ActivitiTestCase.java

/*
 * Copyright 2012 Cisco Systems
 *
 * 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.apache.provisionr.activiti.karaf.commands;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.logging.Logger;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.history.HistoricProcessInstance;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.test.ActivitiRule;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

/**
 * @author Srinivasan Chikkala
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:activiti.cfg.xml")
public abstract class ActivitiTestCase {

    private static final Logger LOG = Logger.getLogger(ActivitiTestCase.class.getName());

    @Autowired
    private ProcessEngine processEngine;

    @Autowired
    private RuntimeService runtimeService;

    @Autowired
    private TaskService taskService;

    @Autowired
    @Rule
    public ActivitiRule activitiSpringRule;

    private ByteArrayOutputStream outputStream;
    private PrintWriter out;

    private ByteArrayOutputStream errStream;
    private PrintWriter err;

    @Before
    public void setUp() {
        outputStream = new ByteArrayOutputStream();
        out = new PrintWriter(outputStream);

        errStream = new ByteArrayOutputStream();
        err = new PrintWriter(errStream);
    }

    @After
    public void tearDown() throws IOException {
        processEngine.close();

        out.close();
        outputStream.close();

        err.close();
        errStream.close();
    }

    public PrintWriter getOut() {
        return out;
    }

    public PrintWriter getErr() {
        return err;
    }

    public String collectStdOutput() throws IOException {
        out.flush();
        outputStream.flush();

        return outputStream.toString();
    }

    public String collectErrOutput() throws IOException {
        err.flush();
        errStream.flush();

        return errStream.toString();
    }

    protected ProcessEngine getProcessEngine() {
        return this.processEngine;
    }

    protected ProcessInstance startProcess(String processKey) throws Exception {
        return startProcess(processKey, new HashMap<String, Object>());
    }

    protected ProcessInstance startProcess(String processKey, Map<String, Object> variables) throws Exception {
        ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(processKey, variables);
        String processInstanceId = processInstance.getId();

        LOG.info("Started process instance id " + processInstanceId);
        runtimeService.createProcessInstanceQuery().count();

        HistoricProcessInstance historicProcessInstance = processEngine
            .getHistoryService().createHistoricProcessInstanceQuery()
            .processInstanceId(processInstanceId).singleResult();

        if (historicProcessInstance != null) {
            LOG.info("Finished " + processKey + "Instance. took "
                + historicProcessInstance.getDurationInMillis() + " millis");
        }
        return processInstance;
    }


}