public void TestSearch()
{
// make a collection
atomCollection search_collection = new atomCollection();
// add some nodes to the collection
const int no_of_nodes = 10;
for (int i = 0; i < no_of_nodes; i++)
{
node n = new node();
n.SetImportance(1.0f - (i / (float)no_of_nodes), atom.SHORT_TERM_IMPORTANCE);
search_collection.Add(n);
}
// create a search agent
agentSearch seeker = new agentSearch(search_collection, "importance",
atom.SHORT_TERM_IMPORTANCE);
// create an exemplar to match against
node exemplar = new node();
exemplar.SetImportance(0.7f, atom.SHORT_TERM_IMPORTANCE);
// link the exemplar to the the search agent
bool link_added = seeker.AddIncomingLink("hebbian", exemplar, new truthvalue());
Assert.IsTrue(link_added, "Link created");
// run the agent until it completes
seeker.Run();
while (seeker.running) seeker.Run();
atomCollection search_results = seeker.GetSearchResults();
// check that some results were produced
Assert.IsNotNull(search_results, "search results were returned");
if (search_results != null)
{
// check that the number of nodes is what we expect
Assert.AreEqual(search_results.Count(), no_of_nodes, "expected number of nodes in the search pool");
//check that the results are sorted
int i = 1;
bool in_order = true;
while ((i < search_results.Count()) && (in_order))
{
if (seeker.GetDifference(i) < seeker.GetDifference(i - 1)) in_order = false;
i++;
}
Assert.IsTrue(in_order, "search results are sorted in ascending order of difference from the exemplar");
}
}
