def test_many_channels(self):
"""See if many channels work with folding"""
self.blocks[0] = (
SigprocReadBlock('./data/simple_pulsar_DM0_128ch.fil'), [], [0])
self.blocks.append((FoldBlock(bins=200), [0], [1]))
histogram = self.dump_ring_and_read()
self.assertTrue(np.min(histogram) > 1e-10)
self.assertGreater(np.max(histogram) / np.min(histogram), 3)
def test_simple_pulsar(self):
"""Test whether a pulsar histogram
shows a large peak and is mostly
nonzero values"""
self.blocks.append((FoldBlock(bins=100), [0], [1]))
histogram = self.dump_ring_and_read()
self.assertEqual(histogram.size, 100)
self.assertTrue(np.min(histogram) > 1e-10)
def test_high_dispersion(self):
"""Test folding on a file with high DM"""
self.blocks[0] = (
SigprocReadBlock('./data/simple_pulsar_DM10_128ch.fil'), [], [0])
self.blocks.append((FoldBlock(bins=200, dispersion_measure=10,
core=0), [0], [1]))
histogram = self.dump_ring_and_read()
self.assertTrue(np.min(histogram) > 1e-10)
self.assertGreater(np.max(histogram) / np.min(histogram), 3)
def test_show_pulse(self):
"""Test to see if a pulse is visible in the
histogram from pulsar data"""
self.blocks[0] = (SigprocReadBlock('./data/simple_pulsar_DM0.fil'), [],
[0])
self.blocks.append((FoldBlock(bins=200), [0], [1]))
histogram = self.dump_ring_and_read()
self.assertTrue(np.min(histogram) > 1e-10)
self.assertGreater(np.max(histogram) / np.average(histogram), 5)
def test_different_bin_size(self):
"""Try a different bin size"""
self.blocks.append((
FoldBlock(bins=50), [0], [1]))
histogram = self.dump_ring_and_read()
self.assertEqual(histogram.size, 50)
