def test_can_produce_time_slice_iterable_from_timestamps(self):
slices = TimeSlice.slices([Seconds(1), Milliseconds(1), Seconds(2)])
self.assertEqual(2, len(slices))
self.assertEqual(
TimeSlice(start=Milliseconds(1), duration=Milliseconds(999)),
slices[0])
self.assertEqual(TimeSlice(start=Seconds(1), duration=Seconds(1)),
slices[1])
def _process(self, data):
td = data.dimensions[0]
frequency = td.frequency
timestamps = [self.pos + (i * frequency)
for i, d in enumerate(data)
if random() > 0.9]
slices = TimeSlice.slices(timestamps)
yield VariableRateTimeSeries(
(ts, np.zeros(0)) for ts in slices)
self.pos += frequency * len(data)