public void WhenCombineLatest_AndSomeExistingValues_ShouldSubscribeToPropertyChanges()
{
// Arrange
List <Tuple <bool, string, object> > tuples = new List <Tuple <bool, string, object> >();
var vm = new MyObservableObject(false, null);
vm.Something = "Woot";
vm.ADynamicValue = vm;
Observable.CombineLatest(
vm.WhenPropertyChanged(x => x.IsChecked),
vm.WhenPropertyChanged(x => x.Something),
vm.WhenPropertyChanged(x => x.ADynamicValue),
Tuple.Create)
.Throttle(TimeSpan.FromMilliseconds(100), _ctx.Default)
.Subscribe(arg => tuples.Add(arg));
// Act
tuples.Clear();
vm.IsChecked = true;
Assert.That(tuples.Count, Is.EqualTo(1));
Assert.That(tuples[0].Item1, Is.EqualTo(true));
Assert.That(tuples[0].Item2, Is.EqualTo("Woot"));
Assert.That(tuples[0].Item3, Is.EqualTo((object)vm));
}
public void ShouldSubscribeToPropertyChanges()
{
// Arrange
bool boolReceived = false;
string somethingReceived = null;
var vm = new MyObservableObject(false, null);
vm.WhenPropertyChanged(x => x.IsChecked).Subscribe(arg => boolReceived = arg);
vm.WhenPropertyChanged(x => x.Something).Subscribe(arg => somethingReceived = arg);
// Act
vm.IsChecked = true;
// Assert
Assert.That(vm.IsChecked, Is.True);
Assert.That(boolReceived, Is.True);
Assert.That(somethingReceived, Is.Null);
}
public void ShouldSubscribeToPropertyChanges2()
{
// Arrange
bool boolReceived = false;
string somethingReceived = null;
var vm = new MyObservableObject(false, null);
vm.WhenPropertyChanged(x => x.IsChecked).Subscribe(arg => boolReceived = arg);
vm.WhenPropertyChanged(x => x.Something).Subscribe(arg => somethingReceived = arg);
// Act
vm.Something = "Hello";
vm.Something = "World";
// Assert
Assert.That(vm.IsChecked, Is.False);
Assert.That(boolReceived, Is.False);
Assert.That(somethingReceived, Is.EqualTo("World"));
}
public void WhenCombineLatest_ShouldSubscribeToPropertyChanges()
{
// Arrange
List <Tuple <bool, string, object> > tuples = new List <Tuple <bool, string, object> >();
var vm = new MyObservableObject(false, null);
Observable.CombineLatest(
vm.WhenPropertyChanged(x => x.IsChecked),
vm.WhenPropertyChanged(x => x.Something),
vm.WhenPropertyChanged(x => x.ADynamicValue),
Tuple.Create)
.Throttle(TimeSpan.FromMilliseconds(100), _ctx.Default)
.Subscribe(arg => tuples.Add(arg));
Assert.That(tuples.Contains(Tuple.Create(false, (string)null, (object)null)));
// Act 1
tuples.Clear();
vm.IsChecked = true;
Assert.That(tuples.Contains(Tuple.Create(true, (string)null, (object)null)));
// Act 2
tuples.Clear();
vm.Something = "Woot";
Assert.That(tuples.Contains(Tuple.Create(true, "Woot", (object)null)));
// Act 3
tuples.Clear();
vm.ADynamicValue = vm;
Assert.That(tuples.Contains(Tuple.Create(true, "Woot", (object)vm)));
// Act 3
tuples.Clear();
vm.IsChecked = false;
Assert.That(tuples.Contains(Tuple.Create(false, "Woot", (object)vm)));
}
public void ShouldDisposeWith()
{
// Arrange
string somethingReceived = null;
var vm = new MyObservableObject(false, null);
vm.WhenPropertyChanged(x => x.Something).Subscribe(arg => somethingReceived = arg).DisposeWith(vm);
// Act
vm.Something = "Hello";
vm.Dispose();
vm.Something = "World";
// Assert
Assert.That(vm.IsChecked, Is.False);
Assert.That(somethingReceived, Is.EqualTo("Hello"));
}
public void ShouldFireObservableEventsOnDynamicValueSet()
{
// Arrange
var obj = new MyObservableObject(false, null);
List <object> objectsReceived = new List <object>();
obj.WhenPropertyChanged(x => x.ADynamicValue).Subscribe(v => objectsReceived.Add(v));
objectsReceived.Clear();
// Act
obj.SetDynamicValue <object>("ADynamicValue", 123);
obj.ADynamicValue = "Testing";
obj.SetDynamicValue <object>("ADynamicValue", "Dynamic");
// Assert
Assert.That(objectsReceived.Count, Is.EqualTo(3));
Assert.That(objectsReceived, Is.EquivalentTo(new object[] { 123, "Testing", "Dynamic" }));
}