TransitionTest.java

/*
 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * 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.
 *
 * Contributors:
 *     dmetzler
 */
package org.nuxeo.ecm.core.event.test;

import static org.junit.Assert.assertEquals;

import java.util.Set;

import javax.inject.Inject;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.nuxeo.ecm.core.api.CoreSession;
import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.event.Event;
import org.nuxeo.ecm.core.event.EventListener;
import org.nuxeo.ecm.core.event.EventService;
import org.nuxeo.ecm.core.event.impl.EventListenerDescriptor;
import org.nuxeo.ecm.core.test.CoreFeature;
import org.nuxeo.runtime.test.runner.Features;
import org.nuxeo.runtime.test.runner.FeaturesRunner;

import com.google.common.collect.Sets;

/**
 * @since 5.9.3
 */
@RunWith(FeaturesRunner.class)
@Features(CoreFeature.class)
public class TransitionTest implements EventListener {

    @Inject
    EventService eventService;

    @Inject
    CoreSession session;

    private String lastComment;

    @Before
    public void doBefore() {
        lastComment = null;
        registerAsEventListenerFor(org.nuxeo.ecm.core.api.LifeCycleConstants.TRANSITION_EVENT);
    }

    @Test
    public void itCanAddACommentWhenFollowingTransition() throws Exception {
        DocumentModel doc = session.createDocumentModel("/", "myDoc", "File");
        doc = session.createDocument(doc);

        doc.putContextData("comment", "a comment");

        session.followTransition(doc, "approve");

        assertEquals("a comment", lastComment);
    }

    @Override
    public void handleEvent(Event event) {
        if (org.nuxeo.ecm.core.api.LifeCycleConstants.TRANSITION_EVENT.equals(event.getName())) {
            lastComment = (String) event.getContext().getProperty("comment");
        }
    }

    /**
     * Register this class as an eventListener for a given eventName
     *
     * @param eventName
     */
    private void registerAsEventListenerFor(final String eventName) {
        final EventListener el = this;
        eventService.addEventListener(new EventListenerDescriptor() {
            @Override
            public Set<String> getEvents() {
                return Sets.newHashSet(eventName);
            }

            @Override
            public EventListener asEventListener() {
                return el;
            }

            @Override
            public void initListener() {

            }

        });
    }

}