poi/poi-integration/src/test/java/org/apache/poi/stress/XSLFFileHandler.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
   (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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package org.apache.poi.stress;

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

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;

import org.apache.poi.extractor.ExtractorFactory;
import org.apache.poi.ooxml.POIXMLException;
import org.apache.poi.sl.extractor.SlideShowExtractor;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFSlideShow;
import org.junit.jupiter.api.Test;

class XSLFFileHandler extends SlideShowHandler {
    @Override
    public void handleFile(InputStream stream, String path) throws Exception {
        try (XMLSlideShow slide = new XMLSlideShow(stream);
             XSLFSlideShow slideInner = new XSLFSlideShow(slide.getPackage())) {
            ;
            assertNotNull(slideInner.getPresentation());
            assertNotNull(slideInner.getSlideMasterReferences());
            assertNotNull(slideInner.getSlideReferences());

            new POIXMLDocumentHandler().handlePOIXMLDocument(slide);
            POIXMLDocumentHandler.cursorRecursive(slide.getCTPresentation());

            handleSlideShow(slide);
        } catch (POIXMLException e) {
            Exception cause = (Exception)e.getCause();
            throw cause == null ? e : cause;
        }
    }

    @Override
    public void handleExtracting(File file) throws Exception {
        super.handleExtracting(file);


        // additionally try the other getText() methods
        try (SlideShowExtractor<?,?> extractor = (SlideShowExtractor<?, ?>) ExtractorFactory.createExtractor(file)) {
            assertNotNull(extractor);
            extractor.setSlidesByDefault(true);
            extractor.setNotesByDefault(true);
            extractor.setMasterByDefault(true);

            assertNotNull(extractor.getText());

            extractor.setSlidesByDefault(false);
            extractor.setNotesByDefault(false);
            extractor.setMasterByDefault(false);

            assertEquals("", extractor.getText(), "With all options disabled we should not get text");
        }
    }

    // a test-case to test this locally without executing the full TestAllFiles
    @Override
    @Test
    void test() throws Exception {
        File file = new File("test-data/slideshow/ca.ubc.cs.people_~emhill_presentations_HowWeRefactor.pptx");
        try (InputStream stream = new FileInputStream(file)) {
            handleFile(stream, file.getPath());
        }

        handleExtracting(file);
    }
}