text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  
  """ Module for all test in catplot.
  """
  
  import unittest
  
  from ep_chain_test import EPChainTest
  from ep_canvas_test import EPCanvasTest
  from elementary_line_test import ElementaryLineTest
  from node_2d_test import Node2DTest
  from edge_2d_test import Edge2DTest
  from arrow_2d_test import Arrow2DTest
  from supercell_2d_test import SuperCell2DTest
  from grid_2d_canvas_test import Grid2DCanvasTest
  from node_3d_test import Node3DTest
  from edge_3d_test import Edge3DTest
  from grid_3d_canvas_test import Grid3DCanvasTest
  from supercell_3d_test import SuperCell3DTest
  from plane_3d_test import Plane3DTest
  
  def suite():
      test_suite = unittest.TestSuite([
          unittest.TestLoader().loadTestsFromTestCase(EPChainTest),
          unittest.TestLoader().loadTestsFromTestCase(EPCanvasTest),
          unittest.TestLoader().loadTestsFromTestCase(ElementaryLineTest),
          unittest.TestLoader().loadTestsFromTestCase(Node2DTest),
          unittest.TestLoader().loadTestsFromTestCase(Edge2DTest),
          unittest.TestLoader().loadTestsFromTestCase(Arrow2DTest),
          unittest.TestLoader().loadTestsFromTestCase(SuperCell2DTest),
          unittest.TestLoader().loadTestsFromTestCase(Grid2DCanvasTest),
          unittest.TestLoader().loadTestsFromTestCase(Node3DTest),
          unittest.TestLoader().loadTestsFromTestCase(Edge3DTest),
          unittest.TestLoader().loadTestsFromTestCase(Grid3DCanvasTest),
          unittest.TestLoader().loadTestsFromTestCase(SuperCell3DTest),
          unittest.TestLoader().loadTestsFromTestCase(Plane3DTest),
      ])
  
      return test_suite
  
  if "__main__" == __name__:
      result = unittest.TextTestRunner(verbosity=2).run(suite())
  
      if result.errors or result.failures:
          raise ValueError("Get errors and failures")
  
  