TestXSSFChart.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
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       http://www.apache.org/licenses/LICENSE-2.0

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package org.apache.poi.xssf.usermodel;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;

import java.io.IOException;

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

public final class TestXSSFChart {
    @Test
    void testGetAccessors() throws IOException {
        try (XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("WithThreeCharts.xlsx")) {
            XSSFSheet s1 = wb.getSheetAt(0);
            XSSFSheet s2 = wb.getSheetAt(1);
            XSSFSheet s3 = wb.getSheetAt(2);

            assertEquals(0, s1.getRelations().size());
            assertEquals(1, s2.getRelations().size());
            assertEquals(1, s3.getRelations().size());

            assertNotNull(XSSFTestDataSamples.writeOutAndReadBack(wb));
        }
    }

    @Test
    void testGetCharts() throws Exception {
       try (XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("WithThreeCharts.xlsx")) {
           XSSFSheet s1 = wb.getSheetAt(0);
           XSSFSheet s2 = wb.getSheetAt(1);
           XSSFSheet s3 = wb.getSheetAt(2);

           assertEquals(0, s1.createDrawingPatriarch().getCharts().size());
           assertEquals(2, s2.createDrawingPatriarch().getCharts().size());
           assertEquals(1, s3.createDrawingPatriarch().getCharts().size());

           // Check the titles
           XSSFChart chart = s2.createDrawingPatriarch().getCharts().get(0);
           assertNull(chart.getTitleText());

           chart = s2.createDrawingPatriarch().getCharts().get(1);
           XSSFRichTextString title = chart.getTitleText();
           assertNotNull(title);
           assertEquals("Pie Chart Title Thingy", title.getString());

           chart = s3.createDrawingPatriarch().getCharts().get(0);
           title = chart.getTitleText();
           assertNotNull(title);
           assertEquals("Sheet 3 Chart with Title", title.getString());

           assertNotNull(XSSFTestDataSamples.writeOutAndReadBack(wb));
       }
    }

    @Test
    void testAddChartsToNewWorkbook() throws Exception {
        try (XSSFWorkbook wb = new XSSFWorkbook()) {
            XSSFSheet s1 = wb.createSheet();
            XSSFDrawing d1 = s1.createDrawingPatriarch();
            XSSFClientAnchor a1 = new XSSFClientAnchor(0, 0, 0, 0, 1, 1, 10, 30);
            XSSFChart c1 = d1.createChart(a1);

            assertEquals(1, d1.getCharts().size());

            assertNotNull(c1.getGraphicFrame());
            assertNotNull(c1.getOrAddLegend());

            XSSFClientAnchor a2 = new XSSFClientAnchor(0, 0, 0, 0, 1, 11, 10, 60);
            XSSFChart c2 = d1.createChart(a2);
            assertNotNull(c2);
            assertEquals(2, d1.getCharts().size());

            assertNotNull(XSSFTestDataSamples.writeOutAndReadBack(wb));
        }
    }
}