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())
def check_values(self, values, expected, position):
x = Audio(fs=10, initialdata=values)
peak, idx = x.peak()
self.assertTrue(len(peak)==1)
self.assertTrue(len(idx)==1)
print("index: %3i peak: %f" %(idx, peak))
print(x)
self.assertAlmostEqual(peak, expected, places=3)
self.assertEqual(idx, position)
def check_values(self, values, expected, position):
x = Audio(fs=10, initialdata=values)
peak, idx = x.peak()
self.assertTrue(len(peak)==2)
self.assertTrue(len(idx)==2)
print("index: %s peak: %s" %(idx, peak))
print(x)
self.assertAlmostEqual(peak[0], expected[0], places=3)
self.assertAlmostEqual(peak[1], expected[1], places=3)
self.assertEqual(idx[0], position[0])
self.assertEqual(idx[1], position[1])
