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package org.eclipse.viatra.solver.data.map.tests.smoke;
import static org.junit.jupiter.api.Assertions.fail;
import java.util.Random;
import java.util.stream.Stream;
import org.eclipse.viatra.solver.data.map.ContinousHashProvider;
import org.eclipse.viatra.solver.data.map.DiffCursor;
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.smoke.utils.SmokeTestUtils;
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 DiffCursorSmokeTest {
private void runSmokeTest(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);
VersionedMapStore<Integer, String> store = new VersionedMapStoreImpl<Integer, String>(chp, values[0]);
iterativeRandomPutsAndCommitsThenDiffcursor(scenario, store, steps, maxKey, values, seed, commitFrequency);
}
private void iterativeRandomPutsAndCommitsThenDiffcursor(String scenario, VersionedMapStore<Integer, String> store,
int steps, int maxKey, String[] values, int seed, int commitFrequency) {
// 1. build a map with versions
Random r = new Random(seed);
VersionedMapImpl<Integer, String> versioned = (VersionedMapImpl<Integer, String>) store.createMap();
int largestCommit = -1;
for (int i = 0; i < steps; i++) {
int index = i + 1;
int nextKey = r.nextInt(maxKey);
String nextValue = values[r.nextInt(values.length)];
try {
versioned.put(nextKey, nextValue);
} catch (Exception exception) {
exception.printStackTrace();
fail(scenario + ":" + index + ": exception happened: " + exception);
}
if (index % commitFrequency == 0) {
long version = versioned.commit();
largestCommit = (int) version;
}
if (index % 10000 == 0)
System.out.println(scenario + ":" + index + "/" + steps + " building finished");
}
// 2. create a non-versioned map,
VersionedMapImpl<Integer, String> moving = (VersionedMapImpl<Integer, String>) store.createMap();
Random r2 = new Random(seed + 1);
final int diffTravelFrequency = commitFrequency * 2;
for (int i = 0; i < steps; i++) {
int index = i + 1;
if (index % diffTravelFrequency == 0) {
// difftravel
long travelToVersion = r2.nextInt(largestCommit + 1);
DiffCursor<Integer, String> diffCursor = moving.getDiffCursor(travelToVersion);
moving.putAll(diffCursor);
} else {
// random puts
int nextKey = r2.nextInt(maxKey);
String nextValue = values[r2.nextInt(values.length)];
try {
moving.put(nextKey, nextValue);
} catch (Exception exception) {
exception.printStackTrace();
fail(scenario + ":" + index + ": exception happened: " + exception);
}
if (index % commitFrequency == 0) {
versioned.commit();
}
if (index % 10000 == 0)
System.out.println(scenario + ":" + index + "/" + steps + " building finished");
}
}
}
@ParameterizedTest(name = "Mutable-Immutable Compare Smoke {index}/{0} Steps={1} Keys={2} Values={3} commit frequency={4} seed={5} evil-hash={6}")
@MethodSource
@Timeout(value = 10)
@Tag("smoke")
void parametrizedSmoke(int tests, int steps, int noKeys, int noValues, int commitFrequency, int seed,
boolean evilHash) {
runSmokeTest("SmokeMutableImmutableCompareS" + steps + "K" + noKeys + "V" + noValues + "s" + seed, seed, steps,
noKeys, noValues, commitFrequency, evilHash);
}
static Stream<Arguments> parametrizedSmoke() {
return SmokeTestUtils.permutationWithSize(new Object[] { SmokeTestUtils.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 });
}
}
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