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/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
* under one or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. Camunda licenses this file to you under the Apache License,
* Version 2.0; 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 org.camunda.bpm.engine.impl.test;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;
import org.camunda.bpm.engine.HistoryService;
import org.camunda.bpm.engine.ProcessEngine;
import org.camunda.bpm.engine.ProcessEngineConfiguration;
import org.camunda.bpm.engine.ProcessEngineException;
import org.camunda.bpm.engine.delegate.Expression;
import org.camunda.bpm.engine.history.UserOperationLogEntry;
import org.camunda.bpm.engine.impl.HistoryLevelSetupCommand;
import org.camunda.bpm.engine.impl.ManagementServiceImpl;
import org.camunda.bpm.engine.impl.ProcessEngineImpl;
import org.camunda.bpm.engine.impl.ProcessEngineLogger;
import org.camunda.bpm.engine.impl.application.ProcessApplicationManager;
import org.camunda.bpm.engine.impl.bpmn.deployer.BpmnDeployer;
import org.camunda.bpm.engine.impl.cfg.IdGenerator;
import org.camunda.bpm.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.camunda.bpm.engine.impl.cmmn.behavior.CaseControlRuleImpl;
import org.camunda.bpm.engine.impl.cmmn.deployer.CmmnDeployer;
import org.camunda.bpm.engine.impl.db.DbIdGenerator;
import org.camunda.bpm.engine.impl.db.PersistenceSession;
import org.camunda.bpm.engine.impl.db.entitymanager.DbEntityManager;
import org.camunda.bpm.engine.impl.dmn.deployer.DecisionDefinitionDeployer;
import org.camunda.bpm.engine.impl.el.FixedValue;
import org.camunda.bpm.engine.impl.history.HistoryLevel;
import org.camunda.bpm.engine.impl.jobexecutor.JobExecutor;
import org.camunda.bpm.engine.impl.management.DatabasePurgeReport;
import org.camunda.bpm.engine.impl.management.PurgeReport;
import org.camunda.bpm.engine.impl.persistence.deploy.cache.CachePurgeReport;
import org.camunda.bpm.engine.impl.persistence.entity.PropertyEntity;
import org.camunda.bpm.engine.impl.util.ClassNameUtil;
import org.camunda.bpm.engine.impl.util.ReflectUtil;
import org.camunda.bpm.engine.repository.DeploymentBuilder;
import org.camunda.bpm.engine.test.Deployment;
import org.camunda.bpm.engine.test.RequiredHistoryLevel;
import org.slf4j.Logger;
/**
* @author Tom Baeyens
*/
public abstract class TestHelper {
private static Logger LOG = ProcessEngineLogger.TEST_LOGGER.getLogger();
public static final String EMPTY_LINE = " ";
public static final List TABLENAMES_EXCLUDED_FROM_DB_CLEAN_CHECK = Arrays.asList(
"ACT_GE_PROPERTY",
"ACT_GE_SCHEMA_LOG"
);
static Map processEngines = new HashMap<>();
public final static List RESOURCE_SUFFIXES = new ArrayList<>();
static {
RESOURCE_SUFFIXES.addAll(Arrays.asList(BpmnDeployer.BPMN_RESOURCE_SUFFIXES));
RESOURCE_SUFFIXES.addAll(Arrays.asList(CmmnDeployer.CMMN_RESOURCE_SUFFIXES));
RESOURCE_SUFFIXES.addAll(Arrays.asList(DecisionDefinitionDeployer.DMN_RESOURCE_SUFFIXES));
}
/**
* use {@link ProcessEngineAssert} instead.
