def test_rectify_channels_copy(self): """Rectify channels must not change the original parameter.""" cpy = self.dat.copy() rectify_channels(self.dat) self.assertEqual(cpy, self.dat)
def test_rectify_channels(self): """Rectify channels of positive and negative data must be equal.""" dat = rectify_channels(self.dat.copy(data=-self.dat.data)) dat2 = rectify_channels(self.dat) self.assertEqual(dat, dat2)