//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes: //ORIGINAL LINE: @Test public void whenInToSlaveStateLosingQuorumShouldPutInPending() public virtual void WhenInToSlaveStateLosingQuorumShouldPutInPending() { // Given InstanceId me = new InstanceId(1); InstanceId other = new InstanceId(2); HighAvailabilityMemberContext context = new SimpleHighAvailabilityMemberContext(me, false); AvailabilityGuard guard = mock(typeof(DatabaseAvailabilityGuard)); ObservedClusterMembers members = MockClusterMembers(me, emptyList(), singletonList(other)); ClusterMemberEvents events = mock(typeof(ClusterMemberEvents)); ClusterMemberListenerContainer memberListenerContainer = MockAddClusterMemberListener(events); HighAvailabilityMemberStateMachine stateMachine = BuildMockedStateMachine(context, events, members, guard); stateMachine.Init(); ClusterMemberListener memberListener = memberListenerContainer.Get(); HAStateChangeListener probe = new HAStateChangeListener(); stateMachine.AddHighAvailabilityMemberListener(probe); // Send it to MASTER memberListener.MemberIsAvailable(MASTER, other, URI.create("ha://whatever"), StoreId.DEFAULT); assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.ToSlave)); // When memberListener.MemberIsFailed(new InstanceId(2)); // Then assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Pending)); assertThat(probe.InstanceStopsConflict, @is(false)); assertThat(probe.InstanceDetachedConflict, @is(true)); verify(guard, times(1)).require(any(typeof(AvailabilityRequirement))); }
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes: //ORIGINAL LINE: @Test public void whenInSlaveStateLosingOtherSlaveShouldNotPutInPending() public virtual void WhenInSlaveStateLosingOtherSlaveShouldNotPutInPending() { // Given InstanceId me = new InstanceId(1); InstanceId master = new InstanceId(2); InstanceId otherSlave = new InstanceId(3); HighAvailabilityMemberContext context = new SimpleHighAvailabilityMemberContext(me, false); AvailabilityGuard guard = mock(typeof(DatabaseAvailabilityGuard)); ObservedClusterMembers members = MockClusterMembers(me, singletonList(master), singletonList(otherSlave)); ClusterMemberEvents events = mock(typeof(ClusterMemberEvents)); ClusterMemberListenerContainer memberListenerContainer = MockAddClusterMemberListener(events); HighAvailabilityMemberStateMachine stateMachine = BuildMockedStateMachine(context, events, members, guard); stateMachine.Init(); ClusterMemberListener memberListener = memberListenerContainer.Get(); HAStateChangeListener probe = new HAStateChangeListener(); stateMachine.AddHighAvailabilityMemberListener(probe); // Send it to MASTER memberListener.MemberIsAvailable(MASTER, master, URI.create("ha://whatever"), StoreId.DEFAULT); memberListener.MemberIsAvailable(SLAVE, me, URI.create("ha://whatever3"), StoreId.DEFAULT); memberListener.MemberIsAvailable(SLAVE, otherSlave, URI.create("ha://whatever2"), StoreId.DEFAULT); assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Slave)); // When memberListener.MemberIsFailed(otherSlave); // Then assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Slave)); assertThat(probe.InstanceStopsConflict, @is(false)); }
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes: //ORIGINAL LINE: @Test public void whenInMasterStateLosingQuorumFromTwoInstancesShouldRemainMaster() public virtual void WhenInMasterStateLosingQuorumFromTwoInstancesShouldRemainMaster() { // Given InstanceId me = new InstanceId(1); InstanceId other = new InstanceId(2); HighAvailabilityMemberContext context = new SimpleHighAvailabilityMemberContext(me, false); AvailabilityGuard guard = mock(typeof(DatabaseAvailabilityGuard)); ObservedClusterMembers members = MockClusterMembers(me, emptyList(), singletonList(other)); ClusterMemberEvents