public void ReadChannelMessage_ShouldReadChannel()
{
// Arrange
var channelName = "SomeChannel";
var driver = new MeterDriverFake();
var sut = Sys.ActorOf(DriverActor.CreateProps(driver));
// Act
sut.Tell(new DriverActor.ReadChannel(channelName));
// Assert
ExpectMsg<DriverActor.ReadingsAvailable>(msg => msg.ChannelName == channelName);
}
public void ReadChannelMessage_ShouldBeStashedIfBusy()
{
// Arrange
var channelName = "SomeChannel";
var driver = new MeterDriverFake { ReadDuration = TimeSpan.FromSeconds(3) };
var sut = ActorOfAsTestActorRef<DriverActor>(DriverActor.CreateProps(driver));
sut.Tell(new DriverActor.ReadChannel(channelName));
// Act
sut.Tell(new DriverActor.ReadChannel(channelName));
// Assert
Assert.Equal(1, sut.UnderlyingActor.Stash.ClearStash().Count());
}
public void ReadChannelMessage_ShouldNotConnectIfAlreadyConnected()
{
// Arrange
var channelName = "SomeChannel";
var driver = new MeterDriverFake();
var sut = Sys.ActorOf(DriverActor.CreateProps(driver));
// Get some readings to make sure the driver is connected.
sut.Tell(new DriverActor.ReadChannel(channelName));
ExpectMsg<DriverActor.ReadingsAvailable>();
// Act
sut.Tell(new DriverActor.ReadChannel(channelName));
// Assert
ExpectMsg<DriverActor.ReadingsAvailable>(msg => msg.ChannelName == channelName);
// Check that we haven't connected more than once.
Assert.Equal(1, driver.ConnectCount);
}
public void ReadChannelMessage_ShouldRetryIfConnectionFailed()
{
// Arrange
var channelName = "SomeChannel";
var supervisor = CreateTestProbe("supervisor");
var driver = new MeterDriverFake { ThrowExceptionOnFirstConnect = true };
var sut = ActorOfAsTestActorRef<DriverActor>(DriverActor.CreateProps(driver), supervisor);
// Act
sut.Tell(new DriverActor.ReadChannel(channelName));
// Assert
var errorMessage = supervisor.ExpectMsg<DriverActor.ErrorOccured>();
Scheduler.Advance(errorMessage.RetryWaitTime);
ExpectMsg<DriverActor.ReadingsAvailable>(msg => msg.ChannelName == channelName);
Assert.Equal(2, driver.ConnectCount);
}