def test_analyze_mttf(self):
dft = stormpy.dft.load_dft_json_file(
get_example_path("dft", "and.json"))
formulas = stormpy.parse_properties("T=? [ F \"failed\" ]")
assert dft.nr_elements() == 3
results = stormpy.dft.analyze_dft(dft, [formulas[0].raw_formula])
assert math.isclose(results[0], 3)
def test_load_dft_json_file(self):
dft = stormpy.dft.load_dft_json_file(
get_example_path("dft", "and.json"))
assert dft.nr_elements() == 3
assert dft.nr_be() == 2
assert dft.nr_dynamic() == 0
assert not dft.can_have_nondeterminism()
def test_load_dft_galileo_file(self):
dft = stormpy.dft.load_dft_galileo_file(
get_example_path("dft", "hecs.dft"))
assert dft.nr_elements() == 23
assert dft.nr_be() == 13
assert dft.nr_dynamic() == 2
assert not dft.can_have_nondeterminism()
def test_modularisation(self):
dft = stormpy.dft.load_dft_galileo_file(
get_example_path("dft", "hecs.dft"))
assert dft.nr_elements() == 23
assert dft.nr_be() == 13
assert dft.nr_dynamic() == 2
dfts = dft.modularisation()
assert len(dfts) == 4
for ft in dfts:
assert ft.top_level_element.name in ["n116", "n137", "n120", "n21"]
def test_export_dft_json_string(self):
dft = stormpy.dft.load_dft_galileo_file(
get_example_path("dft", "hecs.dft"))
assert dft.nr_elements() == 23
assert dft.nr_be() == 13
assert dft.nr_dynamic() == 2
json_string = stormpy.dft.export_dft_json_string(dft)
dft2 = stormpy.dft.load_dft_json_string(json_string)
assert dft2.nr_elements() == 23
assert dft2.nr_be() == 13
assert dft2.nr_dynamic() == 2
def test_export_dft_json_file(self, tmpdir):
dft = stormpy.dft.load_dft_galileo_file(
get_example_path("dft", "hecs.dft"))
assert dft.nr_elements() == 23
assert dft.nr_be() == 13
assert dft.nr_dynamic() == 2
export_file = os.path.join(str(tmpdir), "hecs.json")
stormpy.dft.export_dft_json_file(dft, export_file)
dft2 = stormpy.dft.load_dft_json_file(export_file)
assert dft2.nr_elements() == 23
assert dft2.nr_be() == 13
assert dft2.nr_dynamic() == 2
def test_load_dft_json_string(self):
# Build json string
json_node_a = '{"data": {"id":"0", "name":"A", "type":"be", "rate":"1", "dorm":"1", "label":"A (1)"}, "group":"nodes", "classes":"be"}'
json_node_b = '{"data": {"id":"1", "name":"B", "type":"be", "rate":"1", "dorm":"1", "label":"B (1)"}, "group":"nodes", "classes":"be"}'
json_node_c = '{"data": {"id":"6", "name":"Z", "type":"pand", "children":["0", "1"], "label":"Z"}, "group":"nodes", "classes":"pand"}'
json_string = '{"toplevel": "6", "parameters": {}, "nodes": [' + json_node_a + ',' + json_node_b + ',' + json_node_c + ']}'
# Load
dft = stormpy.dft.load_dft_json_string(json_string)
assert dft.nr_elements() == 3
assert dft.nr_be() == 2
assert dft.nr_dynamic() == 1
assert not dft.can_have_nondeterminism()
def test_parametric_dft(self):
import pycarl
pycarl.clear_pools()
dft = stormpy.dft.load_parametric_dft_galileo_file(
get_example_path("dft", "symmetry_param.dft"))
assert dft.nr_elements() == 7
assert dft.nr_be() == 4
assert dft.nr_dynamic() == 0
assert type(dft) is stormpy.dft.DFT_ratfunc
parameters = stormpy.dft.get_parameters(dft)
param_names = [x.name for x in parameters]
assert "x" in param_names
assert "y" in param_names
def test_instantiate_dft(self):
pycarl.clear_pools()
dft = stormpy.dft.load_parametric_dft_galileo_file(
get_example_path("dft", "symmetry_param.dft"))
assert dft.nr_elements() == 7
assert dft.nr_be() == 4
instantiator = stormpy.dft.DFTInstantiator(dft)
x = pycarl.variable_with_name("x")
y = pycarl.variable_with_name("y")
valuation = {x: stormpy.RationalRF("5"), y: stormpy.RationalRF("0.01")}
inst_dft = instantiator.instantiate(valuation)
assert inst_dft.nr_elements() == 7
assert inst_dft.nr_be() == 4
elem = inst_dft.get_element_by_name("C")
assert str(elem) == "{C} BE exp(5, 0.05)"
elem = inst_dft.get_element_by_name("D")
assert str(elem) == "{D} BE exp(0.01, 0)"
def test_element(self):
dft = stormpy.dft.load_dft_json_file(
get_example_path("dft", "and.json"))
tle = dft.top_level_element
assert dft.nr_elements() == 3
assert dft.nr_be() == 2
assert dft.nr_dynamic() == 0
assert tle.id == 2
assert tle.name == "A"
b = dft.get_element(0)
assert b.id == 0
assert b.name == "B"
c = dft.get_element_by_name("C")
assert c.id == 1
assert c.name == "C"
# Invalid name should raise exception
with pytest.raises(RuntimeError) as exception:
d = dft.get_element_by_name("D")
assert "InvalidArgumentException" in str(exception.value)
