public void DepthVideo_Is_Drawn_When_RenderDepth_Is_True_And_The_DepthVideoOutputTarget_Is_Defined_And_Valid()
{
VastPark.Legacy.Environment.Initialise(System.IO.Path.GetTempPath());
var context = new ImmlDocument();
var parkEngine = new Mock<IParkEngine>();
parkEngine.Setup(c => c.Context).Returns(context);
var renderEngine = new Mock<IRenderEngine>();
parkEngine.Setup(r => r.RenderEngine).Returns(renderEngine.Object);
var scriptEngine = new Mock<IScriptEngine>();
scriptEngine.Setup(s => s.WriteLine(It.IsAny<string>())).Callback<string>(a => System.Diagnostics.Debug.WriteLine(a));
parkEngine.Setup(s => s.ScriptEngine).Returns(scriptEngine.Object);
var primitive = ImmlElementFactory.CreatePrimitive();
primitive.Name = "DepthTarget";
context.Add(primitive);
var timePeriod = TimeSpan.FromSeconds(30); //allow up to 30 seconds for the context to become ready
var slimResetEvent = new SlimResetEvent(100);
var start = DateTime.Now;
var textureWritten = false;
Texture.TextureBytesLoaded += delegate
{
textureWritten = true;
};
ThreadPool.QueueUserWorkItem(w =>
{
using (var plugin = new OpenNiPlugin())
{
plugin.SetParkEngine(parkEngine.Object);
plugin.RenderDepth = true;
plugin.DepthVideoOutputTarget = primitive.Name;
plugin.Load();
plugin.Enabled = true;
while (DateTime.Now.Subtract(start) < timePeriod)
{
plugin.Update();
if (textureWritten)
{
break;
}
Thread.Sleep(16);
}
slimResetEvent.Set();
}
});
slimResetEvent.Wait();
Assert.True(textureWritten);
}
public void Scheduler_Executes_Tasks_Within_Fifty_Milliseconds_Of_The_Desired_Time()
{
var marginForError = 50; //ms that the execution can be out by
var tasks = 3;
var executedTasks = 0;
var guid = Guid.NewGuid();
var start = DateTime.MinValue;
var scheduler = new Scheduler();
var resetEvent = new SlimResetEvent(20);
var expectedExecutionOffset = new List<double>();
var stateController = new Mock<IStateController>();
stateController.Setup(m => m.Guid).Returns(guid);
stateController.Setup(m => m.Execute(It.IsAny<ICaptureState>())).Callback<ICaptureState>(delegate(ICaptureState state)
{
//validate the time offset as being roughly simlar to the expected offset
var actualOffset = HighResClock.Now.Subtract(scheduler.Started).TotalMilliseconds;
var expectedOffset = expectedExecutionOffset[executedTasks];
Assert.True(actualOffset <= expectedOffset + marginForError); //ok if its late by the marginForError
executedTasks++;
if (executedTasks == tasks)
{
resetEvent.Set();
}
});
var stateResolver = new Mock<IStateResolver>();
stateResolver.Setup(m => m.Find(It.IsAny<Guid>())).Returns(stateController.Object);
var taskFactory = new TaskFactory(stateResolver.Object);
for (int i = 0; i < tasks; i++)
{
var mock = new Mock<ICaptureState>();
mock.Setup(m => m.Guid).Returns(guid);
mock.Setup(m => m.Timestamp).Returns(DateTime.UtcNow.AddMilliseconds(i * 30));
mock.Setup(m => m.Offset).Returns(i * 30);
var task = taskFactory.Create(mock.Object);
scheduler.Add(task);
expectedExecutionOffset.Add(task.DesiredExecution.TotalMilliseconds);
}
scheduler.Start();
resetEvent.Wait();
Assert.Equal(tasks, executedTasks);
scheduler.Stop();
}
public void CaptureService_Can_Write_A_Capture_To_Disk_When_Backed_By_A_FileStream()
{
var statesToWrite = 100;
var simulator = new WeatherSimulator();
var controller = new WeatherStateController(simulator);
var stateResolver = new StateResolver();
stateResolver.Add(controller);
var tmpFile = System.IO.Path.GetTempFileName();
try
{
using (var ms = new FileStream(tmpFile,FileMode.Create))
{
var baseStream = new ConcurrentStream(ms);
var captureService = new CaptureService
{
Stream = baseStream,
StateResolver = stateResolver
};
captureService.Start();
controller.Initialise(captureService.CaptureStream);
simulator.Start();
var count = 0;
var resetEvent = new SlimResetEvent(20);
simulator.NewTemperature += delegate
{
count++;
if (count == statesToWrite)
{
simulator.Stop();
resetEvent.Set();
}
};
resetEvent.Wait();
captureService.Flush();
}
Assert.True(File.Exists(tmpFile));
Assert.True(new FileInfo(tmpFile).Length > 0);
}
finally
{
File.Delete(tmpFile);
}
}
public void Scheduler_Executes_Tasks_Chronologically()
{
var tasks = 3;
var executedTasks = 0;
var guid = Guid.NewGuid();
var resetEvent = new SlimResetEvent(20);
var lastTimestamp = DateTime.MinValue;
var stateController = new Mock<IStateController>();
stateController.Setup(m => m.Guid).Returns(guid);
