public void CombinesDataBlocks(
[Values(100, 500, 1000, 5000)] double blockMilliseconds,
[Values(5000, 10000)] double sampleRateHz,
[Values(1, 4)] int numStim
)
{
var parameters = new Dictionary<string, object>();
var sampleRate = new Measurement((decimal)sampleRateHz, "Hz");
var data = new List<IOutputData>();
var stimuli = new List<IStimulus>();
for (int i = 0; i < numStim; i++)
{
IOutputData d = new OutputData(Enumerable.Range(0, (int)TimeSpan.FromSeconds(3).Samples(new Measurement((decimal)sampleRateHz, "Hz")))
.Select(j => new Measurement(j, "units")).ToList(),
sampleRate,
false);
data.Add(d);
stimuli.Add(new RenderedStimulus((string)"RenderedStimulus" + i, (IDictionary<string, object>)parameters, d));
}
var combined = new CombinedStimulus("CombinedStimulus", new Dictionary<string, object>(), stimuli, CombinedStimulus.Add);
var blockSpan = TimeSpan.FromMilliseconds(blockMilliseconds);
IEnumerator<IOutputData> iter = combined.DataBlocks(blockSpan).GetEnumerator();
while (iter.MoveNext())
{
IOutputData expectedData = null;
foreach (var d in data.ToList())
{
var cons = d.SplitData(blockSpan);
data[data.IndexOf(d)] = cons.Rest;
expectedData = expectedData == null
? cons.Head
: expectedData.Zip(cons.Head, (m1, m2) => new Measurement(m1.QuantityInBaseUnits + m2.QuantityInBaseUnits, 0, m1.BaseUnits));
}
Assert.That(iter.Current.Duration, Is.EqualTo(expectedData.Duration));
Assert.That(iter.Current.Data, Is.EqualTo(expectedData.Data));
}
}
public void MarksAsNotLastIfMoreBlocks()
{
var parameters = new Dictionary<string, object>();
var sampleRate = new Measurement(1000, "Hz");
IOutputData data = new OutputData(Enumerable.Range(0, 1000).Select(i => new Measurement(i, "units")).ToList(),
sampleRate,
true);
var s1 = new RenderedStimulus("stim1", new Dictionary<string, object>(), data);
var s2 = new RenderedStimulus("stim2", new Dictionary<string, object>(), data);
var combine = new CombinedStimulus("CombinedStimulus", new Dictionary<string, object>(), new List<IStimulus>() { s1, s2 }, CombinedStimulus.Add);
var block = TimeSpan.FromMilliseconds(100);
IEnumerator<IOutputData> iter = combine.DataBlocks(block).GetEnumerator();
Assert.True(iter.MoveNext());
Assert.False(iter.Current.IsLast);
}
