public async Task Cancellation___OK()
{
var sut = new SwingingDoorCompression(1d);
var data = RawDataAsync(RawDataForTrend());
var expected = ExpectedForTrend().Take(2).ToList();
DataPointIterator dataPointIterator = sut.ProcessAsync(data);
var cts = new CancellationTokenSource();
var enumerator = dataPointIterator.GetAsyncEnumerator(cts.Token);
var actual = new List <DataPoint>();
await enumerator.MoveNextAsync();
actual.Add(enumerator.Current);
await enumerator.MoveNextAsync();
actual.Add(enumerator.Current);
cts.Cancel();
List <DataPoint> res = null;
Assert.ThrowsAsync <OperationCanceledException>(async() => res = await dataPointIterator.ToListAsync(cts.Token));
CollectionAssert.AreEqual(expected, actual);
Assert.IsNull(res);
}
public async Task IEnumerable_iterated_and_ToList___OK()
{
var sut = new DeadBandCompression(0.1);
var data = RawDataForTrendAsync();
var expected = ExpectedForTrend().ToList();
DataPointIterator dataPointIterator = sut.ProcessAsync(data);
var enumerator = dataPointIterator.GetAsyncEnumerator();
await enumerator.MoveNextAsync();
await enumerator.MoveNextAsync();
var actual = await dataPointIterator.ToListAsync();
CollectionAssert.AreEqual(expected, actual);
}
public async Task IEnumerable_iterated_and_ToList___OK(double compressionDeviation, IAsyncEnumerable <DataPoint> rawData, IEnumerable <DataPoint> expectedData)
{
var sut = new SwingingDoorCompression(compressionDeviation);
var data = rawData;
var expected = expectedData.ToList();
DataPointIterator dataPointIterator = sut.ProcessAsync(data);
var enumerator = dataPointIterator.GetAsyncEnumerator();
await enumerator.MoveNextAsync();
await enumerator.MoveNextAsync();
var actual = await dataPointIterator.ToListAsync();
CollectionAssert.AreEqual(expected, actual);
}
public async Task IAsyncEnumerable_iterated_and_ToArray___OK()
{
var sut = new NoCompression();
var data = RawDataForTrendAsync();
var expected = RawDataForTrend().ToList();
DataPointIterator dataPointIterator = sut.ProcessAsync(data);
var enumerator = dataPointIterator.GetAsyncEnumerator();
await enumerator.MoveNextAsync();
await enumerator.MoveNextAsync();
var actual = await dataPointIterator.ToArrayAsync();
Print(expected, "expected");
Print(actual, "actual");
CollectionAssert.AreEqual(expected, actual);
}