001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.security.token;
019
020import static org.junit.jupiter.api.Assertions.assertFalse;
021import static org.junit.jupiter.api.Assertions.fail;
022
023import java.io.IOException;
024import java.lang.reflect.Field;
025import java.net.URL;
026import java.net.URLClassLoader;
027import java.util.concurrent.CompletableFuture;
028import java.util.concurrent.ExecutionException;
029import org.apache.hadoop.hbase.client.AsyncConnection;
030import org.apache.hadoop.hbase.client.Connection;
031import org.apache.hadoop.hbase.testclassification.SmallTests;
032import org.junit.jupiter.api.AfterEach;
033import org.junit.jupiter.api.BeforeEach;
034import org.junit.jupiter.api.Tag;
035import org.junit.jupiter.api.Test;
036
037import org.apache.hbase.thirdparty.com.google.common.io.Closeables;
038import org.apache.hbase.thirdparty.com.google.protobuf.ServiceException;
039
040import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
041
042@Tag(SmallTests.TAG)
043public class TestClientTokenUtil {
044
045  private URLClassLoader cl;
046
047  @BeforeEach
048  public void setUp() {
049    URL urlPU = ProtobufUtil.class.getProtectionDomain().getCodeSource().getLocation();
050    URL urlCTU = ClientTokenUtil.class.getProtectionDomain().getCodeSource().getLocation();
051    cl = new URLClassLoader(new URL[] { urlPU, urlCTU }, getClass().getClassLoader());
052  }
053
054  @AfterEach
055  public void tearDown() throws IOException {
056    Closeables.close(cl, true);
057  }
058
059  private void assertException(Throwable injected, Throwable t) {
060    while ((t = t.getCause()) != null) {
061      if (t == injected) { // reference equality
062        return;
063      }
064    }
065    fail("can not find injected exception " + injected + ", actual exception is " + t);
066  }
067
068  @Test
069  public void testObtainToken() throws Exception {
070    Exception injected = new Exception("injected");
071
072    Class<?> clientTokenUtil = cl.loadClass(ClientTokenUtil.class.getCanonicalName());
073    Field shouldInjectFault = clientTokenUtil.getDeclaredField("injectedException");
074    shouldInjectFault.setAccessible(true);
075    shouldInjectFault.set(null, new ServiceException(injected));
076
077    try {
078      ClientTokenUtil.obtainToken((Connection) null);
079      fail("Should have injected exception.");
080    } catch (IOException e) {
081      assertException(injected, e);
082    }
083
084    CompletableFuture<?> future = ClientTokenUtil.obtainToken((AsyncConnection) null);
085    try {
086      future.get();
087      fail("Should have injected exception.");
088    } catch (ExecutionException e) {
089      assertException(injected, e);
090    }
091    Boolean loaded = (Boolean) cl.loadClass(ProtobufUtil.class.getCanonicalName())
092      .getDeclaredMethod("isClassLoaderLoaded").invoke(null);
093    assertFalse(loaded, "Should not have loaded DynamicClassLoader");
094  }
095}