public void DisposeDeregistersCommandCanExecuteChanged()
{
var command = new TestCommand();
var viewModel = new Mock <TestData.ViewModel.WithCommandProperty>();
viewModel.Setup(x => x.CommandProperty).Returns(command);
var obj = new Binding.Gtk.BindButtonToCommand(Mock.Of <IButton>());
obj.Bind(viewModel.Object, nameof(TestData.ViewModel.WithCommandProperty.CommandProperty));
obj.Dispose();
Assert.IsTrue(command.CanExecuteChangedWasRemoved);
}
public void BindSetsGtkButtonSensitiveToICommandCanExecuteMethod(bool canExecute)
{
var button = new Mock <IButton>();
var command = new Mock <ICommand>();
command.Setup(x => x.CanExecute(It.IsAny <object>())).Returns(canExecute);
var viewModel = new Mock <TestData.ViewModel.WithCommandProperty>();
viewModel.Setup(x => x.CommandProperty).Returns(command.Object);
var obj = new Binding.Gtk.BindButtonToCommand(button.Object);
obj.Bind(viewModel.Object, nameof(viewModel.Object.CommandProperty));
command.Verify(x => x.CanExecute(It.IsAny <object>()), Times.Once);
button.VerifySet(b => b.Sensitive = canExecute);
}
public void ForwardGtkButtonFieldClickedEventToICommandExecuteMethod()
{
var button = new Mock <IButton>();
var command = new Mock <ICommand>();
command.Setup(x => x.CanExecute(It.IsAny <object>())).Returns(true);
var viewModel = new Mock <TestData.ViewModel.WithCommandProperty>();
viewModel.Setup(x => x.CommandProperty).Returns(command.Object);
var obj = new Binding.Gtk.BindButtonToCommand(button.Object);
obj.Bind(viewModel.Object, nameof(TestData.ViewModel.WithCommandProperty.CommandProperty));
command.Verify(x => x.Execute(It.IsAny <object>()), Times.Never);
button.Raise(x => x.Clicked += null, EventArgs.Empty);
command.Verify(x => x.Execute(It.IsAny <object>()), Times.Once);
}