TestExternalLinksTable.java

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   contributor license agreements.  See the NOTICE file distributed with
   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());
    }
}