Beispiel #1
0
def test_map_anyo_misc():
    q_lv = var("q")

    res = run(0, q_lv, map_anyo(eq, [1, 2, 3], [1, 2, 3]))
    # TODO: Remove duplicate results
    assert len(res) == 7
    res = run(0, q_lv, map_anyo(eq, [1, 2, 3], [1, 3, 3]))
    assert len(res) == 0

    def one_to_threeo(x, y):
        return conde([eq(x, 1), eq(y, 3)])

    res = run(0, q_lv, map_anyo(one_to_threeo, [1, 2, 4, 1, 4, 1, 1], q_lv))

    assert res[0] == [3, 2, 4, 3, 4, 3, 3]

    assert (len(
        run(4, q_lv, map_anyo(math_reduceo, [etuple(mul, 2, var("x"))],
                              q_lv))) == 0)

    test_res = run(4, q_lv, map_anyo(math_reduceo, [etuple(add, 2, 2), 1],
                                     q_lv))
    assert test_res == ([etuple(mul, 2, 2), 1], )

    test_res = run(4, q_lv, map_anyo(math_reduceo, [1, etuple(add, 2, 2)],
                                     q_lv))
    assert test_res == ([1, etuple(mul, 2, 2)], )

    test_res = run(4, q_lv, map_anyo(math_reduceo, q_lv, var("z")))
    assert all(isinstance(r, list) for r in test_res)

    test_res = run(4, q_lv, map_anyo(math_reduceo, q_lv, var("z"), tuple))
    assert all(isinstance(r, tuple) for r in test_res)

    x, y, z = var(), var(), var()

    def test_bin(a, b):
        return conde([eq(a, 1), eq(b, 2)])

    res = run(10, (x, y), map_anyo(test_bin, x, y, null_type=tuple))
    exp_res_form = (
        ((1, ), (2, )),
        ((x, 1), (x, 2)),
        ((1, 1), (2, 2)),
        ((x, y, 1), (x, y, 2)),
        ((1, x), (2, x)),
        ((x, 1, 1), (x, 2, 2)),
        ((1, 1, 1), (2, 2, 2)),
        ((x, y, z, 1), (x, y, z, 2)),
        ((1, x, 1), (2, x, 2)),
        ((x, 1, y), (x, 2, y)),
    )

    for a, b in zip(res, exp_res_form):
        s = unify(a, b)
        assert s is not False
        assert all(isvar(i) for i in reify((x, y, z), s))
Beispiel #2
0
def test_map_anyo_reverse():
    """Test `map_anyo` in "reverse" (i.e. specify the reduced form and generate the un-reduced form)."""
    # Unbounded reverse
    q_lv = var()
    rev_input = [etuple(mul, 2, 1)]
    test_res = run(4, q_lv, map_anyo(math_reduceo, q_lv, rev_input))
    assert test_res == (
        [etuple(add, 1, 1)],
        [etuple(log, etuple(exp, etuple(add, 1, 1)))],
        # [etuple(log, etuple(exp, etuple(mul, 2, 1)))],
        [
            etuple(log, etuple(exp, etuple(log, etuple(exp, etuple(add, 1,
                                                                   1)))))
        ],
        # [etuple(log, etuple(exp, etuple(log, etuple(exp, etuple(mul, 2, 1)))))],
        [
            etuple(
                log,
                etuple(
                    exp,
                    etuple(
                        log,
                        etuple(exp, etuple(log, etuple(exp, etuple(add, 1,
                                                                   1))))),
                ),
            )
        ],
    )

    # Guided reverse
    test_res = run(
        4,
        q_lv,
        map_anyo(math_reduceo, [etuple(add, q_lv, 1)], [etuple(mul, 2, 1)]),
    )

    assert test_res == (1, )
Beispiel #3
0
def test_map_anyo_types():
    """Make sure that `map_anyo` preserves the types between its arguments."""
    q_lv = var()
    res = run(1, q_lv, map_anyo(lambda x, y: eq(x, y), [1], q_lv))
    assert res[0] == [1]
    res = run(1, q_lv, map_anyo(lambda x, y: eq(x, y), (1, ), q_lv))
    assert res[0] == (1, )
    res = run(1, q_lv, map_anyo(lambda x, y: eq(x, y), q_lv, (1, )))
    assert res[0] == (1, )
    res = run(1, q_lv, map_anyo(lambda x, y: eq(x, y), q_lv, [1]))
    assert res[0] == [1]
    res = run(1, q_lv, map_anyo(lambda x, y: eq(x, y), [1, 2], [1, 2]))
    assert len(res) == 1
    res = run(1, q_lv, map_anyo(lambda x, y: eq(x, y), [1, 2], [1, 3]))
    assert len(res) == 0
    res = run(1, q_lv, map_anyo(lambda x, y: eq(x, y), [1, 2], (1, 2)))
    assert len(res) == 0
Beispiel #4
0
def test_map_anyo(test_input, test_output):
    """Test `map_anyo` with fully ground terms (i.e. no logic variables)."""
    q_lv = var()
    test_res = run(
        0,
        q_lv,
        map_anyo(math_reduceo, test_input, q_lv),
    )

    assert len(test_res) == len(test_output)

    test_res = sorted(test_res)
    test_output = sorted(test_output)
    # Make sure the first result matches.
    # TODO: This is fairly implementation-specific (i.e. dependent on the order
    # in which `condeseq` returns results).
    if len(test_output) > 0:
        assert test_res[0] == test_output[0]

    # Make sure all the results match.
    # TODO: If we want to avoid fixing the output order, convert the lists to
    # tuples and add everything to a set, then compare.
    assert test_res == test_output