def METHOD_NAME(self):
    '''
    Test the instantiation of the fault and the calculation of the length
    '''
    expected_keys = sorted(['trace', 'downdip_width', 'area', 'surface',
                            'upper_depth', 'length', 'surface_width',
                            'lower_depth', 'dip', 'typology'])
    self.fault = SimpleFaultGeometry(self.trace, self.dip,
                                     self.upper_depth, self.lower_depth)
    self.assertListEqual(sorted(self.fault.__dict__), expected_keys)
    self.assertAlmostEqual(self.fault.length, 60., 5)
    self.assertEqual(self.fault.typology, 'Simple')
    self.assertTrue(isinstance(self.fault.surface,
                               simple_fault.SimpleFaultSurface))