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package org.eclipse.viatra.solver.data.map.tests.fuzz;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.stream.Stream;
import org.eclipse.viatra.solver.data.map.ContinousHashProvider;
import org.eclipse.viatra.solver.data.map.VersionedMapStore;
import org.eclipse.viatra.solver.data.map.VersionedMapStoreImpl;
import org.eclipse.viatra.solver.data.map.internal.VersionedMapImpl;
import org.eclipse.viatra.solver.data.map.tests.fuzz.utils.FuzzTestUtils;
import org.eclipse.viatra.solver.data.map.tests.utils.MapTestEnvironment;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Timeout;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
class SharedStoreFuzzTest {
private void runFuzzTest(String scenario, int seed, int steps, int maxKey, int maxValue, int commitFrequency,
boolean evilHash) {
String[] values = MapTestEnvironment.prepareValues(maxValue);
ContinousHashProvider<Integer> chp = MapTestEnvironment.prepareHashProvider(evilHash);
List<VersionedMapStore<Integer, String>> stores = VersionedMapStoreImpl.createSharedVersionedMapStores(5, chp, values[0]);
iterativeRandomPutsAndCommitsThenRestore(scenario, stores, steps, maxKey, values, seed, commitFrequency);
}
private void iterativeRandomPutsAndCommitsThenRestore(String scenario, List<VersionedMapStore<Integer, String>> stores,
int steps, int maxKey, String[] values, int seed, int commitFrequency) {
// 1. maps with versions
Random r = new Random(seed);
List<VersionedMapImpl<Integer, String>> versioneds = new LinkedList<>();
for(VersionedMapStore<Integer, String> store : stores) {
versioneds.add((VersionedMapImpl<Integer, String>) store.createMap());
}
List<Map<Integer, Long>> index2Version = new LinkedList<>();
for(int i = 0; i<stores.size(); i++) {
index2Version.add(new HashMap<>());
}
for (int i = 0; i < steps; i++) {
int stepIndex = i + 1;
for (int storeIndex = 0; storeIndex<versioneds.size(); storeIndex++) {
int nextKey = r.nextInt(maxKey);
String nextValue = values[r.nextInt(values.length)];
versioneds.get(storeIndex).put(nextKey, nextValue);
if (stepIndex % commitFrequency == 0) {
long version = versioneds.get(storeIndex).commit();
index2Version.get(storeIndex).put(i, version);
}
MapTestEnvironment.printStatus(scenario, stepIndex, steps, "building");
}
}
// 2. create a non-versioned and
List<VersionedMapImpl<Integer, String>> reference = new LinkedList<>();
for(VersionedMapStore<Integer, String> store : stores) {
reference.add((VersionedMapImpl<Integer, String>) store.createMap());
}
r = new Random(seed);
for (int i = 0; i < steps; i++) {
int index = i + 1;
for (int storeIndex = 0; storeIndex<versioneds.size(); storeIndex++) {
int nextKey = r.nextInt(maxKey);
String nextValue = values[r.nextInt(values.length)];
reference.get(storeIndex).put(nextKey, nextValue);
if (index % commitFrequency == 0) {
versioneds.get(storeIndex).restore(index2Version.get(storeIndex).get(i));
MapTestEnvironment.compareTwoMaps(scenario + ":" + index, reference.get(storeIndex), versioneds.get(storeIndex));
}
}
MapTestEnvironment.printStatus(scenario, index, steps, "comparison");
}
}
@ParameterizedTest(name = "Shared Store {index}/{0} Steps={1} Keys={2} Values={3} commit frequency={4} seed={5} evil-hash={6}")
@MethodSource
@Timeout(value = 10)
@Tag("smoke")
void parametrizedFastFuzz(int tests, int steps, int noKeys, int noValues, int commitFrequency, int seed,
boolean evilHash) {
runFuzzTest("SharedS" + steps + "K" + noKeys + "V" + noValues + "s" + seed, seed, steps, noKeys, noValues,
commitFrequency, evilHash);
}
static Stream<Arguments> parametrizedFastFuzz() {
return FuzzTestUtils.permutationWithSize(new Object[] { FuzzTestUtils.FAST_STEP_COUNT }, new Object[] { 3, 32, 32 * 32 },
new Object[] { 2, 3 }, new Object[] { 1, 10, 100 }, new Object[] { 1, 2, 3 },
new Object[] { false, true });
}
@ParameterizedTest(name = "Shared Store {index}/{0} Steps={1} Keys={2} Values={3} commit frequency={4} seed={5} evil-hash={6}")
@MethodSource
@Tag("smoke")
@Tag("slow")
void parametrizedSlowFuzz(int tests, int steps, int noKeys, int noValues, int commitFrequency, int seed,
boolean evilHash) {
runFuzzTest("SharedS" + steps + "K" + noKeys + "V" + noValues + "s" + seed, seed, steps, noKeys, noValues,
commitFrequency, evilHash);
}
static Stream<Arguments> parametrizedSlowFuzz() {
return FuzzTestUtils.changeStepCount(RestoreFuzzTest.parametrizedFastFuzz(), 1);
}
}
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