events = mock(typeof(ClusterMemberEvents)); ClusterMemberListenerContainer memberListenerContainer = MockAddClusterMemberListener(events); HighAvailabilityMemberStateMachine stateMachine = BuildMockedStateMachine(context, events, members, guard); stateMachine.Init(); ClusterMemberListener memberListener = memberListenerContainer.Get(); HAStateChangeListener probe = new HAStateChangeListener(); stateMachine.AddHighAvailabilityMemberListener(probe); // Send it to MASTER memberListener.CoordinatorIsElected(me); memberListener.MemberIsAvailable(MASTER, me, URI.create("ha://whatever"), StoreId.DEFAULT); assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Master)); // When memberListener.MemberIsFailed(new InstanceId(2)); // Then assertThat(stateMachine.CurrentState, equalTo(HighAvailabilityMemberState.Master)); assertThat(probe.InstanceStopsConflict, @is(false)); assertThat(probe.InstanceDetachedConflict, @is(false)); }
public HighAvailabilityMemberStateMachine(HighAvailabilityMemberContext context, AvailabilityGuard databaseAvailabilityGuard, ObservedClusterMembers members, ClusterMemberEvents events, Election election, LogProvider logProvider) { this._context = context; this._databaseAvailabilityGuard = databaseAvailabilityGuard; this._members = members; this._events = events; this._election = election; this._log = logProvider.getLog(this.GetType()); _state = HighAvailabilityMemberState.Pending; }
private static System.Func <ClusterMembers> GetClusterMembers(string memberRole, HighAvailabilityMemberState memberState) { HighAvailabilityMemberStateMachine stateMachine = mock(typeof(HighAvailabilityMemberStateMachine)); when(stateMachine.CurrentState).thenReturn(memberState); ClusterMember clusterMember = spy(new ClusterMember(new InstanceId(1))); when(clusterMember.HARole).thenReturn(memberRole); ObservedClusterMembers observedClusterMembers = mock(typeof(ObservedClusterMembers)); when(observedClusterMembers.CurrentMember).thenReturn(clusterMember); return(() => new ClusterMembers(observedClusterMembers, stateMachine)); }
private ObservedClusterMembers MockClusterMembers(InstanceId me, IList <InstanceId> alive, IList <InstanceId> failed) { ObservedClusterMembers members = mock(typeof(ObservedClusterMembers)); // we cannot set outside of the package the isAlive to return false. So do it with a mock IList <ClusterMember> aliveMembers = new List <ClusterMember>(alive.Count); IList <ClusterMember> failedMembers = new List <ClusterMember>(failed.Count); foreach (InstanceId instanceId in alive) { ClusterMember otherMember = mock(typeof(ClusterMember)); when(otherMember.InstanceId).thenReturn(instanceId); // the failed argument tells us which instance should be marked as failed when(otherMember.Alive).thenReturn(true); aliveMembers.Add(otherMember); } foreach (InstanceId instanceId in failed) { ClusterMember otherMember = mock(typeof(ClusterMember)); when(otherMember.InstanceId).thenReturn(instanceId); // the failed argument tells us which instance should be marked as failed when(otherMember.Alive).thenReturn(false); failedMembers.Add(otherMember); } ClusterMember thisMember = new ClusterMember(me); aliveMembers.Add(thisMember); IList <ClusterMember> allMembers = new List <ClusterMember>(); ((IList <ClusterMember>)allMembers).AddRange(aliveMembers); // thisMember is in aliveMembers ((IList <ClusterMember>)allMembers).AddRange(failedMembers); when(members.Members).thenReturn(allMembers); when(members.AliveMembers).thenReturn(aliveMembers); return(members); }
internal virtual StateMachineBuilder WithClusterMembers(ObservedClusterMembers clusterMember) { this.ClusterMembers = clusterMember; return(this); }
