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  """
   file: test_ult.py
   author: Cyrus Harrison (cyrush@llnl.gov)
   created: 4/18/2014
   description:
      Unit tests for curve helpers.
  
  """
  
  import unittest
  import os
  import sys
  import random
  
  from os.path import join as pjoin
  
  from visit_test import *
  from visit_utils import ult
  from visit_utils import Window, WindowManager
  
  
  try:
      import visit
  except:
      pass
  
  db_dir = pjoin(os.path.split(__file__)[0],"_data")
  db = pjoin(db_dir,"random.ult")
  output_dir  = pjoin(os.path.split(__file__)[0],"_output")
  
  class TestUlt(unittest.TestCase):
      def test_gen(self):
          crvs = []
          for i in xrange(10):
              crv = ult.Curve(name="random_crv_%03d" % i)
              for j in xrange(100):
                  crv.add_sample(j,random.random() * i)
              crvs.append(crv)
          self.assertEqual(10,len(crvs))
          self.assertEqual(len(crvs[0]),100)
      @visit_test
      def test_plot_direct(self):
          w = Window()
          ult.plot(db)
          ofile = pjoin(output_dir,"test.ult.plot.direct.render.png")
          w.render(obase=ofile,res=[200,200])
          self.assertTrue(os.path.isfile(ofile))
          WindowManager.cleanup_windows()
          visit.DeleteAllPlots()
          visit.CloseDatabase(db)
      @visit_test
      def tearDown(self):
          visit.CloseComputeEngine()
  
  if __name__ == "__main__":
      unittest.main()
  