org.apache.tez.dag.app.dag.app.TestTezTaskCommunicatorManager.java Source code

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/*
 * 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.apache.tez.dag.app.dag.app;

import static org.junit.Assert.assertNull;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

import java.io.IOException;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.tez.common.ContainerContext;
import org.apache.tez.common.ContainerTask;
import org.apache.tez.common.TezUtils;
import org.apache.tez.dag.api.UserPayload;
import org.apache.tez.dag.app.TezTaskCommunicatorImpl;
import org.apache.tez.serviceplugins.api.TaskCommunicatorContext;
import org.junit.Test;

public class TestTezTaskCommunicatorManager {

    @Test(timeout = 5000)
    public void testContainerAliveOnGetTask() throws IOException {

        TaskCommunicatorContext context = mock(TaskCommunicatorContext.class);
        Configuration conf = new Configuration(false);
        UserPayload userPayload = TezUtils.createUserPayloadFromConf(conf);

        ApplicationId appId = ApplicationId.newInstance(1000, 1);
        ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(appId, 1);
        ContainerId containerId = createContainerId(appId, 1);

        doReturn(appAttemptId).when(context).getApplicationAttemptId();
        doReturn(userPayload).when(context).getInitialUserPayload();
        doReturn(new Credentials()).when(context).getAMCredentials();

        TezTaskCommunicatorImpl taskComm = new TezTaskCommunicatorImpl(context);

        ContainerContext containerContext = new ContainerContext(containerId.toString());
        taskComm.registerRunningContainer(containerId, "fakehost", 0);
        ContainerTask containerTask = taskComm.getUmbilical().getTask(containerContext);
        assertNull(containerTask);

        verify(context).containerAlive(containerId);
    }

    @SuppressWarnings("deprecation")
    private ContainerId createContainerId(ApplicationId applicationId, int containerIdx) {
        ApplicationAttemptId appAttemptId = ApplicationAttemptId.newInstance(applicationId, 1);
        return ContainerId.newInstance(appAttemptId, containerIdx);
    }
}