Source Code for Module test_suite.unit_tests._generic_fns.test_selection

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 3  # Copyright (C) 2007-2011 Edward d'Auvergne                                   # 
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21   
22  # relax module imports. 
23  from data import Relax_data_store; ds = Relax_data_store() 
24  from generic_fns import selection 
25  from test_suite.unit_tests.base_classes import UnitTestCase 
26   
27   
28 -class Test_selection(UnitTestCase): 
29      """Unit tests for the functions of the 'generic_fns.selection' module.""" 
30   
31 -    def setUp(self): 
32          """Set up some residues and spins for testing their selection and deselection.""" 
33   
34          # Add a data pipe to the data store. 
35          ds.add(pipe_name='orig', pipe_type='mf') 
36   
37          # Name the first molecule. 
38          cdp.mol[0].name = 'Ap4Aase' 
39   
40          # Add a second molecule to the system. 
41          cdp.mol.add_item(mol_name='RNA') 
42   
43          # Add two more residues to the first molecule (and set the residue number of the first). 
44          cdp.mol[0].res[0].num = 1 
45          cdp.mol[0].res.add_item(res_num=2, res_name='Glu') 
46          cdp.mol[0].res.add_item(res_num=4, res_name='Pro') 
47   
48          # Add some spin info to this molecule. 
49          cdp.mol[0].res[0].spin[0].name = 'NH' 
50          cdp.mol[0].res[0].spin[0].num = 60 
51          cdp.mol[0].res[1].spin[0].name = 'NH' 
52          cdp.mol[0].res[1].spin[0].num = 63 
53   
54          # Add one more residue to the second molecule (and set the residue number of the first). 
55          cdp.mol[1].res[0].num = -5 
56          cdp.mol[1].res.add_item(res_num=-4) 
57   
58          # Add a second set of spins to the second molecule (naming the first set first). 
59          cdp.mol[1].res[0].spin[0].name = 'C8' 
60          cdp.mol[1].res[1].spin[0].name = 'C8' 
61          cdp.mol[1].res[0].spin.add_item(spin_name='N5') 
62          cdp.mol[1].res[1].spin.add_item(spin_name='N5') 
63   
64          # Deselect a number of spins. 
65          cdp.mol[0].res[0].spin[0].select = 0 
66          cdp.mol[0].res[2].spin[0].select = 0 
67          cdp.mol[1].res[0].spin[0].select = 0 
68          cdp.mol[1].res[1].spin[1].select = 0 
69   
70   
71 -    def test_reverse(self): 
72          """Test spin system selection reversal. 
73   
74          The function tested is generic_fns.selection.reverse(). 
75          """ 
76   
77          # Reverse the selection. 
78          selection.reverse() 
79   
80          # Test the selection status. 
81          self.assertEqual(cdp.mol[0].res[0].spin[0].select, 1) 
82          self.assertEqual(cdp.mol[0].res[1].spin[0].select, 0) 
83          self.assertEqual(cdp.mol[0].res[2].spin[0].select, 1) 
84          self.assertEqual(cdp.mol[1].res[0].spin[0].select, 1) 
85          self.assertEqual(cdp.mol[1].res[0].spin[1].select, 0) 
86          self.assertEqual(cdp.mol[1].res[1].spin[0].select, 0) 
87          self.assertEqual(cdp.mol[1].res[1].spin[1].select, 1) 
88