org.apache.tez.dag.api.client.TestTimelineReaderFactory.java Source code

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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.api.client;

import static org.mockito.Mockito.mock;

import java.net.HttpURLConnection;
import java.net.URL;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.security.authentication.client.ConnectionConfigurator;
import org.apache.tez.dag.api.TezException;
import org.apache.tez.dag.api.client.TimelineReaderFactory.TimelineReaderPseudoAuthenticatedStrategy;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Test;

public class TestTimelineReaderFactory {

    @Before
    public void setup() {
        // Disable tests if hadoop version is less than 2.4.0
        // as Timeline is not supported in 2.2.x or 2.3.x
        String hadoopVersion = System.getProperty("tez.hadoop.version");
        Assume.assumeFalse(hadoopVersion.startsWith("2.2.") || hadoopVersion.startsWith("2.3."));
    }

    // ensure on hadoop 2.4 TimelinePseudoAuthenticatedStrategy is used.
    @Test(timeout = 5000)
    public void testShouldUsePseudoAuthStrategyForHadoop24() throws TezException {
        String hadoopVersion = System.getProperty("tez.hadoop.version");
        Assume.assumeTrue(hadoopVersion.startsWith("2.4.") || hadoopVersion.startsWith("2.5."));

        String returnedClassName = TimelineReaderFactory
                .getTimelineReaderStrategy(mock(Configuration.class), false, 0).getClass().getCanonicalName();
        Assert.assertEquals("should use pseudo auth on hadoop2.4",
                "org.apache.tez.dag.api.client.TimelineReaderFactory.TimelineReaderPseudoAuthenticatedStrategy",
                returnedClassName);
    }

    // ensure on hadoop 2.6+ TimelineReaderTokenAuthenticatedStrategy is used.
    @Test(timeout = 5000)
    public void testShouldUseTokenDelegationAuthStrategyForHadoop26() throws TezException {
        String hadoopVersion = System.getProperty("tez.hadoop.version");
        Assume.assumeFalse(hadoopVersion.startsWith("2.2.") || hadoopVersion.startsWith("2.3.")
                || hadoopVersion.startsWith("2.4.") || hadoopVersion.startsWith("2.5."));

        String returnedClassName = TimelineReaderFactory
                .getTimelineReaderStrategy(mock(Configuration.class), false, 0).getClass().getCanonicalName();
        Assert.assertEquals("should use pseudo auth on hadoop2.4",
                "org.apache.tez.dag.api.client.TimelineReaderFactory.TimelineReaderTokenAuthenticatedStrategy",
                returnedClassName);
    }

    @Test(timeout = 5000)
    public void testPseudoAuthenticatorConnectionUrlShouldHaveUserName() throws Exception {
        ConnectionConfigurator connConf = mock(ConnectionConfigurator.class);
        TimelineReaderPseudoAuthenticatedStrategy.PseudoAuthenticatedURLConnectionFactory connectionFactory = new TimelineReaderPseudoAuthenticatedStrategy.PseudoAuthenticatedURLConnectionFactory(
                connConf);
        String inputUrl = "http://host:8080/path";
        String expectedUrl = inputUrl + "?user.name=" + UserGroupInformation.getCurrentUser().getShortUserName();
        HttpURLConnection httpURLConnection = connectionFactory.getHttpURLConnection(new URL(inputUrl));
        Assert.assertEquals(expectedUrl, httpURLConnection.getURL().toString());
    }

}