
OnCompleted(40, new object()));
}
public void AsObservableCollectionWithNotifications_ShouldExecuteActionsOnNotifications(
IEnumerable <object> sut,
object[] itemsToAdd,
ThrowingTestScheduler scheduler)
{
//arrange
var notifications = scheduler.CreateColdObservable(
itemsToAdd.Select((item, i) => OnNext(Subscribed + i + 1, item))
.ToArray());
ObservableCollection <object> observableCollection = null;
//act
scheduler.Start(() =>
sut.AsObservableCollectionWithNotifications(
notifications,
(o, objects) => () => objects.Add(o),
scheduler,
scheduler,
out observableCollection));
var expected = sut.Concat(itemsToAdd);
//assert
observableCollection.ShouldAllBeEquivalentTo(expected);
}
public void AsObservableCollectionWithNotifications_ShouldExecuteActionsOnNotifications(
IEnumerable<object> sut,
object[] itemsToAdd,
ThrowingTestScheduler scheduler)
{
//arrange
var notifications = scheduler.CreateColdObservable(
itemsToAdd.Select((item, i) => OnNext(Subscribed + i + 1, item))
.ToArray());
ObservableCollection<object> observableCollection = null;
//act
scheduler.Start(() =>
sut.AsObservableCollectionWithNotifications(
notifications,
(o, objects) => () => objects.Add(o),
scheduler,
scheduler,
out observableCollection));
var expected = sut.Concat(itemsToAdd);
//assert
observableCollection.ShouldAllBeEquivalentTo(expected);
}
public void Execute_WithObservableYielding3Values_ShouldReturnCorrectResult(
object value1,
object value2,
object value3,
TestSchedulers schedulers,
ThrowingTestScheduler scheduler)
{
//arrange
var observable = scheduler.CreateColdObservable(OnNext(10, value1),
OnNext(20, value2),
OnNext(30, value3),
OnCompleted(40, new object()));
var observer = scheduler.CreateObserver<object>();
var sut = new ObservableMvvmCommand<object, object>(o => observable, schedulers, schedulers, "name", new AlwaysTrueCanExecuteStrategy<object>(), doObserver: () => observer, doScheduler: ImmediateScheduler.Instance);
//act
sut.Execute(null);
//allow any work scheduled with the schedulers to advance
schedulers.AdvanceBy(200);
//allow notifications to advance
scheduler.AdvanceBy(200);
//assert
observer.Messages.AssertEqual(OnNext(10, value1),
OnNext(20, value2),
OnNext(30, value3),
OnCompleted(40, new object()));
}
