AmserviceClientNamespaceTest.java example

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spring-hadoop-master
/*
 * 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.yarn.integration.config;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.integration.channel.DirectChannel;
import org.springframework.integration.channel.QueueChannel;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.yarn.integration.IntegrationAppmasterServiceClientFactoryBean;
import org.springframework.yarn.integration.TestUtils;
import org.springframework.yarn.integration.ip.mind.TestServiceClient;

/**
 * Testing 'int:amservice-client' namespace.
 *
 * @author Janne Valkealahti
 *
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("amserviceclient-ns.xml")
public class AmserviceClientNamespaceTest {

	@Autowired
	private ApplicationContext ctx;

	@Test
	public void testDefaults() throws Exception {
		assertTrue(ctx.containsBean("yarnAmserviceClient"));
		IntegrationAppmasterServiceClientFactoryBean fb =
				(IntegrationAppmasterServiceClientFactoryBean) ctx.getBean("&yarnAmserviceClient");
		assertNotNull(fb);

		Class<?> clazz = TestUtils.readField("serviceImpl", fb);
		assertThat(clazz.getCanonicalName(), is("org.springframework.yarn.integration.ip.mind.TestServiceClient"));
		assertThat(TestUtils.readField("requestChannel", fb), instanceOf(DirectChannel.class));
		assertThat(TestUtils.readField("responseChannel", fb), instanceOf(QueueChannel.class));
		assertThat(TestUtils.readField("serviceClient", fb), instanceOf(TestServiceClient.class));

		TestServiceClient client = (TestServiceClient) ctx.getBean("yarnAmserviceClient");
		assertNotNull(client);
		assertThat(TestUtils.readField("requestChannel", client), instanceOf(DirectChannel.class));
		assertThat(TestUtils.readField("responseChannel", client), instanceOf(QueueChannel.class));
	}

	@Test
	public void testChannelBeans() throws Exception {
		assertTrue(ctx.containsBean("yarnAmserviceClient2"));
		IntegrationAppmasterServiceClientFactoryBean fb =
				(IntegrationAppmasterServiceClientFactoryBean) ctx.getBean("&yarnAmserviceClient2");
		assertNotNull(fb);

		Class<?> clazz = TestUtils.readField("serviceImpl", fb);
		assertThat(clazz.getCanonicalName(), is("org.springframework.yarn.integration.ip.mind.TestServiceClient"));
		assertThat(TestUtils.readField("requestChannel", fb), instanceOf(DirectChannel.class));
		assertThat(TestUtils.readField("responseChannel", fb), instanceOf(QueueChannel.class));
		assertThat(TestUtils.readField("serviceClient", fb), instanceOf(TestServiceClient.class));

		TestServiceClient client = (TestServiceClient) ctx.getBean("yarnAmserviceClient2");
		assertNotNull(client);
		assertThat(TestUtils.readField("requestChannel", client), instanceOf(DirectChannel.class));
		assertThat(TestUtils.readField("responseChannel", client), instanceOf(QueueChannel.class));
	}

}