text: """This is the Bokeh charts testing interface.
  
  """
  #-----------------------------------------------------------------------------
  # Copyright (c) 2012 - 2014, Continuum Analytics, Inc. All rights reserved.
  #
  # Powered by the Bokeh Development Team.
  #
  # The full license is in the file LICENSE.txt, distributed with this software.
  #-----------------------------------------------------------------------------
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  from __future__ import absolute_import
  
  import unittest
  
  from bokeh.charts.utils import chunk
  
  #-----------------------------------------------------------------------------
  # Classes and functions
  #-----------------------------------------------------------------------------
  
  class TestBuilder(unittest.TestCase):
  
      def test_chunk(self):
          chunk_list = list(chunk(range(5), 2))
          self.assertEqual(len(chunk_list), 3)
          self.assertEqual(len(chunk_list[0]), 2)
  
      # TODO (bev): fix test properly
      # def test_make_scatter(self):
      #     source = ColumnDataSource({"a": [2, 4, 5]})
      #     renderer = make_scatter(source, [0], [1], "circle", "black")
      #     scatter = renderer.glyph
      #     self.assertIsInstance(renderer, GlyphRenderer)
      #     self.assertEqual(renderer.data_source, source)
      #     self.assertEqual(scatter.x, [0])
      #     self.assertEqual(scatter.y, [1])
      #     self.assertIsInstance(scatter, Circle)
      #     self.assertEqual(scatter.line_color, "black")
  