JaniParserTest.cpp

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#include <storm/exceptions/InvalidArgumentException.h>
#include "storm-config.h"
#include "storm-parsers/api/model_descriptions.h"
#include "storm-parsers/parser/JaniParser.h"
#include "storm/storage/jani/Model.h"
#include "storm/storage/jani/ModelType.h"
#include "storm/storage/jani/Property.h"
#include "test/storm_gtest.h"
 
TEST(JaniParser, DieExampleTest) {
    std::string testInput = R"({
    "jani-version": 1,
    "name": "die.jani",
    "type": "dtmc",
    "features": [ "derived-operators" ],
    "variables": [
        {
            "name": "s",
            "type": {
                "base": "int",
                "kind": "bounded",
                "lower-bound": 0,
                "upper-bound": 7
            },
            "initial-value": 0
        },
        {
            "name": "d",
            "type": {
                "base": "int",
                "kind": "bounded",
                "lower-bound": 0,
                "upper-bound": 6
            },
            "initial-value": 0
        }
    ],
    "properties": [
        {
            "name": "Probability to throw a six",
            "expression": {
                "op": "filter",
                "fun": "max",
                "states": { "op": "initial" },
                "values": {
                    "op": "Pmin",
                    "exp": {
                        "op": "U",
                        "left": true,
                        "right": {
                            "op": "∧",
                            "left": {
                                "op": "=",
                                "left": "s",
                                "right": 7
                            },
                            "right": {
                                "op": "=",
                                "left": "d",
                                "right": 6
                            }
                        }
                    }
                }
            }
        },
        {
            "name": "Expected number of coin flips",
            "expression": {
                "op": "filter",
                "fun": "max",
                "states": { "op": "initial" },
                "values": {
                    "op": "Emin",
                    "accumulate": [ "steps" ],
                    "exp": 1,
                    "reach": {
                        "op": "=",
                        "left": "s",
                        "right": 7
                    }
                }
            }
        }
    ],
    "automata": [
        {
            "name": "die",
            "locations": [{ "name": "l" }],
            "initial-locations": ["l"],
            "edges": [
                {
                    "location": "l",
                    "guard": {
                        "exp": {
                            "op": "=",
                            "left": "s",
                            "right": 0
                        }
                    },
                    "destinations": [
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 1
                                }
                            ]
                        },
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 2
                                }
                            ]
                        }
                    ]
                },
                {
                    "location": "l",
                    "guard": {
                        "exp": {
                            "left": "s",
                            "op": "=",
                            "right": 1
                        }
                    },
                    "destinations": [
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 3
                                }
                            ]
                        },
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 4
                                }
                            ]
                        }
                    ]
                },
                {
                    "location": "l",
                    "guard": {
                        "exp": {
                            "left": "s",
                            "op": "=",
                            "right": 2
                        }
                    },
                    "destinations": [
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 5
                                }
                            ]
                        },
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 6
                                }
                            ]
                        }
                    ]
                },
                {
                    "location": "l",
                    "guard": {
                        "exp": {
                            "left": "s",
                            "op": "=",
                            "right": 3
                        }
                    },
                    "destinations": [
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 }, 
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 1
                                }
                            ]
                        },
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 7
                                },
                                {
                                    "ref": "d",
                                    "value": 1
                                }
                            ]
                        }
                    ]
                },
                {
                    "location": "l",
                    "guard": {
                        "exp": {
                            "left": "s",
                            "op": "=",
                            "right": 4
                        }
                    },
                    "destinations": [
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 7
                                },
                                {
                                    "ref": "d",
                                    "value": 2
                                }
                            ]
                        },
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 7
                                },
                                {
                                    "ref": "d",
                                    "value": 3
                                }
                            ]
                        }
                    ]
                },
                {
                    "location": "l",
                    "guard": {
                        "exp": {
                            "left": "s",
                            "op": "=",
                            "right": 5
                        }
                    },
                    "destinations": [
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 7
                                },
                                {
                                    "ref": "d",
                                    "value": 4
                                }
                            ]
                        },
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 7
                                },
                                {
                                    "ref": "d",
                                    "value": 5
                                }
                            ]
                        }
                    ]
                },
                {
                    "location": "l",
                    "guard": {
                        "exp": {
                            "left": "s",
                            "op": "=",
                            "right": 6
                        }
                    },
                    "destinations": [
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 2
                                }
                            ]
                        },
                        {
                            "location": "l",
                            "probability": { "exp": 0.5 },
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 7
                                },
                                {
                                    "ref": "d",
                                    "value": 6
                                }
                            ]
                        }
                    ]
                },
                {
                    "location": "l",
                    "guard": {
                        "exp": {
                            "left": "s",
                            "op": "=",
                            "right": 7
                        }
                    },
                    "destinations": [
                        {
                            "location": "l",
                            "assignments": [
                                {
                                    "ref": "s",
                                    "value": 7
                                }
                            ]
                        }
                    ]
                }
            ]
            
