public void TestMonitoringMessages()
{
var mock = new Mock<IConnector>();
mock.Setup(x => x.Connected).Returns(true);
LivenessMonitor monitor = new LivenessMonitor(mock.Object, 500, 500);
monitor.Enable();
mock.Raise(x => x.MessageReceived += null, new MessageEvent(new DummyMessage()));
Assert.IsTrue(monitor.IsUp);
Thread.Sleep(250);
mock.Raise(x => x.MessageReceived += null, new MessageEvent(new DummyMessage()));
Assert.IsTrue(monitor.IsUp);
Thread.Sleep(250);
mock.Raise(x => x.MessageReceived += null, new MessageEvent(new DummyMessage()));
Assert.IsTrue(monitor.IsUp);
Thread.Sleep(2000); // provoke timeout
Assert.IsFalse(monitor.IsUp);
}
public void DetectDeadConnection()
{
ManualResetEvent evt = new ManualResetEvent(false);
var mock = new Mock<IConnector>();
LivenessMonitor monitor = new LivenessMonitor(mock.Object, 500, 500);
monitor.ConnectionDied += (snd, e) =>
{
evt.Set();
};
monitor.Enable();
if (!evt.WaitOne(1000))
{
// ConnectionDied event was not fired
Assert.Fail("Dead connection not detected.");
}
}
public void TestReceiveIAmAliveMessage()
{
bool testConnSent = false;
var mock = new Mock<IConnector>();
mock.Setup(x => x.Connected).Returns(true);
LivenessMonitor monitor = new LivenessMonitor(mock.Object, 500, 500);
monitor.Enable();
// make sure that TestConn is sent
mock.Setup(x => x.Send(It.IsAny<Message>())).Callback(new Action<Message>((msg) =>
{
testConnSent = true;
}));
Thread.Sleep(650);
mock.Raise(x => x.MessageReceived += null, new MessageEvent(ConfConn.INSTANCE)); // send "i am alive"
Assert.IsTrue(monitor.IsUp);
Thread.Sleep(2000); // let the conenction die
Assert.IsFalse(monitor.IsUp);
Assert.IsTrue(testConnSent); // TestConn was sent
}
public void TestSendingKeepAliveMessage()
{
ManualResetEvent evt = new ManualResetEvent(false);
var mock = new Mock<IConnector>();
mock.Setup(x => x.Send(It.IsAny<Message>())).Callback(new Action<Message>((msg) =>
{
if (msg.TypeId == TestConn.ID)
{
evt.Set();
}
}));
mock.Setup(x => x.Connected).Returns(true);
LivenessMonitor monitor = new LivenessMonitor(mock.Object, 500, 500);
monitor.Enable();
if (!evt.WaitOne(1000))
{
Assert.Fail("TestConn not sent.");
}
}