src/ooxml/testcases/org/apache/poi/xdgf/extractor/TestXDGFVisioExtractor.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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package org.apache.poi.xdgf.extractor;

import static org.apache.poi.POITestCase.assertContains;
import static org.junit.jupiter.api.Assertions.assertEquals;

import java.io.IOException;
import java.io.InputStream;

import org.apache.poi.POIDataSamples;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xdgf.usermodel.XmlVisioDocument;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

class TestXDGFVisioExtractor {

    private static final POIDataSamples SAMPLES = POIDataSamples.getDiagramInstance();
    private OPCPackage pkg;
    private XmlVisioDocument xml;

    @BeforeEach
    void setUp() throws Exception {
        pkg = OPCPackage.open(SAMPLES.openResourceAsStream("test_text_extraction.vsdx"));
        xml = new XmlVisioDocument(pkg);
    }

    @AfterEach
    void closeResources() throws IOException {
        if(xml != null) {
            xml.close();
        }
        pkg.close();
    }

    @Test
    void testGetSimpleText() throws IOException {
        new XDGFVisioExtractor(xml).close();
        new XDGFVisioExtractor(pkg).close();

        XDGFVisioExtractor extractor = new XDGFVisioExtractor(xml);
        extractor.getText();

        String text = extractor.getText();
        String expected = "Text here\nText there\nText, text, everywhere!\nRouter here\n";
        assertEquals(expected, text);

        extractor.close();
    }


    //the point of this is to trigger the addition of
    //some common visio classes -- ConnectsType
    @Test
    void testVisioConnects() throws IOException {
        InputStream is = SAMPLES.openResourceAsStream("60489.vsdx");
        XmlVisioDocument document = new XmlVisioDocument(is);
        is.close();
        XDGFVisioExtractor extractor = new XDGFVisioExtractor(document);
        String text = extractor.getText();
        assertContains(text, "Arrears");
        extractor.close();
    }

    /**
     * Some confusion on PolylineTo vs PolyLineTo, both should be handled.
     * Previously failed with:
     * org.apache.poi.ooxml.POIXMLException: Invalid 'Row_Type' name 'PolylineTo'
     *  at org.apache.poi.xdgf.util.ObjectFactory.load
     *  at org.apache.poi.xdgf.usermodel.section.geometry.GeometryRowFactory.load
     */
    @Test
    void testPolylineTo() throws IOException {
        InputStream is = SAMPLES.openResourceAsStream("60973.vsdx");
        XmlVisioDocument document = new XmlVisioDocument(is);
        is.close();
        XDGFVisioExtractor extractor = new XDGFVisioExtractor(document);
        String text = extractor.getText();
        assertContains(text, "42 U");
        assertContains(text, "Access VLANS");
        extractor.close();
    }
}