83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
import stl
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import stl.boolean_eval
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import stl.fastboolean_eval
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import traces
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import unittest
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from sympy import Symbol
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import hypothesis.strategies as st
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from hypothesis import given, note, assume, example
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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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"A": traces.TimeSeries([(0, 1), (0.1, 1), (0.2, 4)]),
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"B": traces.TimeSeries([(0, 2), (0.1, 4), (0.2, 2)]),
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"C": traces.TimeSeries([(0, True), (0.1, True), (0.2, False)]),
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'D': traces.TimeSeries({0.0: 2, 13.8: 3, 19.7: 2}),
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}
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@given(st.just(stl.BOT))
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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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@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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"""
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def test_eval(self, phi_str, r):
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phi = stl.parse(phi_str)
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stl_eval = stl.boolean_eval2.pointwise_sat(phi)
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stl_eval2 = stl.boolean_eval2.pointwise_sat(~phi)
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self.assertEqual(stl_eval(x, 0)[0], r)
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self.assertEqual(stl_eval2(x, 0)[0], not r)
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@params(*examples)
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def test_fasteval(self, phi_str, _):
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phi = stl.parse(phi_str)
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stl_eval = stl.boolean_eval.pointwise_sat(phi)
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stl_evalf = stl.fastboolean_eval.pointwise_sat(phi)
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stl_evalf2 = stl.fastboolean_eval.pointwise_sat(~phi)
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b_slow = stl_eval(x, 0)
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b_fast = stl_evalf(x, 0)
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b_fast2 = stl_evalf2(x, 0)
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self.assertEqual(b_slow, b_fast)
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self.assertEqual(b_fast, not b_fast2)
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"""
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