def test___eq___notEqual(filter, coeffs, state):
actual = fo.Filter(coefficients=2 * coeffs, state=state)
assert not filter == actual
actual = fo.Filter(coefficients=coeffs, state=2 * state)
assert not filter == actual
actual = filter.copy()
actual.comment = f'{actual.comment} A completely different thing'
assert not filter == actual
def test_filter_comment():
filt = fo.Filter(coefficients=None, state=None, comment='Bla')
assert filt.comment == 'Bla'
filt.comment = 'Blub'
assert filt.comment == 'Blub'
filt.comment = 500
assert filt.comment == '500'
def filter(coeffs, state):
""" Filter object.
"""
return fo.Filter(coefficients=coeffs, state=state)
def test_filter_init_empty_coefficients():
filt = fo.Filter(coefficients=None, state=None, sampling_rate=None)
assert filt._coefficients is None
assert filt._state is None
assert filt.comment is None
def test_filter_init_with_state():
coeff = np.array([[[1, 0, 0], [1, 0, 0]]])
state = np.array([[[1, 0]]])
filt = fo.Filter(coefficients=coeff, state=state)
npt.assert_array_equal(filt._coefficients, coeff)
npt.assert_array_equal(filt._state, state)
def test_filter_init_empty_state():
coeff = np.array([[[1, 0, 0], [1, 0, 0]]])
filt = fo.Filter(coefficients=coeff, state=None)
npt.assert_array_equal(filt._coefficients, coeff)
assert filt._state is None
def test_filter_init():
coeff = np.array([[[1, 0, 0], [1, 0, 0]]])
filt = fo.Filter(coefficients=coeff, sampling_rate=None)
npt.assert_array_equal(filt._coefficients, coeff)
def test_filter_init_empty_coefficients_with_state():
with pytest.raises(ValueError):
fo.Filter(coefficients=None, state=[1, 0], sampling_rate=None)