private HighAvailabilityMemberStateMachine BuildMockedStateMachine(HighAvailabilityMemberContext context, ClusterMemberEvents events, ObservedClusterMembers clusterMembers, AvailabilityGuard guard) { return((new StateMachineBuilder()).WithContext(context).withEvents(events).withClusterMembers(clusterMembers).withGuard(guard).build()); }
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes: //ORIGINAL LINE: @Test public void whenHAModeSwitcherSwitchesToSlaveTheOtherModeSwitcherDoNotGetTheOldMasterClient() throws Throwable //JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#: public virtual void WhenHAModeSwitcherSwitchesToSlaveTheOtherModeSwitcherDoNotGetTheOldMasterClient() { InstanceId me = new InstanceId(1); StoreId storeId = newStoreIdForCurrentVersion(); HighAvailabilityMemberContext context = mock(typeof(HighAvailabilityMemberContext)); when(context.MyId).thenReturn(me); AvailabilityGuard guard = mock(typeof(DatabaseAvailabilityGuard)); ObservedClusterMembers members = mock(typeof(ObservedClusterMembers)); ClusterMember masterMember = mock(typeof(ClusterMember)); when(masterMember.HARole).thenReturn("master"); when(masterMember.HasRole("master")).thenReturn(true); when(masterMember.InstanceId).thenReturn(new InstanceId(2)); when(masterMember.StoreId).thenReturn(storeId); ClusterMember self = new ClusterMember(me); when(members.Members).thenReturn(Arrays.asList(self, masterMember)); when(members.CurrentMember).thenReturn(self); DependencyResolver dependencyResolver = mock(typeof(DependencyResolver)); FileSystemAbstraction fs = mock(typeof(FileSystemAbstraction)); when(fs.FileExists(any(typeof(File)))).thenReturn(true); when(dependencyResolver.ResolveDependency(typeof(FileSystemAbstraction))).thenReturn(fs); when(dependencyResolver.ResolveDependency(typeof(Monitors))).thenReturn(new Monitors()); NeoStoreDataSource dataSource = mock(typeof(NeoStoreDataSource)); when(dataSource.DependencyResolver).thenReturn(dependencyResolver); when(dataSource.StoreId).thenReturn(storeId); when(dependencyResolver.ResolveDependency(typeof(NeoStoreDataSource))).thenReturn(dataSource); when(dependencyResolver.ResolveDependency(typeof(TransactionIdStore))).thenReturn(new SimpleTransactionIdStore()); when(dependencyResolver.ResolveDependency(typeof(ObservedClusterMembers))).thenReturn(members); UpdatePuller updatePuller = mock(typeof(UpdatePuller)); when(updatePuller.TryPullUpdates()).thenReturn(true); when(dependencyResolver.ResolveDependency(typeof(UpdatePuller))).thenReturn(updatePuller); ClusterMemberAvailability clusterMemberAvailability = mock(typeof(ClusterMemberAvailability)); //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final TriggerableClusterMemberEvents events = new TriggerableClusterMemberEvents(); TriggerableClusterMemberEvents events = new TriggerableClusterMemberEvents(); Election election = mock(typeof(Election)); HighAvailabilityMemberStateMachine stateMachine = new HighAvailabilityMemberStateMachine(context, guard, members, events, election, NullLogProvider.Instance); ClusterMembers clusterMembers = new ClusterMembers(members, stateMachine); when(dependencyResolver.ResolveDependency(typeof(ClusterMembers))).thenReturn(clusterMembers); stateMachine.Init(); stateMachine.Start(); //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final org.neo4j.kernel.ha.DelegateInvocationHandler<org.neo4j.kernel.ha.com.master.Master> handler = new org.neo4j.kernel.ha.DelegateInvocationHandler<>(org.neo4j.kernel.ha.com.master.Master.class); DelegateInvocationHandler <Master> handler = new DelegateInvocationHandler <Master>(typeof(Master)); MasterClientResolver masterClientResolver = mock(typeof(MasterClientResolver)); MasterClient masterClient = mock(typeof(MasterClient)); when(masterClient.ProtocolVersion).thenReturn(MasterClient214.PROTOCOL_VERSION); when(masterClient.Handshake(anyLong(), any(typeof(StoreId)))).thenReturn(new