static (IDisposable, WeakReference) GetWeakReference()
{
var vm = new InteractionBindViewModel();
var view = new InteractionBindView {
ViewModel = vm
};
var weakRef = new WeakReference(vm);
var disposable = view.BindInteraction(
vm,
vm => vm.Interaction1,
input =>
{
input.SetOutput(true);
return(Task.CompletedTask);
});
view.ViewModel = new InteractionBindViewModel();
return(disposable, weakRef);
}
public void ShouldUnregisterObservableHandlerWhenBindingIsDisposed()
{
var vm = new InteractionBindViewModel();
var view = new InteractionBindView {
ViewModel = vm
};
var disposable = view.BindInteraction(
vm,
vm => vm.Interaction1,
input =>
{
input.SetOutput(true);
return(Observable.Return(Unit.Default));
});
disposable.Dispose();
_ = Assert.ThrowsAsync <UnhandledInteractionException <string, bool> >(() => vm.Interaction1.Handle("123").ToTask());
}
public async Task ShouldReceiveOutputFromObservableHandler()
{
var vm = new InteractionBindViewModel();
var view = new InteractionBindView {
ViewModel = vm
};
var disposable = view.BindInteraction(
vm,
vm => vm.Interaction1,
input =>
{
input.SetOutput(true);
return(Observable.Return(Unit.Default));
});
bool isDeletionConfirmed = await vm.Interaction1.Handle("123");
isDeletionConfirmed.Should().BeTrue();
}
public void ShouldUnregisterTaskHandlerFromOverwrittenViewModel()
{
var vm = new InteractionBindViewModel();
var view = new InteractionBindView {
ViewModel = vm
};
var disposable = view.BindInteraction(
vm,
vm => vm.Interaction1,
input =>
{
input.SetOutput(true);
return(Task.CompletedTask);
});
view.ViewModel = new InteractionBindViewModel();
_ = Assert.ThrowsAsync <UnhandledInteractionException <string, bool> >(() => vm.Interaction1.Handle("123").ToTask());
}
public async Task ReceiveOutputFromTaskHandler()
{
var vm = new InteractionBindViewModel();
var view = new InteractionBindView {
ViewModel = vm
};
var disposable = view.BindInteraction(
vm,
vm => vm.Interaction1,
input =>
{
input.SetOutput(true);
return(Task.CompletedTask);
});
bool isDeletionConfirmed = await vm.Interaction1.Handle("123");
isDeletionConfirmed.Should().BeTrue();
}
public void ShouldUnregisterObservableHandlerFromOverwrittenNestedViewModel()
{
var firstInteractionVm = new InteractionBindViewModel();
var vm = new InteractionAncestorViewModel();
var view = new InteractionAncestorView {
ViewModel = vm
};
var disposable = view.BindInteraction(
vm,
vm => vm.InteractionViewModel.Interaction1,
input =>
{
input.SetOutput(true);
return(Observable.Return(Unit.Default));
});
view.ViewModel.InteractionViewModel = new InteractionBindViewModel();
_ = Assert.ThrowsAsync <UnhandledInteractionException <string, bool> >(() => firstInteractionVm.Interaction1.Handle("123").ToTask());
}
public async Task ShouldRegisterTaskHandlerToNewlyAssignedViewModel()
{
var vm = new InteractionBindViewModel();
var view = new InteractionBindView {
ViewModel = vm
};
var disp = view.BindInteraction(
vm,
vm => vm.Interaction1,
input =>
{
input.SetOutput(true);
return(Task.CompletedTask);
});
view.ViewModel = new InteractionBindViewModel();
bool isDeletionConfirmed = await view.ViewModel.Interaction1.Handle("123");
isDeletionConfirmed.Should().BeTrue();
}
public async Task RegisterObservableHandlerToNewlyAssignedViewModel()
{
var vm = new InteractionBindViewModel();
var view = new InteractionBindView {
ViewModel = vm
};
var disposable = view.BindInteraction(
vm,
vm => vm.Interaction1,
input =>
{
input.SetOutput(true);
return(Observable.Return(Unit.Default));
});
view.ViewModel = new InteractionBindViewModel();
var isDeletionConfirmed = await view.ViewModel.Interaction1.Handle("123");
isDeletionConfirmed.Should().BeTrue();
}
