public void TestTwoBallotsGeneratedWithinSafetyPeriod_HaveDifferentMessageNumber()
{
var identity = new byte[] {0};
var leaseConfig = new LeaseConfiguration
{
ClockDrift = TimeSpan.FromMilliseconds(500)
};
var ballotGenerator = new BallotGenerator(leaseConfig);
var ballot1 = ballotGenerator.New(identity);
Thread.Sleep((int)leaseConfig.ClockDrift.TotalMilliseconds / 10);
var ballot2 = ballotGenerator.New(identity);
Assert.GreaterOrEqual(leaseConfig.ClockDrift, ballot2.Timestamp - ballot1.Timestamp);
Assert.AreNotEqual(ballot1.MessageNumber, ballot2.MessageNumber);
}
internal static RoundBasedRegisterTestSetup CreateRoundBasedRegister(IEnumerable<string> synod, string localNodeUri)
{
var intercomMessageHubSocketFactory = new IntercomMessageHubSocketFactory();
var socketFactory = new Mock<ISocketFactory>();
socketFactory.Setup(m => m.CreateSubscriberSocket()).Returns(intercomMessageHubSocketFactory.CreateSubscriberSocket);
var appConfig = new ApplicationConfiguration
{
Synod = new SynodConfiguration
{
Members = synod,
ClockDrift = TimeSpan.FromMilliseconds(100),
MessageRoundtrip = TimeSpan.FromSeconds(4),
NodeResponseTimeout = TimeSpan.FromSeconds(2),
LocalNode = localNodeUri,
MaxLeaseTimeSpan = TimeSpan.FromSeconds(10)
}
};
var leaseConfig = new LeaseConfiguration
{
ClockDrift = appConfig.Synod.ClockDrift,
MaxLeaseTimeSpan = appConfig.Synod.MaxLeaseTimeSpan,
MessageRoundtrip = appConfig.Synod.MessageRoundtrip,
NodeResponseTimeout = appConfig.Synod.NodeResponseTimeout
};
var socketConfig = new SocketConfiguration
{
ReceivingHighWatermark = 1000,
SendingHighWatermark = 1000,
Linger = TimeSpan.Zero
};
var synodConfig = new Rendezvous.Consensus.SynodConfiguration(new SynodConfigurationProvider(appConfig));
var loggerMock = new Mock<ILogger>();
var intercomMessageHub = new IntercomMessageHub(new SocketFactory(socketConfig),
synodConfig,
loggerMock.Object);
var ballotGenerator = new BallotGenerator(leaseConfig);
var roundBasedRegister = new RoundBasedRegister(intercomMessageHub,
ballotGenerator,
synodConfig,
leaseConfig,
loggerMock.Object);
Thread.Sleep(TimeSpan.FromMilliseconds(400));
return new RoundBasedRegisterTestSetup(ballotGenerator, synodConfig.LocalNode, roundBasedRegister);
}
