text: import unittest
  import numpy
  import dadi
  
  class ProjectionTestCase(unittest.TestCase):
      def test_project_up(self):
          """
          Saving spectrum to file.
          """
          fixed_params = [0.1,None,None]
          params_up = dadi.Inference._project_params_up([0.2,0.3], fixed_params)
          self.assertTrue(numpy.allclose(params_up, [0.1,0.2,0.3]))
  
          fixed_params = [0.1,0.2,None]
          params_up = dadi.Inference._project_params_up([0.3], fixed_params)
          self.assertTrue(numpy.allclose(params_up, [0.1,0.2,0.3]))
  
          fixed_params = [0.1,0.2,None]
          params_up = dadi.Inference._project_params_up(0.3, fixed_params)
          self.assertTrue(numpy.allclose(params_up, [0.1,0.2,0.3]))
  
  suite = unittest.TestLoader().loadTestsFromTestCase(ProjectionTestCase)
  if __name__ == '__main__':
      unittest.main()
  