public void TestObviationCondition(IBlackboard blackboard, ReactiveKnowledgeSource ks, IUnit[] unitsToAdd)
{
blackboard.Clear(); // Clear the blackboard so that there aren't KUs laying around from previous tests.
// Add the units in unitsToAdd
foreach (IUnit unitToAdd in unitsToAdd)
{
blackboard.AddUnit(unitToAdd);
}
// Call KnowledgeSource.Precondition() to get the activated KSs.
IEnumerable <IKnowledgeSourceActivation> KSAs = ks.Precondition();
// If there are any activated KSs...
if (KSAs.Any())
{
// First, the obviation condition should evaluate to false since the matching KUs are still on the blackboard.
foreach (IKnowledgeSourceActivation KSA in KSAs)
{
Assert.False(KSA.EvaluateObviationCondition());
}
// Second, remove the units from the blackboard
foreach (IUnit unitToRemove in unitsToAdd)
{
blackboard.RemoveUnit(unitToRemove);
}
// Finally, the obviation condition should now evaluate to true since the matching KUs are no longer on the blackboard.
foreach (IKnowledgeSourceActivation KSA in KSAs)
{
Assert.True(KSA.EvaluateObviationCondition());
}
}
}
public void TestPrecondition(IBlackboard blackboard, ReactiveKnowledgeSource ks, IUnit[] unitsToAdd, bool previouslyMatched, int numActivatedKSs)
{
blackboard.Clear(); // Clear the blackboard so that there aren't KUs laying around from previous tests.
// Add the units in unitsToAdd
foreach (IUnit unitToAdd in unitsToAdd)
{
blackboard.AddUnit(unitToAdd);
// If they should be marked as previously matched, set KSPreconditionMatched
if (previouslyMatched)
{
unitToAdd.Slots[KSPreconditionMatched] = new HashSet <ReactiveKnowledgeSource> {
ks
};
}
}
// Call KnowledgeSource.Precondition() to get the activated KSs.
IEnumerable <IKnowledgeSourceActivation> KSAs = ks.Precondition();
// Check that the number of activated KSs equals the number we're expecting
int count = KSAs.Count();
Assert.Equal(numActivatedKSs, count);
/*
* fixme: need to remove this because we're no longer storing matches on the matching units. Instead store match sets on the KnowledgeSources.
* For now I've created a separate test for Selector Knowledge Sources (which already implement match set storage) until we get this
* resolved for all KnowledgeSources.
*
* If there were activated KSs, check that the KUs were marked as having been matched.
*/
if (count > 0)
{
foreach (IUnit u in unitsToAdd)
{
Assert.True(u.Slots.ContainsKey(KSPreconditionMatched));
bool containsKS = ((HashSet <ReactiveKnowledgeSource>)u.Slots[KSPreconditionMatched]).Contains(ks);
Assert.True(containsKS);
}
}
// Run the preconditions again to verify that on a second running they don't activate any KSs.
KSAs = ks.Precondition();
count = KSAs.Count();
Assert.Equal(0, count);
}