org.springframework.integration.jdbc.MessageGroupQueueTests.java Source code

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Here is the source code for org.springframework.integration.jdbc.MessageGroupQueueTests.java

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/*
 * Copyright 2002-2016 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.integration.jdbc;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;

import org.apache.commons.logging.LogFactory;
import org.junit.ClassRule;
import org.junit.Test;
import org.mockito.Mockito;

import org.springframework.integration.store.MessageGroup;
import org.springframework.integration.store.MessageGroupQueue;
import org.springframework.integration.store.MessageGroupStore;
import org.springframework.integration.store.SimpleMessageStore;
import org.springframework.integration.test.support.LongRunningIntegrationTest;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.GenericMessage;

/**
 * @author Oleg Zhurakousky
 * @author Artem Bilan
 */
public class MessageGroupQueueTests {

    @ClassRule
    public static LongRunningIntegrationTest longTests = new LongRunningIntegrationTest();

    @Test
    public void validateMgqInterruption() throws Exception {

        final MessageGroupQueue queue = new MessageGroupQueue(new SimpleMessageStore(), 1, 1);

        final AtomicReference<InterruptedException> exceptionHolder = new AtomicReference<InterruptedException>();

        Thread t = new Thread(() -> {
            queue.offer(new GenericMessage<String>("hello"));
            try {
                queue.offer(new GenericMessage<String>("hello"), 100, TimeUnit.SECONDS);
            } catch (InterruptedException e) {
                exceptionHolder.set(e);
            }
        });
        t.start();
        Thread.sleep(1000);
        t.interrupt();
        Thread.sleep(1000);
        assertTrue(exceptionHolder.get() instanceof InterruptedException);
    }

    @Test
    public void testConcurrentReadWrite() throws Exception {
        final MessageGroupQueue queue = new MessageGroupQueue(new SimpleMessageStore(), 1, 1);
        final AtomicReference<Message<?>> messageHolder = new AtomicReference<Message<?>>();

        Thread t1 = new Thread(() -> {
            try {
                messageHolder.set(queue.poll(1000, TimeUnit.SECONDS));
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue poll failed", e);
            }
        });
        Thread t2 = new Thread(() -> {
            try {
                queue.offer(new GenericMessage<String>("hello"), 1000, TimeUnit.SECONDS);
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue offer failed", e);
            }
        });
        t1.start();
        t2.start();
        Thread.sleep(1000);
        assertTrue(messageHolder.get() instanceof Message);
    }

    @Test
    public void testConcurrentWriteRead() throws Exception {
        final MessageGroupQueue queue = new MessageGroupQueue(new SimpleMessageStore(), 1, 1);
        final AtomicReference<Message<?>> messageHolder = new AtomicReference<Message<?>>();

        queue.offer(new GenericMessage<String>("hello"), 1000, TimeUnit.SECONDS);

        Thread t1 = new Thread(() -> {
            try {
                queue.offer(new GenericMessage<String>("Hi"), 1000, TimeUnit.SECONDS);
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue offer failed", e);
            }
        });
        Thread t2 = new Thread(() -> {
            try {
                queue.poll(1000, TimeUnit.SECONDS);
                messageHolder.set(queue.poll(1000, TimeUnit.SECONDS));
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue poll failed", e);
            }
        });

        t1.start();
        Thread.sleep(1000);
        t2.start();
        Thread.sleep(1000);
        assertTrue(messageHolder.get().getPayload().equals("Hi"));
    }

    @Test
    public void testConcurrentReadersWithTimeout() throws Exception {
        final MessageGroupQueue queue = new MessageGroupQueue(new SimpleMessageStore(), 1, 1);
        final AtomicReference<Message<?>> messageHolder1 = new AtomicReference<Message<?>>();
        final AtomicReference<Message<?>> messageHolder2 = new AtomicReference<Message<?>>();
        final AtomicReference<Message<?>> messageHolder3 = new AtomicReference<Message<?>>();

        Thread t1 = new Thread(() -> {
            try {
                messageHolder1.set(queue.poll(10, TimeUnit.SECONDS));
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue poll failed", e);
            }
        });
        Thread t2 = new Thread(() -> {
            try {
                messageHolder2.set(queue.poll(10, TimeUnit.SECONDS));
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue poll failed", e);
            }
        });
        Thread t3 = new Thread(() -> {
            try {
                messageHolder3.set(queue.poll(10, TimeUnit.SECONDS));
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue poll failed", e);
            }
        });
        Thread t4 = new Thread(() -> {
            try {
                queue.offer(new GenericMessage<String>("Hi"), 10, TimeUnit.SECONDS);
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue offer failed", e);
            }
        });
        t1.start();
        Thread.sleep(1000);
        t2.start();
        Thread.sleep(1000);
        t3.start();
        Thread.sleep(1000);
        t4.start();
        Thread.sleep(1000);
        assertNotNull(messageHolder1.get());
        assertEquals("Hi", messageHolder1.get().getPayload());
        Thread.sleep(4000);
        assertTrue(messageHolder2.get() == null);
    }

