/// <exception cref="System.Exception"/>
public virtual void TestDontJoinElectionOnDisconnectAndReconnect()
{
electors[0].EnsureParentZNode();
StopServer();
ActiveStandbyElectorTestUtil.WaitForElectorState(null, electors[0], ActiveStandbyElector.State
.Neutral);
StartServer();
WaitForServerUp(hostPort, ConnectionTimeout);
// Have to sleep to allow time for the clients to reconnect.
Thread.Sleep(2000);
Org.Mockito.Mockito.Verify(cbs[0], Org.Mockito.Mockito.Never()).BecomeActive();
Org.Mockito.Mockito.Verify(cbs[1], Org.Mockito.Mockito.Never()).BecomeActive();
CheckFatalsAndReset();
}
/// <exception cref="System.Exception"/>
public virtual void TestHandleSessionExpirationOfStandby()
{
// Let elector 0 be active
electors[0].EnsureParentZNode();
electors[0].JoinElection(appDatas[0]);
ZooKeeperServer zks = GetServer(serverFactory);
ActiveStandbyElectorTestUtil.WaitForActiveLockData(null, zks, ParentDir, appDatas
[0]);
Org.Mockito.Mockito.Verify(cbs[0], Org.Mockito.Mockito.Timeout(1000)).BecomeActive
();
CheckFatalsAndReset();
// Let elector 1 be standby
electors[1].JoinElection(appDatas[1]);
ActiveStandbyElectorTestUtil.WaitForElectorState(null, electors[1], ActiveStandbyElector.State
.Standby);
Log.Info("========================== Expiring standby's session");
zks.CloseSession(electors[1].GetZKSessionIdForTests());
// Should enter neutral mode when disconnected
Org.Mockito.Mockito.Verify(cbs[1], Org.Mockito.Mockito.Timeout(1000)).EnterNeutralMode
();
// Should re-join the election and go back to STANDBY
ActiveStandbyElectorTestUtil.WaitForElectorState(null, electors[1], ActiveStandbyElector.State
.Standby);
CheckFatalsAndReset();
Log.Info("========================== Quitting election");
electors[1].QuitElection(false);
// Double check that we don't accidentally re-join the election
// by quitting elector 0 and ensuring elector 1 doesn't become active
electors[0].QuitElection(false);
// due to receiving the "expired" event.
Thread.Sleep(1000);
Org.Mockito.Mockito.Verify(cbs[1], Org.Mockito.Mockito.Never()).BecomeActive();
ActiveStandbyElectorTestUtil.WaitForActiveLockData(null, zks, ParentDir, null);
CheckFatalsAndReset();
}
/// <summary>Wait for the given elector to enter the given elector state.</summary>
/// <param name="idx">the service index (0 or 1)</param>
/// <param name="state">the state to wait for</param>
/// <exception cref="System.Exception">
/// if it times out, or an exception occurs on one
/// of the ZKFC threads while waiting.
/// </exception>
public virtual void WaitForElectorState(int idx, ActiveStandbyElector.State state
)
{
ActiveStandbyElectorTestUtil.WaitForElectorState(ctx, GetElector(idx), state);
}
