text: from tests.ditest import DependencyInjectionTestBase
  from mock import Mock, sentinel
  from datetime import datetime
  
  class InheritanceTests(DependencyInjectionTestBase):
  
      def setUp(self):
          super(InheritanceTests, self).setUp()
  
      def test_InheritFrom(self):
          from niprov.inheriting import inheritFrom
          parentProv = {'acquired':datetime.now(),
              'subject':'JD', 
              'protocol':'X',
              'technique':'abc',
              'repetition-time':1.0,
              'epi-factor':1.0,
              'magnetization-transfer-contrast':True,
              'diffusion':True,
              'echo-time':123,
              'flip-angle':892,
              'inversion-time':123}
          prov = inheritFrom({'a':1}, parentProv)
          self.assertEqual(prov['acquired'], parentProv['acquired'])
          self.assertEqual(prov['subject'], parentProv['subject'])
          self.assertEqual(prov['protocol'], parentProv['protocol'])
          self.assertEqual(prov['technique'], parentProv['technique'])
          self.assertEqual(prov['repetition-time'], parentProv['repetition-time'])
          self.assertEqual(prov['epi-factor'], parentProv['epi-factor'])
          self.assertEqual(prov['magnetization-transfer-contrast'], 
              parentProv['magnetization-transfer-contrast'])
          self.assertEqual(prov['diffusion'], parentProv['diffusion'])
          self.assertEqual(prov['echo-time'], parentProv['echo-time'])
          self.assertEqual(prov['flip-angle'], parentProv['flip-angle'])
          self.assertEqual(prov['inversion-time'], parentProv['inversion-time'])
  
      def test_Doesnt_complain_if_parent_is_missing_basic_fields(self):
          from niprov.inheriting import inheritFrom
          prov = inheritFrom({'a':1}, {'b':2})
  
  