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    1   /*
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  package org.apache.commons.fileupload;
    18
    19  import static org.junit.Assert.assertEquals;
    20  import static org.junit.Assert.assertTrue;
    21  import static org.junit.Assert.fail;
    22
    23  import java.io.ByteArrayOutputStream;
    24  import java.io.IOException;
    25  import java.io.InputStream;
    26
    27  import org.apache.commons.fileupload.servlet.ServletFileUpload;
    28  import org.junit.Test;
    29
    30  /**
    31   * Tests the {@link ProgressListener}.
    32   */
    33  public class ProgressListenerTest {
    34
    35      private class ProgressListenerImpl implements ProgressListener {
    36
    37          private final long expectedContentLength;
    38
    39          private final int expectedItems;
    40
    41          private Long bytesRead;
    42
    43          private Integer items;
    44
    45          ProgressListenerImpl(long pContentLength, int pItems) {
    46              expectedContentLength = pContentLength;
    47              expectedItems = pItems;
    48          }
    49
    50          public void update(long pBytesRead, long pContentLength, int pItems) {
    51              assertTrue(pBytesRead >= 0  &&  pBytesRead <= expectedContentLength);
    52              assertTrue(pContentLength == -1  ||  pContentLength == expectedContentLength);
    53              assertTrue(pItems >= 0  &&  pItems <= expectedItems);
    54
    55              assertTrue(bytesRead == null  ||  pBytesRead >= bytesRead.longValue());
    56              bytesRead = new Long(pBytesRead);
    57              assertTrue(items == null  ||  pItems >= items.intValue());
    58              items = new Integer(pItems);
    59          }
    60
    61          void checkFinished(){
    62              assertEquals(expectedContentLength, bytesRead.longValue());
    63              assertEquals(expectedItems, items.intValue());
    64          }
    65
    66      }
    67
    68      /**
    69       * Parse a very long file upload by using a progress listener.
    70       */
    71      @Test
    72      public void testProgressListener() throws Exception {
    73          final int NUM_ITEMS = 512;
    74          ByteArrayOutputStream baos = new ByteArrayOutputStream();
    75          for (int i = 0;  i < NUM_ITEMS;  i++) {
    76              String header = "-----1234\r\n"
    77                  + "Content-Disposition: form-data; name=\"field" + (i+1) + "\"\r\n"
    78                  + "\r\n";
    79              baos.write(header.getBytes("US-ASCII"));
    80              for (int j = 0;  j < 16384+i;  j++) {
    81                  baos.write((byte) j);
    82              }
    83              baos.write("\r\n".getBytes("US-ASCII"));
    84          }
    85          baos.write("-----1234--\r\n".getBytes("US-ASCII"));
    86          byte[] contents = baos.toByteArray();
    87
    88          MockHttpServletRequest request = new MockHttpServletRequest(contents, Constants.CONTENT_TYPE);
    89          runTest(NUM_ITEMS, contents.length, request);
    90          request = new MockHttpServletRequest(contents, Constants.CONTENT_TYPE){
    91              @Override
    92              public int getContentLength() {
    93                  return -1;
    94              }
    95          };
    96          runTest(NUM_ITEMS, contents.length, request);
    97      }
    98
    99      private void runTest(final int NUM_ITEMS, long pContentLength, MockHttpServletRequest request) throws FileUploadException, IOException {
    100         ServletFileUpload upload = new ServletFileUpload();
    101         ProgressListenerImpl listener = new ProgressListenerImpl(pContentLength, NUM_ITEMS);
    102         upload.setProgressListener(listener);
    103         FileItemIterator iter = upload.getItemIterator(request);
    104         for (int i = 0;  i < NUM_ITEMS;  i++) {
    105             FileItemStream stream = iter.next();
    106             InputStream istream = stream.openStream();
    107             for (int j = 0;  j < 16384+i;  j++) {
    108                 /**
    109                  * This used to be
    110                  *     assertEquals((byte) j, (byte) istream.read());
    111                  * but this seems to trigger a bug in JRockit, so
    112                  * we express the same like this:
    113                  */
    114                 byte b1 = (byte) j;
    115                 byte b2 = (byte) istream.read();
    116                 if (b1 != b2) {
    117                     fail("Expected " + b1 + ", got " + b2);
    118                 }
    119             }
    120             assertEquals(-1, istream.read());
    121             istream.close();
    122         }
    123         assertTrue(!iter.hasNext());
    124         listener.checkFinished();
    125     }
    126
    127 }