ConsumerCompletionTest.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.camel.component.beanstalk;

import java.util.concurrent.TimeUnit;

import com.surftools.BeanstalkClient.BeanstalkException;
import com.surftools.BeanstalkClient.Job;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.NotifyBuilder;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.junit.Test;

import static org.mockito.Matchers.anyLong;
import static org.mockito.Mockito.anyInt;
import static org.mockito.Mockito.atLeast;
import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

public class ConsumerCompletionTest extends BeanstalkMockTestSupport {
    private String testMessage = "hello, world";
    private boolean shouldIdie;
    private Processor processor = new Processor() {
        @Override
        public void process(Exchange exchange) throws InterruptedException {
            if (shouldIdie) {
                throw new InterruptedException("die");
            }
        }
    };

    @Test
    public void testDeleteOnComplete() throws Exception {
        if (!canTest()) {
            return;
        }

        final long jobId = 111;
        final byte[] payload = Helper.stringToBytes(testMessage);
        final Job jobMock = mock(Job.class);

        when(jobMock.getJobId()).thenReturn(jobId);
        when(jobMock.getData()).thenReturn(payload);
        when(client.reserve(anyInt()))
                .thenReturn(jobMock)
                .thenReturn(null);
        when(client.statsJob(anyInt())).thenReturn(null);

        MockEndpoint result = getMockEndpoint("mock:result");

        result.expectedMinimumMessageCount(1);
        result.expectedBodiesReceived(testMessage);
        result.expectedHeaderReceived(Headers.JOB_ID, jobId);
        result.message(0).header(Headers.JOB_ID).isEqualTo(jobId);

        context.startRoute("foo");

        result.assertIsSatisfied();

        verify(client, atLeastOnce()).reserve(anyInt());
        verify(client, atLeastOnce()).statsJob(anyInt());
        verify(client).delete(jobId);
    }

    @Test
    public void testReleaseOnFailure() throws Exception {
        shouldIdie = true;
        final long jobId = 111;
        final long priority = BeanstalkComponent.DEFAULT_PRIORITY;
        final int delay = BeanstalkComponent.DEFAULT_DELAY;
        final byte[] payload = Helper.stringToBytes(testMessage);
        final Job jobMock = mock(Job.class);

        when(jobMock.getJobId()).thenReturn(jobId);
        when(jobMock.getData()).thenReturn(payload);
        when(client.reserve(anyInt()))
                .thenReturn(jobMock)
                .thenReturn(null);
        when(client.statsJob(anyInt())).thenReturn(null);
        when(client.release(anyInt(), anyLong(), anyInt())).thenReturn(true);

        NotifyBuilder notify = new NotifyBuilder(context).whenFailed(1).create();

        MockEndpoint result = getMockEndpoint("mock:result");
        result.expectedMessageCount(0);

        context.startRoute("foo");

        assertTrue(notify.matches(5, TimeUnit.SECONDS));

        verify(client, atLeastOnce()).reserve(anyInt());
        verify(client, atLeastOnce()).statsJob(anyInt());
        verify(client).release(jobId, priority, delay);
    }

    @Test
    public void testBeanstalkException() throws Exception {
        if (!canTest()) {
            return;
        }

        shouldIdie = false;
        final Job jobMock = mock(Job.class);
        final long jobId = 111;
        final byte[] payload = Helper.stringToBytes(testMessage);

        when(jobMock.getJobId()).thenReturn(jobId);
        when(jobMock.getData()).thenReturn(payload);
        when(client.reserve(anyInt()))
                .thenThrow(new BeanstalkException("test"))
                .thenReturn(jobMock);
        when(client.statsJob(anyInt())).thenReturn(null);

        MockEndpoint result = getMockEndpoint("mock:result");
        result.expectedMessageCount(1);
        result.expectedBodiesReceived(testMessage);
        result.expectedHeaderReceived(Headers.JOB_ID, jobId);
        result.message(0).header(Headers.JOB_ID).isEqualTo(jobId);

        context.startRoute("foo");

        result.assertIsSatisfied();

        verify(client, atLeast(1)).reserve(anyInt());
        verify(client, times(1)).close();
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            @Override
            public void configure() {
                from("beanstalk:tube?consumer.onFailure=release").routeId("foo")
                        .process(processor).to("mock:result");
            }
        };
    }
}