public void TraverseToRoot()
{
//Arrange
int position = 0;
List <Quest> children = new List <Quest>()
{
new FakeQuest(),
};
Quest parent = new FakeQuest {
Children = children
};
Quest childToTraverse = children[position];
childToTraverse.Parent = parent;
IQuestTree tree = MockRepository.GenerateStrictMock <IQuestTree>();
tree.Expect(tr => tr.IsInitialized()).
Repeat.Once().
Return(true);
tree.Expect(tr => tr.Initialize()).
Repeat.Never();
tree.Expect(tr => tr.Root).
Repeat.Times(7).
Return(parent);
tree.Expect(tr => tr.LoadChildren(Arg <Quest> .Is.Equal(childToTraverse))).
Repeat.Once();
tree.Expect(tr => tr.UnloadChildren(Arg <Quest> .Is.Equal(childToTraverse))).
Repeat.Once();
QuestListModelTopChildrenPredicate list = new QuestListModelTopChildrenPredicate(tree, q => true);
//Act
list.Initialize();
bool traverseResult = list.TraverseToLeaf(position);
bool traverseToRootResult = list.TraverseToRoot();
Quest listParent = list.Parent;
List <Quest> listChildren = list.Leaves;
//Assert
Assert.AreEqual(parent, listParent);
Assert.AreEqual(children, listChildren);
Assert.IsTrue(traverseResult);
Assert.IsTrue(traverseToRootResult);
tree.VerifyAllExpectations();
}
public void TraverseToLeafOutOfBoundary(int position)
{
//Arrange
List <Quest> children = new List <Quest>()
{
new FakeQuest(),
new FakeQuest(),
new FakeQuest(),
new FakeQuest()
};
Quest parent = new FakeQuest()
{
Children = children
};
IQuestTree tree = MockRepository.GenerateStrictMock <IQuestTree>();
tree.Expect(tr => tr.IsInitialized()).
Repeat.Once().
Return(true);
tree.Expect(tr => tr.Initialize()).
Repeat.Never();
tree.Expect(tr => tr.Root).
Repeat.Twice().
Return(parent);
QuestListModelTopChildrenPredicate list = new QuestListModelTopChildrenPredicate(tree, q => true);
//Act
list.Initialize();
bool traverseResult = list.TraverseToLeaf(position);
//Assert
Assert.IsFalse(traverseResult);
tree.VerifyAllExpectations();
}
public void TraverseToLeafWithOrderStrategy()
{
//Arrange
int position = 0;
Func <Quest, bool> predicate = q => true;
List <Quest> children = new List <Quest>()
{
new FakeQuest(),
new FakeQuest(),
new FakeQuest(),
new FakeQuest()
};
Quest childToTraverse = children[position];
List <Quest> childChildren = new List <Quest>();
Quest parent = new FakeQuest {
Children = children
};
IQuestTree tree = MockRepository.GenerateStrictMock <IQuestTree>();
tree.Expect(tr => tr.IsInitialized()).
Repeat.Once().
Return(true);
tree.Expect(tr => tr.Initialize()).
Repeat.Never();
tree.Expect(tr => tr.Root).
Repeat.Times(3).
Return(parent);
tree.Expect(tr => tr.LoadChildren(Arg <Quest> .Is.Equal(childToTraverse))).
Repeat.Once().
Do(new Action <Quest>((q) =>
{
q.Children = childChildren;
}));
IQuestOrderStrategy strategy = MockRepository.GenerateStrictMock <IQuestOrderStrategy>();
strategy.Expect(str => str.Order(Arg <IEnumerable <Quest> > .Is.Anything))
.Repeat.Once()
.Return(children.OrderBy(q => q.IsImportant));
strategy.Expect(str => str.Order(Arg <IEnumerable <Quest> > .Is.Anything))
.Repeat.Once()
.Return(childChildren.OrderBy(q => q.IsImportant));
QuestListModelTopChildrenPredicate list = new QuestListModelTopChildrenPredicate(tree, predicate)
{
OrderStrategy = strategy
};
//Act
list.Initialize();
bool traverseResult = list.TraverseToLeaf(position);
Quest listParent = list.Parent;
List <Quest> listChildren = list.Leaves;
//Assert
Assert.AreEqual(childToTraverse, listParent);
Assert.AreEqual(childChildren, listChildren);
Assert.IsTrue(traverseResult);
tree.VerifyAllExpectations();
strategy.VerifyAllExpectations();
}