Examples with MapEnvironment aima.core.environment.map.MapEnvironment used on opensource projects

Example 16 with MapEnvironment

use of aima.core.environment.map.MapEnvironment in project aima-java by aimacode.

the class LRTAStarAgentTest method testNoPath.

@Test
public void testNoPath() {
    MapEnvironment me = new MapEnvironment(aMap);
    OnlineSearchProblem<String, MoveToAction> problem = new GeneralProblem<>(null, MapFunctions.createActionsFunction(aMap), null, GoalTest.isEqual("G"), MapFunctions.createDistanceStepCostFunction(aMap));
    LRTAStarAgent<String, MoveToAction> agent = new LRTAStarAgent<>(problem, MapFunctions.createPerceptToStateFunction(), h);
    me.addAgent(agent, "A");
    me.addEnvironmentView(new TestEnvironmentView());
    // Note: Will search forever if no path is possible,
    // Therefore restrict the number of steps to something
    // reasonablbe, against which to test.
    me.step(14);
    Assert.assertEquals("Action[name==moveTo, location==B]->Action[name==moveTo, location==A]->Action[name==moveTo, location==B]->Action[name==moveTo, location==C]->Action[name==moveTo, location==B]->Action[name==moveTo, location==C]->Action[name==moveTo, location==D]->Action[name==moveTo, location==C]->Action[name==moveTo, location==D]->Action[name==moveTo, location==E]->Action[name==moveTo, location==D]->Action[name==moveTo, location==E]->Action[name==moveTo, location==F]->Action[name==moveTo, location==E]->", envChanges.toString());
}

Example 17 with MapEnvironment

use of aima.core.environment.map.MapEnvironment in project aima-java by aimacode.

the class LRTAStarAgentTest method testAlreadyAtGoal.

@Test
public void testAlreadyAtGoal() {
    MapEnvironment me = new MapEnvironment(aMap);
    OnlineSearchProblem<String, MoveToAction> problem = new GeneralProblem<>(null, MapFunctions.createActionsFunction(aMap), null, GoalTest.isEqual("A"), MapFunctions.createDistanceStepCostFunction(aMap));
    LRTAStarAgent<String, MoveToAction> agent = new LRTAStarAgent<>(problem, MapFunctions.createPerceptToStateFunction(), h);
    me.addAgent(agent, "A");
    me.addEnvironmentView(new TestEnvironmentView());
    me.stepUntilDone();
    Assert.assertEquals("Action[name==NoOp]->", envChanges.toString());
}

Example 18 with MapEnvironment

use of aima.core.environment.map.MapEnvironment in project aima-java by aimacode.

the class OnlineDFSAgentTest method testNoPath.

@Test
public void testNoPath() {
    aMap = new ExtendableMap();
    aMap.addBidirectionalLink("A", "B", 1.0);
    MapEnvironment me = new MapEnvironment(aMap);
    OnlineSearchProblem<String, MoveToAction> problem = new GeneralProblem<>(null, MapFunctions.createActionsFunction(aMap), null, GoalTest.isEqual("X"), MapFunctions.createDistanceStepCostFunction(aMap));
    OnlineDFSAgent<String, MoveToAction> agent = new OnlineDFSAgent<>(problem, MapFunctions.createPerceptToStateFunction());
    me.addAgent(agent, "A");
    me.addEnvironmentView(new TestEnvironmentView());
    me.stepUntilDone();
    Assert.assertEquals("Action[name==moveTo, location==B]->Action[name==moveTo, location==A]->Action[name==moveTo, location==B]->Action[name==moveTo, location==A]->Action[name==NoOp]->", envChanges.toString());
}

Example 19 with MapEnvironment

use of aima.core.environment.map.MapEnvironment in project aima-java by aimacode.

the class BidirectionalSearchTest method test_ABC_StartingAtGoal.

//
// Test IG(A)<->(B)<->(C)
@Test
public void test_ABC_StartingAtGoal() {
    ExtendableMap aMap = new ExtendableMap();
    aMap.addBidirectionalLink("A", "B", 5.0);
    aMap.addBidirectionalLink("B", "C", 5.0);
    MapEnvironment me = new MapEnvironment(aMap);
    SimpleMapAgent ma = new SimpleMapAgent(me.getMap(), me, search, new String[] { "A" });
    me.addAgent(ma, "A");
    me.addEnvironmentView(new BDSEnvironmentView());
    me.stepUntilDone();
    Assert.assertEquals("CurrentLocation=In(A), Goal=In(A):Action[name==NoOp]:METRIC[pathCost]=0.0:METRIC[maxQueueSize]=0:METRIC[queueSize]=0:METRIC[nodesExpanded]=0:Action[name==NoOp]:", envChanges.toString());
}

Example 20 with MapEnvironment

use of aima.core.environment.map.MapEnvironment in project aima-java by aimacode.

the class BidirectionalSearchTest method test_ABCDEF_ReverseFirstButNotFromOriginal.

/**
	 * <code>
	 * Test I(A)<->(B)<->(C)<->(D)<->(E)<->G(F)
	 *        +                       |
	 *        -------------------------
	 * </code>
	 */
@Test
public void test_ABCDEF_ReverseFirstButNotFromOriginal() {
    ExtendableMap aMap = new ExtendableMap();
    aMap.addBidirectionalLink("A", "B", 5.0);
    aMap.addBidirectionalLink("B", "C", 5.0);
    aMap.addBidirectionalLink("C", "D", 5.0);
    aMap.addBidirectionalLink("D", "E", 5.0);
    aMap.addBidirectionalLink("E", "F", 5.0);
    aMap.addUnidirectionalLink("E", "A", 5.0);
    MapEnvironment me = new MapEnvironment(aMap);
    SimpleMapAgent ma = new SimpleMapAgent(me.getMap(), me, search, new String[] { "F" });
    me.addAgent(ma, "A");
    me.addEnvironmentView(new BDSEnvironmentView());
    me.stepUntilDone();
    Assert.assertEquals("CurrentLocation=In(A), Goal=In(F):Action[name==moveTo, location==B]:Action[name==moveTo, location==C]:Action[name==moveTo, location==D]:Action[name==moveTo, location==E]:Action[name==moveTo, location==F]:METRIC[pathCost]=25.0:METRIC[maxQueueSize]=2:METRIC[queueSize]=1:METRIC[nodesExpanded]=6:Action[name==NoOp]:", envChanges.toString());
}