def test_SetGetAngularPositionVector_fails():
kine = Kinematic()
with pytest.raises(TypeError):
kine.r = 1
with pytest.raises(TypeError):
kine.r = None
with pytest.raises(ValueError):
kine.r = (1, 0, 0, 0)
def test_SetGetAngularPositionVector_random():
kine = Kinematic()
Ntests = 100
for i in range(Ntests):
new_position = np.random.rand(3)
kine.r = new_position
np.testing.assert_almost_equal(new_position, kine.r)