def test_bb_disperse(bbsignal, j1713_profile, ism):
"""
Test disperse function with baseband signal.
"""
tobs = make_quant(0.05, 's')
period = make_quant(5, 'ms')
psr = Pulsar(period, 10, profiles=j1713_profile, name='J1746-0118')
psr.make_pulses(bbsignal, tobs)
ism.disperse(bbsignal, 10)
assert (bbsignal.dm.value == 10)
def test_pulsar(j1713_profile):
"""
Test pulsar class.
"""
# initialize pulsar with profile
psr1 = Pulsar(1.0, 1.0, profiles=j1713_profile, name="J1713+0747")
# initialize pulsar without profile
psr2 = Pulsar(1.0, 1.0, profiles=None, name="J1713+0747")
# Check functions and properties
psr_names = psr1.__repr__()
# check properties
assert (psr1.period.value == 1.0)
assert (psr1.Smean.value == 1.0)
assert (psr1.name == "J1713+0747")
assert (psr1.Profiles == j1713_profile)
def pulsar():
"""
Fixture pulsar class
"""
F0 = 186.49408124993144
period = make_quant(1.0 / F0, 's')
return Pulsar(period, 10, name='J1746-0118')
def pulsar():
"""
Fixture pulsar class
"""
period = make_quant(5, 'ms')
return Pulsar(period, 10, name='J1746-0118')
def test_makepulses(fbsignal, fbsignal_nofold, bbsignal, j1713_profile):
"""
Test make_pulses function.
"""
# Define a pulsar
psr1 = Pulsar(1.0, 1.0, profiles=j1713_profile, name="J1713+0747")
# Test making pulses with a filterbank signal
tobs = 2.0
psr1.make_pulses(fbsignal, tobs)
assert (psr1.ref_freq.value == 1400.0)
# Make pulses with sublen of None
fbsignal._sublen = None
psr1.make_pulses(fbsignal, tobs)
# Make pulses without folded signal
psr1.make_pulses(fbsignal_nofold, tobs)
# Test making pulses with Baseband signal
psr1.make_pulses(bbsignal, tobs)
# Test error message
with pytest.raises(NotImplementedError):
fbsignal._sigtype = "badsignal"
psr1.make_pulses(fbsignal, tobs)
def test_nullpulses(fbsignal, fbsignal_nofold, ism, j1713_profile):
"""
Test pulse nulling function.
"""
# Define a pulsar
psr1 = Pulsar(1.0, 1.0, profiles=j1713_profile, name="J1713+0747")
# Test making pulses with a filterbank signal
tobs = 3.0
psr1.make_pulses(fbsignal, tobs)
dm = 10.0
ism.disperse(fbsignal, dm)
# Null the pulses
psr1.null(fbsignal, 0.34)
# now check with no fold for a dispersed signal
psr1.make_pulses(fbsignal_nofold, tobs)
psr1.null(fbsignal_nofold, 0.34)
# Check error
with pytest.raises(NotImplementedError):
psr1.null(fbsignal, 0.34, length=1.0)