text: ###############################################################################
  #
  # Tests for XlsxWriter.
  #
  # Copyright (c), 2013, John McNamara, jmcnamara@cpan.org
  #
  
  import unittest
  from ..compatibility import StringIO
  from ...styles import Styles
  
  
  class TestWriteStyleXf(unittest.TestCase):
      """
      Test the Styles _write_style_xf() method.
  
      """
  
      def setUp(self):
          self.fh = StringIO()
          self.styles = Styles()
          self.styles._set_filehandle(self.fh)
  
      def test_write_style_xf(self):
          """Test the _write_style_xf() method"""
  
          self.styles._write_style_xf()
  
          exp = """<xf numFmtId="0" fontId="0" fillId="0" borderId="0"/>"""
          got = self.fh.getvalue()
  
          self.assertEqual(got, exp)
  
  
  if __name__ == '__main__':
      unittest.main()
  