public void ShouldNotAllowToExecuteCommandWhenNavigationPanelStateIsNotProvided()
{
// Given
var eventAggregator = new Mock <IEventAggregator>();
var command = new ChangeCurrentRegionInNavigationPanelCommand(null);
// When
// Then
Assert.IsFalse(command.CanExecute(ContentRegionView.ImageDisplayView));
Assert.Throws <CannotExecuteCommandException>(() => command.Execute(ContentRegionView.ImageDisplayView));
}
public void ShouldChangeCurrentContentRegionViewWhenExecuted()
{
// Given
var eventAggregator = new Mock <IEventAggregator>();
var navigationPanelState = new Mock <INavigationPanelState>();
navigationPanelState.SetupSet(n => n.CurrentContentRegionView = It.IsAny <ContentRegionView>()).Verifiable();
var command = new ChangeCurrentRegionInNavigationPanelCommand(navigationPanelState.Object);
// When
command.Execute(ContentRegionView.ImageDisplayView);
// Then
navigationPanelState.VerifySet(n => n.CurrentContentRegionView = ContentRegionView.ImageDisplayView, Times.Once);
}
