def test_sphere_model_3_points(setup_vtk_overlay_window):
points = np.eye(3, dtype=np.float)
vtk_model = sm.VTKSphereModel(points, 0.5)
widget, _, app = setup_vtk_overlay_window
widget.add_vtk_actor(vtk_model.actor)
widget.show()
def test_sphere_model_invalid_because_radius_not_positive():
with pytest.raises(ValueError):
sm.VTKSphereModel(np.eye(3), -1)
def test_sphere_model_invalid_because_points_not_float():
with pytest.raises(TypeError):
sm.VTKSphereModel(np.ones((1, 3), dtype=np.int), 0.5)
def test_sphere_model_invalid_because_no_points():
with pytest.raises(ValueError):
sm.VTKSphereModel(np.ones((0, 3)), 0.5)
def test_sphere_model_invalid_because_points_not_got_3_columns():
with pytest.raises(ValueError):
sm.VTKSphereModel(np.ones((1, 2)), 0.5)
def test_sphere_model_invalid_because_points_not_numpy_array():
with pytest.raises(TypeError):
sm.VTKSphereModel(1, 0.5)
def test_sphere_model_invalid_because_null_points():
with pytest.raises(ValueError):
sm.VTKSphereModel(None, 0.5)