87 lines
3.3 KiB
Python
87 lines
3.3 KiB
Python
import hypothesis.strategies as st
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import traces
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from hypothesis import given # , settings, Verbosity, Phase
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import stl
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import stl.boolean_eval
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import stl.fastboolean_eval
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# from stl.hypothesis import SignalTemporalLogicStrategy
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"""
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TODO: property based test that fasteval should be the same as slow
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TODO: property based test that x |= phi == ~(x |= ~phi)
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TODO: property based test that ~~phi == phi
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TODO: property based test that ~~~phi == ~phi
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TODO: property based test that ~phi => phi
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TODO: property based test that phi => phi
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TODO: property based test that phi <=> phi
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TODO: property based test that phi & psi => phi
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TODO: property based test that psi => phi | psi
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TODO: property based test that (True U psi) => F(psi)
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TODO: property based test that G(psi) = ~F(~psi)
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TODO: Automatically generate input time series.
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"""
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x = {
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"x": traces.TimeSeries([(0, 1), (0.1, 1), (0.2, 4)]),
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"y": traces.TimeSeries([(0, 2), (0.1, 4), (0.2, 2)]),
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"AP1": traces.TimeSeries([(0, True), (0.1, True), (0.2, False)]),
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"AP2": traces.TimeSeries([(0, False), (0.2, True), (0.5, False)]),
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"AP3": traces.TimeSeries([(0, True), (0.1, True), (0.3, False)]),
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"AP4": traces.TimeSeries([(0, False), (0.1, False), (0.3, False)]),
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"AP5": traces.TimeSeries([(0, False), (0.1, False), (0.3, True)]),
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}
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@given(st.just(stl.ast.Next(stl.BOT) | stl.ast.Next(stl.TOP)))
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# @given(SignalTemporalLogicStrategy)
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# @settings(max_shrinks=0, verbosity=Verbosity.verbose,
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# perform_health_check=False,
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# phases=[Phase.generate])
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def test_boolean_identities(phi):
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stl_eval = stl.boolean_eval.pointwise_sat(phi)
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stl_eval2 = stl.boolean_eval.pointwise_sat(~phi)
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assert stl_eval2(x, 0) == (not stl_eval(x, 0))
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stl_eval3 = stl.boolean_eval.pointwise_sat(~~phi)
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assert stl_eval3(x, 0) == stl_eval(x, 0)
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stl_eval4 = stl.boolean_eval.pointwise_sat(phi & phi)
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assert stl_eval4(x, 0) == stl_eval(x, 0)
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stl_eval5 = stl.boolean_eval.pointwise_sat(phi & ~phi)
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assert not stl_eval5(x, 0)
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stl_eval6 = stl.boolean_eval.pointwise_sat(phi | ~phi)
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assert stl_eval6(x, 0)
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# phi2 = stl.alw(stl.ast.Next(phi))
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# phi3 = stl.ast.Next(stl.alw(phi))
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# stl_eval7 = stl.boolean_eval.pointwise_sat(phi2)
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# stl_eval8 = stl.boolean_eval.pointwise_sat(phi3)
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# assert stl_eval7(x, 0) == stl_eval8(x, 0)
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stl_eval9 = stl.boolean_eval.pointwise_sat(stl.ast.Next(phi))
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stl_eval10 = stl.boolean_eval.pointwise_sat(~stl.ast.Next(phi))
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assert stl_eval9(x, 0) != stl_eval10(x, 0)
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phi4 = stl.parse('~(AP4)')
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stl_eval11 = stl.boolean_eval.pointwise_sat(phi4)
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assert stl_eval11(x, 0)
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phi5 = stl.parse('G[0.1, 0.03](~(AP4))')
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stl_eval12 = stl.boolean_eval.pointwise_sat(phi5)
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assert stl_eval12(x, 0)
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phi6 = stl.parse('G[0.1, 0.03](~(AP5))')
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stl_eval13 = stl.boolean_eval.pointwise_sat(phi6)
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assert stl_eval13(x, 0)
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assert not stl_eval13(x, 0.4)
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@given(st.just(stl.BOT))
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def test_temporal_identities(phi):
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stl_eval = stl.fastboolean_eval.pointwise_sat(stl.alw(phi, lo=0, hi=4))
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stl_eval2 = stl.fastboolean_eval.pointwise_sat(~stl.env(~phi, lo=0, hi=4))
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assert stl_eval2(x, 0) == stl_eval(x, 0)
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stl_eval3 = stl.fastboolean_eval.pointwise_sat(~stl.alw(~phi, lo=0, hi=4))
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stl_eval4 = stl.fastboolean_eval.pointwise_sat(stl.env(phi, lo=0, hi=4))
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assert stl_eval4(x, 0) == stl_eval3(x, 0)
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