text: ###############################################################################
  #
  # Tests for XlsxWriter.
  #
  # Copyright (c), 2013-2015, John McNamara, jmcnamara@cpan.org
  #
  
  import unittest
  from ...compatibility import StringIO
  from ...vml import Vml
  
  
  class TestWriteVshadow(unittest.TestCase):
      """
      Test the Vml _write_shadow() method.
  
      """
  
      def setUp(self):
          self.fh = StringIO()
          self.vml = Vml()
          self.vml._set_filehandle(self.fh)
  
      def test_write_shadow(self):
          """Test the _write_shadow() method"""
  
          self.vml._write_shadow()
  
          exp = """<v:shadow on="t" color="black" obscured="t"/>"""
          got = self.fh.getvalue()
  
          self.assertEqual(got, exp)
  