def test_sum_along_second_axis(self):
arr = np.zeros(int(44100 * 2.5))
arr = np.column_stack((arr, arr))
ts = AudioSamples(arr, SR44100())
result = ts.sum(axis=1)
self.assertIsInstance(result, AudioSamples)
self.assertEqual(1, len(result.dimensions))
self.assertIsInstance(result.dimensions[0], TimeDimension)
def test_sum_along_time_axis(self):
arr = np.zeros(int(44100 * 2.5))
arr = np.column_stack((arr, arr))
ts = AudioSamples(arr, SR44100())
result = ts.sum(axis=0)
self.assertIsInstance(result, np.ndarray)
self.assertNotIsInstance(result, AudioSamples)
self.assertEqual(1, len(result.dimensions))
self.assertIsInstance(result.dimensions[0], IdentityDimension)