test_op.py 文件源码

def test_get_debug_values_exc():
    """tests that get_debug_value raises an exception when
        debugger is set to raise and a value is missing """

    prev_value = config.compute_test_value
    try:
        config.compute_test_value = 'raise'

        x = T.vector()

        try:
            for x_val in op.get_debug_values(x):
                # this assert catches the case where we
                # erroneously get a value returned
                assert False
            raised = False
        except AttributeError:
            raised = True

        # this assert catches the case where we got []
        # returned, and possibly issued a warning,
        # rather than raising an exception
        assert raised

    finally:
        config.compute_test_value = prev_value