public void CollectingNoValuesDoesNotPlotAnything()
{
var probeReader = new Mock<IProbeReaderAdapter>();
var dataLogger = new Mock<IDataLoggerAdapter>();
var dataPlotter = new ThreadSafeDataPlotter(new [] { probeReader.Object}, dataLogger.Object);
dataPlotter.Collect(0);
dataLogger.Verify(d => d.Plot(It.IsAny<IEnumerable<DataValueAdapter>>()), Times.Never);
}
public void CollectedValuesArePlotted()
{
var values = Enumerable.Range(0, 5).Select(x => DateTime.MinValue.AddHours(x)).Select(x => new DataValueAdapter(x, null)).ToList();
var probeReader = new MockProbeReader(values);
var dataLogger = new Mock<IDataLoggerAdapter>();
dataLogger.Setup(x => x.Plot(It.IsAny<IEnumerable<DataValueAdapter>>()))
.Callback<IEnumerable<DataValueAdapter>>(plottedValues => Assert.That(plottedValues, Is.EqualTo(values)));
var dataPlotter = new ThreadSafeDataPlotter(new[] { probeReader }, dataLogger.Object);
dataPlotter.Collect(5);
dataLogger.Verify(d => d.Plot(It.IsAny<IEnumerable<DataValueAdapter>>()));
}
public void CollectsValuesInFullBatchesFive(int numberOfValuesToCollect)
{
var probeReader = new Mock<IProbeReaderAdapter>();
probeReader.Setup(x => x.Read()).Returns(ReturnTestValue);
var dataLogger = new Mock<IDataLoggerAdapter>();
var dataPlotter = new ThreadSafeDataPlotter(new[] { probeReader.Object}, dataLogger.Object);
dataPlotter.Collect(numberOfValuesToCollect);
int completeBatchesOfFive = numberOfValuesToCollect / 5;
dataLogger.Verify(d => d.Plot(It.IsAny<IEnumerable<DataValueAdapter>>()), Times.Exactly(completeBatchesOfFive));
}
public void CollectsValuesDespiteNonTerminatingProbeReaders()
{
var values = Enumerable.Range(0, 5).Select(x => DateTime.MinValue.AddHours(x)).Select(x => new DataValueAdapter(x, null)).ToList();
var probeReader = new MockProbeReader(values);
var hangingProbeReader = new Mock<IProbeReaderAdapter>();
hangingProbeReader.Setup(x => x.Read()).Returns(Hang());
var probeReaderAdapters = new[] { hangingProbeReader.Object, probeReader, hangingProbeReader.Object};
var dataLogger = new Mock<IDataLoggerAdapter>();
dataLogger.Setup(x => x.Plot(It.IsAny<IEnumerable<DataValueAdapter>>()))
.Callback<IEnumerable<DataValueAdapter>>(plottedValues => Assert.That(plottedValues, Is.EqualTo(values)));
var dataPlotter = new ThreadSafeDataPlotter(probeReaderAdapters, dataLogger.Object);
dataPlotter.Collect(5);
dataLogger.Verify(d => d.Plot(It.IsAny<IEnumerable<DataValueAdapter>>()));
}