test_properties.py 文件源码

def test_list_of_floats_property(self, bridge_device, seed):
        # Reset the pseudorandom number generator with seed.
        random.seed(seed)

        with nidaqmx.Task() as task:
            ai_channel = task.ai_channels.add_ai_bridge_chan(
                bridge_device.ai_physical_chans[0].name)

            # Test default property value.
            assert isinstance(ai_channel.ai_bridge_poly_forward_coeff, list)
            assert len(ai_channel.ai_bridge_poly_forward_coeff) == 0

            # Test property setter and getter.
            value_to_test = [random.randint(-10, 10) for _ in
                             range(random.randint(2, 5))]
            ai_channel.ai_bridge_poly_forward_coeff = value_to_test
            assert ai_channel.ai_bridge_poly_forward_coeff == value_to_test

            # Test property deleter.
            del ai_channel.ai_bridge_poly_forward_coeff
            assert isinstance(ai_channel.ai_bridge_poly_forward_coeff, list)
            assert len(ai_channel.ai_bridge_poly_forward_coeff) == 0