Esempio n. 1
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def test_resource_level_creation():

    L = tsk.language("mylang", theories=[Theory.EQUALITY, Theory.ARITHMETIC])

    platform_t = L.sort('platform')
    rov1 = L.constant('rov1', platform_t)
    int_t = L.Integer
    direction = L.function('direction', platform_t, int_t)

    req_1 = temporal.ResourceLevel(**{
        "ts": 0.0, "td": 20.0, "r": direction(rov1), "n": L.constant(0, int_t)
    })
Esempio n. 2
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def test_action_creation():

    L = tsk.language("mylang", theories=[Theory.EQUALITY, Theory.ARITHMETIC])

    int_t = L.Integer

    platform_t = L.sort('platform')
    rov1 = L.constant('rov1', platform_t)
    direction = L.function('direction', platform_t, int_t)

    sensor_sort = L.sort('sensor')
    camera, range, bearing = [
        L.constant(name, sensor_sort)
        for name in ('camera', 'range', 'bearing')
    ]
    engaged = L.function('engaged', sensor_sort, int_t)

    region_t = L.sort('region')
    p0 = L.constant('p0', region_t)
    position = L.predicate('position', platform_t, region_t)
    observed = L.predicate('observed', region_t)

    req_1 = temporal.ResourceLock(**{
        "ts": 0.0,
        "td": 10.0,
        "r": engaged(camera)
    })

    req_2 = temporal.ResourceLevel(**{
        "ts": 0.0,
        "td": 20.0,
        "r": direction(rov1),
        "n": L.constant(0, int_t)
    })

    act = temporal.Action(name='observe_poi',
                          precondition=position(rov1, p0),
                          requirements=[req_1, req_2],
                          effects=[(21.0, observed(p0))])

    assert len(act.locks) == 1
    assert len(act.levels) == 1
    assert len(act.effects) == 1
Esempio n. 3
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def test_instance_creation():

    L = tsk.language("mylang", theories=[Theory.EQUALITY, Theory.ARITHMETIC])

    int_t = L.Integer
    obj_t = L.Object

    platform_t = L.sort('platform')
    rov1 = L.constant('rov1', platform_t)
    direction = L.function('direction', platform_t, int_t)

    sensor_sort = L.sort('sensor')
    camera, range, bearing = [L.constant(name, sensor_sort) for name in ('camera', 'range', 'bearing')]
    engaged = L.function('engaged', sensor_sort, int_t)

    region_t = L.sort('region')
    p0 = L.constant('p0', region_t)
    p1 = L.constant('p1', region_t)
    p2 = L.constant('p2', region_t)

    t0 = L.constant('t0', obj_t)
    t1 = L.constant('t1', obj_t)
    t2 = L.constant('t2', obj_t)
    #t0, t1, t2 = [L.constant('t{}'.format(i), obj_t)
    #                for i in range(3)]

    position = L.predicate('position', obj_t, region_t)
    observed = L.predicate('observed', obj_t)
    estimated_range = L.predicate('estimated_range', obj_t)
    estimated_bearing = L.predicate('estimated_bearing', obj_t)

    req_1 = temporal.ResourceLock(**{
        "ts": 0.0, "td": 10.0, "r": engaged(camera)
    })

    req_2 = temporal.ResourceLock(**{
        "ts": 0.0, "td": 10.0, "r": engaged(range)
    })

    req_3 = temporal.ResourceLock(**{
        "ts": 0.0, "td": 10.0, "r": engaged(bearing)
    })

    req_4 = temporal.ResourceLevel(**{
        "ts": 0.0, "td": 20.0, "r": direction(rov1), "n": L.constant(0, int_t)
    })

    a1 = temporal.Action(
        name='localize_t0',
        parameters=[],
        precondition=position(rov1, p0),
        requirements=[
            TimedEffect(0.0, req_2),
            TimedEffect(0.0, req_3)],
        timed_effects=[
            TimedEffect(15.0, estimated_range(t0)),
            TimedEffect(20.0, estimated_bearing(t0))],
        untimed_effects=[]
    )

    a2 = temporal.Action(
        name='observed_t0',
        parameters=[],
        precondition=land(position(rov1, p0), estimated_range(t0), estimated_bearing(t0)),
        requirements=[
            TimedEffect(0.0, req_1),
            TimedEffect(0.0, req_2)],
        timed_effects=[
            TimedEffect(21.0, observed(t0))],
        untimed_effects=[]
    )

    initial = Model(L)
    initial.add(position, rov1, p0)
    initial.evaluator = evaluate

    inst = temporal.Instance(
        L=L,
        X=[position(rov1, p0),
           estimated_range(t0), estimated_bearing(t0), observed(t0),
           estimated_range(t1), estimated_bearing(t1), observed(t1),
           estimated_range(t2), estimated_bearing(t2), observed(t2)],
        I=initial,
        A=[a1, a2],
        G=observed(t0)
    )

    assert len(inst.R) == 3