def test_instiantiate_with_plane():
"""Test that an image layer can be instantiated with plane parameters
in a Plane.
"""
plane = SlicingPlane(position=(32, 32, 32), normal=(1, 1, 1), thickness=22)
image = Image(np.ones((32, 32, 32)), plane=plane)
for k, v in plane.dict().items():
assert v == getattr(image.plane, k, v)
def test_update_slicing_plane_from_dict():
properties = {
'position': (0, 0, 0),
'normal': (1, 0, 0),
}
plane = SlicingPlane()
plane.update(properties)
for k, v in properties.items():
assert getattr(plane, k) == v
def test_plane_3_tuple():
"""Test for failure to instantiate with non 3-sequences of numbers"""
with pytest.raises(ValidationError):
plane = SlicingPlane( # noqa: F841
position=(32, 32, 32, 32),
normal=(1, 0, 0, 0),
)
def test_plane_from_array():
pos = (0, 0, 0)
norm = (0, 0, 1)
array = np.array([pos, norm])
plane = SlicingPlane.from_array(array)
assert isinstance(plane, SlicingPlane)
assert plane.position == pos
assert plane.normal == norm
def test_plane_to_array():
pos = (0, 0, 0)
norm = (0, 0, 1)
array = np.array([pos, norm])
plane = SlicingPlane(position=pos, normal=norm)
assert np.allclose(plane.as_array(), array)