*/
@Deprecated
public static void assertProcessEnded(ProcessEngine processEngine, String processInstanceId) {
ProcessEngineAssert.assertProcessEnded(processEngine, processInstanceId);
}
public static String annotationDeploymentSetUp(ProcessEngine processEngine, Class testClass, String methodName,
Deployment deploymentAnnotation, Class... parameterTypes) {
Method method = null;
boolean onMethod = true;
try {
method = getMethod(testClass, methodName, parameterTypes);
} catch (Exception e) {
if (deploymentAnnotation == null) {
// we have neither the annotation, nor can look it up from the method
return null;
}
}
if (deploymentAnnotation == null) {
deploymentAnnotation = method.getAnnotation(Deployment.class);
}
// if not found on method, try on class level
if (deploymentAnnotation == null) {
onMethod = false;
Class lookForAnnotationClass = testClass;
while (lookForAnnotationClass != Object.class) {
deploymentAnnotation = lookForAnnotationClass.getAnnotation(Deployment.class);
if (deploymentAnnotation != null) {
testClass = lookForAnnotationClass;
break;
}
lookForAnnotationClass = lookForAnnotationClass.getSuperclass();
}
}
if (deploymentAnnotation != null) {
String[] resources = deploymentAnnotation.resources();
LOG.debug("annotation @Deployment creates deployment for {}.{}", ClassNameUtil.getClassNameWithoutPackage(testClass), methodName);
return annotationDeploymentSetUp(processEngine, resources, testClass, onMethod, methodName);
} else {
return null;
}
}
public static String annotationDeploymentSetUp(ProcessEngine processEngine, String[] resources, Class testClass, String methodName) {
return annotationDeploymentSetUp(processEngine, resources, testClass, true, methodName);
}
public static String annotationDeploymentSetUp(ProcessEngine processEngine, String[] resources, Class testClass,
boolean onMethod, String methodName) {
if (resources != null) {
if (resources.length == 0 && methodName != null) {
String name = onMethod ? methodName : null;
String resource = getBpmnProcessDefinitionResource(testClass, name);
resources = new String[]{resource};
}
DeploymentBuilder deploymentBuilder = processEngine.getRepositoryService()
.createDeployment()
.name(ClassNameUtil.getClassNameWithoutPackage(testClass)+"."+methodName);
for (String resource: resources) {
deploymentBuilder.addClasspathResource(resource);
}
return deploymentBuilder.deploy().getId();
}
return null;
}
public static String annotationDeploymentSetUp(ProcessEngine processEngine, Class testClass, String methodName, Class... parameterTypes) {
return annotationDeploymentSetUp(processEngine, testClass, methodName, (Deployment) null, parameterTypes);
}
public static void annotationDeploymentTearDown(ProcessEngine processEngine, String deploymentId, Class testClass, String methodName) {
LOG.debug("annotation @Deployment deletes deployment for {}.{}", ClassNameUtil.getClassNameWithoutPackage(testClass), methodName);
deleteDeployment(processEngine, deploymentId);
}
public static void deleteDeployment(ProcessEngine processEngine, String deploymentId) {
if(deploymentId != null) {
processEngine.getRepositoryService().deleteDeployment(deploymentId, true, true, true);
}
}
/**
* get a resource location by convention based on a class (type) and a
* relative resource name. The return value will be the full classpath
* location of the type, plus a suffix built from the name parameter:
* BpmnDeployer.BPMN_RESOURCE_SUFFIXES.
* The first resource matching a suffix will be returned.
*/
public static String getBpmnProcessDefinitionResource(Class< ? > type, String name) {
for (String suffix : RESOURCE_SUFFIXES) {
String resource = createResourceName(type, name, suffix);
InputStream inputStream = ReflectUtil.getResourceAsStream(resource);
if (inputStream == null) {
continue;
} else {
return resource;
}
}
return createResourceName(type, name, BpmnDeployer.BPMN_RESOURCE_SUFFIXES[0]);
}
private static String createResourceName(Class< ? > type, String name, String suffix) {
StringBuilder r = new StringBuilder(type.getName().replace('.', '/'));
if (name != null) {
r.append("." + name);
}
return r.append("." + suffix).toString();
}
public static boolean annotationRequiredHistoryLevelCheck(ProcessEngine processEngine, RequiredHistoryLevel annotation, Class testClass, String methodName) {
if (annotation != null) {
return historyLevelCheck(processEngine, annotation);
} else {
return annotationRequiredHistoryLevelCheck(processEngine, testClass, methodName);
}
}
private static boolean historyLevelCheck(ProcessEngine processEngine, RequiredHistoryLevel annotation) {
ProcessEngineConfigurationImpl processEngineConfiguration = (ProcessEngineConfigurationImpl) processEngine.getProcessEngineConfiguration();
HistoryLevel requiredHistoryLevel = getHistoryLevelForName(processEngineConfiguration.getHistoryLevels(), annotation.value());
HistoryLevel currentHistoryLevel = processEngineConfiguration.getHistoryLevel();
return currentHistoryLevel.getId() >= requiredHistoryLevel.getId();
}
private static HistoryLevel getHistoryLevelForName(List historyLevels, String name) {
for (HistoryLevel historyLevel : historyLevels) {
if (historyLevel.getName().equalsIgnoreCase(name)) {
return historyLevel;
}
}
throw new IllegalArgumentException("Unknown history level: " + name);
}
public static boolean annotationRequiredHistoryLevelCheck(ProcessEngine processEngine, Class testClass, String methodName, Class... parameterTypes) {
