C# Controller.NextEpoch方法代码示例

        public void OutputPipelineContinuity(
            [Values(1000, 5000, 10000, 15000, 20000)] double sampleRate,
            [Values(0.1, 0.5, 1, 5)] double blockDurationSeconds
            )
        {
            const double epochDuration = 2; //seconds
            var srate = new Measurement((decimal) sampleRate, "Hz");

            var daq = new TestDAQController();
            var outStream = new DAQOutputStream("OUT")
                                {
                                    SampleRate = srate,
                                    MeasurementConversionTarget = "V"
                                };

            var controller = new Controller() { Clock = daq, DAQController = daq };

            var dev = new UnitConvertingExternalDevice("dev", "co", controller, new Measurement(0, "V"))
                          {
                              Clock = daq,
                              MeasurementConversionTarget = "V"
                          };
            dev.BindStream(outStream);

            // Setup Epoch
            var e = new Epoch("OutputPipelineContinuity");

            var nSamples = (int)TimeSpan.FromSeconds(epochDuration).Samples(srate);
            IList<IMeasurement> stimData = (IList<IMeasurement>) Enumerable.Range(0, nSamples)
                                                       .Select(i => new Measurement((decimal) (8 * Math.Sin(((double)i) / (nSamples / 10.0))), "V") as IMeasurement)
                                                       .ToList();
            IOutputData stimOutputData = new OutputData(stimData, srate);

            var stim = new RenderedStimulus((string) "RenderedStimulus", (IDictionary<string, object>) new Dictionary<string, object>(),
                                            stimOutputData);
            e.Stimuli[dev] = stim;
            e.Responses[dev] = new Response();
            e.Background[dev] = new Epoch.EpochBackground(new Measurement(0, "V"), srate);

            controller.EnqueueEpoch(e);
            controller.NextEpoch();

            var blockSpan = TimeSpan.FromSeconds(blockDurationSeconds);
            foreach (var stimBlock in stim.DataBlocks(blockSpan))
            {
                var cons = stimOutputData.SplitData(blockSpan);
                var expected = cons.Head.Data;
                stimOutputData = cons.Rest;

                Assert.That(stimBlock.Data, Is.EqualTo(expected));
            }
        }

        public void ShouldTruncateResponseAtEpochBoundary()
        {
            var c = new Controller();

            var e = new Epoch(UNUSED_PROTOCOL);
            var dev1 = new UnitConvertingExternalDevice("dev2", "co", c, new Measurement(0, "V"));

            var sampleRate = new Measurement(1, "Hz");

            var samples = new List<IMeasurement> { new Measurement(1, "V"), new Measurement(2, "V"), new Measurement(3, "V") };

            var data = new OutputData(samples,
                                      sampleRate, true);

            e.Stimuli[dev1] = new RenderedStimulus((string) "ID1",
                                                   (IDictionary<string, object>) new Dictionary<string, object>(),
                                                   (IOutputData) data);
            e.Responses[dev1] = new Response();

            c.EnqueueEpoch(e);
            c.NextEpoch();
            c.PushInputData(dev1, new InputData(samples.Concat(samples).ToList(),
                sampleRate,
                DateTimeOffset.Now)
                .DataWithStreamConfiguration(streamFake, new Dictionary<string, object>())
                .DataWithExternalDeviceConfiguration(devFake, new Dictionary<string, object>()));

            Assert.That(((TimeSpan)e.Responses[dev1].Duration), Is.EqualTo((TimeSpan)e.Duration));
        }

        public void ShouldSupplyEpochBackgroundForExternalDevicesWithoutStimuli()
        {
            var c = new Controller();
            var dev1 = new UnitConvertingExternalDevice("dev1", "co", c, new Measurement(0, "V"));
            var dev2 = new UnitConvertingExternalDevice("dev2", "co", c, new Measurement(0, "V"));

            int baseSamples = 1000;
            IList<IMeasurement> data = (IList<IMeasurement>)Enumerable.Range(0, baseSamples)
                .Select(i => new Measurement(i, "V") as IMeasurement)
                .ToList();

            Measurement sampleRate = new Measurement(baseSamples, "Hz");
            var config = new Dictionary<string, object>();

