org.eclipse.rap.addons.fileupload.test.CommonsFileUpload_Test.java Source code

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Here is the source code for org.eclipse.rap.addons.fileupload.test.CommonsFileUpload_Test.java

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/*******************************************************************************
 * Copyright (c) 2011, 2014 EclipseSource and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    EclipseSource - initial API and implementation
 ******************************************************************************/
package org.eclipse.rap.addons.fileupload.test;

import static org.eclipse.rap.addons.fileupload.test.FileUploadTestUtil.createFakeUploadRequest;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import java.io.File;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

/*
 * Tests to understand and verify how commons.fileupload works
 */
public class CommonsFileUpload_Test {

    private File tempDirectory;

    @Before
    public void setUp() {
        tempDirectory = FileUploadTestUtil.createTempDirectory();
    }

    @After
    public void tearDown() {
        FileUploadTestUtil.deleteRecursively(tempDirectory);
    }

    @Test
    public void testUploadEmptyFileWithZeroThreshold() throws FileUploadException {
        FileItemFactory factory = new DiskFileItemFactory(0, tempDirectory);
        ServletFileUpload upload = new ServletFileUpload(factory);
        HttpServletRequest request = createFakeUploadRequest("", "text/empty", "empty.txt");

        List items = upload.parseRequest(request);

        assertEquals(1, items.size());
        DiskFileItem fileItem = (DiskFileItem) items.get(0);
        assertEquals("empty.txt", fileItem.getName());
        assertEquals("text/empty", fileItem.getContentType());
        assertEquals(0L, fileItem.getSize());
        // Content and threshold is zero, empty file is not written
        assertFalse(fileItem.getStoreLocation().exists());
    }

    @Test
    public void testUploadSmallerThanThreshold() throws FileUploadException {
        FileItemFactory factory = new DiskFileItemFactory(100, tempDirectory);
        ServletFileUpload upload = new ServletFileUpload(factory);
        HttpServletRequest request = createFakeUploadRequest("Hello World!\n", "text/plain", "hello.txt");

        List items = upload.parseRequest(request);

        assertEquals(1, items.size());
        DiskFileItem fileItem = (DiskFileItem) items.get(0);
        assertEquals("hello.txt", fileItem.getName());
        assertEquals("text/plain", fileItem.getContentType());
        assertEquals("Hello World!\n", fileItem.getString());
        // Content is smaller than threshold, therefore file is not written
        assertFalse(fileItem.getStoreLocation().exists());
    }

    @Test
    public void testUploadLongFile() throws FileUploadException {
        FileItemFactory factory = new DiskFileItemFactory(100, tempDirectory);
        ServletFileUpload upload = new ServletFileUpload(factory);
        StringBuffer content = new StringBuffer(600);
        for (int i = 0; i < 100; i++) {
            content.append("Hello\n");
        }
        HttpServletRequest request = createFakeUploadRequest(content.toString(), "text/plain", "long.txt");

        List items = upload.parseRequest(request);
        DiskFileItem fileItem = (DiskFileItem) items.get(0);

        assertEquals("long.txt", fileItem.getName());
        assertEquals("text/plain", fileItem.getContentType());
        assertEquals(600, fileItem.getSize());
        assertTrue(fileItem.getStoreLocation().exists());
    }

}