org.apache.tez.dag.app.rm.TestTezAMRMClient.java Source code

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Here is the source code for org.apache.tez.dag.app.rm.TestTezAMRMClient.java

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/**
 * 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.tez.dag.app.rm;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.client.api.AMRMClient;
import org.apache.hadoop.yarn.client.api.async.AMRMClientAsync;
import org.apache.hadoop.yarn.client.api.impl.AMRMClientImpl;
import org.apache.hadoop.yarn.util.RackResolver;
import org.apache.tez.common.MockDNSToSwitchMapping;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

import java.util.Collection;
import java.util.List;

import static org.mockito.Mockito.mock;

public class TestTezAMRMClient {

    private TezAMRMClientAsync amrmClient;

    @BeforeClass
    public static void beforeClass() {
        MockDNSToSwitchMapping.initializeMockRackResolver();
    }

    @Before
    public void setup() {
        amrmClient = new TezAMRMClientAsync(new AMRMClientImpl(), 1000,
                mock(AMRMClientAsync.CallbackHandler.class));
        RackResolver.init(new Configuration());
    }

    @After
    public void teardown() {
        amrmClient = null;
    }

    @Test(timeout = 10000)
    public void testMatchingRequestsForTopPriority() {
        String[] hosts = { "host1" };
        String[] racks = { "rack1" };
        AMRMClient.ContainerRequest req1 = new AMRMClient.ContainerRequest(Resource.newInstance(2048, 1), hosts,
                racks, Priority.newInstance(1));
        AMRMClient.ContainerRequest req2 = new AMRMClient.ContainerRequest(Resource.newInstance(1024, 1), hosts,
                racks, Priority.newInstance(2));
        AMRMClient.ContainerRequest req3 = new AMRMClient.ContainerRequest(Resource.newInstance(1024, 1), hosts,
                racks, Priority.newInstance(3));
        amrmClient.addContainerRequest(req1);
        amrmClient.addContainerRequest(req2);
        amrmClient.addContainerRequest(req3);

        Assert.assertTrue(
                amrmClient.getMatchingRequestsForTopPriority("host1", Resource.newInstance(1024, 1)).isEmpty());

        List<? extends Collection<AMRMClient.ContainerRequest>> ret = amrmClient
                .getMatchingRequestsForTopPriority("host1", Resource.newInstance(2048, 1));
        Assert.assertFalse(ret.isEmpty());
        Assert.assertEquals(req1, ret.get(0).iterator().next());

        amrmClient.removeContainerRequest(req1);

        ret = amrmClient.getMatchingRequestsForTopPriority("host1", Resource.newInstance(1024, 1));
        Assert.assertFalse(ret.isEmpty());
        Assert.assertEquals(req2, ret.get(0).iterator().next());
    }

}