log4j/src/scratchpad/testcases/org/apache/poi/hslf/TestPOIDocumentScratchpad.java

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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
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package org.apache.poi.hslf;


import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;

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

import org.apache.poi.POIDataSamples;
import org.apache.poi.POIDocument;
import org.apache.poi.hpsf.DocumentSummaryInformation;
import org.apache.poi.hpsf.HPSFPropertiesOnlyDocument;
import org.apache.poi.hpsf.SummaryInformation;
import org.apache.poi.hslf.usermodel.HSLFSlideShowImpl;
import org.apache.poi.hwpf.HWPFTestDataSamples;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

/**
 * Tests that POIDocument correctly loads and saves the common
 *  (hspf) Document Properties
 *
 * This is part 2 of 2 of the tests - it only does the POIDocuments
 *  which are part of the scratchpad (not main)
 */
public final class TestPOIDocumentScratchpad {
	// The POI Documents to work on
	private POIDocument doc;
	private POIDocument doc2;

	/**
	 * Set things up, using a PowerPoint document and
	 *  a Word Document for our testing
	 */
	@BeforeEach
    void setUp() throws IOException {
		doc = new HSLFSlideShowImpl(POIDataSamples.getSlideShowInstance().openResourceAsStream("basic_test_ppt_file.ppt"));
		doc2 = HWPFTestDataSamples.openSampleFile("test2.doc");
	}

	@Test
	void testReadProperties() {
	    testReadPropertiesHelper(doc);
	}

	private void testReadPropertiesHelper(POIDocument docPH) {
		// We should have both sets
		assertNotNull(docPH.getDocumentSummaryInformation());
		assertNotNull(docPH.getSummaryInformation());

		// Check they are as expected for the test doc
		assertEquals("Hogwarts", docPH.getSummaryInformation().getAuthor());
		assertEquals(10598, docPH.getDocumentSummaryInformation().getByteCount());
	}

	@Test
	void testReadProperties2() {
		// Check again on the word one
		assertNotNull(doc2.getDocumentSummaryInformation());
		assertNotNull(doc2.getSummaryInformation());

		assertEquals("Hogwarts", doc2.getSummaryInformation().getAuthor());
		assertEquals("", doc2.getSummaryInformation().getKeywords());
		assertEquals(0, doc2.getDocumentSummaryInformation().getByteCount());
	}

	@Test
	void testWriteProperties() throws IOException {
		// Just check we can write them back out into a filesystem
		POIFSFileSystem outFS = new POIFSFileSystem();
		doc.writeProperties(outFS);

		// Should now hold them
		assertNotNull(outFS.createDocumentInputStream(SummaryInformation.DEFAULT_STREAM_NAME));
		assertNotNull(outFS.createDocumentInputStream(DocumentSummaryInformation.DEFAULT_STREAM_NAME));
		outFS.close();
	}

	@Test
    void testWriteReadProperties() throws IOException {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();

    	// Write them out
    	POIFSFileSystem outFS = new POIFSFileSystem();
    	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
    	POIDocument ppt = new HPSFPropertiesOnlyDocument(inFS);
    	ppt.readProperties();

    	// Delegate test
    	testReadPropertiesHelper(ppt);

    	ppt.close();
    	inFS.close();
    }
}