def test_loop(self):
loopText = writer._loopText(self.populatedNef['nef_molecular_system'], 'nef_sequence').split('\n')
self.assertEqual(' loop_', loopText[0])
self.assertEqual(' _nef_sequence.chain_code', loopText[1])
self.assertEqual(' _nef_sequence.sequence_code', loopText[2])
self.assertEqual(' _nef_sequence.residue_type', loopText[3])
self.assertEqual(' _nef_sequence.linking', loopText[4])
self.assertEqual(' _nef_sequence.residue_variant', loopText[5])
self.assertEqual('', loopText[6])
self.assertEqual(' stop_', loopText[-3])
self.assertEqual('', loopText[-2])
self.assertEqual('', loopText[-1])
def test_saveframe_text_empty_loop(self):
with self.assertRaises(IndexError):
writer._loopText(self.nef['nef_molecular_system'], 'nef_sequence')