ResponseAnonymousInnerClass(this, storeId, mock(typeof(ResourceReleaser)), handler)); when(masterClient.ToString()).thenReturn("TheExpectedMasterClient!"); when(masterClientResolver.Instantiate(anyString(), anyInt(), anyString(), any(typeof(Monitors)), any(typeof(StoreId)), any(typeof(LifeSupport)))).thenReturn(masterClient); //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final java.util.concurrent.CountDownLatch latch = new java.util.concurrent.CountDownLatch(2); System.Threading.CountdownEvent latch = new System.Threading.CountdownEvent(2); //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final java.util.concurrent.atomic.AtomicBoolean switchedSuccessfully = new java.util.concurrent.atomic.AtomicBoolean(); AtomicBoolean switchedSuccessfully = new AtomicBoolean(); SwitchToSlave.Monitor monitor = new MonitorAnonymousInnerClass(this, latch, switchedSuccessfully); Config config = Config.defaults(ClusterSettings.server_id, me.ToString()); DatabaseTransactionStats transactionCounters = mock(typeof(DatabaseTransactionStats)); when(transactionCounters.NumberOfActiveTransactions).thenReturn(0L); PageCache pageCacheMock = mock(typeof(PageCache)); PagedFile pagedFileMock = mock(typeof(PagedFile)); when(pagedFileMock.LastPageId).thenReturn(1L); when(pageCacheMock.Map(any(typeof(File)), anyInt())).thenReturn(pagedFileMock); TransactionIdStore transactionIdStoreMock = mock(typeof(TransactionIdStore)); when(transactionIdStoreMock.LastCommittedTransaction).thenReturn(new TransactionId(0, 0, 0)); SwitchToSlaveCopyThenBranch switchToSlave = new SwitchToSlaveCopyThenBranch(DatabaseLayout.of(new File("")), NullLogService.Instance, mock(typeof(FileSystemAbstraction)), config, mock(typeof(HaIdGeneratorFactory)), handler, mock(typeof(ClusterMemberAvailability)), mock(typeof(RequestContextFactory)), mock(typeof(PullerFactory), RETURNS_MOCKS), Iterables.empty(), masterClientResolver, monitor, new Org.Neo4j.com.storecopy.StoreCopyClientMonitor_Adapter(), Suppliers.singleton(dataSource), Suppliers.singleton(transactionIdStoreMock), slave => { SlaveServer mock = mock(typeof(SlaveServer)); when(mock.SocketAddress).thenReturn(new InetSocketAddress("localhost", 123)); return(mock); }, updatePuller, pageCacheMock, mock(typeof(Monitors)), () => transactionCounters); ComponentSwitcherContainer switcherContainer = new ComponentSwitcherContainer(); HighAvailabilityModeSwitcher haModeSwitcher = new HighAvailabilityModeSwitcher(switchToSlave, mock(typeof(SwitchToMaster)), election, clusterMemberAvailability, mock(typeof(ClusterClient)), storeSupplierMock(), me, switcherContainer, NeoStoreDataSourceSupplierMock(), NullLogService.Instance); haModeSwitcher.Init(); haModeSwitcher.Start(); haModeSwitcher.ListeningAt(URI.create("http://localhost:12345")); stateMachine.AddHighAvailabilityMemberListener(haModeSwitcher); //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final java.util.concurrent.atomic.AtomicReference<org.neo4j.kernel.ha.com.master.Master> ref = new java.util.concurrent.atomic.AtomicReference<>(null); AtomicReference <Master> @ref = new AtomicReference <Master>(null); //noinspection unchecked AbstractComponentSwitcher <object> otherModeSwitcher = new AbstractComponentSwitcherAnonymousInnerClass(this, mock(typeof(DelegateInvocationHandler)), handler, latch, @ref); switcherContainer.Add(otherModeSwitcher); // When events.SwitchToSlave(me); // Then latch.await(); assertTrue("mode switch failed", switchedSuccessfully.get()); Master actual = @ref.get(); // let's test the toString()s since there are too many wrappers of proxies assertEquals(masterClient.ToString(), actual.ToString()); stateMachine.Stop(); stateMachine.Shutdown(); haModeSwitcher.Stop(); haModeSwitcher.Shutdown(); }