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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.statecoding;
import org.junit.jupiter.api.Test;
import tools.refinery.store.map.Version;
import tools.refinery.store.model.Model;
import tools.refinery.store.model.ModelStore;
import tools.refinery.store.representation.Symbol;
import tools.refinery.store.statecoding.neighbourhood.ObjectCodeImpl;
import tools.refinery.store.tuple.Tuple;
import static org.junit.jupiter.api.Assertions.assertEquals;
class EquivalenceTest {
Symbol<Boolean> person = new Symbol<>("Person", 1, Boolean.class, false);
Symbol<Integer> age = new Symbol<>("age", 1, Integer.class, null);
Symbol<Boolean> friend = new Symbol<>("friend", 2, Boolean.class, false);
Symbol<Boolean> parents = new Symbol<>("parents", 3, Boolean.class, false);
Symbol<Integer> population = new Symbol<>("population", 0, Integer.class, 0);
private ModelStore createStore() {
return ModelStore.builder()
.symbols(person, age, friend, parents, population)
.with(StateCoderAdapter.builder())
.build();
}
@Test
void emptyModelCode0() {
ModelStore store = createStore();
var stateCoder = store.getAdapter(StateCoderStoreAdapter.class);
Model model = createStore().createEmptyModel();
Version v1 = model.commit();
Version v2 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.ISOMORPHIC, stateCoder.checkEquivalence(v1, v2));
var personI = model.getInterpretation(person);
var friendI = model.getInterpretation(friend);
personI.put(Tuple.of(1), true);
personI.put(Tuple.of(2), true);
friendI.put(Tuple.of(1, 2), true);
Version v3 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v1, v3));
}
@Test
void nullRelationTest() {
ModelStore store = createStore();
var stateCoder = store.getAdapter(StateCoderStoreAdapter.class);
Model model = createStore().createEmptyModel();
var populationI = model.getInterpretation(population);
Version v1 = model.commit();
populationI.put(Tuple.of(), 1);
Version v2 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v1, v2));
populationI.put(Tuple.of(), 2);
Version v3 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v2, v3));
}
@Test
void unaryBooleanTest() {
ModelStore store = createStore();
var stateCoder = store.getAdapter(StateCoderStoreAdapter.class);
Model model = createStore().createEmptyModel();
var personI = model.getInterpretation(person);
Version v1 = model.commit();
personI.put(Tuple.of(1), true);
Version v2 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v1, v2));
personI.put(Tuple.of(2), true);
Version v3 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v2, v3));
personI.put(Tuple.of(1), false);
Version v4 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.ISOMORPHIC, stateCoder.checkEquivalence(v2, v4));
}
@Test
void unaryIntTest() {
ModelStore store = createStore();
var stateCoder = store.getAdapter(StateCoderStoreAdapter.class);
Model model = createStore().createEmptyModel();
var ageI = model.getInterpretation(age);
ageI.put(Tuple.of(1), 3);
Version v1 = model.commit();
ageI.put(Tuple.of(1), 4);
Version v2 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v1, v2));
ageI.put(Tuple.of(2), 4);
Version v3 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v2, v3));
ageI.put(Tuple.of(1), null);
Version v4 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.ISOMORPHIC, stateCoder.checkEquivalence(v2, v4));
}
@Test
void binaryTest() {
ModelStore store = createStore();
var stateCoder = store.getAdapter(StateCoderStoreAdapter.class);
Model model = createStore().createEmptyModel();
var friendI = model.getInterpretation(friend);
Version v1 = model.commit();
friendI.put(Tuple.of(1, 2), true);
Version v2 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v1, v2));
friendI.put(Tuple.of(2, 1), true);
Version v3 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v2, v3));
friendI.put(Tuple.of(1, 2), false);
Version v4 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.ISOMORPHIC, stateCoder.checkEquivalence(v2, v4));
}
@Test
void NaryTest() {
ModelStore store = createStore();
var stateCoder = store.getAdapter(StateCoderStoreAdapter.class);
Model model = createStore().createEmptyModel();
var parentsI = model.getInterpretation(parents);
Version v1 = model.commit();
parentsI.put(Tuple.of(3, 1, 2), true);
Version v2 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v1, v2));
parentsI.put(Tuple.of(4, 1, 2), true);
Version v3 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.DIFFERENT, stateCoder.checkEquivalence(v2, v3));
parentsI.put(Tuple.of(3, 1, 2), false);
Version v4 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.ISOMORPHIC, stateCoder.checkEquivalence(v2, v4));
}
@Test
void largeUnknownTest() {
final int limit = 100;
StateCodeCalculator calculator = () -> {
var code = new ObjectCodeImpl();
for (int i = 0; i < limit; i++) {
code.set(i, 1);
}
return new StateCoderResult(1, code);
};
ModelStore store = ModelStore.builder()
.symbols(person, age, friend, parents, population)
.with(StateCoderAdapter.builder()
.stateCodeCalculatorFactory((p1, p2) -> calculator))
.build();
var stateCoder = store.getAdapter(StateCoderStoreAdapter.class);
Model model = createStore().createEmptyModel();
var personI = model.getInterpretation(person);
var friendI = model.getInterpretation(friend);
for (int i = 0; i < limit; i++) {
personI.put(Tuple.of(i), true);
}
friendI.put(Tuple.of(11,12),true);
var v1 = model.commit();
friendI.put(Tuple.of(11,12),false);
friendI.put(Tuple.of(21,22),false);
var v2 = model.commit();
assertEquals(StateEquivalenceChecker.EquivalenceResult.UNKNOWN, stateCoder.checkEquivalence(v1,v2));
}
}
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