public void Execute(object parameter)
{
if (CanExecute(parameter))
{
_problemViewModel.DeleteSelectedMaterial();
}
}
public void DeleteSelectedMaterial_NullSelectedMaterial_ExpectNothingHappened()
{
//Arrange
var problemViewModel = new ProblemViewModel();
var materialViewModel = problemViewModel.AddMaterial();
problemViewModel.SelectedMaterial = null;
//Act
//Assert
Assert.DoesNotThrow(() => problemViewModel.DeleteSelectedMaterial());
}
public void DeleteSelectedMaterial_SelectedMaterial_ExpectSelectedMaterialIsNull()
{
//Arrange
var problemViewModel = new ProblemViewModel();
problemViewModel.AddMaterial();
//Act
problemViewModel.DeleteSelectedMaterial();
//Assert
Assert.That(problemViewModel.SelectedMaterial, Is.Null);
}
public void DeleteSelectedMaterial_SelectedMaterial_ExpectMaterialRemovedFromCollection()
{
//Arrange
var problemViewModel = new ProblemViewModel();
var materialViewModel = problemViewModel.AddMaterial();
//Act
problemViewModel.DeleteSelectedMaterial();
//Assert
var containsMaterial = problemViewModel.Materials.Contains(materialViewModel);
Assert.That(containsMaterial, Is.False);
}