RequiredHistoryLevel annotation = getAnnotation(processEngine, testClass, methodName, RequiredHistoryLevel.class, parameterTypes);
if (annotation != null) {
return historyLevelCheck(processEngine, annotation);
} else {
return true;
}
}
public static boolean annotationRequiredDatabaseCheck(ProcessEngine processEngine, RequiredDatabase annotation, Class testClass, String methodName, Class... parameterTypes) {
if (annotation != null) {
return databaseCheck(processEngine, annotation);
} else {
return annotationRequiredDatabaseCheck(processEngine, testClass, methodName, parameterTypes);
}
}
public static boolean annotationRequiredDatabaseCheck(ProcessEngine processEngine, Class testClass, String methodName, Class... parameterTypes) {
RequiredDatabase annotation = getAnnotation(processEngine, testClass, methodName, RequiredDatabase.class, parameterTypes);
if (annotation != null) {
return databaseCheck(processEngine, annotation);
} else {
return true;
}
}
private static boolean databaseCheck(ProcessEngine processEngine, RequiredDatabase annotation) {
ProcessEngineConfigurationImpl processEngineConfiguration = (ProcessEngineConfigurationImpl) processEngine.getProcessEngineConfiguration();
String actualDbType = processEngineConfiguration.getDbSqlSessionFactory().getDatabaseType();
String[] excludes = annotation.excludes();
if (excludes != null) {
for (String exclude : excludes) {
if (exclude.equals(actualDbType)) {
return false;
}
}
}
String[] includes = annotation.includes();
if (includes != null && includes.length > 0) {
for (String include : includes) {
if (include.equals(actualDbType)) {
return true;
}
}
return false;
} else {
return true;
}
}
private static T getAnnotation(ProcessEngine processEngine, Class testClass,
String methodName, Class annotationClass, Class... parameterTypes) {
Method method = null;
T annotation = null;
try {
method = getMethod(testClass, methodName, parameterTypes);
annotation = method.getAnnotation(annotationClass);
} catch (Exception e) {
// - ignore if we cannot access the method
// - just try again with the class
// => can for example be the case for parameterized tests where methodName does not correspond to the actual method name
// (note that method-level annotations still work in this
// scenario due to Description#getAnnotation in annotationRequiredHistoryLevelCheck)
}
// if not found on method, try on class level
if (annotation == null) {
annotation = testClass.getAnnotation(annotationClass);
}
return annotation;
}
protected static Method getMethod(Class clazz, String methodName, Class... parameterTypes) throws SecurityException, NoSuchMethodException {
try {
return clazz.getDeclaredMethod(methodName, parameterTypes);
} catch (NoSuchMethodException e) {
if (!clazz.equals(Object.class)) {
return getMethod(clazz.getSuperclass(), methodName, parameterTypes);
} else {
throw e;
}
}
}
/**
* Ensures that the deployment cache and database is clean after a test. If not the cache
* and database will be cleared.
*
* @param processEngine the {@link ProcessEngine} to test
* @throws AssertionError if the deployment cache or database was not clean
*/
public static void assertAndEnsureCleanDbAndCache(ProcessEngine processEngine) {
assertAndEnsureCleanDbAndCache(processEngine, true);
}
/**
* Ensures that the deployment cache and database is clean after a test. If not the cache
* and database will be cleared.
*
* @param processEngine the {@link ProcessEngine} to test
* @param fail if true the method will throw an {@link AssertionError} if the deployment cache or database is not clean
* @throws AssertionError if the deployment cache or database was not clean
*/
public static String assertAndEnsureCleanDbAndCache(ProcessEngine processEngine, boolean fail) {
ProcessEngineConfigurationImpl processEngineConfiguration = ((ProcessEngineImpl) processEngine).getProcessEngineConfiguration();
// clear user operation log in case some operations are
// executed with an authenticated user
clearUserOperationLog(processEngineConfiguration);
LOG.debug("verifying that db is clean after test");
PurgeReport purgeReport = ((ManagementServiceImpl) processEngine.getManagementService()).purge();
String paRegistrationMessage = assertAndEnsureNoProcessApplicationsRegistered(processEngine);
StringBuilder message = new StringBuilder();
CachePurgeReport cachePurgeReport = purgeReport.getCachePurgeReport();
if (!cachePurgeReport.isEmpty()) {
message.append("Deployment cache is not clean:\n")
.append(cachePurgeReport.getPurgeReportAsString());
} else {
LOG.debug("Deployment cache was clean.");
}
DatabasePurgeReport databasePurgeReport = purgeReport.getDatabasePurgeReport();
if (!databasePurgeReport.isEmpty()) {
message.append("Database is not clean:\n")
.append(databasePurgeReport.getPurgeReportAsString());
} else {
LOG.debug(
purgeReport.getDatabasePurgeReport().isDbContainsLicenseKey() ? "Database contains license key but is considered clean." : "Database was clean.");
}
if (paRegistrationMessage != null) {
message.append(paRegistrationMessage);
}
if (fail && message.length() > 0) {
fail(message.toString());
}
return message.toString();
}
protected static void fail(String message) {
if (message == null) {
throw new AssertionError();
}
throw new AssertionError(message);
}
/**
* Ensures that the deployment cache is empty after a test. If not the cache
* will be cleared.
