poi/src/scratchpad/testcases/org/apache/poi/hslf/model/TestTextShape.java

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package org.apache.poi.hslf.model;

import junit.framework.TestCase;

import java.io.*;
import java.util.ArrayList;

import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.hslf.record.TextHeaderAtom;

/**
 * Verify behavior of <code>TextShape</code> and its sub-classes
 * 
 * @author Yegor Kozlov
 */
public class TestTextShape extends TestCase {
    protected String cwd = System.getProperty("HSLF.testdata.path");

    public void testCreateAutoShape(){
        TextShape shape = new AutoShape(ShapeTypes.Trapezoid);
        assertNull(shape.getTextRun());
        assertNull(shape.getText());
        assertNull(shape.getEscherTextboxWrapper());

        TextRun run = shape.createTextRun();
        assertNotNull(run);
        assertNotNull(shape.getTextRun());
        assertNotNull(shape.getEscherTextboxWrapper());
        assertEquals("", shape.getText());
        assertSame(run, shape.createTextRun());

    }

    public void testCreateTextBox(){
        TextShape shape = new TextBox();
        TextRun run = shape.getTextRun();
        assertNotNull(run);
        assertNotNull(shape.getText());
        assertNotNull(shape.getEscherTextboxWrapper());

        assertSame(run, shape.createTextRun());
        assertNotNull(shape.getTextRun());
        assertNotNull(shape.getEscherTextboxWrapper());
        assertEquals("", shape.getText());

    }

    /**
     * Verify we can get text from TextShape in the following cases:
     *  - placeholders
     *  - normal TextBox object
     *  - text in auto-shapes
     */
    public void testRead() throws IOException {
        FileInputStream is = new FileInputStream(new File(cwd, "text_shapes.ppt"));
        SlideShow ppt = new SlideShow(is);
        is.close();

        ArrayList lst1 = new ArrayList();
        Slide slide = ppt.getSlides()[0];
        Shape[] shape = slide.getShapes();
        for (int i = 0; i < shape.length; i++) {
            assertTrue("Expected TextShape but found " + shape[i].getClass().getName(), shape[i] instanceof TextShape);
            TextShape tx = (TextShape)shape[i];
            TextRun run = tx.getTextRun();
            assertNotNull(run);
            int runType = run.getRunType();

            int type = shape[i].getShapeType();
            switch (type){
                case ShapeTypes.TextBox:
                    assertEquals("Text in a TextBox", run.getText());
                    break;
                case ShapeTypes.Rectangle:
                    if(runType == TextHeaderAtom.OTHER_TYPE)
                        assertEquals("Rectangle", run.getText());
                    else if(runType == TextHeaderAtom.TITLE_TYPE)
                        assertEquals("Title Placeholder", run.getText());
                    break;
                case ShapeTypes.Octagon:
                    assertEquals("Octagon", run.getText());
                    break;
                case ShapeTypes.Ellipse:
                    assertEquals("Ellipse", run.getText());
                    break;
                case ShapeTypes.RoundRectangle:
                    assertEquals("RoundRectangle", run.getText());
                    break;
                default:
                    fail("Unexpected shape: " + shape[i].getShapeName());

            }
            lst1.add(run.getText());
        }

        ArrayList lst2 = new ArrayList();
        TextRun[] run = slide.getTextRuns();
        for (int i = 0; i < run.length; i++) {
            lst2.add(run[i].getText());
        }

        assertTrue(lst1.containsAll(lst2));
    }

    public void testReadWrite() throws IOException {
        SlideShow ppt = new SlideShow();
        Slide slide =  ppt.createSlide();

        TextShape shape1 = new TextBox();
        TextRun run1 = shape1.createTextRun();
        run1.setText("Hello, World!");
        slide.addShape(shape1);

        shape1.moveTo(100, 100);

        TextShape shape2 = new AutoShape(ShapeTypes.Arrow);
        TextRun run2 = shape2.createTextRun();
        run2.setText("Testing TextShape");
        slide.addShape(shape2);
        shape2.moveTo(300, 300);

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ppt.write(out);
        out.close();

        ppt = new SlideShow(new ByteArrayInputStream(out.toByteArray()));
        slide = ppt.getSlides()[0];
        Shape[] shape = slide.getShapes();

        assertTrue(shape[0] instanceof TextShape);
        shape1 = (TextShape)shape[0];
        assertEquals(ShapeTypes.TextBox, shape1.getShapeType());
        assertEquals("Hello, World!", shape1.getTextRun().getText());

        assertTrue(shape[1] instanceof TextShape);
        shape1 = (TextShape)shape[1];
        assertEquals(ShapeTypes.Arrow, shape1.getShapeType());
        assertEquals("Testing TextShape", shape1.getTextRun().getText());
    }

}