/* 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 org.activiti.examples.task;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.activiti.engine.ActivitiOptimisticLockingException;
import org.activiti.engine.history.HistoricVariableInstance;
import org.activiti.engine.impl.history.HistoryLevel;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.impl.test.PluggableActivitiTestCase;
import org.activiti.engine.task.Task;
/**
* @author Joram Barrez
*/
public class StandaloneTaskTest extends PluggableActivitiTestCase {
public void setUp() throws Exception {
super.setUp();
identityService.saveUser(identityService.newUser("kermit"));
identityService.saveUser(identityService.newUser("gonzo"));
}
public void tearDown() throws Exception {
identityService.deleteUser("kermit");
identityService.deleteUser("gonzo");
super.tearDown();
}
public void testCreateToComplete() {
// Create and save task
Task task = taskService.newTask();
task.setName("testTask");
taskService.saveTask(task);
String taskId = task.getId();
// Add user as candidate user
taskService.addCandidateUser(taskId, "kermit");
taskService.addCandidateUser(taskId, "gonzo");
// Retrieve task list for kermit
List<Task> tasks = taskService.createTaskQuery().taskCandidateUser("kermit").list();
assertEquals(1, tasks.size());
assertEquals("testTask", tasks.get(0).getName());
// Retrieve task list for gonzo
tasks = taskService.createTaskQuery().taskCandidateUser("gonzo").list();
assertEquals(1, tasks.size());
assertEquals("testTask", tasks.get(0).getName());
task.setName("Update name");
taskService.saveTask(task);
tasks = taskService.createTaskQuery().taskCandidateUser("kermit").list();
assertEquals(1, tasks.size());
assertEquals("Update name", tasks.get(0).getName());
// Claim task
taskService.claim(taskId, "kermit");
// Tasks shouldn't appear in the candidate tasklists anymore
assertTrue(taskService.createTaskQuery().taskCandidateUser("kermit").list().isEmpty());
assertTrue(taskService.createTaskQuery().taskCandidateUser("gonzo").list().isEmpty());
// Complete task
taskService.deleteTask(taskId, true);
// Task should be removed from runtime data
// TODO: check for historic data when implemented!
assertNull(taskService.createTaskQuery().taskId(taskId).singleResult());
}
public void testOptimisticLockingThrownOnMultipleUpdates() {
Task task = taskService.newTask();
taskService.saveTask(task);
String taskId = task.getId();
// first modification
Task task1 = taskService.createTaskQuery().taskId(taskId).singleResult();
Task task2 = taskService.createTaskQuery().taskId(taskId).singleResult();
task1.setDescription("first modification");
taskService.saveTask(task1);
// second modification on the initial instance
task2.setDescription("second modification");
try {
taskService.saveTask(task2);
fail("should get an exception here as the task was modified by someone else.");
} catch (ActivitiOptimisticLockingException expected) {
// exception was thrown as expected
}
taskService.deleteTask(taskId, true);
}
// See https://activiti.atlassian.net/browse/ACT-1290
public void testRevisionUpdatedOnSave() {
Task task = taskService.newTask();
taskService.saveTask(task);
assertEquals(1, ((TaskEntity) task).getRevision());
task.setDescription("first modification");
taskService.saveTask(task);
assertEquals(2, ((TaskEntity) task).getRevision());
task.setDescription("second modification");
taskService.saveTask(task);
assertEquals(3, ((TaskEntity) task).getRevision());
taskService.deleteTask(task.getId(), true);
}
// See https://activiti.atlassian.net/browse/ACT-1290
public void testRevisionUpdatedOnSaveWhenFetchedUsingQuery() {
Task task = taskService.newTask();
taskService.saveTask(task);
assertEquals(1, ((TaskEntity) task).getRevision());
task.setAssignee("kermit");
taskService.saveTask(task);
assertEquals(2, ((TaskEntity) task).getRevision());
// Now fetch the task through the query api
task = taskService.createTaskQuery().singleResult();
assertEquals(2, ((TaskEntity) task).getRevision());
task.setPriority(1);
taskService.saveTask(task);
assertEquals(3, ((TaskEntity) task).getRevision());
taskService.deleteTask(task.getId(), true);
}
public void testHistoricVariableOkOnUpdate() {
if (processEngineConfiguration.getHistoryLevel().isAtLeast(HistoryLevel.AUDIT)) {
// 1. create a task
Task task = taskService.newTask();
task.setName("test execution");
task.setOwner("josOwner");
task.setAssignee("JosAssignee");
taskService.saveTask(task);
// 2. set task variables
Map<String, Object> taskVariables = new HashMap<String, Object>();
taskVariables.put("finishedAmount", 0);
taskService.setVariables(task.getId(), taskVariables);
// 3. complete this task with a new variable
Map<String, Object> finishVariables = new HashMap<String, Object>();
finishVariables.put("finishedAmount", 40);
taskService.complete(task.getId(), finishVariables);
// 4. get completed variable
List<HistoricVariableInstance> hisVarList = historyService.createHistoricVariableInstanceQuery().taskId(task.getId()).list();
assertEquals(1, hisVarList.size());
assertEquals(40, hisVarList.get(0).getValue());
// Cleanup
historyService.deleteHistoricTaskInstance(task.getId());
}
}
}