*
* @param processEngine the {@link ProcessEngine} to test
* @throws AssertionError if the deployment cache was not clean
*/
public static void assertAndEnsureCleanDeploymentCache(ProcessEngine processEngine) {
assertAndEnsureCleanDeploymentCache(processEngine, true);
}
/**
* Ensures that the deployment cache is empty after a test. If not the cache
* will be cleared.
*
* @param processEngine the {@link ProcessEngine} to test
* @param fail if true the method will throw an {@link AssertionError} if the deployment cache is not clean
* @return the deployment cache summary if fail is set to false or null if deployment cache was clean
* @throws AssertionError if the deployment cache was not clean and fail is set to true
*/
public static String assertAndEnsureCleanDeploymentCache(ProcessEngine processEngine, boolean fail) {
StringBuilder outputMessage = new StringBuilder();
ProcessEngineConfigurationImpl processEngineConfiguration = ((ProcessEngineImpl) processEngine).getProcessEngineConfiguration();
CachePurgeReport cachePurgeReport = processEngineConfiguration.getDeploymentCache().purgeCache();
outputMessage.append(cachePurgeReport.getPurgeReportAsString());
if (outputMessage.length() > 0) {
outputMessage.insert(0, "Deployment cache not clean:\n");
LOG.error(outputMessage.toString());
if (fail) {
fail(outputMessage.toString());
}
return outputMessage.toString();
}
else {
LOG.debug("Deployment cache was clean");
return null;
}
}
public static String assertAndEnsureNoProcessApplicationsRegistered(ProcessEngine processEngine) {
ProcessEngineConfigurationImpl engineConfiguration = (ProcessEngineConfigurationImpl) processEngine.getProcessEngineConfiguration();
ProcessApplicationManager processApplicationManager = engineConfiguration.getProcessApplicationManager();
if (processApplicationManager.hasRegistrations()) {
processApplicationManager.clearRegistrations();
return "There are still process applications registered";
}
else {
return null;
}
}
public static void waitForJobExecutorToProcessAllJobs(ProcessEngineConfigurationImpl processEngineConfiguration, long maxMillisToWait, long intervalMillis) {
JobExecutor jobExecutor = processEngineConfiguration.getJobExecutor();
jobExecutor.start();
try {
Timer timer = new Timer();
InteruptTask task = new InteruptTask(Thread.currentThread());
timer.schedule(task, maxMillisToWait);
boolean areJobsAvailable = true;
try {
while (areJobsAvailable && !task.isTimeLimitExceeded()) {
Thread.sleep(intervalMillis);
areJobsAvailable = areJobsAvailable(processEngineConfiguration);
}
} catch (InterruptedException e) {
} finally {
timer.cancel();
}
if (areJobsAvailable) {
throw new ProcessEngineException("time limit of " + maxMillisToWait + " was exceeded");
}
} finally {
jobExecutor.shutdown();
}
}
public static boolean areJobsAvailable(ProcessEngineConfigurationImpl processEngineConfiguration) {
return !processEngineConfiguration
.getManagementService()
.createJobQuery()
.executable()
.list()
.isEmpty();
}
public static void resetIdGenerator(ProcessEngineConfigurationImpl processEngineConfiguration) {
IdGenerator idGenerator = processEngineConfiguration.getIdGenerator();
if (idGenerator instanceof DbIdGenerator) {
((DbIdGenerator) idGenerator).reset();
}
}
private static class InteruptTask extends TimerTask {
protected boolean timeLimitExceeded = false;
protected Thread thread;
public InteruptTask(Thread thread) {
this.thread = thread;
}
public boolean isTimeLimitExceeded() {
return timeLimitExceeded;
}
@Override
public void run() {
timeLimitExceeded = true;
thread.interrupt();
}
}
public static ProcessEngine getProcessEngine(String configurationResource) {
ProcessEngine processEngine = processEngines.get(configurationResource);
if (processEngine==null) {
LOG.debug("==== BUILDING PROCESS ENGINE ========================================================================");