stateController.Setup(m => m.Execute(It.IsAny<ICaptureState>())).Callback <ICaptureState>(delegate(ICaptureState state)
{
//validate the order of execution
Assert.True(state.Timestamp > lastTimestamp);
lastTimestamp = state.Timestamp;
executedTasks++;
if (executedTasks == tasks)
{
resetEvent.Set();
}
});
var stateResolver = new Mock<IStateResolver>();
stateResolver.Setup(m => m.Find(It.IsAny<Guid>())).Returns(stateController.Object);
var scheduler = new Scheduler();
var taskFactory = new TaskFactory(stateResolver.Object);
for (int i = 0; i < tasks; i++)
{
var mock = new Mock<ICaptureState>();
mock.Setup(m => m.Guid).Returns(guid);
mock.Setup(m => m.Timestamp).Returns(DateTime.UtcNow.AddMilliseconds(i + 1));
var task = taskFactory.Create(mock.Object);
scheduler.Add(task);
}
scheduler.Start();
resetEvent.Wait();
Assert.Equal(tasks, executedTasks);
scheduler.Stop();
}
public void PlaybackService_Supports_Multiple_ICaptureStream_Instances()
{
var resetEvent = new SlimResetEvent(20);
var expectedStates = long.MaxValue;
var executedStates = 0;
var stateController = new WeatherStateController(new WeatherSimulator());
var stateResolver = new StateResolver();
stateResolver.Add(stateController);
stateController.StateExecuted += delegate
{
executedStates++;
if (executedStates == expectedStates)
{
resetEvent.Set();
}
};
var playbackService = new PlaybackService(stateResolver);
var ms = VastPark.FrameworkBase.IO.EmbeddedResource.GetMemoryStream("Continuum.Test.Samples.weather-simulation.continuum", Assembly.GetExecutingAssembly());
var stream1 = new ConcurrentStream(new MemoryStream(ms.ToArray()));
var captureStream1 = new CaptureStream(stream1, System.IO.FileAccess.Read, stateResolver);
var stream2 = new ConcurrentStream(new MemoryStream(ms.ToArray()));
var captureStream2 = new CaptureStream(stream2, System.IO.FileAccess.Read, stateResolver);
expectedStates = captureStream1.Count + captureStream2.Count;
playbackService.Add(captureStream1);
playbackService.Add(captureStream2);
playbackService.Start();
resetEvent.Wait();
}
public void When_The_Kinect_Is_Connected_The_Plugin_Successfully_Loads()
{
VastPark.Legacy.Environment.Initialise(System.IO.Path.GetTempPath());
var timePeriod = TimeSpan.FromSeconds(30); //allow up to 30 seconds for the context to become ready
var slimResetEvent = new SlimResetEvent(100);
var start = DateTime.Now;
var contextReady = false;
ThreadPool.QueueUserWorkItem(w =>
{
using(var plugin = new OpenNiPlugin())
{
plugin.Load();
plugin.Enabled = true;
while (DateTime.Now.Subtract(start) < timePeriod)
{
plugin.Update();
if (plugin.IsContextReady)
{
break;
}
Thread.Sleep(16);
}
contextReady = plugin.IsContextReady;
slimResetEvent.Set();
}
});
slimResetEvent.Wait();
Assert.True(contextReady);
}
public void Custom_Capture_Formats_Are_Recorded_Correctly()
{
var resetEvent = new SlimResetEvent(20);
var desiredStates = 200;
var generatedStates = 0;
var ms = new MemoryStream();
var stream = new ConcurrentStream(ms);
var weatherSimulator = new WeatherSimulator();
_StateResolver = new StateResolver();
//build the controller that manages weather states
var controller = new WeatherStateController(weatherSimulator);
//watch the simluator for the desired number of states
weatherSimulator.NewTemperature += delegate
{
generatedStates++;
if (generatedStates >= desiredStates)
{
weatherSimulator.Stop();
resetEvent.Set();
}
};
//register it with the capture service
_StateResolver = new StateResolver();
_StateResolver.Add(controller);
//create the capture stream, will create an entry in the SAT for the WeatherStateController
var captureStream = new CaptureStream(stream, FileAccess.Write, _StateResolver);
//pass the controller the stream so that it can be written to
controller.Initialise(captureStream);
//start the simulator, the controller will watch for changes internally
weatherSimulator.Start();
//wait until the event is raised [desiredStates] number of times
resetEvent.Wait();
Assert.Equal(generatedStates, captureStream.Count);
//rewind the stream and open it for reading, verify the values match
stream.Position = 0;
captureStream = new CaptureStream(stream, FileAccess.Read, _StateResolver);
for (int i = 0; i < captureStream.Count; i++)
{
var state = captureStream.Read();
Assert.Equal(weatherSimulator.History[i], (state as WeatherCaptureState).Temperature);
}
}
