Examples with ClusterContext org.neo4j.cluster.protocol.cluster.ClusterContext used on opensource projects

Example 26 with ClusterContext

use of org.neo4j.cluster.protocol.cluster.ClusterContext in project neo4j by neo4j.

the class HeartbeatIAmAliveProcessorTest method shouldNotProcessMessagesWithEqualFromAndToHeaders.

@Test
public void shouldNotProcessMessagesWithEqualFromAndToHeaders() throws Exception {
    URI to = URI.create("ha://someAwesomeInstanceInJapan");
    // GIVEN
    MessageHolder outgoing = mock(MessageHolder.class);
    ClusterContext mockContext = mock(ClusterContext.class);
    ClusterConfiguration mockConfiguration = mock(ClusterConfiguration.class);
    when(mockConfiguration.getMembers()).thenReturn(new HashMap<InstanceId, URI>() {

        {
            put(new InstanceId(1), URI.create("ha://1"));
            put(new InstanceId(2), URI.create("ha://2"));
        }
    });
    when(mockContext.getConfiguration()).thenReturn(mockConfiguration);
    HeartbeatIAmAliveProcessor processor = new HeartbeatIAmAliveProcessor(outgoing, mockContext);
    Message incoming = Message.to(mock(MessageType.class), to).setHeader(Message.FROM, to.toASCIIString()).setHeader(Message.INSTANCE_ID, "1");
    // WHEN
    processor.process(incoming);
    // THEN
    verifyZeroInteractions(outgoing);
}

Example 27 with ClusterContext

use of org.neo4j.cluster.protocol.cluster.ClusterContext in project neo4j by neo4j.

the class HeartbeatIAmAliveProcessorTest method shouldCorrectlySetTheInstanceIdHeaderInTheGeneratedHeartbeat.

@Test
public void shouldCorrectlySetTheInstanceIdHeaderInTheGeneratedHeartbeat() throws Exception {
    final List<Message> sentOut = new LinkedList<Message>();
    // Given
    MessageHolder holder = mock(MessageHolder.class);
    // The sender, which adds messages outgoing to the list above.
    doAnswer(new Answer() {

        @Override
        public Object answer(InvocationOnMock invocation) throws Throwable {
            sentOut.add((Message) invocation.getArguments()[0]);
            return null;
        }
    }).when(holder).offer(Matchers.<Message<MessageType>>any());
    ClusterContext mockContext = mock(ClusterContext.class);
    ClusterConfiguration mockConfiguration = mock(ClusterConfiguration.class);
    when(mockConfiguration.getMembers()).thenReturn(new HashMap<InstanceId, URI>() {

        {
            put(new InstanceId(1), URI.create("ha://1"));
            put(new InstanceId(2), URI.create("ha://2"));
        }
    });
    when(mockContext.getConfiguration()).thenReturn(mockConfiguration);
    HeartbeatIAmAliveProcessor processor = new HeartbeatIAmAliveProcessor(holder, mockContext);
    Message incoming = Message.to(mock(MessageType.class), URI.create("ha://someAwesomeInstanceInJapan")).setHeader(Message.INSTANCE_ID, "2").setHeader(Message.FROM, "ha://2");
    // WHEN
    processor.process(incoming);
    // THEN
    assertEquals(1, sentOut.size());
    assertEquals(HeartbeatMessage.i_am_alive, sentOut.get(0).getMessageType());
    assertEquals(new InstanceId(2), ((HeartbeatMessage.IAmAliveState) sentOut.get(0).getPayload()).getServer());
}

Example 28 with ClusterContext

use of org.neo4j.cluster.protocol.cluster.ClusterContext in project neo4j by neo4j.

the class HeartbeatIAmAliveProcessorTest method shouldNotCreateHeartbeatsForNonExistingInstances.

@Test
public void shouldNotCreateHeartbeatsForNonExistingInstances() throws Exception {
    // GIVEN
    MessageHolder outgoing = mock(MessageHolder.class);
    ClusterContext mockContext = mock(ClusterContext.class);
    ClusterConfiguration mockConfiguration = mock(ClusterConfiguration.class);
    when(mockConfiguration.getMembers()).thenReturn(new HashMap<InstanceId, URI>() {

        {
            put(new InstanceId(1), URI.create("ha://1"));
            put(new InstanceId(2), URI.create("ha://2"));
        }
    });
    when(mockContext.getConfiguration()).thenReturn(mockConfiguration);
    HeartbeatIAmAliveProcessor processor = new HeartbeatIAmAliveProcessor(outgoing, mockContext);
    Message incoming = Message.to(mock(MessageType.class), URI.create("ha://someAwesomeInstanceInJapan")).setHeader(Message.FROM, "some://value").setHeader(Message.INSTANCE_ID, "5");
    // WHEN
    processor.process(incoming);
    // THEN
    verifyZeroInteractions(outgoing);
}

Example 29 with ClusterContext

use of org.neo4j.cluster.protocol.cluster.ClusterContext in project neo4j by neo4j.

the class DefaultWinnerStrategyTest method theWinnerShouldHaveTheBestVoteCredentials.

@Test
public void theWinnerShouldHaveTheBestVoteCredentials() throws Exception {
    // given
    InstanceId instanceOne = new InstanceId(1);
    InstanceId instanceTwo = new InstanceId(2);
    ClusterContext clusterContext = mock(ClusterContext.class);
    final Log log = mock(Log.class);
    LogProvider logProvider = new LogProvider() {

        @Override
        public Log getLog(Class loggingClass) {
            return log;
        }

        @Override
        public Log getLog(String name) {
            return log;
        }
    };
    when(clusterContext.getLog(DefaultWinnerStrategy.class)).thenReturn(logProvider.getLog(DefaultWinnerStrategy.class));
    // when
    Collection<Vote> votes = Arrays.asList(new Vote(instanceOne, new IntegerElectionCredentials(1)), new Vote(instanceTwo, new IntegerElectionCredentials(2)));
    DefaultWinnerStrategy strategy = new DefaultWinnerStrategy(clusterContext);
    org.neo4j.cluster.InstanceId winner = strategy.pickWinner(votes);
    // then
    assertEquals(instanceTwo, winner);
}

Example 30 with ClusterContext

use of org.neo4j.cluster.protocol.cluster.ClusterContext in project neo4j by neo4j.

the class DefaultWinnerStrategyTest method shouldLogElectionProcess.

@Test
public void shouldLogElectionProcess() {
    // given
    ClusterContext clusterContext = mock(ClusterContext.class);
    final Log log = mock(Log.class);
    LogProvider logProvider = new LogProvider() {

        @Override
        public Log getLog(Class loggingClass) {
            return log;
        }

        @Override
        public Log getLog(String name) {
            return log;
        }
    };
    when(clusterContext.getLog(DefaultWinnerStrategy.class)).thenReturn(logProvider.getLog(DefaultWinnerStrategy.class));
    // when
    Collection<Vote> votes = Collections.emptyList();
    DefaultWinnerStrategy strategy = new DefaultWinnerStrategy(clusterContext);
    strategy.pickWinner(votes);
    // then
    verify(log).debug("Election: received votes [], eligible votes []");
}