    @Test
    public void testConcurrentWritersWithTimeout() throws Exception {
        final MessageGroupQueue queue = new MessageGroupQueue(new SimpleMessageStore(), 1, 1);
        final AtomicReference<Boolean> booleanHolder1 = new AtomicReference<Boolean>(true);
        final AtomicReference<Boolean> booleanHolder2 = new AtomicReference<Boolean>(true);
        final AtomicReference<Boolean> booleanHolder3 = new AtomicReference<Boolean>(true);

        Thread t1 = new Thread(() -> {
            try {
                booleanHolder1.set(queue.offer(new GenericMessage<String>("Hi-1"), 2, TimeUnit.SECONDS));
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue offer failed", e);
            }
        });
        Thread t2 = new Thread(() -> {
            try {
                boolean offered = queue.offer(new GenericMessage<String>("Hi-2"), 2, TimeUnit.SECONDS);
                booleanHolder2.set(offered);
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue offer failed", e);
            }
        });
        Thread t3 = new Thread(() -> {
            try {
                boolean offered = queue.offer(new GenericMessage<String>("Hi-3"), 2, TimeUnit.SECONDS);
                booleanHolder3.set(offered);
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue offer failed", e);
            }
        });
        t1.start();
        Thread.sleep(1000);
        t2.start();
        Thread.sleep(100);
        t3.start();
        Thread.sleep(4000);
        assertTrue(booleanHolder1.get());
        assertFalse(booleanHolder2.get());
        assertFalse(booleanHolder3.get());
    }

    @Test
    public void testConcurrentWriteReadMulti() throws Exception {
        final MessageGroupQueue queue = new MessageGroupQueue(new SimpleMessageStore(), 1, 4);
        final AtomicReference<Message<?>> messageHolder = new AtomicReference<Message<?>>();

        queue.offer(new GenericMessage<String>("hello"), 1000, TimeUnit.SECONDS);

        Thread t1 = new Thread(() -> {
            try {
                queue.offer(new GenericMessage<String>("Hi"), 1000, TimeUnit.SECONDS);
                queue.offer(new GenericMessage<String>("Hi"), 1000, TimeUnit.SECONDS);
                queue.offer(new GenericMessage<String>("Hi"), 1000, TimeUnit.SECONDS);
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue offer failed", e);
            }
        });
        Thread t2 = new Thread(() -> {
            try {
                queue.poll(1000, TimeUnit.SECONDS);
                messageHolder.set(queue.poll(1000, TimeUnit.SECONDS));
                queue.poll(1000, TimeUnit.SECONDS);
                queue.poll(1000, TimeUnit.SECONDS);
            } catch (Exception e) {
                LogFactory.getLog(getClass()).error("queue poll failed", e);
            }
        });

        t1.start();
        Thread.sleep(1000);
        t2.start();
        Thread.sleep(1000);
        assertTrue(messageHolder.get().getPayload().equals("Hi"));
        assertNull(queue.poll(5, TimeUnit.SECONDS));
    }

    @Test
    public void validateMgqInterruptionStoreLock() throws Exception {

        MessageGroupStore mgs = Mockito.mock(MessageGroupStore.class);
        Mockito.doAnswer(invocation -> {
            Thread.sleep(5000);
            return null;
        }).when(mgs).addMessageToGroup(Mockito.any(Integer.class), Mockito.any(Message.class));

        MessageGroup mg = Mockito.mock(MessageGroup.class);
        Mockito.when(mgs.getMessageGroup(Mockito.any())).thenReturn(mg);
        Mockito.when(mg.size()).thenReturn(0);

        final MessageGroupQueue queue = new MessageGroupQueue(mgs, 1, 1);

        final AtomicReference<InterruptedException> exceptionHolder = new AtomicReference<InterruptedException>();

        Thread t1 = new Thread(() -> queue.offer(new GenericMessage<String>("hello")));
        t1.start();
        Thread.sleep(500);
        Thread t2 = new Thread(() -> {
            queue.offer(new GenericMessage<String>("hello"));
            try {
                queue.offer(new GenericMessage<String>("hello"), 100, TimeUnit.SECONDS);
            } catch (InterruptedException e) {
                exceptionHolder.set(e);
            }
        });
        t2.start();
        Thread.sleep(1000);
        t2.interrupt();
        Thread.sleep(1000);
        assertTrue(exceptionHolder.get() instanceof InterruptedException);
    }

}