Examples with ClusterMemberEvents org.neo4j.cluster.member.ClusterMemberEvents used on opensource projects

Example 21 with ClusterMemberEvents

use of org.neo4j.cluster.member.ClusterMemberEvents in project neo4j by neo4j.

the class HighAvailabilityMemberStateMachineTest method shouldSwitchToToSlaveOnMasterAvailableForSomeoneElse.

@Test
public void shouldSwitchToToSlaveOnMasterAvailableForSomeoneElse() throws Throwable {
    // Given
    InstanceId me = new InstanceId(1);
    HighAvailabilityMemberContext context = new SimpleHighAvailabilityMemberContext(me, false);
    ClusterMemberEvents events = mock(ClusterMemberEvents.class);
    ClusterMemberListenerContainer memberListenerContainer = mockAddClusterMemberListener(events);
    HighAvailabilityMemberStateMachine stateMachine = buildMockedStateMachine(context, events);
    stateMachine.init();
    ClusterMemberListener memberListener = memberListenerContainer.get();
    HAStateChangeListener probe = new HAStateChangeListener();
    stateMachine.addHighAvailabilityMemberListener(probe);
    // When
    memberListener.memberIsAvailable(MASTER, new InstanceId(2), URI.create("ha://whatever"), StoreId.DEFAULT);
    // Then
    assertThat(stateMachine.getCurrentState(), equalTo(HighAvailabilityMemberState.TO_SLAVE));
    assertThat(probe.masterIsAvailable, is(true));
}

Example 22 with ClusterMemberEvents

use of org.neo4j.cluster.member.ClusterMemberEvents in project neo4j by neo4j.

the class ObservedClusterMembersTest method iCanGetToMyself.

@Test
public void iCanGetToMyself() throws Exception {
    // given
    Cluster cluster = mock(Cluster.class);
    Heartbeat heartbeat = mock(Heartbeat.class);
    ClusterMemberEvents memberEvents = mock(ClusterMemberEvents.class);
    ObservedClusterMembers members = new ObservedClusterMembers(logProvider, cluster, heartbeat, memberEvents, clusterId1);
    // when
    ArgumentCaptor<ClusterListener> listener = ArgumentCaptor.forClass(ClusterListener.class);
    verify(cluster).addClusterListener(listener.capture());
    listener.getValue().enteredCluster(clusterConfiguration(clusterUri1, clusterUri2));
    ClusterMember me = members.getCurrentMember();
    assertNotNull(me);
    assertEquals(1, me.getInstanceId().toIntegerIndex());
    assertEquals(clusterId1, me.getInstanceId());
}

Example 23 with ClusterMemberEvents

use of org.neo4j.cluster.member.ClusterMemberEvents in project neo4j by neo4j.

the class ObservedClusterMembersTest method leftMemberDisappearsFromList.

@Test
public void leftMemberDisappearsFromList() throws Exception {
    // given
    Cluster cluster = mock(Cluster.class);
    Heartbeat heartbeat = mock(Heartbeat.class);
    ClusterMemberEvents memberEvents = mock(ClusterMemberEvents.class);
    ObservedClusterMembers members = new ObservedClusterMembers(logProvider, cluster, heartbeat, memberEvents, null);
    ArgumentCaptor<ClusterListener> listener = ArgumentCaptor.forClass(ClusterListener.class);
    verify(cluster).addClusterListener(listener.capture());
    listener.getValue().enteredCluster(clusterConfiguration(clusterUri1, clusterUri2, clusterUri3));
    // when
    listener.getValue().leftCluster(clusterId3, clusterUri3);
    // then
    assertThat(members.getMembers(), not(hasItems(sameMemberAs(new ClusterMember(clusterId3)))));
}

Example 24 with ClusterMemberEvents

use of org.neo4j.cluster.member.ClusterMemberEvents in project neo4j by neo4j.

the class ObservedClusterMembersTest method shouldContainMemberListAfterEnteringCluster.

@Test
public void shouldContainMemberListAfterEnteringCluster() throws Exception {
    // given
    Cluster cluster = mock(Cluster.class);
    Heartbeat heartbeat = mock(Heartbeat.class);
    ClusterMemberEvents memberEvents = mock(ClusterMemberEvents.class);
    ObservedClusterMembers members = new ObservedClusterMembers(logProvider, cluster, heartbeat, memberEvents, null);
    // when
    ArgumentCaptor<ClusterListener> listener = ArgumentCaptor.forClass(ClusterListener.class);
    verify(cluster).addClusterListener(listener.capture());
    listener.getValue().enteredCluster(clusterConfiguration(clusterUri1, clusterUri2, clusterUri3));
    // then
    assertThat(members.getMembers(), hasItems(sameMemberAs(new ClusterMember(clusterId1)), sameMemberAs(new ClusterMember(clusterId2)), sameMemberAs(new ClusterMember(clusterId3))));
}

Example 25 with ClusterMemberEvents

use of org.neo4j.cluster.member.ClusterMemberEvents in project neo4j by neo4j.

the class ObservedClusterMembersTest method availableSlaveShowsProperInformation.

@Test
public void availableSlaveShowsProperInformation() throws Exception {
    // given
    Cluster cluster = mock(Cluster.class);
    Heartbeat heartbeat = mock(Heartbeat.class);
    ClusterMemberEvents memberEvents = mock(ClusterMemberEvents.class);
    ObservedClusterMembers members = new ObservedClusterMembers(logProvider, cluster, heartbeat, memberEvents, null);
    ArgumentCaptor<ClusterListener> listener = ArgumentCaptor.forClass(ClusterListener.class);
    verify(cluster).addClusterListener(listener.capture());
    listener.getValue().enteredCluster(clusterConfiguration(clusterUri1, clusterUri2, clusterUri3));
    ArgumentCaptor<ClusterMemberListener> memberListener = ArgumentCaptor.forClass(ClusterMemberListener.class);
    verify(memberEvents).addClusterMemberListener(memberListener.capture());
    // when
    memberListener.getValue().memberIsAvailable(SLAVE, clusterId1, haUri1, StoreId.DEFAULT);
    // then
    assertThat(members.getMembers(), hasItem(sameMemberAs(new ClusterMember(clusterId1).availableAs(SLAVE, haUri1, StoreId.DEFAULT))));
}