public void Write_Read_roundtrip_with_datetime___OK([Values(true, false)] bool writeHeader)
{
DateTime now = new DateTime(2019, 12, 16, 21, 57, 13);
DateTime[] dts =
{
now.AddMinutes(-12),
now
};
DataPoint[] dataPoints =
{
new DataPoint(dts[0], 2),
new DataPoint(dts[1], -1)
};
var sut = new DataPointSerializer();
string file = _tmpFile;
const string datetimeFormat = "yyyy-MM-dd:HHmmss";
if (writeHeader)
{
sut.Write(file, dataPoints, header: ("x", "y"), dateTimeFormat: datetimeFormat);
}
else
{
sut.Write(file, dataPoints, dateTimeFormat: datetimeFormat);
}
DataPoint[] actual = sut.Read(file, firstLineIsHeader: writeHeader, dateTimeFormat: datetimeFormat).ToArray();
Assert.Multiple(() =>
{
Assert.AreEqual(2, actual.Length);
Assert.AreEqual(dts[0], new DateTime((long)(actual[0].X)));
Assert.AreEqual(dataPoints[0].Y, actual[0].Y, 1e-3);
Assert.AreEqual(dts[1], new DateTime((long)(actual[1].X)));
Assert.AreEqual(dataPoints[1].Y, actual[1].Y, 1e-3);
});
}
//---------------------------------------------------------------------
private static void Run(string name, double instrumentPrecision, double compressionDeviation)
{
var dataPointReader = new DataPointSerializer();
IEnumerable <DataPoint> compressed = dataPointReader
.Read($"{name}.csv", dateTimeFormat: "yyyy-MM-dd_HH:mm:ss")
.DeadBandCompression(instrumentPrecision)
.SwingingDoorCompression(compressionDeviation);
dataPointReader.Write($"{name}_compressed.csv", compressed, dateTimeFormat: "yyyy-MM-dd_HH:mm:ss");
GnuPlot(name);
ShowChart(name);
}
static void Main()
{
Environment.CurrentDirectory = Path.Combine(Directory.GetCurrentDirectory(), "data");
var dataPointReader = new DataPointSerializer();
IEnumerable <DataPoint> compressed = dataPointReader
.Read("coolant-temp.csv")
.DeadBandCompression(1d);
dataPointReader.Write("coolant-temp_compressed.csv", compressed, header: ("Oh", "Temp"));
GnuPlot();
ShowChart();
}
public void Write_Read_roundtrip___OK([Values(true, false)] bool writeHeader)
{
DataPoint[] dataPoints =
{
DataPoint.Origin,
new DataPoint(1, 2),
new DataPoint(2, -1)
};
var sut = new DataPointSerializer();
string file = _tmpFile;
if (writeHeader)
{
sut.Write(file, dataPoints, header: ("x", "y"));
}
else
{
sut.Write(file, dataPoints);
}
DataPoint[] actual = sut.Read(file, firstLineIsHeader: writeHeader).ToArray();
CollectionAssert.AreEqual(dataPoints, actual);
}