Package com.consol.citrus.channel

Source Code of com.consol.citrus.channel.MessageSelectingQueueChannelTest

/*
* Copyright 2006-2013 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 com.consol.citrus.channel;

import com.consol.citrus.channel.selector.HeaderMatchingMessageSelector;
import org.springframework.messaging.Message;
import org.springframework.integration.core.MessageSelector;
import org.springframework.integration.support.MessageBuilder;
import org.testng.Assert;
import org.testng.annotations.Test;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;

/**
* @author Christoph Deppisch
*/
public class MessageSelectingQueueChannelTest {

    @Test
    public void testReceiveSelected() {
        MessageSelectingQueueChannel channel = new MessageSelectingQueueChannel();
        channel.setPollingInterval(100L);
       
        channel.send(MessageBuilder.withPayload("FooMessage").setHeader("foo", "bar").build());
       
        Map<String, String> headers = new HashMap<String, String>();
        headers.put("foo", "bar");
        MessageSelector selector = new HeaderMatchingMessageSelector(headers);
       
        Message<?> receivedMessage = channel.receive(selector, 1000L);
       
        Assert.assertEquals(receivedMessage.getPayload(), "FooMessage");
        Assert.assertEquals(receivedMessage.getHeaders().get("foo"), "bar");
    }
   
    @Test
    public void testWithRetry() {
        MessageSelectingQueueChannel channel = new MessageSelectingQueueChannel();
        channel.setPollingInterval(100L);
       
        channel.send(MessageBuilder.withPayload("FooMessage").setHeader("foo", "bar").build());
       
        Map<String, String> headers = new HashMap<String, String>();
        headers.put("foo", "bar");
       
        final AtomicLong retries = new AtomicLong();
        MessageSelector selector = new HeaderMatchingMessageSelector(headers) {
            @Override
            public boolean accept(Message<?> message) {
                return retries.incrementAndGet() > 7;
            }
        };
       
        Message<?> receivedMessage = channel.receive(selector, 1000L);
       
        Assert.assertEquals(receivedMessage.getPayload(), "FooMessage");
        Assert.assertEquals(receivedMessage.getHeaders().get("foo"), "bar");
        Assert.assertEquals(retries.get(), 8L);
    }
   
    @Test
    public void testRetryExceeded() {
        MessageSelectingQueueChannel channel = new MessageSelectingQueueChannel();
        channel.setPollingInterval(500L);
       
        channel.send(MessageBuilder.withPayload("FooMessage").setHeader("foos", "bars").build());
       
        Map<String, String> headers = new HashMap<String, String>();
        headers.put("foo", "bar");
       
        final AtomicLong retries = new AtomicLong();
        MessageSelector selector = new HeaderMatchingMessageSelector(headers) {
            @Override
            public boolean accept(Message<?> message) {
                retries.incrementAndGet();
                return super.accept(message);
            }
        };
       
        Message<?> receivedMessage = channel.receive(selector, 1000L);
       
        Assert.assertNull(receivedMessage);
        Assert.assertEquals(retries.get(), 3L);
    }
   
    @Test
    public void testRetryExceededWithTimeoutRest() {
        MessageSelectingQueueChannel channel = new MessageSelectingQueueChannel();
        channel.setPollingInterval(400L);
       
        channel.send(MessageBuilder.withPayload("FooMessage").setHeader("foos", "bars").build());
       
        Map<String, String> headers = new HashMap<String, String>();
        headers.put("foo", "bar");
       
        final AtomicLong retries = new AtomicLong();
        MessageSelector selector = new HeaderMatchingMessageSelector(headers) {
            @Override
            public boolean accept(Message<?> message) {
                retries.incrementAndGet();
                return super.accept(message);
            }
        };
       
        Message<?> receivedMessage = channel.receive(selector, 1000L);
       
        Assert.assertNull(receivedMessage);
        Assert.assertEquals(retries.get(), 4L);
    }
}
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