Java tutorial
/** * 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()); } }