| /** |
| * 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.hadoop.security; |
| import static org.junit.Assume.assumeTrue; |
| import static org.junit.Assert.*; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.SortedSet; |
| import java.util.TreeSet; |
| |
| import org.apache.hadoop.fs.CommonConfigurationKeys; |
| import org.apache.hadoop.security.GroupMappingServiceProvider; |
| import org.apache.hadoop.security.JniBasedUnixGroupsMapping; |
| import org.apache.hadoop.security.ShellBasedUnixGroupsMapping; |
| import org.apache.hadoop.security.UserGroupInformation; |
| import org.apache.hadoop.util.NativeCodeLoader; |
| import org.apache.hadoop.util.ReflectionUtils; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| |
| |
| public class TestJNIGroupsMapping { |
| |
| @Before |
| public void isNativeCodeLoaded() { |
| assumeTrue(NativeCodeLoader.isNativeCodeLoaded()); |
| } |
| |
| @Test |
| public void testJNIGroupsMapping() throws Exception { |
| //for the user running the test, check whether the |
| //ShellBasedUnixGroupsMapping and the JniBasedUnixGroupsMapping |
| //return the same groups |
| String user = UserGroupInformation.getCurrentUser().getShortUserName(); |
| testForUser(user); |
| //check for a dummy non-existent user (both the implementations should |
| //return an empty list |
| testForUser("fooBarBaz1234DoesNotExist"); |
| } |
| private void testForUser(String user) throws Exception { |
| GroupMappingServiceProvider g = new ShellBasedUnixGroupsMapping(); |
| List<String> shellBasedGroups = g.getGroups(user); |
| g = new JniBasedUnixGroupsMapping(); |
| List<String> jniBasedGroups = g.getGroups(user); |
| |
| String[] shellBasedGroupsArray = shellBasedGroups.toArray(new String[0]); |
| Arrays.sort(shellBasedGroupsArray); |
| String[] jniBasedGroupsArray = jniBasedGroups.toArray(new String[0]); |
| Arrays.sort(jniBasedGroupsArray); |
| |
| if (!Arrays.equals(shellBasedGroupsArray, jniBasedGroupsArray)) { |
| fail("Groups returned by " + |
| ShellBasedUnixGroupsMapping.class.getCanonicalName() + |
| " and " + |
| JniBasedUnixGroupsMapping.class.getCanonicalName() + |
| " didn't match for " + user); |
| } |
| } |
| } |