text: ###############################################################################
  #
  # Tests for XlsxWriter.
  #
  # Copyright (c), 2013-2021, John McNamara, jmcnamara@cpan.org
  #
  
  import unittest
  from io import StringIO
  from ..helperfunctions import _xml_to_list
  from ...worksheet import Worksheet
  
  
  class TestAssembleWorksheet(unittest.TestCase):
      """
      Test assembling a complete Worksheet file.
  
      """
      def test_assemble_xml_file(self):
          """Test writing a worksheet with no cell data."""
          self.maxDiff = None
  
          fh = StringIO()
          worksheet = Worksheet()
          worksheet._set_filehandle(fh)
          worksheet.select()
          worksheet.name = 'Sheet1'
          worksheet.excel_version = 2010
  
          data = [-2, 2, 3, -1, 0]
          worksheet.write_row('A1', data)
  
          # Set up sparklines.
          worksheet.add_sparkline('F1', {'range': 'Sheet1!A1:E1',
                                         'max': 4, 'min': 0})
  
          worksheet._assemble_xml_file()
  
          exp = _xml_to_list("""
                  <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
                  <worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:x14ac="http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac" mc:Ignorable="x14ac">
                    <dimension ref="A1:E1"/>
                    <sheetViews>
                      <sheetView tabSelected="1" workbookViewId="0"/>
                    </sheetViews>
                    <sheetFormatPr defaultRowHeight="15" x14ac:dyDescent="0.25"/>
                    <sheetData>
                      <row r="1" spans="1:5" x14ac:dyDescent="0.25">
                        <c r="A1">
                          <v>-2</v>
                        </c>
                        <c r="B1">
                          <v>2</v>
                        </c>
                        <c r="C1">
                          <v>3</v>
                        </c>
                        <c r="D1">
                          <v>-1</v>
                        </c>
                        <c r="E1">
                          <v>0</v>
                        </c>
                      </row>
                    </sheetData>
                    <pageMargins left="0.7" right="0.7" top="0.75" bottom="0.75" header="0.3" footer="0.3"/>
                    <extLst>
                      <ext xmlns:x14="http://schemas.microsoft.com/office/spreadsheetml/2009/9/main" uri="{05C60535-1F16-4fd2-B633-F4F36F0B64E0}">
                        <x14:sparklineGroups xmlns:xm="http://schemas.microsoft.com/office/excel/2006/main">
                          <x14:sparklineGroup manualMax="4" manualMin="0" displayEmptyCellsAs="gap" minAxisType="custom" maxAxisType="custom">
                            <x14:colorSeries theme="4" tint="-0.499984740745262"/>
                            <x14:colorNegative theme="5"/>
                            <x14:colorAxis rgb="FF000000"/>
                            <x14:colorMarkers theme="4" tint="-0.499984740745262"/>
                            <x14:colorFirst theme="4" tint="0.39997558519241921"/>
                            <x14:colorLast theme="4" tint="0.39997558519241921"/>
                            <x14:colorHigh theme="4"/>
                            <x14:colorLow theme="4"/>
                            <x14:sparklines>
                              <x14:sparkline>
                                <xm:f>Sheet1!A1:E1</xm:f>
                                <xm:sqref>F1</xm:sqref>
                              </x14:sparkline>
                            </x14:sparklines>
                          </x14:sparklineGroup>
                        </x14:sparklineGroups>
                      </ext>
                    </extLst>
                  </worksheet>
                  """)
  
          got = _xml_to_list(fh.getvalue())
  
          self.assertEqual(got, exp)
  