poi/poi-ooxml/src/test/java/org/apache/poi/xwpf/usermodel/TestXWPFStyles.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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   distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.poi.xwpf.usermodel;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.poi.xwpf.XWPFTestDataSamples;
import org.junit.jupiter.api.Test;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTFonts;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTLatentStyles;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTLsdException;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTStyle;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTStyles;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.STStyleType;

public final class TestXWPFStyles {
    @Test
    void testGetUsedStyles() throws IOException {
        try (XWPFDocument sampleDoc = XWPFTestDataSamples.openSampleDocument("Styles.docx")) {
            List<XWPFStyle> testUsedStyleList = new ArrayList<>();
            XWPFStyles styles = sampleDoc.getStyles();
            XWPFStyle style = styles.getStyle("berschrift1");
            testUsedStyleList.add(style);
            testUsedStyleList.add(styles.getStyle("Standard"));
            testUsedStyleList.add(styles.getStyle("berschrift1Zchn"));
            testUsedStyleList.add(styles.getStyle("Absatz-Standardschriftart"));
            style.hasSameName(style);

            List<XWPFStyle> usedStyleList = styles.getUsedStyleList(style);
            assertEquals(usedStyleList, testUsedStyleList);
        }
    }

    @Test
    void testAddStylesToDocument() throws IOException {
        try (XWPFDocument docOut = new XWPFDocument()) {
            XWPFStyles styles = docOut.createStyles();

            String strStyleId = "headline1";
            CTStyle ctStyle = CTStyle.Factory.newInstance();

            ctStyle.setStyleId(strStyleId);
            XWPFStyle s = new XWPFStyle(ctStyle);
            styles.addStyle(s);

            assertTrue(styles.styleExist(strStyleId));

            XWPFDocument docIn = XWPFTestDataSamples.writeOutAndReadBack(docOut);

            styles = docIn.getStyles();
            assertTrue(styles.styleExist(strStyleId));
        }
    }

    /**
     * Bug #52449 - We should be able to write a file containing
     * both regular and glossary styles without error
     */
    @Test
    void test52449() throws Exception {
        try (XWPFDocument doc = XWPFTestDataSamples.openSampleDocument("52449.docx")) {
            XWPFStyles styles = doc.getStyles();
            assertNotNull(styles);

            XWPFDocument docIn = XWPFTestDataSamples.writeOutAndReadBack(doc);
            styles = docIn.getStyles();
            assertNotNull(styles);
        }
    }


    /**
     * YK: tests below don't make much sense,
     * they exist only to copy xml beans to pi-ooxml-lite.jar
     */
    @Test
    void testLanguages() throws IOException {
        try (XWPFDocument docOut = new XWPFDocument()) {
            XWPFStyles styles = docOut.createStyles();
            styles.setEastAsia("Chinese");
            styles.setSpellingLanguage("English");

            CTFonts def = CTFonts.Factory.newInstance();
            styles.setDefaultFonts(def);

            assertEquals(1, styles.getDefaultRunStyle().getRPr().sizeOfRFontsArray());
        }
    }

    @Test
    void testType() {
        CTStyle ctStyle = CTStyle.Factory.newInstance();
        XWPFStyle style = new XWPFStyle(ctStyle);

        style.setType(STStyleType.PARAGRAPH);
        assertEquals(STStyleType.PARAGRAPH, style.getType());
    }

    @Test
    void testLatentStyles() {
        CTLatentStyles latentStyles = CTLatentStyles.Factory.newInstance();
        CTLsdException ex = latentStyles.addNewLsdException();
        ex.setName("ex1");
        XWPFLatentStyles ls = new XWPFLatentStyles(latentStyles);
        assertTrue(ls.isLatentStyle("ex1"));
        assertFalse(ls.isLatentStyle("notex1"));
    }

    @Test
    void testSetStyles_Bug57254() throws IOException {
        try (XWPFDocument docOut = new XWPFDocument()) {
            XWPFStyles styles = docOut.createStyles();

