src/ooxml/testcases/org/apache/poi/TestEmbeded.java

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   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
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       http://www.apache.org/licenses/LICENSE-2.0

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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
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package org.apache.poi;

import org.apache.poi.util.IOUtils;
import org.apache.poi.xslf.usermodel.XSLFSlideShow;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackagePart;

import junit.framework.TestCase;

/**
 * Class to test that we handle embeded bits in
 *  OOXML files properly
 */
public class TestEmbeded extends TestCase
{
	public void testExcel() throws Exception {
		POIXMLDocument doc = new XSSFWorkbook(
                POIDataSamples.getSpreadSheetInstance().openResourceAsStream("ExcelWithAttachments.xlsm")
        );
		test(doc, 4);
	}

	public void testWord() throws Exception {
		POIXMLDocument doc = new XWPFDocument(
                POIDataSamples.getDocumentInstance().openResourceAsStream("WordWithAttachments.docx")
        );
		test(doc, 5);
	}

	public void testPowerPoint() throws Exception {
		POIXMLDocument doc = new XSLFSlideShow(OPCPackage.open(
                POIDataSamples.getSlideShowInstance().openResourceAsStream("PPTWithAttachments.pptm"))
        );
		test(doc, 4);
	}
	
	private void test(POIXMLDocument doc, int expectedCount) throws Exception {
		assertNotNull(doc.getAllEmbedds());
		assertEquals(expectedCount, doc.getAllEmbedds().size());

		for(int i=0; i<doc.getAllEmbedds().size(); i++) {
			PackagePart pp = doc.getAllEmbedds().get(i);
			assertNotNull(pp);
			
			byte[] b = IOUtils.toByteArray(pp.getInputStream());
			assertTrue(b.length > 0);
		}
	}
}