        }
    ], 
    "system": {
        "elements": [ { "automaton": "die" } ]
    }
    })";
 
    std::pair<storm::jani::Model, std::vector<storm::jani::Property>> result;
    EXPECT_NO_THROW(result = storm::api::parseJaniModelFromString(testInput));
    EXPECT_EQ(storm::jani::ModelType::DTMC, result.first.getModelType());
    EXPECT_TRUE(result.first.hasGlobalVariable("s"));
    EXPECT_EQ(1ul, result.first.getNumberOfAutomata());
}
 
TEST(JaniParser, DieArrayExampleTest) {
    std::pair<storm::jani::Model, std::vector<storm::jani::Property>> result;
    EXPECT_NO_THROW(result = storm::api::parseJaniModel(STORM_TEST_RESOURCES_DIR "/dtmc/die_array.jani"));
    EXPECT_EQ(storm::jani::ModelType::DTMC, result.first.getModelType());
    EXPECT_TRUE(result.first.containsArrayVariables());
    EXPECT_TRUE(result.first.hasGlobalVariable("sd"));
    EXPECT_EQ(1ul, result.first.getNumberOfAutomata());
}
 
TEST(JaniParser, FTWCTest) {
    std::pair<storm::jani::Model, std::vector<storm::jani::Property>> result;
    EXPECT_NO_THROW(result = storm::api::parseJaniModel(STORM_TEST_RESOURCES_DIR "/ma/ftwc.jani"));
    EXPECT_EQ(storm::jani::ModelType::MA, result.first.getModelType());
    EXPECT_TRUE(result.first.containsArrayVariables());
    EXPECT_TRUE(result.first.hasGlobalVariable("workstations_up"));
    EXPECT_TRUE(result.first.hasGlobalVariable("workstations_up"));
    EXPECT_EQ(6ul, result.first.getNumberOfAutomata());
    EXPECT_TRUE(result.first.getAutomaton("Switch").hasVariable("id"));
    EXPECT_TRUE(result.first.getAutomaton("Switch_1").hasVariable("id"));
    EXPECT_TRUE(result.first.getAutomaton("Workstation").hasVariable("id"));
    EXPECT_TRUE(result.first.getAutomaton("Workstation_1").hasVariable("id"));
    EXPECT_TRUE(result.first.getAutomaton(1).hasVariable("id"));
}
 
TEST(JaniParser, DieArrayNestedExampleTest) {
    std::pair<storm::jani::Model, std::vector<storm::jani::Property>> result;
    EXPECT_NO_THROW(result = storm::api::parseJaniModel(STORM_TEST_RESOURCES_DIR "/dtmc/die_array_nested.jani"));
    EXPECT_EQ(storm::jani::ModelType::DTMC, result.first.getModelType());
    EXPECT_TRUE(result.first.containsArrayVariables());
    EXPECT_TRUE(result.first.hasGlobalVariable("sd"));
    EXPECT_EQ(1ul, result.first.getNumberOfAutomata());
}
 
TEST(JaniParser, UnassignedVariablesTest) {
    std::pair<storm::jani::Model, std::vector<storm::jani::Property>> result;
    EXPECT_NO_THROW(result = storm::api::parseJaniModel(STORM_TEST_RESOURCES_DIR "/mdp/unassigned-variables.jani"));
    EXPECT_EQ(storm::jani::ModelType::MDP, result.first.getModelType());
    EXPECT_TRUE(result.first.hasConstant("c"));
    EXPECT_EQ(2ul, result.first.getNumberOfAutomata());
}
 
TEST(JaniParser, TrigonometryAndTranscendentalNumbersTest) {
    std::pair<storm::jani::Model, std::vector<storm::jani::Property>> result;
    EXPECT_NO_THROW(result = storm::api::parseJaniModel(STORM_TEST_RESOURCES_DIR "/dtmc/test_trigonometry.jani"));
    auto& model = result.first;
    auto& properties = result.second;
    EXPECT_EQ(storm::jani::ModelType::DTMC, model.getModelType());
    EXPECT_EQ(model.getNumberOfAutomata(), 1U);
    EXPECT_EQ(properties.size(), 2U);
    EXPECT_NO_THROW(model.substitute({}, true));
}