def test_unsafe_get_subset_for_channels(self):
interp = DummyInterpolationStrategy()
entries = [TableWaveformEntry(0, 0, interp),
TableWaveformEntry(2.1, -33.2, interp),
TableWaveformEntry(5.7, 123.4, interp)]
waveform = TableWaveform('A', entries)
self.assertIs(waveform.unsafe_get_subset_for_channels({'A'}), waveform)
def test_unsafe_sample(self) -> None:
interp = DummyInterpolationStrategy()
entries = [
TableWaveformEntry(0, 0, interp),
TableWaveformEntry(2.1, -33.2, interp),
TableWaveformEntry(5.7, 123.4, interp)
]
waveform = TableWaveform('A', entries)
sample_times = numpy.linspace(.5, 5.5, num=11)
expected_interp_arguments = [
((0, 0), (2.1, -33.2), [0.5, 1.0, 1.5, 2.0]),
((2.1, -33.2), (5.7, 123.4), [2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5])
]
expected_result = numpy.copy(sample_times)
result = waveform.unsafe_sample('A', sample_times)
self.assertEqual(expected_interp_arguments, interp.call_arguments)
numpy.testing.assert_equal(expected_result, result)
output_expected = numpy.empty_like(expected_result)
output_received = waveform.unsafe_sample('A',
sample_times,
output_array=output_expected)
self.assertIs(output_expected, output_received)
numpy.testing.assert_equal(expected_result, output_received)
def test_simple_properties(self):
interp = DummyInterpolationStrategy()
entries = [TableWaveformEntry(0, 0, interp),
TableWaveformEntry(2.1, -33.2, interp),
TableWaveformEntry(5.7, 123.4, interp)]
chan = 'A'
waveform = TableWaveform(chan, entries)
self.assertEqual(waveform.defined_channels, {chan})
self.assertIs(waveform.unsafe_get_subset_for_channels({'A'}), waveform)
def test_simple_properties(self):
interp = DummyInterpolationStrategy()
entries = [TableWaveformEntry(0, 0, interp),
TableWaveformEntry(2.1, -33.2, interp),
TableWaveformEntry(5.7, 123.4, interp)]
chan = 'A'
waveform = TableWaveform.from_table(chan, entries)
self.assertEqual(waveform.defined_channels, {chan})
self.assertIs(waveform.unsafe_get_subset_for_channels({'A'}), waveform)
assert_constant_consistent(self, waveform)
evaled = eval(repr(waveform))
self.assertEqual(evaled, waveform)
def test_sample(self) -> None:
interp = DummyInterpolationStrategy()
entries = [[WaveformTableEntry(0, 0, interp),
WaveformTableEntry(2.1, -33.2, interp),
WaveformTableEntry(5.7, 123.4, interp)]]
waveform = TableWaveform(entries)
sample_times = numpy.linspace(98.5, 103.5, num=11)
offset = 0.5
result = waveform.sample(sample_times, offset)
expected_data = [((0, 0), (2.1, -33.2), [0.5, 1.0, 1.5, 2.0]),
((2.1, -33.2), (5.7, 123.4), [2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5])]
self.assertEqual(expected_data, interp.call_arguments)
expected_result = [sample_times - 98]
self.assertTrue(numpy.all(expected_result == result))
def test_num_channels(self) -> None:
waveform = TableWaveform([])
self.assertEqual(0, waveform.num_channels)
interp = DummyInterpolationStrategy()
entries = [[WaveformTableEntry(0, 0, interp),
WaveformTableEntry(5, 1, interp)]]
waveform = TableWaveform(entries)
self.assertEqual(1, waveform.num_channels)
entries = [[WaveformTableEntry(0, 0, interp),
WaveformTableEntry(2.1, -33.2, interp),
WaveformTableEntry(5.7, 123.4, interp)],
[WaveformTableEntry(0, 0, interp),
WaveformTableEntry(2.1, -33.2, interp),
WaveformTableEntry(5.7, 123.4, interp)]]
waveform = TableWaveform(entries)
self.assertEqual(2, waveform.num_channels)
def test_repr(self):
interpolation = DummyInterpolationStrategy()
self.assertEqual(f"TableWaveformEntry(t={1.}, v={2.}, interp={interpolation})",
repr(TableWaveformEntry(t=1., v=2., interp=interpolation)))