def test_algorithm_availability(self):
"""
Tests if the flag for the SINC algorithm is only available, when the
scikits.samplerate library is available as well.
"""
if common.lib_available("scikits.samplerate"):
self.assertIn("SINC", vars(sumpf.modules.ResampleSignal))
else:
self.assertNotIn("SINC", vars(sumpf.modules.ResampleSignal))
def test_connectors(self):
"""
Tests if the connectors are properly decorated.
"""
if common.lib_available("numpy"):
aur = sumpf.modules.ThieleSmallParameterAuralizationLinear()
self.assertEqual(aur.SetThieleSmallParameters.GetType(), sumpf.ThieleSmallParameters)
self.assertEqual(aur.SetVoltage.GetType(), sumpf.Signal)
self.assertEqual(aur.SetListenerDistance.GetType(), float)
self.assertEqual(aur.SetMediumDensity.GetType(), float)
self.assertEqual(aur.GetExcursion.GetType(), sumpf.Signal)
self.assertEqual(aur.GetVelocity.GetType(), sumpf.Signal)
self.assertEqual(aur.GetAcceleration.GetType(), sumpf.Signal)
self.assertEqual(aur.GetCurrent.GetType(), sumpf.Signal)
self.assertEqual(aur.GetSoundPressure.GetType(), sumpf.Signal)
for getter in [aur.GetExcursion, aur.GetVelocity, aur.GetAcceleration, aur.GetCurrent, aur.GetSoundPressure]:
common.test_connection_observers(testcase=self,
inputs=[aur.SetThieleSmallParameters, aur.SetVoltage, aur.SetListenerDistance, aur.SetMediumDensity],
noinputs=[],
output=getter)
aur = sumpf.modules.ThieleSmallParameterAuralizationNonlinear()
self.assertEqual(aur.SetThieleSmallParameters.GetType(), sumpf.ThieleSmallParameters)
self.assertEqual(aur.SetVoltage.GetType(), sumpf.Signal)
self.assertEqual(aur.SetListenerDistance.GetType(), float)
self.assertEqual(aur.SetMediumDensity.GetType(), float)
self.assertEqual(aur.SetWarpFrequency.GetType(), float)
self.assertEqual(aur.SetRegularization.GetType(), float)
self.assertEqual(aur.SetSaveSamples.GetType(), bool)
self.assertEqual(aur.SetUseCython.GetType(), bool)
self.assertEqual(aur.GetExcursion.GetType(), sumpf.Signal)
self.assertEqual(aur.GetVelocity.GetType(), sumpf.Signal)
self.assertEqual(aur.GetAcceleration.GetType(), sumpf.Signal)
self.assertEqual(aur.GetCurrent.GetType(), sumpf.Signal)
self.assertEqual(aur.GetSoundPressure.GetType(), sumpf.Signal)
for getter in [aur.GetExcursion, aur.GetVelocity, aur.GetAcceleration, aur.GetCurrent, aur.GetSoundPressure]:
common.test_connection_observers(testcase=self,
inputs=[aur.SetThieleSmallParameters, aur.SetVoltage, aur.SetListenerDistance, aur.SetMediumDensity, aur.SetWarpFrequency, aur.SetRegularization],
noinputs=[aur.SetSaveSamples, aur.SetUseCython, aur.ResetSavedSamples],
output=getter)
def test_sine(self):
"""
Tests the derivative of a sine wave Signal.
"""
frequency = 1.9
samplingrate = 48000
length = 5 * samplingrate
sin = sumpf.modules.SineWaveGenerator(frequency=frequency,
phase=0.0,
samplingrate=samplingrate,
length=length)
cos = sumpf.modules.SineWaveGenerator(frequency=frequency,
phase=math.pi / 2.0,
samplingrate=samplingrate,
length=length)
drv = sumpf.modules.DifferentiateSignal()
places = 2
if common.lib_available("numpy"):
drv.SetFunction(lambda sequence: sumpf.helper.differentiate_spline(sequence=sequence, degree=2))
places = 6
self.assertEqual(drv.GetOutput(), sumpf.Signal())
drv.SetInput(sin.GetSignal())
common.compare_signals_almost_equal(self, drv.GetOutput(), cos.GetSignal() * (2.0 * math.pi * frequency), places)
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import unittest
import re
import os
import sumpf
import _common as common
from .process import MissingLibProcess
@unittest.skipUnless(sumpf.config.get("run_long_tests"), "Long tests are skipped")
@unittest.skipUnless(common.lib_available("numpy"), "These tests require the library 'numpy' to be available.")
class TestMissingLibs(unittest.TestCase):
"""
Tests if SuMPF still works, if the external libs are missing and if it limits
its functionality accordingly, by hiding classes that rely on these libs.
"""
def test_signal_formats(self):
"""
Tests if the correct signal formats are unavailable when audiolab and
oct2py are missing.
"""
process = MissingLibProcess(libnames=["soundfile", "scikits", "oct2py"],
function=MissingLibProcess.FILE_FORMATS,
formats=["AIFF_FLOAT", "AIFF_INT", "FLAC", "WAV_DOUBLE", "WAV_FLOAT", "WAV_INT", "ITA_AUDIO", "MATLAB"],
data_type="Signal")
process.start()