| /** |
| * 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.lib.servlet; |
| |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import javax.servlet.Filter; |
| import javax.servlet.FilterChain; |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletRequest; |
| import javax.servlet.ServletResponse; |
| |
| import org.apache.hadoop.test.HTestCase; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| |
| |
| public class TestHostnameFilter extends HTestCase { |
| |
| @Test |
| public void hostname() throws Exception { |
| ServletRequest request = Mockito.mock(ServletRequest.class); |
| Mockito.when(request.getRemoteAddr()).thenReturn("localhost"); |
| |
| ServletResponse response = Mockito.mock(ServletResponse.class); |
| |
| final AtomicBoolean invoked = new AtomicBoolean(); |
| |
| FilterChain chain = new FilterChain() { |
| @Override |
| public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse) |
| throws IOException, ServletException { |
| // Hostname was set to "localhost", but may get resolved automatically to |
| // "127.0.0.1" depending on OS. |
| assertTrue(HostnameFilter.get().contains("localhost") || |
| HostnameFilter.get().contains("127.0.0.1")); |
| invoked.set(true); |
| } |
| }; |
| |
| Filter filter = new HostnameFilter(); |
| filter.init(null); |
| assertNull(HostnameFilter.get()); |
| filter.doFilter(request, response, chain); |
| assertTrue(invoked.get()); |
| assertNull(HostnameFilter.get()); |
| filter.destroy(); |
| } |
| |
| @Test |
| public void testMissingHostname() throws Exception { |
| ServletRequest request = Mockito.mock(ServletRequest.class); |
| Mockito.when(request.getRemoteAddr()).thenReturn(null); |
| |
| ServletResponse response = Mockito.mock(ServletResponse.class); |
| |
| final AtomicBoolean invoked = new AtomicBoolean(); |
| |
| FilterChain chain = new FilterChain() { |
| @Override |
| public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse) |
| throws IOException, ServletException { |
| assertTrue(HostnameFilter.get().contains("???")); |
| invoked.set(true); |
| } |
| }; |
| |
| Filter filter = new HostnameFilter(); |
| filter.init(null); |
| assertNull(HostnameFilter.get()); |
| filter.doFilter(request, response, chain); |
| assertTrue(invoked.get()); |
| assertNull(HostnameFilter.get()); |
| filter.destroy(); |
| } |
| } |