            CTStyles ctStyles = CTStyles.Factory.newInstance();
            String strStyleId = "headline1";
            CTStyle ctStyle = ctStyles.addNewStyle();

            ctStyle.setStyleId(strStyleId);
            styles.setStyles(ctStyles);

            assertTrue(styles.styleExist(strStyleId));

            XWPFDocument docIn = XWPFTestDataSamples.writeOutAndReadBack(docOut);

            styles = docIn.getStyles();
            assertTrue(styles.styleExist(strStyleId));
        }
    }

    @Test
    void testEasyAccessToStyles() throws IOException {
        try (XWPFDocument doc = XWPFTestDataSamples.openSampleDocument("SampleDoc.docx")) {
            XWPFStyles styles = doc.getStyles();
            assertNotNull(styles);

            // Has 3 paragraphs on page one, a break, and 3 on page 2
            assertEquals(7, doc.getParagraphs().size());

            // Check the first three have no run styles, just default paragraph style
            for (int i = 0; i < 3; i++) {
                XWPFParagraph p = doc.getParagraphs().get(i);
                assertNull(p.getStyle());
                assertNull(p.getStyleID());
                assertEquals(1, p.getRuns().size());

                XWPFRun r = p.getRuns().get(0);
                assertNull(r.getColor());
                assertNull(r.getFontFamily());
                assertNull(r.getFontName());
                assertNull(r.getFontSizeAsDouble());
            }

            // On page two, has explicit styles, but on runs not on
            //  the paragraph itself
            for (int i = 4; i < 7; i++) {
                XWPFParagraph p = doc.getParagraphs().get(i);
                assertNull(p.getStyle());
                assertNull(p.getStyleID());
                assertEquals(1, p.getRuns().size());

                XWPFRun r = p.getRuns().get(0);
                assertEquals("Arial Black", r.getFontFamily());
                assertEquals("Arial Black", r.getFontName());
                assertEquals(16.0, r.getFontSizeAsDouble(), 0.01);
                assertEquals("548DD4", r.getColor());
            }

            // Check the document styles
            // Should have a style defined for each type
            assertEquals(4, styles.getNumberOfStyles());
            assertNotNull(styles.getStyle("Normal"));
            assertNotNull(styles.getStyle("DefaultParagraphFont"));
            assertNotNull(styles.getStyle("TableNormal"));
            assertNotNull(styles.getStyle("NoList"));

            // We can't do much yet with latent styles
            assertEquals(137, styles.getLatentStyles().getNumberOfStyles());

            // Check the default styles
            assertNotNull(styles.getDefaultRunStyle());
            assertNotNull(styles.getDefaultParagraphStyle());

            assertEquals(11.0, styles.getDefaultRunStyle().getFontSizeAsDouble(), 0.01);
            assertEquals(11.0, styles.getDefaultRunStyle().getFontSizeAsDouble(), 0.01);
            assertEquals(200, styles.getDefaultParagraphStyle().getSpacingAfter());
        }
    }

    // Bug 60329: style with missing StyleID throws NPE
    @Test
    void testMissingStyleId() throws IOException {
        try (XWPFDocument doc = XWPFTestDataSamples.openSampleDocument("60329.docx")) {
            XWPFStyles styles = doc.getStyles();
            // Styles exist in the test document in this order, EmptyCellLayoutStyle
            // is missing a StyleId
            assertNotNull(styles.getStyle("NoList"));
            assertNull(styles.getStyle("EmptyCellLayoutStyle"));
            assertNotNull(styles.getStyle("BalloonText"));

            // Bug 64600: styleExist throws NPE
            assertTrue(styles.styleExist("NoList"));
            assertFalse(styles.styleExist("EmptyCellLayoutStyle"));
            assertTrue(styles.styleExist("BalloonText"));
        }
    }

    @Test
    void testGetStyleByName() throws IOException {
        try (XWPFDocument doc = XWPFTestDataSamples.openSampleDocument("SampleDoc.docx")) {
            XWPFStyles styles = doc.getStyles();
            assertNotNull(styles);

            String styleName = "Normal Table";
            XWPFStyle style = styles.getStyleWithName(styleName);
            assertNotNull(style, "Expected to find style \"" + styleName + "\"");
            assertEquals(styleName, style.getName());
        }
    }

}