public void Selector_Node_Stays_Running_When_A_Child_Is_Running()
{
var mock = Substitute.For <BTNode>();
mock.Update().Returns(NodeState.Running);
SelectorNode seq = new SelectorNode();
seq.AddChild(mock);
Assert.IsTrue(seq.Update() == NodeState.Running);
}
public void Selector_Node_Fails_If_All_Of_Its_Children_Fails(int childsCount)
{
SelectorNode seq = new SelectorNode();
for (int i = 0; i < childsCount; i++)
{
var mock = Substitute.For <BTNode>();
mock.Update().Returns(NodeState.Failure);
seq.AddChild(mock);
}
for (int i = 0; i < childsCount; i++)
{
if (i == childsCount - 1)
{
Assert.IsTrue(seq.Update() == NodeState.Failure);
}
else
{
Assert.IsTrue(seq.Update() == NodeState.Running);
}
}
}
public void Sequence_Node_Succeds_When_One_Child_Succeeds(int childsCount, int successAt)
{
SelectorNode seq = new SelectorNode();
for (int i = 0; i < childsCount; i++)
{
var mock = Substitute.For <BTNode>();
mock.Update().Returns(i == successAt ? NodeState.Success : NodeState.Failure);
seq.AddChild(mock);
}
for (int i = 0; i <= successAt; i++)
{
if (i == successAt)
{
Assert.IsTrue(seq.Update() == NodeState.Success);
}
else
{
Assert.IsTrue(seq.Update() == NodeState.Running);
}
}
}
public void Selector_Properly_Resets_After_Finishing(NodeState finishState)
{
SelectorNode seq = new SelectorNode();
int finishIdx = finishState == NodeState.Failure ? 2 : 1;
for (int i = 0; i < 3; i++)
{
var mock = Substitute.For <BTNode>();
mock.Update().Returns(i == finishIdx ? finishState : NodeState.Failure);
seq.AddChild(mock);
}
// if it runs correctly after the second time, it has been properly reset
for (int j = 0; j < 2; j++)
{
for (int i = 0; i <= finishIdx; i++)
{
var expected = i == finishIdx ? finishState : NodeState.Running;
Assert.IsTrue(seq.Update() == expected);
}
}
}
public void Selector_Succeeds_If_It_Has_No_Children()
{
SelectorNode seq = new SelectorNode();
Assert.IsTrue(seq.Update() == NodeState.Success);
}
