class Test_ConstructorChannels(unittest.TestCase):
def setUp(self):
self.x = Audio(channels=4)
print(self.x)
def test_str_method(self):
self.assertIsInstance(self.x.__str__(), str)
def test_channels(self):
self.assertEqual(self.x.ch, 4)
self.assertEqual(len(self.x), 0)
def test_RMS_is_nan(self):
print(self.x.rms())
self.assertTrue(np.isnan(self.x.rms()).all())
def test_peak_is_nan(self):
peak, idx = self.x.peak()
print(peak)
print(idx)
self.assertTrue(np.isnan(peak).all())
self.assertTrue((idx == 0).all())
def test_crestfactor_is_nan(self):
print(self.x.crest_factor())
self.assertTrue(np.isnan(self.x.crest_factor()).all())
class Test_EmptyConstructor(unittest.TestCase):
def setUp(self):
self.x = Audio()
print(self.x)
def test_default_constructor(self):
self.assertAlmostEqual(self.x.fs, 96000, places=7)
self.assertEqual(self.x.ch, 0)
self.assertEqual(self.x.nofsamples, 0)
self.assertEqual(self.x.duration, 0)
self.assertIsInstance(self.x.samples, np.ndarray)
def test_str_method(self):
self.assertIsInstance(self.x.__str__(), str)
def test_empty_comment(self):
self.assertSequenceEqual(self.x.comment(), '')
def test_add_comment(self):
self.assertSequenceEqual(self.x.comment(), '')
s = 'This is a comment\nwith a line break'
self.x.comment(comment=s)
print(self.x)
self.assertSequenceEqual(self.x.comment(), s)
def __str__(self):
B, A = self._filter_emphasis.get_coefficients()
mls_string = _MLS_base.__str__(self)
mls_string = "\n".join(mls_string.splitlines()[2:-1])
s = Audio.__str__(self)
s += '%s\n' % mls_string
s += 'repeats : %i\n' % self.repeats
s += 'len(impulse) : %.3f [s]\n' % self._length_impresp
s += 'emphasis filt. B : %s\n' % str(B)
s += 'emphasis filt. A : %s\n' % str(A)
return s
def __str__(self):
B, A = self._filter_emphasis.get_coefficients()
mls_string = _MLS_base.__str__(self)
mls_string = "\n".join(mls_string.splitlines()[2:-1])
s = Audio.__str__(self)
s += '%s\n' %mls_string
s += 'repeats : %i\n' %self.repeats
s += 'len(impulse) : %.3f [s]\n' %self._length_impresp
s += 'emphasis filt. B : %s\n' %str(B)
s += 'emphasis filt. A : %s\n' %str(A)
return s
