public void TestSensorTerminalOperationDetection()
{
Sensor <FileInfo> sensor = Sensor <FileInfo> .Create(
FileSensor.Create,
SensorParams.Create(
SensorParams.Keys.Path, "", ResourceLocator.Path(typeof(Resources), "rec-center-hourly-small.Csv")));
HTMSensor <FileInfo> htmSensor = (HTMSensor <FileInfo>)sensor;
// We haven't done anything with the stream yet, so it should not be terminal
Assert.IsFalse(htmSensor.IsTerminal());
((BatchedCsvStream <string[]>)htmSensor.GetInputStream()).ForEach(l => Console.WriteLine(Arrays.ToString((string[])l)));
// Should now be terminal after operating on the stream
Assert.IsTrue(htmSensor.IsTerminal());
}
public void TestSensorMultipleStreamCreation()
{
Sensor <FileInfo> sensor = Sensor <FileInfo> .Create(
FileSensor.Create,
SensorParams.Create(
SensorParams.Keys.Path, "", ResourceLocator.Path(typeof(Resources), "rec-center-hourly-small.Csv")));
HTMSensor <FileInfo> htmSensor = (HTMSensor <FileInfo>)sensor;
htmSensor.InitEncoder(GetTestEncoderParams());
// Ensure that the HTMSensor's output stream can be retrieved more than once.
IStream <int[]> outputStream = htmSensor.GetOutputStream();
IStream <int[]> outputStream2 = htmSensor.GetOutputStream();
IStream <int[]> outputStream3 = htmSensor.GetOutputStream();
// Check to make sure above multiple retrieval doesn't flag the underlying stream as operated upon
Assert.IsFalse(htmSensor.IsTerminal());
Assert.AreEqual(17, outputStream.Count());
//After the above we cannot request a new stream, so this will fail
//however, the above streams that were already requested should be unaffected.
Assert.IsTrue(htmSensor.IsTerminal(), "Terminal sensor stream expected");
try
{
//@SuppressWarnings("unused")
IStream <int[]> outputStream4 = (Stream <int[]>)htmSensor.GetOutputStream();
Assert.Fail();
}
catch (Exception e)
{
Assert.AreEqual("Stream is already \"terminal\" (operated upon or empty)", e.Message);
}
//These Streams were created before operating on a stream
Assert.AreEqual(17, outputStream2.Count());
Assert.AreEqual(17, outputStream3.Count());
// Verify that different streams are retrieved.
Assert.IsFalse(outputStream.GetHashCode() == outputStream2.GetHashCode());
Assert.IsFalse(outputStream2.GetHashCode() == outputStream3.GetHashCode());
}