/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.spi.impl.operationexecutor.slowoperationdetector;
import com.eclipsesource.json.JsonArray;
import com.eclipsesource.json.JsonObject;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.internal.management.dto.SlowOperationDTO;
import com.hazelcast.internal.management.dto.SlowOperationInvocationDTO;
import com.hazelcast.logging.ILogger;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.SlowTest;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.TimeUnit;
import static java.lang.String.format;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category(SlowTest.class)
public class SlowOperationDetector_JsonTest extends SlowOperationDetectorAbstractTest {
private HazelcastInstance instance;
private IMap<String, String> map;
private ILogger logger;
@Before
public void setup() {
instance = getSingleNodeCluster(1000);
map = getMapWithSingleElement(instance);
logger = instance.getLoggingService().getLogger("SlowOperationDetector_JsonTest");
}
@After
public void teardown() {
shutdownOperationService(instance);
shutdownNodeFactory();
}
@Test
public void testJSON() throws InterruptedException {
final String operationDetails = "FakeOperation(id=255, partitionId=2)";
Object operation = new Object() {
@Override
public String toString() {
return operationDetails;
}
};
String stackTrace = "stackTrace";
int id = 5;
int durationMs = 4444;
long nowMillis = System.currentTimeMillis();
long nowNanos = System.nanoTime();
long durationNanos = TimeUnit.MILLISECONDS.toNanos(durationMs);
SlowOperationLog log = new SlowOperationLog(stackTrace, operation);
log.totalInvocations.incrementAndGet();
log.getOrCreate(id, operationDetails, durationNanos, nowNanos, nowMillis);
JsonObject json = log.createDTO().toJson();
logger.finest(json.toString());
SlowOperationDTO slowOperationDTO = new SlowOperationDTO();
slowOperationDTO.fromJson(json);
assertTrue(format("Expected operation '%s' to contain inner class", slowOperationDTO.operation),
slowOperationDTO.operation.contains("SlowOperationDetector_JsonTest$1"));
assertEqualsStringFormat("Expected stack trace '%s', but was '%s'", stackTrace, slowOperationDTO.stackTrace);
assertEqualsStringFormat("Expected totalInvocations '%d', but was '%d'", 1, slowOperationDTO.totalInvocations);
assertEqualsStringFormat("Expected invocations.size() '%d', but was '%d'", 1, slowOperationDTO.invocations.size());
SlowOperationInvocationDTO invocationDTO = slowOperationDTO.invocations.get(0);
assertEqualsStringFormat("Expected id '%d', but was '%d'", id, invocationDTO.id);
assertEqualsStringFormat("Expected details '%s', but was '%s'", operationDetails, invocationDTO.operationDetails);
assertEqualsStringFormat("Expected startedAt '%d', but was '%d'", nowMillis - durationMs, invocationDTO.startedAt);
assertEqualsStringFormat("Expected durationMs '%d', but was '%d'", durationMs, invocationDTO.durationMs);
}
@Test
public void testJSON_SlowEntryProcessor() {
for (int i = 0; i < 2; i++) {
map.executeOnEntries(getSlowEntryProcessor(3));
}
map.executeOnEntries(getSlowEntryProcessor(4));
map.executeOnEntries(getSlowEntryProcessor(3));
awaitSlowEntryProcessors();
logger.finest(getOperationStats(instance).toString());
JsonObject firstLogJsonObject = getSlowOperationLogsJsonArray(instance).get(0).asObject();
assertJSONContainsClassName(firstLogJsonObject, "SlowEntryProcessor");
assertEqualsStringFormat("Expected %d invocations, but was %d", 4, firstLogJsonObject.get("invocations").asArray().size());
}
@Test
public void testJSON_multipleEntryProcessorClasses() throws InterruptedException {
for (int i = 0; i < 2; i++) {
map.executeOnEntries(getSlowEntryProcessor(3));
}
SlowEntryProcessorChild entryProcessorChild = new SlowEntryProcessorChild(3);
map.executeOnEntries(entryProcessorChild);
map.executeOnEntries(getSlowEntryProcessor(4));
awaitSlowEntryProcessors();
entryProcessorChild.await();
logger.finest(getOperationStats(instance).toString());
JsonArray slowOperationLogsJsonArray = getSlowOperationLogsJsonArray(instance);
JsonObject firstLogJsonObject = slowOperationLogsJsonArray.get(0).asObject();
JsonObject secondLogJsonObject = slowOperationLogsJsonArray.get(1).asObject();
assertJSONContainsClassNameJustOnce(firstLogJsonObject, secondLogJsonObject, "SlowEntryProcessor");
assertJSONContainsClassNameJustOnce(firstLogJsonObject, secondLogJsonObject, "SlowEntryProcessorChild");
int firstSize = firstLogJsonObject.get("invocations").asArray().size();
int secondSize = secondLogJsonObject.get("invocations").asArray().size();
assertTrue(format("Expected to find 1 and 3 invocations in logs, but was %d and %d", firstSize, secondSize),
(firstSize == 1 ^ secondSize == 1) && (firstSize == 3 ^ secondSize == 3));
}
}