public async Task GivenRunningService_WhenStop_ThenServiceStopped()
{
// Arrange
var serialPortMonitorServiceConfiguration = new SerialPortMonitorServiceConfiguration
{
PollPauseMilliseconds = 100
};
var mockSerialPortDiscoveryService = new Mock <ISerialPortDiscoveryService>();
var mockDateTimeService = new Mock <IDateTimeService>();
var sut = new SerialPortMonitorService(
serialPortMonitorServiceConfiguration,
mockSerialPortDiscoveryService.Object,
mockDateTimeService.Object);
mockSerialPortDiscoveryService.Setup(x => x.GetPorts())
.Returns(Array.Empty <string>());
mockDateTimeService.SetupGet(x => x.UtcNow).Returns(DateTime.UtcNow);
sut.Start();
// Act
await sut.Stop();
// Assert
Assert.False(sut.IsRunning);
}
public async Task Given2PortsConnected_WhenStart_ThenPortConnectedEventsRaised()
{
// Arrange
var serialPortMonitorServiceConfiguration = new SerialPortMonitorServiceConfiguration
{
PollPauseMilliseconds = 100
};
var mockSerialPortDiscoveryService = new Mock <ISerialPortDiscoveryService>();
var mockDateTimeService = new Mock <IDateTimeService>();
var sut = new SerialPortMonitorService(
serialPortMonitorServiceConfiguration,
mockSerialPortDiscoveryService.Object,
mockDateTimeService.Object);
mockSerialPortDiscoveryService.Setup(x => x.GetPorts())
.Returns(new [] { "COM1", "COM2" });
mockDateTimeService.SetupGet(x => x.UtcNow).Returns(DateTime.UtcNow);
var currentlyConnectedPorts = new List <string>();
sut.PortsConnected += (sender, e) =>
{
currentlyConnectedPorts.AddRange(e.SerialPorts);
};
// Act
sut.Start();
await Task.Delay(1000).ConfigureAwait(false);
// Assert
Assert.Equal(2, currentlyConnectedPorts.Count);
Assert.Contains(currentlyConnectedPorts, x => x == "COM1");
Assert.Contains(currentlyConnectedPorts, x => x == "COM2");
}
public async Task GivenPortConnectionActivity_WhenRunning_ThenCorrectListOfConnectedPortsMaintained()
{
// Arrange
var serialPortMonitorServiceConfiguration = new SerialPortMonitorServiceConfiguration
{
PollPauseMilliseconds = 100
};
var mockSerialPortDiscoveryService = new Mock <ISerialPortDiscoveryService>();
var mockDateTimeService = new Mock <IDateTimeService>();
var sut = new SerialPortMonitorService(
serialPortMonitorServiceConfiguration,
mockSerialPortDiscoveryService.Object,
mockDateTimeService.Object);
mockDateTimeService.SetupGet(x => x.UtcNow).Returns(DateTime.UtcNow);
var currentlyConnectedPorts = new List <string>();
sut.PortsConnected += (sender, e) =>
{
foreach (var curPort in e.SerialPorts)
{
lock (currentlyConnectedPorts)
{
currentlyConnectedPorts.Add(curPort);
}
}
};
sut.PortsDisconnected += (sender, e) =>
{
foreach (var curPort in e.SerialPorts)
{
lock (currentlyConnectedPorts)
{
currentlyConnectedPorts.Remove(curPort);
}
}
};
// Act
sut.Start();
await PortConnectionActivity(mockSerialPortDiscoveryService).ConfigureAwait(false);
// Assert
Assert.Equal(2, currentlyConnectedPorts.Count);
Assert.Contains(currentlyConnectedPorts, x => x == "COM3");
Assert.Contains(currentlyConnectedPorts, x => x == "COM4");
}