poi/src/testcases/org/apache/poi/hssf/extractor/TestOldExcelExtractor.java

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package org.apache.poi.hssf.extractor;

import java.io.File;
import java.io.InputStream;

import org.apache.poi.POITestCase;
import org.apache.poi.hssf.HSSFTestDataSamples;

/**
 * Unit tests for the Excel 5/95 and Excel 4 (and older) text 
 *  extractor
 */
public final class TestOldExcelExtractor extends POITestCase {
    private static OldExcelExtractor createExtractor(String sampleFileName) {
        InputStream is = HSSFTestDataSamples.openSampleFileStream(sampleFileName);

        try {
            return new OldExcelExtractor(is);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
    
    public void testSimpleExcel4() {
        OldExcelExtractor extractor = createExtractor("testEXCEL_4.xls");

        // Check we can call getText without error
        String text = extractor.getText();

        // Check we find a few words we expect in there
        assertContains(text, "Size");
        assertContains(text, "Returns");
        
        // Check we find a few numbers we expect in there
        assertContains(text, "11");
        assertContains(text, "784");
        
        // Check the type
        assertEquals(4, extractor.getBiffVersion());
        assertEquals(0x10, extractor.getFileType());
    }
    public void testSimpleExcel5() {
        for (String ver : new String[] {"5", "95"}) {
            OldExcelExtractor extractor = createExtractor("testEXCEL_"+ver+".xls");
    
            // Check we can call getText without error
            String text = extractor.getText();
    
            // Check we find a few words we expect in there
            assertContains(text, "Sample Excel");
            assertContains(text, "Written and saved");
            
            // Check we find a few numbers we expect in there
            assertContains(text, "15");
            assertContains(text, "169");
            
            // Check we got the sheet names (new formats only)
            assertContains(text, "Sheet: Feuil3");
            
            // Check the type
            assertEquals(5, extractor.getBiffVersion());
            assertEquals(0x05, extractor.getFileType());
        }
    }

    public void testStrings() {
        OldExcelExtractor extractor = createExtractor("testEXCEL_4.xls");
        String text = extractor.getText();

        // Simple strings
        assertContains(text, "Table 10 -- Examination Coverage:");
        assertContains(text, "Recommended and Average Recommended Additional Tax After");
        assertContains(text, "Individual income tax returns, total");
        
        // More complicated strings
        assertContains(text, "$100,000 or more");
        assertContains(text, "S corporation returns, Form 1120S [10,15]");
        assertContains(text, "individual income tax return \u201Cshort forms.\u201D");
        
        // Formula based strings
        // TODO Find some then test
    }

    public void testFormattedNumbersExcel4() {
        OldExcelExtractor extractor = createExtractor("testEXCEL_4.xls");
        String text = extractor.getText();

        // Simple numbers
        assertContains(text, "151");
        assertContains(text, "784");
        
        // Numbers which come from formulas
        assertContains(text, "0.398"); // TODO Rounding
        assertContains(text, "624");
        
        // Formatted numbers
        // TODO
//      assertContains(text, "55,624");
//      assertContains(text, "11,743,477");
    }
    public void testFormattedNumbersExcel5() {
        for (String ver : new String[] {"5", "95"}) {
            OldExcelExtractor extractor = createExtractor("testEXCEL_"+ver+".xls");
            String text = extractor.getText();
            
            // Simple numbers
            assertContains(text, "1");
            
            // Numbers which come from formulas
            assertContains(text, "13");
            assertContains(text, "169");
            
            // Formatted numbers
            // TODO
//          assertContains(text, "100.00%");
//          assertContains(text, "155.00%");
//          assertContains(text, "1,125");
//          assertContains(text, "189,945");
//          assertContains(text, "1,234,500");
//          assertContains(text, "$169.00");
//          assertContains(text, "$1,253.82");
        }
    }
    
    public void testFromFile() throws Exception {
        for (String ver : new String[] {"4", "5", "95"}) {
            String filename = "testEXCEL_"+ver+".xls";
            File f = HSSFTestDataSamples.getSampleFile(filename);
            
            OldExcelExtractor extractor = new OldExcelExtractor(f);
            String text = extractor.getText();
            assertNotNull(text);
            assertTrue(text.length() > 100);
        }
    }
}