BE-GRAPH/src/test/org/insa/graph/NodeTest.java

89 lines
3.1 KiB
Java

package org.insa.graph;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.util.ArrayList;
import org.insa.graph.RoadInformation.RoadType;
import org.junit.Before;
import org.junit.Test;
public class NodeTest {
// List of nodes
private Node[] nodes;
@Before
public void initAll() throws IOException {
// Create nodes
nodes = new Node[6];
for (int i = 0; i < nodes.length; ++i) {
nodes[i] = new Node(i, null);
}
Node.linkNodes(nodes[0], nodes[1], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, false, 1, null),
new ArrayList<>());
Node.linkNodes(nodes[0], nodes[2], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, false, 1, null),
new ArrayList<>());
Node.linkNodes(nodes[0], nodes[4], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, true, 1, null), new ArrayList<>());
Node.linkNodes(nodes[1], nodes[2], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, false, 1, null),
new ArrayList<>());
Node.linkNodes(nodes[2], nodes[3], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, true, 1, null), new ArrayList<>());
Node.linkNodes(nodes[2], nodes[3], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, true, 1, null), new ArrayList<>());
Node.linkNodes(nodes[2], nodes[3], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, true, 1, null), new ArrayList<>());
Node.linkNodes(nodes[3], nodes[0], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, false, 1, null),
new ArrayList<>());
Node.linkNodes(nodes[3], nodes[4], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, true, 1, null), new ArrayList<>());
Node.linkNodes(nodes[4], nodes[0], 0,
new RoadInformation(RoadType.UNCLASSIFIED, null, true, 1, null), new ArrayList<>());
}
/**
* @return The first arc between from a to b, or null.
*/
private Arc getFirstArcBetween(Node a, Node b) {
for (Arc arc: a.getSuccessors()) {
if (arc.getDestination().equals(b)) {
return arc;
}
}
return null;
}
@Test
public void testGetNumberOfSuccessors() {
final int[] expNbSucc = { 4, 2, 5, 2, 1, 0 };
assertEquals(nodes.length, expNbSucc.length);
for (int i = 0; i < expNbSucc.length; ++i) {
assertEquals(nodes[i].getNumberOfSuccessors(), expNbSucc[i]);
}
}
@Test
public void testHasSuccessors() {
final int[] expNbSucc = { 4, 2, 5, 2, 1, 0 };
assertEquals(nodes.length, expNbSucc.length);
for (int i = 0; i < expNbSucc.length; ++i) {
assertEquals(nodes[i].hasSuccessors(), expNbSucc[i] != 0);
}
}
@Test
public void testLinkNodes() {
assertEquals(getFirstArcBetween(nodes[0], nodes[1]).getRoadInformation(),
getFirstArcBetween(nodes[1], nodes[0]).getRoadInformation());
}
}