public void TestRemoveItem()
{
//arrange
var vm = new Mock <IExplorerItemViewModel>();
vm.SetupGet(it => it.ResourceType).Returns("Folder");
var resId = Guid.NewGuid();
vm.SetupGet(it => it.ResourceId).Returns(resId);
var child = new Mock <IExplorerItemViewModel>();
var grandChild = new Mock <IExplorerItemViewModel>();
grandChild.SetupGet(it => it.ResourceId).Returns(resId);
grandChild.SetupGet(it => it.IsVisible).Returns(true);
child.SetupGet(it => it.IsVisible).Returns(true);
child.SetupGet(it => it.Children).Returns(new ObservableCollection <IExplorerItemViewModel>()
{
grandChild.Object
});
_target.Children = new ObservableCollection <IExplorerItemViewModel>()
{
child.Object
};
var isChildrenChanged = false;
_target.PropertyChanged += (s, e) =>
{
isChildrenChanged = isChildrenChanged || e.PropertyName == "Children";
};
//act
_target.RemoveItem(vm.Object);
//assert
child.Verify(it => it.RemoveChild(grandChild.Object));
Assert.IsTrue(isChildrenChanged);
}
