log4j/src/ooxml/testcases/org/apache/poi/xssf/usermodel/BaseTestXSSFPivotTable.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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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 static org.junit.jupiter.api.Assertions.assertThrows;

import java.io.IOException;

import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.DataConsolidateFunction;
import org.apache.poi.ss.util.AreaReference;
import org.apache.poi.ss.util.CellReference;
import org.apache.poi.xssf.XSSFITestDataProvider;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTPageField;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTPageFields;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTPivotFields;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTPivotTableDefinition;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.STDataConsolidateFunction;

public abstract class BaseTestXSSFPivotTable {
    private static final XSSFITestDataProvider _testDataProvider = XSSFITestDataProvider.instance;
    protected XSSFWorkbook wb;
    protected XSSFPivotTable pivotTable;
    protected XSSFPivotTable offsetPivotTable;
    protected Cell offsetOuterCell;

    /**
     * required to set up the test pivot tables and cell reference, either by name or reference.
     */
    @BeforeEach
    protected abstract void setUp();

    @AfterEach
    void tearDown() throws IOException {
        if (wb != null) {
            XSSFWorkbook wb2 = _testDataProvider.writeOutAndReadBack(wb);
            wb.close();
            wb2.close();
        }
    }

    /**
     * Verify that when creating a row label it's  created on the correct row
     * and the count is increased by one.
     */
    @Test
    void testAddRowLabelToPivotTable() {
        int columnIndex = 0;

        assertEquals(0, pivotTable.getRowLabelColumns().size());

        pivotTable.addRowLabel(columnIndex);
        CTPivotTableDefinition defintion = pivotTable.getCTPivotTableDefinition();

        assertEquals(defintion.getRowFields().getFieldArray(0).getX(), columnIndex);
        assertEquals(defintion.getRowFields().getCount(), 1);
        assertEquals(1, pivotTable.getRowLabelColumns().size());

        columnIndex = 1;
        pivotTable.addRowLabel(columnIndex);
        assertEquals(2, pivotTable.getRowLabelColumns().size());

        assertEquals(0, (int)pivotTable.getRowLabelColumns().get(0));
        assertEquals(1, (int)pivotTable.getRowLabelColumns().get(1));
    }

    /**
     * Verify that it's not possible to create a row label outside of the referenced area.
     */
    @Test
    void testAddRowLabelOutOfRangeThrowsException() {
        assertThrows(IndexOutOfBoundsException.class, () -> pivotTable.addRowLabel(5));
    }

    /**
     * Verify that when creating one column label, no col fields are being created.
     */
    @Test
    void testAddOneColumnLabelToPivotTableDoesNotCreateColField() {
        int columnIndex = 0;

        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnIndex);
        CTPivotTableDefinition defintion = pivotTable.getCTPivotTableDefinition();

        assertNull(defintion.getColFields());
    }

    /**
     * Verify that it's possible to create three column labels with different DataConsolidateFunction
     */
    @Test
    void testAddThreeDifferentColumnLabelsToPivotTable() {
        int columnOne = 0;
        int columnTwo = 1;
        int columnThree = 2;

        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnOne);
        pivotTable.addColumnLabel(DataConsolidateFunction.MAX, columnTwo);
        pivotTable.addColumnLabel(DataConsolidateFunction.MIN, columnThree);
        CTPivotTableDefinition defintion = pivotTable.getCTPivotTableDefinition();

        assertEquals(defintion.getDataFields().getDataFieldList().size(), 3);
    }


    /**
     * Verify that it's possible to create three column labels with the same DataConsolidateFunction
     */
    @Test
    void testAddThreeSametColumnLabelsToPivotTable() {
        int columnOne = 0;
        int columnTwo = 1;
        int columnThree = 2;

        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnOne);
        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnTwo);
        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnThree);
        CTPivotTableDefinition defintion = pivotTable.getCTPivotTableDefinition();

        assertEquals(defintion.getDataFields().getDataFieldList().size(), 3);
    }

    /**
     * Verify that when creating two column labels, a col field is being created and X is set to -2.
     */
    @Test
    void testAddTwoColumnLabelsToPivotTable() {
        int columnOne = 0;
        int columnTwo = 1;

        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnOne);
        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnTwo);
        CTPivotTableDefinition defintion = pivotTable.getCTPivotTableDefinition();

        assertEquals(defintion.getColFields().getFieldArray(0).getX(), -2);
    }

    /**
     * Verify that a data field is created when creating a data column
     */
    @Test
    void testColumnLabelCreatesDataField() {
        int columnIndex = 0;

        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnIndex);

        CTPivotTableDefinition defintion = pivotTable.getCTPivotTableDefinition();

        assertEquals(defintion.getDataFields().getDataFieldArray(0).getFld(), columnIndex);
        assertEquals(defintion.getDataFields().getDataFieldArray(0).getSubtotal(),
                STDataConsolidateFunction.Enum.forInt(DataConsolidateFunction.SUM.getValue()));
    }

    /**
     * Verify that it's possible to set a custom name when creating a data column
     */
    @Test
    void testColumnLabelSetCustomName() {
        int columnIndex = 0;

        String customName = "Custom Name";

        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnIndex, customName);

