/*
* Copyright 2013 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.springframework.xd.shell.command;
import static org.junit.Assert.assertThat;
import static org.springframework.xd.shell.command.fixtures.XDMatchers.eventually;
import static org.springframework.xd.shell.command.fixtures.XDMatchers.hasValue;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Test;
import org.springframework.xd.shell.command.fixtures.HttpSource;
import org.springframework.xd.test.fixtures.CounterSink;
/**
* Tests for named channels.
*
* @author Ilayaperumal Gopinathan
* @author Eric Bottard
* @author Andy Clement
*/
public class NamedChannelTests extends AbstractStreamIntegrationTest {
private static final Log logger = LogFactory.getLog(StreamCommandTests.class);
@Test
public void testCreateNamedChannelAsSink() {
String streamName = generateStreamName();
String queueName = generateQueueName();
logger.info("Creating stream with named channel " + queueName + " as sink");
HttpSource source = newHttpSource();
stream().create(streamName,
"%s | transform --expression=payload.toUpperCase() > %s", source, queueName);
}
@Test
public void testCreateNamedChannelAsSource() throws InterruptedException {
String streamName1 = generateStreamName();
String streamName2 = generateStreamName();
String queueName = generateQueueName();
logger.info("Creating stream with named channel '" + queueName + "' as source");
HttpSource httpSource = newHttpSource();
CounterSink counterSink = metrics().newCounterSink();
stream().create(streamName1, "%s | transform --expression=payload.toUpperCase() > %s",
httpSource, queueName);
// Create stream with named channel as source
stream().create(streamName2, "%s > %s", queueName, counterSink);
httpSource.ensureReady().postData("test");
assertThat(counterSink, eventually(hasValue("1")));
}
}