Example #1
0
  /** Tests for {@link TopologyMap#containsNode(NodeIdentifier)}. */
  public final void testContainsNode() {
    networkGraph = new TopologyMap(NODE_5);

    assertTrue(networkGraph.containsNode(NODE_5));
    assertFalse(networkGraph.containsNode(NODE_4));
    assertTrue(networkGraph.containsNode(NodeIdentifierFactory.fromNodeId(NODE_5.getIdString())));
    assertFalse(
        networkGraph.containsNode(NodeIdentifierFactory.fromNodeId("FAKE" + NODE_5.getIdString())));
  }
Example #2
0
 /** Test for {@link TopologyMap#removeNode()}. */
 public final void testRemoveNode() {
   TopologyMap graph = new TopologyMap(NODE_2);
   graph.addNode(NODE_1);
   graph.removeNode(NODE_2);
   graph.removeNode((TopologyNode) null);
   assertTrue(graph.containsNode(NODE_1));
   graph.removeNode(NODE_1);
   assertFalse(graph.containsNode(NODE_1));
 }
Example #3
0
  /** Simple test for graph setup: NODE_1 - NODE_2 - NODE_3. */
  public final void testGraphSetUp() {
    networkGraph = new TopologyMap(NODE_1);

    networkGraph.addNode(NODE_1);
    networkGraph.addNode(NODE_2);
    networkGraph.addNode(NODE_3);

    assertTrue(GRAPH_CONTAINS_NODE, networkGraph.containsNode(NODE_1));
    assertTrue(GRAPH_CONTAINS_NODE, networkGraph.containsNode(NODE_2));
    assertTrue(GRAPH_CONTAINS_NODE, networkGraph.containsNode(NODE_3));
    assertFalse(GRAPH_DOES_NOT_CONTAIN_NODE, networkGraph.containsNode(NODE_4));
    assertFalse(GRAPH_DOES_NOT_CONTAIN_NODE, networkGraph.containsNode(NODE_5));

    networkGraph.addLink(NODE_1, NODE_2, CONNECTION_ID_1);
    networkGraph.addLink(NODE_2, NODE_3, CONNECTION_ID_1);

    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_2));
    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_2, NODE_3));
    assertFalse(GRAPH_CONTAINS_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_3));
    assertFalse(GRAPH_CONTAINS_CHANNEL, networkGraph.containsLinkBetween(NODE_4, NODE_5));
    assertEquals(DIFFERENT_NUMBER_OF_EDGES_IN_GRAPH_EXPECTED, 2, networkGraph.getLinkCount());
    assertEquals(DIFFERENT_NUMBER_OF_VERTICES_IN_GRAPH_EXPECTED, 3, networkGraph.getNodeCount());
  }
Example #4
0
  /** Build graph and do manipulations with some {@link LinkStateAdvertisement}s. */
  public final void testUpdateGraph() {
    // IMPORTANT: the test graph must be "owned" by a node that is not used in the test,
    // as TopologyMap was made to ignore external updates for its local node
    networkGraph = new TopologyMap(NODE_3);

    networkGraph.addNode(NODE_1);
    networkGraph.addNode(NODE_2);
    networkGraph.addNode(NODE_3);

    assertFalse(GRAPH_CONTAINS_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_3));
    assertFalse(GRAPH_CONTAINS_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_2));
    assertFalse(GRAPH_CONTAINS_CHANNEL, networkGraph.containsLinkBetween(NODE_2, NODE_3));

    networkGraph.addLink(NODE_1, NODE_2, CONNECTION_ID_1);
    networkGraph.addLink(NODE_2, NODE_3, CONNECTION_ID_2);

    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_2));
    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_2, NODE_3));
    assertFalse(GRAPH_CONTAINS_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_3));

    LinkStateAdvertisement lsa =
        LinkStateAdvertisement.createUpdateLsa(
            NODE_1,
            NODE_1_NAME,
            true,
            networkGraph.getSequenceNumberOfNode(NODE_1) + 1,
            networkGraph.hashCode(),
            true,
            Arrays.asList(
                new TopologyLink[] {
                  new TopologyLink(NODE_1, NODE_2, CONNECTION_ID_1),
                  new TopologyLink(NODE_1, NODE_3, CONNECTION_ID_3)
                }));

    assertTrue(LSA_CAUSED_NO_UPDATE, networkGraph.update(lsa));

    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_3));
    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_2));
    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_2, NODE_3));

    lsa =
        LinkStateAdvertisement.createUpdateLsa(
            NODE_1,
            NODE_1_NAME,
            true,
            networkGraph.getSequenceNumberOfNode(NODE_1) + 1,
            networkGraph.hashCode(),
            true,
            Arrays.asList(new TopologyLink[] {new TopologyLink(NODE_1, NODE_3, CONNECTION_ID_1)}));

    assertTrue(LSA_CAUSED_NO_UPDATE, networkGraph.update(lsa));

    assertFalse(GRAPH_CONTAINS_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_2));
    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_1, NODE_3));

    // inject a new node (NODE_4) via LSA
    lsa =
        LinkStateAdvertisement.createUpdateLsa(
            NODE_4,
            NODE_4_NAME,
            true,
            1,
            networkGraph.hashCode(),
            true,
            Arrays.asList(
                new TopologyLink[] {
                  new TopologyLink(NODE_4, NODE_3, CONNECTION_ID_1),
                  new TopologyLink(NODE_4, NODE_2, CONNECTION_ID_1)
                }));

    assertTrue(LSA_CAUSED_NO_UPDATE, networkGraph.update(lsa));

    assertTrue(GRAPH_CONTAINS_NODE, networkGraph.containsNode(NODE_4));
    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_4, NODE_3));

    lsa =
        LinkStateAdvertisement.createUpdateLsa(
            NODE_4,
            NODE_4_NAME,
            true,
            networkGraph.getSequenceNumberOfNode(NODE_4) + 1,
            networkGraph.hashCode(),
            true,
            Arrays.asList(new TopologyLink[] {new TopologyLink(NODE_4, NODE_5, CONNECTION_ID_1)}));

    assertFalse(GRAPH_DOES_NOT_CONTAIN_NODE, networkGraph.containsNode(NODE_5));

    // log.info(NetworkFormatter.summary(networkGraph));
    assertTrue(LSA_CAUSED_NO_UPDATE, networkGraph.update(lsa));

    assertTrue(GRAPH_CONTAINS_NODE, networkGraph.containsNode(NODE_5));
    assertTrue(GRAPH_SHOULD_CONTAIN_CHANNEL, networkGraph.containsLinkBetween(NODE_4, NODE_5));
  }