        CTPivotTableDefinition defintion = pivotTable.getCTPivotTableDefinition();

        assertEquals(defintion.getDataFields().getDataFieldArray(0).getFld(), columnIndex);
        assertEquals(defintion.getDataFields().getDataFieldArray(0).getName(), customName);
    }

    /**
     * Verify that it's possible to set the format to the data column
     */
    @Test
    void testColumnLabelSetDataFormat() {
        int columnIndex = 0;

        String format = "#,##0.0";

        pivotTable.addColumnLabel(DataConsolidateFunction.SUM, columnIndex, null, format);

        CTPivotTableDefinition defintion = pivotTable.getCTPivotTableDefinition();

        assertEquals(defintion.getDataFields().getDataFieldArray(0).getFld(), columnIndex);
        assertEquals(defintion.getDataFields().getDataFieldArray(0).getNumFmtId(), wb.createDataFormat().getFormat(format));
    }

    /**
     * Verify that it's not possible to create a column label outside of the referenced area.
     */
    @Test
    void testAddColumnLabelOutOfRangeThrowsException() {
        assertThrows(IndexOutOfBoundsException.class, () -> pivotTable.addColumnLabel(DataConsolidateFunction.SUM, 5));
    }

     /**
     * Verify when creating a data column set to a data field, the data field with the corresponding
     * column index will be set to true.
     */
    @Test
    void testAddDataColumn() {
        int columnIndex = 0;
        boolean isDataField = true;

        pivotTable.addDataColumn(columnIndex, isDataField);
        CTPivotFields pivotFields = pivotTable.getCTPivotTableDefinition().getPivotFields();
        assertEquals(pivotFields.getPivotFieldArray(columnIndex).getDataField(), isDataField);
    }

    /**
     * Verify that it's not possible to create a data column outside of the referenced area.
     */
    @Test
    void testAddDataColumnOutOfRangeThrowsException() {
        assertThrows(IndexOutOfBoundsException.class, () -> pivotTable.addDataColumn(5, true));
    }

     /**
     * Verify that it's possible to create a new filter
     */
    @Test
    void testAddReportFilter() {
        int columnIndex = 0;

        pivotTable.addReportFilter(columnIndex);
        CTPageFields fields = pivotTable.getCTPivotTableDefinition().getPageFields();
        CTPageField field = fields.getPageFieldArray(0);
        assertEquals(field.getFld(), columnIndex);
        assertEquals(field.getHier(), -1);
        assertEquals(fields.getCount(), 1);
    }

     /**
     * Verify that it's not possible to create a new filter outside of the referenced area.
     */
    @Test
    void testAddReportFilterOutOfRangeThrowsException() {
        assertThrows(IndexOutOfBoundsException.class, () -> pivotTable.addReportFilter(5));
    }

    /**
     * Verify that the Pivot Table operates only within the referenced area, even when the
     * first column of the referenced area is not index 0.
     */
    @Test
    void testAddDataColumnWithOffsetData() {
        offsetPivotTable.addColumnLabel(DataConsolidateFunction.SUM, 1);
        assertEquals(CellType.NUMERIC, offsetOuterCell.getCellType());

        offsetPivotTable.addColumnLabel(DataConsolidateFunction.SUM, 0);
    }

    @Test
    void testPivotTableSheetNamesAreCaseInsensitive() {
        wb.setSheetName(0,  "original");
        wb.setSheetName(1,  "offset");
        XSSFSheet original = wb.getSheet("OriginaL");
        XSSFSheet offset = wb.getSheet("OffseT");
        // assume sheets are accessible via case-insensitive name
        assertNotNull(original);
        assertNotNull(offset);

        AreaReference source = wb.getCreationHelper().createAreaReference("ORIGinal!A1:C2");
        // create a pivot table on the same sheet, case insensitive
        original.createPivotTable(source, new CellReference("W1"));
        // create a pivot table on a different sheet, case insensitive
        offset.createPivotTable(source, new CellReference("W1"));
    }


    /**
     * Verify that when creating a col label it's  created on the correct column
     * and the count is increased by one.
     */
    @Test
    void testAddColLabelToPivotTable() {
        int columnIndex = 0;

        assertEquals(0, pivotTable.getColLabelColumns().size());

        pivotTable.addColLabel(columnIndex);
        CTPivotTableDefinition defintion = pivotTable.getCTPivotTableDefinition();

        assertEquals(defintion.getColFields().getFieldArray(0).getX(), columnIndex);
        assertEquals(defintion.getColFields().getCount(), 1);
        assertEquals(1, pivotTable.getColLabelColumns().size());

        columnIndex = 1;
        pivotTable.addColLabel(columnIndex);
        assertEquals(2, pivotTable.getColLabelColumns().size());

        assertEquals(0, (int)pivotTable.getColLabelColumns().get(0));
        assertEquals(1, (int)pivotTable.getColLabelColumns().get(1));
    }

    /**
     * Verify that it's not possible to create a col label outside of the referenced area.
     */
    @Test
    void testAddColLabelOutOfRangeThrowsException() {
        assertThrows(IndexOutOfBoundsException.class, () -> pivotTable.addColLabel(5));
    }
}