HttpHeaderTest.java revision eb0ced7a094df2c73e052a066535f4359b11a92d
1c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard/* 2c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * Copyright (C) 2010 The Android Open Source Project 3c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * 4c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * Licensed under the Apache License, Version 2.0 (the "License"); 5c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * you may not use this file except in compliance with the License. 6c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * You may obtain a copy of the License at 7c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * 8c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * http://www.apache.org/licenses/LICENSE-2.0 9c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * 10c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * Unless required by applicable law or agreed to in writing, software 11c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * distributed under the License is distributed on an "AS IS" BASIS, 12c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * See the License for the specific language governing permissions and 14c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * limitations under the License. 15c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard */ 16c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baardpackage android.core; 17c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard 18c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baardimport android.test.AndroidTestCase; 19c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baardimport org.apache.http.util.CharArrayBuffer; 20c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard 21c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baardimport android.net.http.Headers; 22eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baardimport android.util.Log; 23eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baardimport android.webkit.CacheManager; 24eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baardimport android.webkit.CacheManager.CacheResult; 25eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard 26eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baardimport java.lang.reflect.Method; 27c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard 28c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baardpublic class HttpHeaderTest extends AndroidTestCase { 29c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard 30c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard static final String LAST_MODIFIED = "Last-Modified: Fri, 18 Jun 2010 09:56:47 GMT"; 31c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard static final String CACHE_CONTROL_MAX_AGE = "Cache-Control:max-age=15"; 32c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard static final String CACHE_CONTROL_PRIVATE = "Cache-Control: private"; 33eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard static final String CACHE_CONTROL_COMPOUND = "Cache-Control: no-cache, max-age=200000"; 34eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard static final String CACHE_CONTROL_COMPOUND2 = "Cache-Control: max-age=200000, no-cache"; 35c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard 36c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard /** 37c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * Tests that cache control header supports multiple instances of the header, 38c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * according to HTTP specification. 39c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * 40c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * The HTTP specification states the following about the fields: 41c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * Multiple message-header fields with the same field-name MAY be present 42c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * in a message if and only if the entire field-value for that header field 43c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * is defined as a comma-separated list [i.e., #(values)]. It MUST be 44c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * possible to combine the multiple header fields into one "field-name: 45c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * field-value" pair, without changing the semantics of the message, by 46c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * appending each subsequent field-value to the first, each separated by a 47c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * comma. The order in which header fields with the same field-name are 48c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * received is therefore significant to the interpretation of the combined 49c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * field value, and thus a proxy MUST NOT change the order of these field 50c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard * values when a message is forwarded. 51c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard */ 52c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard public void testCacheControl() throws Exception { 53c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard Headers h = new Headers(); 54c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard CharArrayBuffer buffer = new CharArrayBuffer(64); 55c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard 56c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard buffer.append(CACHE_CONTROL_MAX_AGE); 57c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard h.parseHeader(buffer); 58c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard 59c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard buffer.clear(); 60c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard buffer.append(LAST_MODIFIED); 61c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard h.parseHeader(buffer); 62c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard assertEquals("max-age=15", h.getCacheControl()); 63c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard 64c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard buffer.clear(); 65c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard buffer.append(CACHE_CONTROL_PRIVATE); 66c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard h.parseHeader(buffer); 67c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard assertEquals("max-age=15,private", h.getCacheControl()); 68c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard } 69eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard 70eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // Test that cache behaves correctly when receiving a compund 71eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // cache-control statement containing no-cache and max-age argument. 72eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // 73eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // If a cache control header contains both a max-age arument and 74eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // a no-cache argument the max-age argument should be ignored. 75eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // The resource can be cached, but a validity check must be done on 76eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // every request. Test case checks that the expiry time is 0 for 77eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // this item, so item will be validated on subsequent requests. 78eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard public void testCacheControlMultipleArguments() throws Exception { 79eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // get private method CacheManager.parseHeaders() 80eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard Method m = CacheManager.class.getDeclaredMethod("parseHeaders", 81eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard new Class[] {int.class, Headers.class, String.class}); 82eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard m.setAccessible(true); 83eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard 84eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // create indata 85eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard Headers h = new Headers(); 86eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard CharArrayBuffer buffer = new CharArrayBuffer(64); 87eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard buffer.append(CACHE_CONTROL_COMPOUND); 88eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard h.parseHeader(buffer); 89eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard 90eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard CacheResult c = (CacheResult)m.invoke(null, 200, h, "text/html"); 91eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard 92eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // Check that expires is set to 0, to ensure that no-cache has overridden 93eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // the max-age argument 94eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard assertEquals(0, c.getExpires()); 95eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard 96eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard // check reverse order 97eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard buffer.clear(); 98eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard buffer.append(CACHE_CONTROL_COMPOUND2); 99eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard h.parseHeader(buffer); 100eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard 101eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard c = (CacheResult)m.invoke(null, 200, h, "text/html"); 102eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard assertEquals(0, c.getExpires()); 103eb0ced7a094df2c73e052a066535f4359b11a92dHenrik Baard } 104c692e8c4da1c5e481ec8564839d47576e643f50cHenrik Baard} 105