org.opencredo.couchdb.inbound.CouchDbInboundChannelAdapterTest.java Source code

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Here is the source code for org.opencredo.couchdb.inbound.CouchDbInboundChannelAdapterTest.java

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/*
 * Copyright 2011 the original author or authors
 *
 * 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.opencredo.couchdb.inbound;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.opencredo.couchdb.CouchDbIntegrationTest;
import org.opencredo.couchdb.DummyDocument;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.messaging.Message;
import org.springframework.integration.core.MessagingTemplate;
import org.springframework.integration.endpoint.AbstractEndpoint;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import java.net.URI;

import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.notNullValue;
import static org.junit.Assert.assertThat;

/**
 * @author Tareq Abedrabbo
 * @since 31/01/2011
 */

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class CouchDbInboundChannelAdapterTest extends CouchDbIntegrationTest {

    @Autowired
    @Qualifier("inboundChannelAdapter")
    private AbstractEndpoint inboundChannelAdapter;

    @Autowired
    private MessagingTemplate messagingTemplate;
    private static final int TEST_MESSAGES_NUMBER = 5;

    @Test
    public void receiveChanges() throws Exception {

        createTestDocuments();

        // start the poller here to avoid polling CouchDB before it's ready
        inboundChannelAdapter.start();

        for (int i = 0; i < TEST_MESSAGES_NUMBER; i++) {
            Message<Object> message = (Message<Object>) messagingTemplate.receive();
            log.debug("received message " + message);
            assertThat(message, notNullValue());
            Object payload = message.getPayload();
            assertThat(payload, instanceOf(URI.class));
        }
    }

    private void createTestDocuments() {
        for (int i = 0; i < TEST_MESSAGES_NUMBER; i++) {
            DummyDocument document = new DummyDocument("test message " + i);
            putDocument(document);
        }
    }
}