def test_matrix_property_set_not_RO(self) -> None:
"""
Test that we can set the numpy matrix via property.
"""
e = MatrixDataElement((1, 2, 3, 4), readonly=False)
e.matrix = (5, 6, 7, 8)
assert isinstance(e._matrix, np.ndarray)
np.testing.assert_allclose(e._matrix, (5, 6, 7, 8))
def test_matrix_property_set_RO_exception(self) -> None:
"""
Test that setting to the matrix property results in a ReadOnlyError when
the `readonly` attribute is set.
"""
e = MatrixDataElement((1, 2, 3, 4), readonly=True)
with pytest.raises(ReadOnlyError):
e.matrix = (5, 6, 7, 8)
np.testing.assert_allclose(e._matrix, (1, 2, 3, 4))