SqsAsyncClientBeanDefinitionParserTest.java

/*
 * Copyright 2013-2014 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.cloud.aws.messaging.config.xml;

import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.sqs.AmazonSQSAsyncClient;
import com.amazonaws.services.sqs.buffered.AmazonSQSBufferedAsyncClient;
import org.junit.Test;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.cloud.aws.core.task.ShutdownSuppressingExecutorServiceAdapter;
import org.springframework.core.io.ClassPathResource;
import org.springframework.test.util.ReflectionTestUtils;

import java.util.concurrent.ThreadPoolExecutor;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;

public class SqsAsyncClientBeanDefinitionParserTest {

    @Test
    public void parseInternal_minimalConfiguration_createsBufferedClientWithoutExplicitTaskExecutor() throws Exception {
        //Arrange
        DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
        XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);

        //Act
        reader.loadBeanDefinitions(new ClassPathResource(getClass().getSimpleName() + "-minimal.xml", getClass()));

        //Assert
        AmazonSQSBufferedAsyncClient sqsBufferedAsyncClient = beanFactory.getBean("customClient", AmazonSQSBufferedAsyncClient.class);
        AmazonSQSAsyncClient asyncClient = (AmazonSQSAsyncClient) ReflectionTestUtils.getField(sqsBufferedAsyncClient, "realSQS");
        assertNotNull(asyncClient);
        ThreadPoolExecutor threadPoolExecutor = (ThreadPoolExecutor) ReflectionTestUtils.getField(asyncClient, "executorService");
        assertEquals(50, threadPoolExecutor.getCorePoolSize());
    }

    @Test
    public void parseInternal_notBuffered_createsAsyncClientWithoutBufferedDecorator() throws Exception {
        //Arrange
        DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
        XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);

        //Act
        reader.loadBeanDefinitions(new ClassPathResource(getClass().getSimpleName() + "-not-buffered.xml", getClass()));

        //Assert
        AmazonSQSAsyncClient asyncClient = beanFactory.getBean("customClient", AmazonSQSAsyncClient.class);
        assertNotNull(asyncClient);
        assertTrue(AmazonSQSAsyncClient.class.isInstance(asyncClient));
    }

    @Test
    public void parseInternal_withCustomTasExecutor_createsBufferedClientWithCustomTaskExecutor() throws Exception {
        //Arrange
        DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory();
        XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(beanFactory);

        //Act
        reader.loadBeanDefinitions(new ClassPathResource(getClass().getSimpleName() + "-custom-task-executor.xml", getClass()));

        //Assert
        AmazonSQSBufferedAsyncClient sqsBufferedAsyncClient = beanFactory.getBean("customClient", AmazonSQSBufferedAsyncClient.class);
        AmazonSQSAsyncClient asyncClient = (AmazonSQSAsyncClient) ReflectionTestUtils.getField(sqsBufferedAsyncClient, "realSQS");
        assertNotNull(asyncClient);
        ShutdownSuppressingExecutorServiceAdapter executor = (ShutdownSuppressingExecutorServiceAdapter) ReflectionTestUtils.getField(asyncClient, "executorService");
        assertSame(beanFactory.getBean("myThreadPoolTaskExecutor"), ReflectionTestUtils.getField(executor, "taskExecutor"));
    }

    @Test
    public void parseInternal_withCustomRegion_shouldConfigureDefaultClientWithCustomRegion() throws Exception {
        //Arrange
        DefaultListableBeanFactory registry = new DefaultListableBeanFactory();
        XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(registry);

        //Act
        reader.loadBeanDefinitions(new ClassPathResource(getClass().getSimpleName() + "-custom-region.xml", getClass()));

        //Assert
        AmazonSQSBufferedAsyncClient amazonSqs = registry.getBean(AmazonSQSBufferedAsyncClient.class);
        Object amazonSqsAsyncClient = ReflectionTestUtils.getField(amazonSqs, "realSQS");
        assertEquals("https://" + Region.getRegion(Regions.EU_WEST_1).getServiceEndpoint("sqs"), ReflectionTestUtils.getField(amazonSqsAsyncClient, "endpoint").toString());
    }

    @Test
    public void parseInternal_withCustomRegionProvider_shouldConfigureDefaultClientWithCustomRegionReturnedByProvider() throws Exception {
        //Arrange
        DefaultListableBeanFactory registry = new DefaultListableBeanFactory();
        XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(registry);

        //Act
        reader.loadBeanDefinitions(new ClassPathResource(getClass().getSimpleName() + "-custom-region-provider.xml", getClass()));

        //Assert
        AmazonSQSBufferedAsyncClient amazonSqs = registry.getBean(AmazonSQSBufferedAsyncClient.class);
        Object amazonSqsAsyncClient = ReflectionTestUtils.getField(amazonSqs, "realSQS");
        assertEquals("https://" + Region.getRegion(Regions.AP_SOUTHEAST_2).getServiceEndpoint("sqs"), ReflectionTestUtils.getField(amazonSqsAsyncClient, "endpoint").toString());
    }

}