public void TestIntTimeSeriesStreamCollectionCreateModifyWriteReadModify()
{
List <int?> addValues1 = new List <int?>()
{
1, 3, 5, 3, 1, null, null, null, null, null
};
List <int?> addValues2 = new List <int?>()
{
null, null, null, null, null, 21, 23, 25, 23, 21
};
var allValues = addValues1.Zip(addValues2, (x, y) => x ?? y).ToList();
// Create
var timeseriesCollectionOrig = new TimeSeriesStreamCollection <Guid, int>(guids, guidSize, writeGuid, span);
// Modify
foreach (var item in timeseriesCollectionOrig)
{
for (int i = 0; i < Math.Min(addValues1.Count, item.Value.Count); i++)
{
if (addValues1[i].HasValue)
{
item.Value[i] = addValues1[i];
}
}
}
// Write
var compressed = timeseriesCollectionOrig.ToCompressedByteArray();
// Read
var timeseriesCollectionRead = new TimeSeriesStreamCollection <Guid, int>(compressed, guidSize, readGuid, span);
// Modify
foreach (var item in timeseriesCollectionRead)
{
for (int i = 0; i < Math.Min(addValues2.Count, item.Value.Count); i++)
{
if (addValues2[i].HasValue)
{
item.Value[i] = addValues2[i];
}
}
}
// Assert
foreach (var item in timeseriesCollectionRead)
{
Assert.Equal(allValues, item.Value.Select(x => x.Value).Take(allValues.Count).ToList());
}
}
public void TestIntTimeSeriesStreamCollectionIndexers()
{
var timeseriesCollection = new TimeSeriesStreamCollection <Guid, int>(guids, guidSize, writeGuid, span);
List <ITimeSeries <int> > timeseries = new List <ITimeSeries <int> >();
int i = 0;
foreach (var item in timeseriesCollection)
{
timeseries.Add(item.Value);
// make sure the order and contents of keys are the same as in the original key list
Assert.Equal(item.Key, guids[i]);
i++;
}
// make sure the same object is returned by the indexer as by the Enumerable
Assert.Same(timeseries[0], timeseriesCollection[guids[0]]);
Assert.Same(timeseries[1], timeseriesCollection[guids[1]]);
}
public void TestIntTimeSeriesCompression()
{
var timeseriesCollection = new TimeSeriesStreamCollection <byte, int>(
new List <byte>()
{
0x01
}, 1, (b, stream) => stream.WriteByte(b), span);
var timeseries = timeseriesCollection[0x01];
timeseries[0] = 1;
timeseries[3] = 23;
timeseries[5] = 42;
timeseries[7] = 43;
timeseries[9] = 99;
var compressor = new TimeSeriesCompressor <byte, int>(timeseriesCollection);
var compressedBytes = compressor.ToCompressedByteArray();
var expected = new byte[] { 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x63, 0x64,
0x60, 0x60, 0x60, 0x04, 0x42, 0x10, 0x10, 0x03, 0x62, 0x61, 0x30, 0x9f, 0x81, 0xc1, 0xe2, 0x3f,
0x58, 0x08, 0x0d, 0x0c, 0x46, 0x41, 0x00, 0xb3, 0x3c, 0x5f, 0x36, 0xc2, 0x00, 0x00, 0x00 };
Assert.Equal(expected, compressedBytes);
}
