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42 lines
1.9 KiB
42 lines
1.9 KiB
import stormpy
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import stormpy.logic
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import stormpy.pars
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from helpers.helper import get_example_path
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class TestModelInstantiator:
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def test_instantiate_dtmc(self):
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program = stormpy.parse_prism_program(get_example_path("pdtmc", "brp16_2.pm"))
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formulas = stormpy.parse_properties_for_prism_program("P=? [ F s=5 ]", program)
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model = stormpy.build_parametric_model(program, formulas)
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parameters = model.collect_probability_parameters()
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assert len(parameters) == 2
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instantiator = stormpy.pars.PDtmcInstantiator(model)
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point = {p: stormpy.RationalRF("0.4") for p in parameters}
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instantiated_model = instantiator.instantiate(point)
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assert instantiated_model.nr_states == model.nr_states
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assert not instantiated_model.has_parameters
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assert "0.4" in str(instantiated_model.transition_matrix[1])
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point = {p: stormpy.RationalRF("0.5") for p in parameters}
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instantiated_model2 = instantiator.instantiate(point)
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assert "0.5" in str(instantiated_model2.transition_matrix[1])
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def test_sample_pdtmc(self):
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program = stormpy.parse_prism_program(get_example_path("pdtmc", "brp16_2.pm"))
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formulas = stormpy.parse_properties_for_prism_program("P=? [F \"error\"]", program)
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model = stormpy.build_parametric_model(program, formulas)
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parameters = model.collect_probability_parameters()
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instantiator = stormpy.pars.PDtmcInstantiator(model)
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point = {p: stormpy.RationalRF("0.4") for p in parameters}
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instantiated_model = instantiator.instantiate(point)
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assert instantiated_model.nr_states == model.nr_states
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assert not instantiated_model.has_parameters
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assert "0.4" in str(instantiated_model.transition_matrix[1])
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point = {p: stormpy.RationalRF("0.5") for p in parameters}
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instantiated_model2 = instantiator.instantiate(point)
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assert "0.5" in str(instantiated_model2.transition_matrix[1])
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