public void MasterSwitch()
{
masterKnown = true;
SentinelConn.GetSubscriber().Subscribe("+switch-master", (channel, message) =>
{
masterKnown = true;
});
IDatabase db = RedisConn.GetDatabase(0);
db.StringSet("TestValue0", "Value0");
db.KeyDelete("TestValue0");
RedisConn.GetServer(SentinelConn.GetConfiguredMasterForService()).Shutdown(ShutdownMode.Always);
Stopwatch sw = new Stopwatch();
sw.Start();
masterKnown = false;
Assert.Throws <RedisConnectionException>(() => { db.StringSet("TestValue1", "Value1"); db.KeyDelete("TestValue1"); }, "Can access master immediately after shutdown!");
while (!masterKnown)
{
if (sw.ElapsedMilliseconds > 180 * 1000)
{
throw new TimeoutException("Test timed out waiting for sentinel to switch master!");
}
Thread.Sleep(100);
}
Assert.True(masterKnown, "Master still unknown after timeout!");
Thread.Sleep(2000); // Wait for reconfigure
db.StringSet("TestValue2", "Value2");
db.KeyDelete("TestValue2");
}
