testtextrun.java

java 读写word excel ppt

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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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   See the License for the specific language governing permissions and
   limitations under the License.
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package org.apache.poi.hslf.model;


import junit.framework.TestCase;

import org.apache.poi.hslf.HSLFSlideShow;
import org.apache.poi.hslf.model.textproperties.TextPropCollection;
import org.apache.poi.hslf.record.TextBytesAtom;
import org.apache.poi.hslf.record.TextCharsAtom;
import org.apache.poi.hslf.record.TextHeaderAtom;
import org.apache.poi.hslf.usermodel.RichTextRun;
import org.apache.poi.hslf.usermodel.SlideShow;

/**
 * Tests for TextRuns
 *
 * @author Nick Burch (nick at torchbox dot com)
 */
public class TestTextRun extends TestCase {
	// SlideShow primed on the test data
	private SlideShow ss;
	private SlideShow ssRich;
	private HSLFSlideShow hss;
	private HSLFSlideShow hssRich;

    protected void setUp() throws Exception {
		String dirname = System.getProperty("HSLF.testdata.path");
		
		// Basic (non rich) test file
		String filename = dirname + "/basic_test_ppt_file.ppt";
		hss = new HSLFSlideShow(filename);
		ss = new SlideShow(hss);
		
		// Rich test file
		filename = dirname + "/Single_Coloured_Page.ppt";
		hssRich = new HSLFSlideShow(filename);
		ssRich = new SlideShow(hssRich);
	}

    /**
     * Test to ensure that getting the text works correctly
     */
    public void testGetText() throws Exception {
		Slide slideOne = ss.getSlides()[0];
		TextRun[] textRuns = slideOne.getTextRuns();

		assertEquals(2, textRuns.length);
		
		// Get text works with \n
		assertEquals("This is a test title", textRuns[0].getText());
		assertEquals("This is a test subtitle\nThis is on page 1", textRuns[1].getText());
		
		// Raw text has \r instead
		assertEquals("This is a test title", textRuns[0].getRawText());
		assertEquals("This is a test subtitle\rThis is on page 1", textRuns[1].getRawText());
		
		
		// Now check on a rich text run
		Slide slideOneR = ssRich.getSlides()[0];
		TextRun[] textRunsR = slideOneR.getTextRuns();

		assertEquals(2, textRunsR.length);
		assertEquals("This is a title, it\u2019s in black", textRunsR[0].getText());
		assertEquals("This is the subtitle, in bold\nThis bit is blue and italic\nThis bit is red (normal)", textRunsR[1].getText());
		assertEquals("This is a title, it\u2019s in black", textRunsR[0].getRawText());
		assertEquals("This is the subtitle, in bold\rThis bit is blue and italic\rThis bit is red (normal)", textRunsR[1].getRawText());
    }
    
    /**
     * Test to ensure changing non rich text bytes->bytes works correctly
     */
    public void testSetText() throws Exception {
		Slide slideOne = ss.getSlides()[0];
		TextRun[] textRuns = slideOne.getTextRuns();
		TextRun run = textRuns[0];

		// Check current text
		assertEquals("This is a test title", run.getText());
		
		// Change
		String changeTo = "New test title";
		run.setText(changeTo);
		assertEquals(changeTo, run.getText());
		
		// Ensure trailing \n's get stripped
		run.setText(changeTo + "\n");
		assertEquals(changeTo, run.getText());
    }

    /**
     * Test to ensure that changing non rich text between bytes and
     *  chars works correctly
     */
    public void testAdvancedSetText() throws Exception {
		Slide slideOne = ss.getSlides()[0];
		TextRun run = slideOne.getTextRuns()[0];
		
		TextHeaderAtom tha = run._headerAtom;
		TextBytesAtom tba = run._byteAtom;
		TextCharsAtom tca = run._charAtom;

    	// Bytes -> Bytes
		assertNull(tca);
		assertNotNull(tba);
		assertFalse(run._isUnicode);
		assertEquals("This is a test title", run.getText());
		
		String changeBytesOnly = "New Test Title";
		run.setText(changeBytesOnly);
		tba = run._byteAtom;
		tca = run._charAtom;
		
		assertEquals(changeBytesOnly, run.getText());
		assertFalse(run._isUnicode);
		assertNull(tca);
		assertNotNull(tba);
		
    	// Bytes -> Chars
		assertNull(tca);
		assertNotNull(tba);
		assertFalse(run._isUnicode);
		assertEquals(changeBytesOnly, run.getText());
		
		String changeByteChar = "This is a test title with a '\u0121' g with a dot";
		run.setText(changeByteChar);
		tba = run._byteAtom;
		tca = run._charAtom;
		
		assertEquals(changeByteChar, run.getText());
		assertTrue(run._isUnicode);
		assertNotNull(tca);
		assertNull(tba);
		
    	// Chars -> Chars
		assertNull(tba);
		assertNotNull(tca);
		assertTrue(run._isUnicode);
		assertEquals(changeByteChar, run.getText());
		
		String changeCharChar = "This is a test title with a '\u0147' N with a hat";
		run.setText(changeCharChar);
		tba = run._byteAtom;
		tca = run._charAtom;
		
		assertEquals(changeCharChar, run.getText());
		assertTrue(run._isUnicode);
		assertNotNull(tca);
		assertNull(tba);
    }
    
    /**
     * Tests to ensure that non rich text has the right default rich text run
     *  set up for it
     */
    public void testGetRichTextNonRich() throws Exception {
		Slide slideOne = ss.getSlides()[0];
		TextRun[] textRuns = slideOne.getTextRuns();

		assertEquals(2, textRuns.length);

		TextRun trA = textRuns[0];
		TextRun trB = textRuns[1];
		
		assertEquals(1, trA.getRichTextRuns().length);
		assertEquals(1, trB.getRichTextRuns().length);
		
		RichTextRun rtrA = trA.getRichTextRuns()[0];
		RichTextRun rtrB = trB.getRichTextRuns()[0];
		
		assertEquals(trA.getText(), rtrA.getText());
		assertEquals(trB.getText(), rtrB.getText());
		
		assertNull(rtrA._getRawCharacterStyle());
		assertNull(rtrA._getRawParagraphStyle());
		assertNull(rtrB._getRawCharacterStyle());
		assertNull(rtrB._getRawParagraphStyle());
    }
    
    /**
     * Tests to ensure that the rich text runs are built up correctly
     */
    public void testGetRichText() throws Exception {
		Slide slideOne = ssRich.getSlides()[0];
		TextRun[] textRuns = slideOne.getTextRuns();

		assertEquals(2, textRuns.length);

		TextRun trA = textRuns[0];
		TextRun trB = textRuns[1];
		
		assertEquals(1, trA.getRichTextRuns().length);
		assertEquals(3, trB.getRichTextRuns().length);
		
		RichTextRun rtrA = trA.getRichTextRuns()[0];
		RichTextRun rtrB = trB.getRichTextRuns()[0];
		RichTextRun rtrC = trB.getRichTextRuns()[1];
		RichTextRun rtrD = trB.getRichTextRuns()[2];
		
		assertEquals(trA.getText(), rtrA.getText());
		
		assertEquals(trB.getText().substring(0, 30), rtrB.getText());
		assertEquals(trB.getText().substring(30,58), rtrC.getText());
		assertEquals(trB.getText().substring(58,82), rtrD.getText());
		
		assertNull(rtrA._getRawCharacterStyle());