            IOutputData data1 = new OutputData(data, sampleRate, true);

            var e = new Epoch("");
            e.Stimuli[dev1] = new RenderedStimulus((string) "RenderedStimulus", (IDictionary<string, object>) config, data1);

            var backgroundMeasurement = new Measurement(3.2m, "V");

            e.Background[dev2] = new Epoch.EpochBackground(backgroundMeasurement, sampleRate);

            c.EnqueueEpoch(e);
            c.NextEpoch();
            var out1 = c.PullOutputData(dev1, e.Duration);
            Assert.NotNull(out1);

            var out2 = c.PullOutputData(dev2, e.Duration);
            Assert.NotNull(out2);
            Assert.AreEqual((TimeSpan)e.Duration, out2.Duration);
            Assert.AreEqual(backgroundMeasurement, out2.Data.First());
        }

        public void PullsOutputData()
        {
            var c = new Controller();
            IExternalDevice dev = new UnitConvertingExternalDevice(UNUSED_DEVICE_NAME, UNUSED_DEVICE_MANUFACTURER, c, UNUSED_BACKGROUND);

            const int srate = 1000;
            IList<IMeasurement> data = (IList<IMeasurement>) Enumerable.Range(0, srate * 2).Select(i => new Measurement(i, "V") as IMeasurement).ToList();
            var sampleRate = new Measurement(srate, "Hz");

            IOutputData data1 = new OutputData(data, sampleRate, false);

            var e = new Epoch("");
            e.Stimuli[dev] = new RenderedStimulus((string) "RenderedStimulus", (IDictionary<string, object>) new Dictionary<string, object>(),
                data1);
            e.Background[dev] = new Epoch.EpochBackground(new Measurement(0, "V"), sampleRate);

            c.EnqueueEpoch(e);

            TimeSpan d1 = TimeSpan.FromSeconds(0.75);

            c.EnqueueEpoch(e);
            c.NextEpoch();
            var pull1 = c.PullOutputData(dev, d1);
            var pull2 = c.PullOutputData(dev, d1);

            var samples = (int)d1.Samples(new Measurement(srate, "Hz"));
            Assert.AreEqual(data.Take(samples).ToList(),
                pull1.Data);
            Assert.AreEqual(data.Skip(samples).Take(samples).ToList(),
                pull2.Data);

            var pull3 = c.PullOutputData(dev, d1);
            Assert.AreEqual(data.Skip(2 * samples)
                .Take(samples)
                .Concat(Enumerable.Range(0, srate - samples).Select(i => e.Background[dev].Background))
                .ToList(),
                pull3.Data);
        }

        public void NextEpochThrowsIfCannotDequeue()
        {
            var c = new Controller();

            var e = new Epoch(UNUSED_PROTOCOL);
            var dev1 = new UnitConvertingExternalDevice("dev2", "co", c, new Measurement(0, "V"));

            var sampleRate = new Measurement(1, "Hz");

            var samples = new List<IMeasurement> { new Measurement(1, "V"), new Measurement(2, "V"), new Measurement(3, "V") };

            var data = new OutputData(samples,
                                      sampleRate, true);

            e.Stimuli[dev1] = new RenderedStimulus((string) "ID1",
                                                   (IDictionary<string, object>) new Dictionary<string, object>(),
                                                   (IOutputData) data);
            e.Responses[dev1] = new Response();

            c.EnqueueEpoch(e);

            c.NextEpoch();

            Assert.Throws<SymphonyControllerException>(() => c.NextEpoch());
        }

        public void NextEpochShouldFireNextEpochEvent()
        {
            var c = new Controller();
            c.Clock = new FakeClock();

            var e = new Epoch(UNUSED_PROTOCOL);
            var dev1 = new UnitConvertingExternalDevice("dev2", "co", c, new Measurement(0, "V"));

            var sampleRate = new Measurement(1, "Hz");

            var samples = new List<IMeasurement> { new Measurement(1, "V"), new Measurement(2, "V"), new Measurement(3, "V") };

            var data = new OutputData(samples,
                                      sampleRate, true);

            e.Stimuli[dev1] = new RenderedStimulus((string) "ID1",
                                                   (IDictionary<string, object>) new Dictionary<string, object>(),
                                                   (IOutputData) data);
            e.Responses[dev1] = new Response();

            c.EnqueueEpoch(e);

            bool evt = false;
            c.NextEpochRequested += (sender, args) => evt = true;

            c.NextEpoch();

            Assert.True(evt);
        }

        public void NexEpochShouldDequeueEpoch()
        {
            var c = new Controller();

            var e = new Epoch(UNUSED_PROTOCOL);
            var dev1 = new UnitConvertingExternalDevice("dev2", "co", c, new Measurement(0, "V"));

            var sampleRate = new Measurement(1, "Hz");

            var samples = new List<IMeasurement> { new Measurement(1, "V"), new Measurement(2, "V"), new Measurement(3, "V") };

            var data = new OutputData(samples,
                                      sampleRate, true);

            e.Stimuli[dev1] = new RenderedStimulus((string) "ID1",
                                                   (IDictionary<string, object>) new Dictionary<string, object>(),
                                                   (IOutputData) data);
            e.Responses[dev1] = new Response();

            c.EnqueueEpoch(e);

            Assert.That(c.CurrentEpoch, Is.Null);

            c.NextEpoch();

            Assert.That(c.CurrentEpoch, Is.EqualTo(e));
        }