private TraversalDescription friendToSuggestionTraversalDescription() {
return Traversal.description()
.breadthFirst()
.relationships(ConnectionType.KNOWS)
.evaluator(Evaluators.excludeStartPosition())
.evaluator(Evaluators.atDepth(2));
}
private void canPreFilterNodes(TraversalDescription description) {
Traverser traverser =
description
.uniqueness(Uniqueness.NONE)
.evaluator(Evaluators.atDepth(2))
.traverse(referenceNode());
expectPaths(traverser, "1,2,6", "1,3,5", "1,4,5", "1,5,3", "1,5,4", "1,5,6");
}