127 lines
4.3 KiB
Python
127 lines
4.3 KiB
Python
import hypothesis.strategies as st
|
|
import traces
|
|
from hypothesis import given
|
|
from pytest import raises
|
|
|
|
import stl
|
|
import stl.boolean_eval
|
|
import stl.fastboolean_eval
|
|
from stl.hypothesis import SignalTemporalLogicStrategy
|
|
"""
|
|
TODO: property based test that fasteval should be the same as slow
|
|
TODO: property based test that x |= phi == ~(x |= ~phi)
|
|
TODO: property based test that ~~phi == phi
|
|
TODO: property based test that ~~~phi == ~phi
|
|
TODO: property based test that ~phi => phi
|
|
TODO: property based test that phi => phi
|
|
TODO: property based test that phi <=> phi
|
|
TODO: property based test that phi & psi => phi
|
|
TODO: property based test that psi => phi | psi
|
|
TODO: property based test that (True U psi) => F(psi)
|
|
TODO: property based test that G(psi) = ~F(~psi)
|
|
TODO: Automatically generate input time series.
|
|
"""
|
|
|
|
x = {
|
|
"x":
|
|
traces.TimeSeries([(0, 1), (0.1, 1), (0.2, 4)], domain=(0, 10)),
|
|
"y":
|
|
traces.TimeSeries([(0, 2), (0.1, 4), (0.2, 2)], domain=(0, 10)),
|
|
"ap1":
|
|
traces.TimeSeries([(0, True), (0.1, True), (0.2, False)], domain=(0, 10)),
|
|
"ap2":
|
|
traces.TimeSeries([(0, False), (0.2, True), (0.5, False)], domain=(0, 10)),
|
|
"ap3":
|
|
traces.TimeSeries([(0, True), (0.1, True), (0.3, False)], domain=(0, 10)),
|
|
"ap4":
|
|
traces.TimeSeries(
|
|
[(0, False), (0.1, False), (0.3, False)], domain=(0, 10)),
|
|
"ap5":
|
|
traces.TimeSeries([(0, False), (0.1, False), (0.3, True)], domain=(0, 10)),
|
|
"ap6":
|
|
traces.TimeSeries([(0, True)], domain=(0, 10)),
|
|
}
|
|
|
|
|
|
@given(st.just(stl.ast.Next(stl.BOT) | stl.ast.Next(stl.TOP)))
|
|
def test_eval_smoke_tests(phi):
|
|
stl_eval9 = stl.boolean_eval.pointwise_sat(stl.ast.Next(phi))
|
|
stl_eval10 = stl.boolean_eval.pointwise_sat(~stl.ast.Next(phi))
|
|
assert stl_eval9(x, 0) != stl_eval10(x, 0)
|
|
|
|
phi4 = stl.parse('~ap4')
|
|
stl_eval11 = stl.boolean_eval.pointwise_sat(phi4)
|
|
assert stl_eval11(x, 0)
|
|
|
|
phi5 = stl.parse('G[0.1, 0.03] ~ap4')
|
|
stl_eval12 = stl.boolean_eval.pointwise_sat(phi5)
|
|
assert stl_eval12(x, 0)
|
|
|
|
phi6 = stl.parse('G[0.1, 0.03] ~ap5')
|
|
stl_eval13 = stl.boolean_eval.pointwise_sat(phi6)
|
|
assert stl_eval13(x, 0)
|
|
assert stl_eval13(x, 0.4)
|
|
|
|
phi7 = stl.parse('G ~ap4')
|
|
stl_eval14 = stl.boolean_eval.pointwise_sat(phi7)
|
|
assert stl_eval14(x, 0)
|
|
|
|
phi8 = stl.parse('F ap5')
|
|
stl_eval15 = stl.boolean_eval.pointwise_sat(phi8)
|
|
assert stl_eval15(x, 0)
|
|
|
|
phi9 = stl.parse('(ap1 U ap2)')
|
|
stl_eval16 = stl.boolean_eval.pointwise_sat(phi9)
|
|
assert stl_eval16(x, 0)
|
|
|
|
phi10 = stl.parse('(ap2 U ap2)')
|
|
stl_eval17 = stl.boolean_eval.pointwise_sat(phi10)
|
|
assert not stl_eval17(x, 0)
|
|
|
|
with raises(NotImplementedError):
|
|
stl.boolean_eval.eval_stl(None, None)
|
|
|
|
|
|
@given(SignalTemporalLogicStrategy)
|
|
def test_temporal_identities(phi):
|
|
stl_eval = stl.boolean_eval.pointwise_sat(phi)
|
|
stl_eval2 = stl.boolean_eval.pointwise_sat(~phi)
|
|
assert stl_eval2(x, 0) == (not stl_eval(x, 0))
|
|
stl_eval3 = stl.boolean_eval.pointwise_sat(~~phi)
|
|
assert stl_eval3(x, 0) == stl_eval(x, 0)
|
|
stl_eval4 = stl.boolean_eval.pointwise_sat(phi & phi)
|
|
assert stl_eval4(x, 0) == stl_eval(x, 0)
|
|
stl_eval5 = stl.boolean_eval.pointwise_sat(phi & ~phi)
|
|
assert not stl_eval5(x, 0)
|
|
stl_eval6 = stl.boolean_eval.pointwise_sat(phi | ~phi)
|
|
assert stl_eval6(x, 0)
|
|
stl_eval7 = stl.boolean_eval.pointwise_sat(stl.ast.Until(stl.TOP, phi))
|
|
stl_eval8 = stl.boolean_eval.pointwise_sat(stl.env(phi))
|
|
assert stl_eval7(x, 0) == stl_eval8(x, 0)
|
|
|
|
|
|
@given(st.just(stl.BOT))
|
|
def test_fastboolean_equiv(phi):
|
|
stl_eval = stl.fastboolean_eval.pointwise_sat(stl.alw(phi, lo=0, hi=4))
|
|
stl_eval2 = stl.fastboolean_eval.pointwise_sat(~stl.env(~phi, lo=0, hi=4))
|
|
assert stl_eval2(x, 0) == stl_eval(x, 0)
|
|
|
|
stl_eval3 = stl.fastboolean_eval.pointwise_sat(~stl.alw(~phi, lo=0, hi=4))
|
|
stl_eval4 = stl.fastboolean_eval.pointwise_sat(stl.env(phi, lo=0, hi=4))
|
|
assert stl_eval4(x, 0) == stl_eval3(x, 0)
|
|
|
|
|
|
def test_fastboolean_smoketest():
|
|
phi = stl.parse(
|
|
'(((G[0, 4] ap6 & F[2, 1] ap1) | ap2) & G[0,0](ap2))')
|
|
stl_eval = stl.fastboolean_eval.pointwise_sat(phi)
|
|
assert not stl_eval(x, 0)
|
|
|
|
with raises(NotImplementedError):
|
|
stl.fastboolean_eval.pointwise_sat(stl.ast.AST())
|
|
|
|
|
|
def test_callable_interface():
|
|
phi = stl.parse(
|
|
'(((G[0, 4] ap6 & F[2, 1] ap1) | ap2) & G[0,0](ap2))')
|
|
assert not phi(x, 0)
|