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

import static org.apache.poi.POITestCase.assertContains;
import static org.apache.poi.POITestCase.assertEndsWith;
import static org.apache.poi.POITestCase.assertNotContained;
import static org.apache.poi.POITestCase.assertStartsWith;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.poi.extractor.POITextExtractor;
import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.hssf.extractor.ExcelExtractor;
import org.apache.poi.xssf.XSSFTestDataSamples;
import org.junit.jupiter.api.Test;

/**
 * Tests for {@link XSSFExcelExtractor}
 */
class TestXSSFExcelExtractor {
    protected XSSFExcelExtractor getExtractor(String sampleName) {
        return new XSSFExcelExtractor(XSSFTestDataSamples.openSampleWorkbook(sampleName));
    }

    /**
     * Get text out of the simple file
     */
    @Test
    void testGetSimpleText() throws IOException {
        // a very simple file
        XSSFExcelExtractor extractor = getExtractor("sample.xlsx");

        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\thello, xssf\n" +
            "hello, xssf\thello, xssf\n" +
            "hello, xssf\thello, xssf\n" +
            "hello, xssf\thello, xssf\n";
        assertEquals(
                CHUNK1 +
                "at\t4995\n" +
                CHUNK2
                , text);

        // Now get formulas not their values
        extractor.setFormulasNotResults(true);
        text = extractor.getText();
        assertEquals(
                CHUNK1 +
                "at\tSUM(B1:B9)\n" +
                CHUNK2, text);

        // With sheet names too
        extractor.setIncludeSheetNames(true);
        text = extractor.getText();
        assertEquals(
                "Sheet1\n" +
                CHUNK1 +
                "at\tSUM(B1:B9)\n" +
                "rich test\n" +
                CHUNK2 +
                "Sheet3\n"
                , text);

        extractor.close();
    }

    @Test
    void testGetComplexText() throws IOException {
        // A fairly complex file
        XSSFExcelExtractor extractor = getExtractor("AverageTaxRates.xlsx");

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

        // Might not have all formatting it should do!
        assertStartsWith(text,
                        "Avgtxfull\n" +
                        "\t(iii) AVERAGE TAX RATES ON ANNUAL"
        );

        extractor.close();
    }

    /**
     * Test that we return pretty much the same as
     *  ExcelExtractor does, when we're both passed
     *  the same file, just saved as xls and xlsx
     */
    @Test
    void testComparedToOLE2() throws IOException {
        // A fairly simple file - ooxml
        XSSFExcelExtractor ooxmlExtractor = getExtractor("SampleSS.xlsx");

        ExcelExtractor ole2Extractor =
            new ExcelExtractor(HSSFTestDataSamples.openSampleWorkbook("SampleSS.xls"));

        Map<String, POITextExtractor> extractors = new HashMap<>();
        extractors.put("SampleSS.xlsx", ooxmlExtractor);
        extractors.put("SampleSS.xls", ole2Extractor);

        for (final Entry<String, POITextExtractor> e : extractors.entrySet()) {
            String filename = e.getKey();
            POITextExtractor extractor = e.getValue();
            String text = extractor.getText().replaceAll("[\r\t]", "");
            assertStartsWith(filename, text, "First Sheet\nTest spreadsheet\n2nd row2nd row 2nd column\n");
            Pattern pattern = Pattern.compile(".*13(\\.0+)?\\s+Sheet3.*", Pattern.DOTALL);
            Matcher m = pattern.matcher(text);
            assertTrue(m.matches(), filename);
        }

        ole2Extractor.close();
        ooxmlExtractor.close();
    }

    /**
     * From bug #45540
     */
    @Test
    void testHeaderFooter() throws IOException {
        String[] files = new String[] {
            "45540_classic_Header.xlsx", "45540_form_Header.xlsx",
            "45540_classic_Footer.xlsx", "45540_form_Footer.xlsx",
        };
        for(String sampleName : files) {
            XSSFExcelExtractor extractor = getExtractor(sampleName);
            String text = extractor.getText();

            assertContains(sampleName, text, "testdoc");
            assertContains(sampleName, text, "test phrase");

            extractor.close();
        }
    }

    /**
     * From bug #45544
     */
    @Test
    void testComments() throws IOException {
        XSSFExcelExtractor extractor = getExtractor("45544.xlsx");
        String text = extractor.getText();

        // No comments there yet
        assertNotContained(text, "testdoc");
        assertNotContained(text, "test phrase");

        // Turn on comment extraction, will then be
        extractor.setIncludeCellComments(true);
        text = extractor.getText();
        assertContains(text, "testdoc");
        assertContains(text, "test phrase");

        extractor.close();
    }

    @Test
    void testInlineStrings() throws IOException {
      XSSFExcelExtractor extractor = getExtractor("InlineStrings.xlsx");
      extractor.setFormulasNotResults(true);
      String text = extractor.getText();

      // Numbers
      assertContains(text, "43");
      assertContains(text, "22");

      // Strings
      assertContains(text, "ABCDE");
      assertContains(text, "Long Text");

      // Inline Strings
      assertContains(text, "1st Inline String");
      assertContains(text, "And More");

      // Formulas
      assertContains(text, "A2");
      assertContains(text, "A5-A$2");

      extractor.close();
    }

    /**
     * Simple test for text box text
     */
    @Test
    void testTextBoxes() throws IOException {
        try (XSSFExcelExtractor extractor = getExtractor("WithTextBox.xlsx")) {
            extractor.setFormulasNotResults(true);
            String text = extractor.getText();
            assertContains(text, "Line 1");
            assertContains(text, "Line 2");
            assertContains(text, "Line 3");
        }
    }

    @Test
    void testPhoneticRuns() throws Exception {
        try (XSSFExcelExtractor extractor = getExtractor("51519.xlsx")) {
            String text = extractor.getText();
            assertContains(text, "\u8C4A\u7530");
            //this shows up only as a phonetic run and should not appear
            //in the extracted text
            assertNotContained(text, "\u30CB\u30DB\u30F3");
        }
    }

    @Test
    void test67784Formulas() throws Exception {
        try (XSSFExcelExtractor extractor = getExtractor("bug67784.xlsx")) {
            extractor.setFormulasNotResults(true);
            String text = extractor.getText().replace("\r", "");
            String[] lines = text.split("\n");
            assertEquals("(2 > 5)", lines[2]);
            assertEquals("(2 < 4)", lines[3]);
            assertEquals("10/0", lines[4]);
        }
    }
}