public void GListEngine_DeleteList()
{
//Arrange: Seeds the Mocked Accessor's list of GLists
SeedGLists();
var expected = new GList {
Id = 3,
ListName = "MyList"
};
//Act: Calls the GListEngine DeleteList() method, which should delete the GList with the given id from the lists of GLists
var deletedList = gListEngine.DeleteList(3);
//Assert: Checks if a GList was deleted, if the correct GList was returned, and if the list of GLists does not contain the deleted GList
Assert.IsNotNull(deletedList, "The deleted list is null.");
Assert.AreEqual(2, mockedGListAccessor.GetState().Count(), "A GList was not deleted from the list of GLists.");
Assert.AreEqual(expected, deletedList, "An incorrect list was returned or no list was returned.");
CollectionAssert.DoesNotContain(mockedGListAccessor.GetState(), deletedList, "The list still contains the GList that needed to be deleted.");
}
public void DeleteList(string id)
{
var parsedId = int.Parse(id);
GList glist = _gListEngine.GetList(parsedId);
// deletes each item in the grocery list before deleting the list itself to prevent SQL errors
var itemsInGList = _itemsEngine.GetListItems(parsedId);
// checks if there are any items in the list
if (itemsInGList.Any())
{
// iterates through each item in the glist and deletes them by their Id's
foreach (Item item in itemsInGList)
{
_itemsEngine.DeleteItem(item.Id);
}
}
// deleting the actual list itself
_gListEngine.DeleteList(glist.Id);
}