org.springframework.yarn.client.ClientRmTemplateTests.java Source code

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Here is the source code for org.springframework.yarn.client.ClientRmTemplateTests.java

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/*
 * 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.client;

import static org.junit.Assert.assertNotNull;

import java.io.IOException;
import java.util.List;

import javax.annotation.Resource;

import org.apache.hadoop.yarn.api.ApplicationClientProtocol;
import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsRequest;
import org.apache.hadoop.yarn.api.protocolrecords.GetApplicationsResponse;
import org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse;
import org.apache.hadoop.yarn.api.records.ApplicationReport;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.util.Records;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.yarn.rpc.YarnRpcCallback;

/**
 * Tests for {@link ClientRmTemplate}.
 *
 * @author Janne Valkealahti
 *
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class ClientRmTemplateTests {

    @Resource(name = "yarnClientRmTemplate")
    private ClientRmTemplate template;

    @Test
    public void testGetNewApplicationResponse() {
        assertNotNull(template);

        GetNewApplicationResponse response = template.getNewApplication();
        assertNotNull(response);
    }

    @Test
    public void testListApplications() {
        List<ApplicationReport> applications = template.listApplications();
        assertNotNull(applications);
    }

    @Test
    public void testExecuteCallback() {
        List<ApplicationReport> applications = template
                .execute(new YarnRpcCallback<List<ApplicationReport>, ApplicationClientProtocol>() {
                    @Override
                    public List<ApplicationReport> doInYarn(ApplicationClientProtocol proxy)
                            throws YarnException, IOException {
                        GetApplicationsRequest request = Records.newRecord(GetApplicationsRequest.class);
                        GetApplicationsResponse response = proxy.getApplications(request);
                        return response.getApplicationList();
                    }
                });
        assertNotNull(applications);
    }

}