poi/src/ooxml/testcases/org/apache/poi/xssf/extractor/TestXSSFBEventBasedExcelExtractor.java

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package org.apache.poi.xssf.extractor;

import static org.apache.poi.POITestCase.assertContains;
import static org.apache.poi.POITestCase.assertStartsWith;
import static org.apache.poi.POITestCase.assertEndsWith;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import org.apache.poi.xssf.XSSFTestDataSamples;
import org.junit.Test;

import java.io.BufferedReader;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;

/**
 * Tests for {@link XSSFBEventBasedExcelExtractor}
 */
public class TestXSSFBEventBasedExcelExtractor {


    protected XSSFEventBasedExcelExtractor getExtractor(String sampleName) throws Exception {
        return new XSSFBEventBasedExcelExtractor(XSSFTestDataSamples.
                openSamplePackage(sampleName));
    }

    /**
     * Get text out of the simple file
     */
    @Test
    public void testGetSimpleText() throws Exception {
        // a very simple file
        XSSFEventBasedExcelExtractor extractor = getExtractor("sample.xlsb");
        extractor.setIncludeCellComments(true);
        extractor.getText();

        String text = extractor.getText();
        assertTrue(text.length() > 0);

        // Check sheet names
        assertStartsWith(text, "Sheet1");
        assertEndsWith(text, "Sheet3\n");

        // Now without, will have text
        extractor.setIncludeSheetNames(false);
        text = extractor.getText();
        String CHUNK1 =
                "Lorem\t111\n" +
                        "ipsum\t222\n" +
                        "dolor\t333\n" +
                        "sit\t444\n" +
                        "amet\t555\n" +
                        "consectetuer\t666\n" +
                        "adipiscing\t777\n" +
                        "elit\t888\n" +
                        "Nunc\t999\n";
        String CHUNK2 =
                "The quick brown fox jumps over the lazy dog\n" +
                        "hello, xssf	hello, xssf\n" +
                        "hello, xssf	hello, xssf\n" +
                        "hello, xssf	hello, xssf\n" +
                        "hello, xssf	hello, xssf\n";
        assertEquals(
                CHUNK1 +
                        "at\t4995\n" +
                        CHUNK2
                , text);

    }


    /**
     * Test text extraction from text box using getShapes()
     *
     * @throws Exception
     */
    @Test
    public void testShapes() throws Exception {
        XSSFEventBasedExcelExtractor ooxmlExtractor = getExtractor("WithTextBox.xlsb");

        try {
            String text = ooxmlExtractor.getText();
            assertContains(text, "Line 1");
            assertContains(text, "Line 2");
            assertContains(text, "Line 3");
        } finally {
            ooxmlExtractor.close();
        }
    }

    @Test
    public void testBeta() throws Exception {
        XSSFEventBasedExcelExtractor extractor = getExtractor("Simple.xlsb");
        extractor.setIncludeCellComments(true);
        String text = extractor.getText();
        assertContains(text,
                "This is an example spreadsheet created with Microsoft Excel 2007 Beta 2.");
    }

    @Test
    public void test62815() throws Exception {
        //test file based on http://oss.sheetjs.com/test_files/RkNumber.xlsb
        XSSFEventBasedExcelExtractor extractor = getExtractor("62815.xlsb");
        extractor.setIncludeCellComments(true);
        String[] rows = extractor.getText().split("[\r\n]+");
        assertEquals(283, rows.length);
        BufferedReader reader = Files.newBufferedReader(XSSFTestDataSamples.getSampleFile("62815.xlsb.txt").toPath(),
                StandardCharsets.UTF_8);
        String line = reader.readLine();
        for (int i = 0; i < rows.length; i++) {
            assertEquals(line, rows[i]);
            line = reader.readLine();
            while (line != null && line.startsWith("#")) {
                line = reader.readLine();
            }
        }
    }

}