testpoidocumentmain.java

来自「EXCEL read and write」· Java 代码 · 共 109 行

/* ====================================================================
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   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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   See the License for the specific language governing permissions and
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package org.apache.poi;


import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

import junit.framework.TestCase;

import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;

/**
 * Tests that POIDocument correctly loads and saves the common
 *  (hspf) Document Properties.
 * 
 * This is part 1 of 2 of the tests - it only does the POIDocuments
 *  which are part of the Main (not scratchpad)
 *
 * @author Nick Burch (nick at torchbox dot com)
 */
public final class TestPOIDocumentMain extends TestCase {
	// The POI Documents to work on
	private POIDocument doc;
	private POIDocument doc2;

	/**
	 * Set things up, two spreadsheets for our testing
	 */
	public void setUp() {
		
		doc = HSSFTestDataSamples.openSampleWorkbook("DateFormats.xls");
		doc2 = HSSFTestDataSamples.openSampleWorkbook("StringFormulas.xls");
	}
	
	public void testReadProperties() throws Exception {
		// We should have both sets
		assertNotNull(doc.getDocumentSummaryInformation());
		assertNotNull(doc.getSummaryInformation());
		
		// Check they are as expected for the test doc
		assertEquals("Administrator", doc.getSummaryInformation().getAuthor());
		assertEquals(0, doc.getDocumentSummaryInformation().getByteCount());
	}
		
	public void testReadProperties2() throws Exception {	
		// Check again on the word one
		assertNotNull(doc2.getDocumentSummaryInformation());
		assertNotNull(doc2.getSummaryInformation());
		
		assertEquals("Avik Sengupta", doc2.getSummaryInformation().getAuthor());
		assertEquals(null, doc2.getSummaryInformation().getKeywords());
		assertEquals(0, doc2.getDocumentSummaryInformation().getByteCount());
	}

	public void testWriteProperties() throws Exception {
		// Just check we can write them back out into a filesystem
		POIFSFileSystem outFS = new POIFSFileSystem();
		doc.readProperties();
		doc.writeProperties(outFS);
		
		// Should now hold them
		assertNotNull(
				outFS.createDocumentInputStream("\005SummaryInformation")
		);
		assertNotNull(
				outFS.createDocumentInputStream("\005DocumentSummaryInformation")
		);
	}

	public void testWriteReadProperties() throws Exception {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		
		// Write them out
		POIFSFileSystem outFS = new POIFSFileSystem();
		doc.readProperties();
		doc.writeProperties(outFS);
		outFS.writeFilesystem(baos);
		
		// Create a new version
		ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
		POIFSFileSystem inFS = new POIFSFileSystem(bais);
		
		// Check they're still there
		doc.filesystem = inFS;
		doc.readProperties();
		
		// Delegate test
		testReadProperties();
	}
}