/*
* 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.wicket.markup.html.form.upload;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.util.List;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.io.FileCleaningTracker;
import org.apache.wicket.WicketTestCase;
import org.apache.wicket.util.file.File;
import org.apache.wicket.util.file.FileCleaner;
import org.apache.wicket.util.file.FileCleanerTrackerAdapter;
import org.apache.wicket.util.file.IFileCleaner;
import org.apache.wicket.util.tester.FormTester;
import org.junit.Test;
/**
* Test of FileUpload
*
* @author Frank Bille (billen)
*/
public class FileUploadTest extends WicketTestCase
{
/**
* Test that when getting an input stream a new input stream is returned every time.
*
* Also test that the inputstream is saved internally for later closing.
*
* @throws Exception
*/
@Test
public void getInputStream() throws Exception
{
final IFileCleaner fileUploadCleaner = new FileCleaner();
DiskFileItemFactory itemFactory = new DiskFileItemFactory()
{
@Override
public FileCleaningTracker getFileCleaningTracker()
{
return new FileCleanerTrackerAdapter(fileUploadCleaner);
}
};
FileItem fileItem = itemFactory.createItem("dummyFieldName",
"text/java", false, "FileUploadTest.java");
// Initialize the upload
fileItem.getOutputStream();
// Get the internal list out
Field inputStreamsField = FileUpload.class.getDeclaredField("inputStreamsToClose");
inputStreamsField.setAccessible(true);
FileUpload fileUpload = new FileUpload(fileItem);
List<?> inputStreams = (List<?>)inputStreamsField.get(fileUpload);
assertNull(inputStreams);
InputStream is1 = fileUpload.getInputStream();
inputStreams = (List<?>)inputStreamsField.get(fileUpload);
assertEquals(1, inputStreams.size());
InputStream is2 = fileUpload.getInputStream();
inputStreams = (List<?>)inputStreamsField.get(fileUpload);
assertEquals(2, inputStreams.size());
assertNotSame(is1, is2);
// Ok lets close all the streams
try
{
fileUpload.closeStreams();
}
catch (Exception e)
{
fail();
}
inputStreams = (List<?>)inputStreamsField.get(fileUpload);
assertNull(inputStreams);
fileUploadCleaner.destroy();
}
/**
* @see <a href="https://issues.apache.org/jira/browse/WICKET-3715">WICKET-3715</a>
* @throws IOException
*/
@Test
public void writeToTempFile() throws IOException
{
tester.startPage(TestPage.class);
File tmp = null;
try
{
tmp = FileUploadFieldTest.writeTestFile(1);
FormTester formtester = tester.newFormTester("form");
formtester.setFile("upload", tmp, "text/plain");
formtester.submit();
TestPage page = (TestPage)tester.getLastRenderedPage();
assertNotNull(page.testFile);
}
finally
{
if (tmp != null && tmp.exists())
{
tmp.delete();
}
}
}
/** */
public static class TestPage extends MockPageWithFormAndUploadField
{
/** */
private static final long serialVersionUID = 1L;
java.io.File testFile;
@Override
protected void handleFormSubmit() throws Exception
{
super.handleFormSubmit();
testFile = getFileUpload().writeToTempFile();
}
}
}