trunk/src/ooxml/testcases/org/apache/poi/xssf/model/TestExternalLinksTable.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.model;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import org.apache.poi.ss.usermodel.Name;
import org.apache.poi.xssf.XSSFTestDataSamples;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Test;

public final class TestExternalLinksTable {
    @Test
    public void none() {
        XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("SampleSS.xlsx");
        assertNotNull(wb.getExternalLinksTable());
        assertEquals(0, wb.getExternalLinksTable().size());
    }
    
    @Test
    public void basicRead() {
        XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("ref-56737.xlsx");
        assertNotNull(wb.getExternalLinksTable());
        Name name = null;

        assertEquals(1, wb.getExternalLinksTable().size());

        ExternalLinksTable links = wb.getExternalLinksTable().get(0);
        assertEquals(3, links.getSheetNames().size());
        assertEquals(2, links.getDefinedNames().size());
        
        assertEquals("Uses",    links.getSheetNames().get(0));
        assertEquals("Defines", links.getSheetNames().get(1));
        assertEquals("56737",   links.getSheetNames().get(2));
        
        name = links.getDefinedNames().get(0);
        assertEquals("NR_Global_B2", name.getNameName());
        assertEquals(-1, name.getSheetIndex());
        assertEquals(null, name.getSheetName());
        assertEquals("'Defines'!$B$2", name.getRefersToFormula());
        
        name = links.getDefinedNames().get(1);
        assertEquals("NR_To_A1", name.getNameName());
        assertEquals(1, name.getSheetIndex());
        assertEquals("Defines", name.getSheetName());
        assertEquals("'Defines'!$A$1", name.getRefersToFormula());
        
        assertEquals("56737.xlsx", links.getLinkedFileName());
    }
    
    @Test
    public void basicReadWriteRead() {
        XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("ref-56737.xlsx");
        Name name = wb.getExternalLinksTable().get(0).getDefinedNames().get(1);
        name.setNameName("Testing");
        name.setRefersToFormula("$A$1");
        
        wb = XSSFTestDataSamples.writeOutAndReadBack(wb);
        assertEquals(1, wb.getExternalLinksTable().size());
        ExternalLinksTable links = wb.getExternalLinksTable().get(0);
        
        name = links.getDefinedNames().get(0);
        assertEquals("NR_Global_B2", name.getNameName());
        assertEquals(-1, name.getSheetIndex());
        assertEquals(null, name.getSheetName());
        assertEquals("'Defines'!$B$2", name.getRefersToFormula());
        
        name = links.getDefinedNames().get(1);
        assertEquals("Testing", name.getNameName());
        assertEquals(1, name.getSheetIndex());
        assertEquals("Defines", name.getSheetName());
        assertEquals("$A$1", name.getRefersToFormula());
    }
    
    @Test
    public void readWithReferencesToTwoExternalBooks() {
        XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("ref2-56737.xlsx");
        
        assertNotNull(wb.getExternalLinksTable());
        Name name = null;

        assertEquals(2, wb.getExternalLinksTable().size());

        // Check the first one, links to 56737.xlsx
        ExternalLinksTable links = wb.getExternalLinksTable().get(0);
        assertEquals("56737.xlsx", links.getLinkedFileName());
        assertEquals(3, links.getSheetNames().size());
        assertEquals(2, links.getDefinedNames().size());
        
        assertEquals("Uses",    links.getSheetNames().get(0));
        assertEquals("Defines", links.getSheetNames().get(1));
        assertEquals("56737",   links.getSheetNames().get(2));
        
        name = links.getDefinedNames().get(0);
        assertEquals("NR_Global_B2", name.getNameName());
        assertEquals(-1, name.getSheetIndex());
        assertEquals(null, name.getSheetName());
        assertEquals("'Defines'!$B$2", name.getRefersToFormula());
        
        name = links.getDefinedNames().get(1);
        assertEquals("NR_To_A1", name.getNameName());
        assertEquals(1, name.getSheetIndex());
        assertEquals("Defines", name.getSheetName());
        assertEquals("'Defines'!$A$1", name.getRefersToFormula());

        
        // Check the second one, links to 56737.xls, slightly differently
        links = wb.getExternalLinksTable().get(1);
        assertEquals("56737.xls", links.getLinkedFileName());
        assertEquals(2, links.getSheetNames().size());
        assertEquals(2, links.getDefinedNames().size());
        
        assertEquals("Uses",    links.getSheetNames().get(0));
        assertEquals("Defines", links.getSheetNames().get(1));
        
        name = links.getDefinedNames().get(0);
        assertEquals("NR_Global_B2", name.getNameName());
        assertEquals(-1, name.getSheetIndex());
        assertEquals(null, name.getSheetName());
        assertEquals("'Defines'!$B$2", name.getRefersToFormula());
        
        name = links.getDefinedNames().get(1);
        assertEquals("NR_To_A1", name.getNameName());
        assertEquals(1, name.getSheetIndex());
        assertEquals("Defines", name.getSheetName());
        assertEquals("'Defines'!$A$1", name.getRefersToFormula());
    }
}