processEngine = ProcessEngineConfiguration
.createProcessEngineConfigurationFromResource(configurationResource)
.buildProcessEngine();
LOG.debug("==== PROCESS ENGINE CREATED =========================================================================");
processEngines.put(configurationResource, processEngine);
}
return processEngine;
}
public static void closeProcessEngines() {
for (ProcessEngine processEngine: processEngines.values()) {
processEngine.close();
}
processEngines.clear();
}
public static void createSchema(ProcessEngineConfigurationImpl processEngineConfiguration) {
processEngineConfiguration.getCommandExecutorTxRequired()
.execute(commandContext -> {
commandContext.getSession(PersistenceSession.class).dbSchemaCreate();
return null;
});
}
public static void dropSchema(ProcessEngineConfigurationImpl processEngineConfiguration) {
processEngineConfiguration.getCommandExecutorTxRequired()
.execute(commandContext -> {
commandContext.getDbSqlSession().dbSchemaDrop();
return null;
});
}
public static void createOrUpdateHistoryLevel(final ProcessEngineConfigurationImpl processEngineConfiguration) {
processEngineConfiguration.getCommandExecutorTxRequired()
.execute(commandContext -> {
DbEntityManager dbEntityManager = commandContext.getDbEntityManager();
PropertyEntity historyLevelProperty = dbEntityManager.selectById(PropertyEntity.class, "historyLevel");
if (historyLevelProperty != null) {
if (processEngineConfiguration.getHistoryLevel().getId() != new Integer(historyLevelProperty.getValue())) {
historyLevelProperty.setValue(Integer.toString(processEngineConfiguration.getHistoryLevel().getId()));
dbEntityManager.merge(historyLevelProperty);
}
} else {
HistoryLevelSetupCommand.dbCreateHistoryLevel(commandContext);
}
return null;
});
}
public static void deleteHistoryLevel(ProcessEngineConfigurationImpl processEngineConfiguration) {
processEngineConfiguration.getCommandExecutorTxRequired()
.execute(commandContext -> {
DbEntityManager dbEntityManager = commandContext.getDbEntityManager();
PropertyEntity historyLevelProperty = dbEntityManager.selectById(PropertyEntity.class, "historyLevel");
if (historyLevelProperty != null) {
dbEntityManager.delete(historyLevelProperty);
}
return null;
});
}
public static void clearUserOperationLog(ProcessEngineConfigurationImpl processEngineConfiguration) {
if (processEngineConfiguration.getHistoryLevel().equals(HistoryLevel.HISTORY_LEVEL_FULL)) {
HistoryService historyService = processEngineConfiguration.getHistoryService();
List logs = historyService.createUserOperationLogQuery().list();
for (UserOperationLogEntry log : logs) {
historyService.deleteUserOperationLogEntry(log.getId());
}
}
}
public static void deleteTelemetryProperty(ProcessEngineConfigurationImpl processEngineConfiguration) {
processEngineConfiguration.getCommandExecutorTxRequired()
.execute(commandContext -> {
DbEntityManager dbEntityManager = commandContext.getDbEntityManager();
PropertyEntity telemetryProperty = dbEntityManager.selectById(PropertyEntity.class, "camunda.telemetry.enabled");
if (telemetryProperty != null) {
dbEntityManager.delete(telemetryProperty);
}
return null;
});
}
public static void deleteInstallationId(ProcessEngineConfigurationImpl processEngineConfiguration) {
processEngineConfiguration.getCommandExecutorTxRequired()
.execute(commandContext -> {
DbEntityManager dbEntityManager = commandContext.getDbEntityManager();
PropertyEntity installationIdProperty = dbEntityManager.selectById(PropertyEntity.class, "camunda.installation.id");
if (installationIdProperty != null) {
dbEntityManager.delete(installationIdProperty);
}
return null;
});
}
public static Object defaultManualActivation() {
Expression expression = new FixedValue(true);
CaseControlRuleImpl caseControlRule = new CaseControlRuleImpl(expression);
return caseControlRule;
}
}
