public void Add_HierarchyTest()
{
TestHelper.ClearDatabase(options);
TaskNote[] tasks = { new TaskNote {
Name = "1"
}, new TaskNote{
Name = "2"
}, new TaskNote{
Name = "3"
} };
var manager = new TaskTreeManager(options);
manager.Add(tasks[0]);
manager.Add(tasks[1], tasks[0]);
manager.Add(tasks[2], tasks[0]);
var Descendants = manager.GetDescendants(tasks[0].Id);
Action act = () => manager.Add(null);
Assert.Equal(tasks[0].Id, manager.GetAncestor(tasks[1].Id).Id);
Assert.Equal(tasks[0].Id, manager.GetAncestor(tasks[2].Id).Id);
Assert.Single(Descendants.Where(t => t.Id == tasks[1].Id));
Assert.Single(Descendants.Where(t => t.Id == tasks[2].Id));
Assert.Throws <NullReferenceException>(act);
}
public void GetAncestor_Test()
{
TestHelper.ClearDatabase(options);
TaskNote[] tasks = { new TaskNote {
Name = "1"
}, new TaskNote {
Name = "2"
}, new TaskNote {
Name = "3"
} };
TaskTreeManager manager = new TaskTreeManager(options);
manager.Add(tasks[0]);
manager.Add(tasks[1], tasks[0]);
manager.Add(tasks[2], tasks[0]);
Assert.Null(manager.GetAncestor(tasks[0].Id));
Assert.Equal(tasks[0].Id, manager.GetAncestor(tasks[1].Id).Id);
Assert.Equal(tasks[0].Id, manager.GetAncestor(tasks[2].Id).Id);
}