| /** |
| * 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.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.junit.After; |
| import org.junit.Test; |
| |
| public class TestNetgroupCache { |
| |
| private static final String USER1 = "user1"; |
| private static final String USER2 = "user2"; |
| private static final String USER3 = "user3"; |
| private static final String GROUP1 = "group1"; |
| private static final String GROUP2 = "group2"; |
| |
| @After |
| public void teardown() { |
| NetgroupCache.clear(); |
| } |
| |
| /** |
| * Cache two groups with a set of users. |
| * Test membership correctness. |
| */ |
| @Test |
| public void testMembership() { |
| List<String> users = new ArrayList<String>(); |
| users.add(USER1); |
| users.add(USER2); |
| NetgroupCache.add(GROUP1, users); |
| users = new ArrayList<String>(); |
| users.add(USER1); |
| users.add(USER3); |
| NetgroupCache.add(GROUP2, users); |
| verifyGroupMembership(USER1, 2, GROUP1); |
| verifyGroupMembership(USER1, 2, GROUP2); |
| verifyGroupMembership(USER2, 1, GROUP1); |
| verifyGroupMembership(USER3, 1, GROUP2); |
| } |
| |
| /** |
| * Cache a group with a set of users. |
| * Test membership correctness. |
| * Clear cache, remove a user from the group and cache the group |
| * Test membership correctness. |
| */ |
| @Test |
| public void testUserRemoval() { |
| List<String> users = new ArrayList<String>(); |
| users.add(USER1); |
| users.add(USER2); |
| NetgroupCache.add(GROUP1, users); |
| verifyGroupMembership(USER1, 1, GROUP1); |
| verifyGroupMembership(USER2, 1, GROUP1); |
| users.remove(USER2); |
| NetgroupCache.clear(); |
| NetgroupCache.add(GROUP1, users); |
| verifyGroupMembership(USER1, 1, GROUP1); |
| verifyGroupMembership(USER2, 0, null); |
| } |
| |
| /** |
| * Cache two groups with a set of users. |
| * Test membership correctness. |
| * Clear cache, cache only one group. |
| * Test membership correctness. |
| */ |
| @Test |
| public void testGroupRemoval() { |
| List<String> users = new ArrayList<String>(); |
| users.add(USER1); |
| users.add(USER2); |
| NetgroupCache.add(GROUP1, users); |
| users = new ArrayList<String>(); |
| users.add(USER1); |
| users.add(USER3); |
| NetgroupCache.add(GROUP2, users); |
| verifyGroupMembership(USER1, 2, GROUP1); |
| verifyGroupMembership(USER1, 2, GROUP2); |
| verifyGroupMembership(USER2, 1, GROUP1); |
| verifyGroupMembership(USER3, 1, GROUP2); |
| NetgroupCache.clear(); |
| users = new ArrayList<String>(); |
| users.add(USER1); |
| users.add(USER2); |
| NetgroupCache.add(GROUP1, users); |
| verifyGroupMembership(USER1, 1, GROUP1); |
| verifyGroupMembership(USER2, 1, GROUP1); |
| verifyGroupMembership(USER3, 0, null); |
| } |
| |
| private void verifyGroupMembership(String user, int size, String group) { |
| List<String> groups = new ArrayList<String>(); |
| NetgroupCache.getNetgroups(user, groups); |
| assertEquals(size, groups.size()); |
| if (size > 0) { |
| boolean present = false; |
| for (String groupEntry:groups) { |
| if (groupEntry.equals(group)) { |
| present = true; |
| break; |
| } |
| } |
| assertTrue(present); |
| } |
| } |
| } |