Coverage for manila/tests/share/drivers/netapp/dataontap/cluster_mode/test_driver_interfaces.py: 100%

1# Copyright (c) 2015 Clinton Knight. All rights reserved. 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); you may 

4# not use this file except in compliance with the License. You may obtain 

5# a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 

11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 

12# License for the specific language governing permissions and limitations 

13# under the License. 

14""" 

15Mock unit tests for the NetApp file share driver interfaces 

16""" 

17 

18from unittest import mock 

19 

20from manila.share.drivers.netapp.dataontap.cluster_mode import drv_multi_svm 

21from manila.share.drivers.netapp.dataontap.cluster_mode import drv_single_svm 

22from manila import test 

23 

24 

25class NetAppFileStorageDriverInterfaceTestCase(test.TestCase): 

26 

27 def setUp(self): 

28 super(NetAppFileStorageDriverInterfaceTestCase, self).setUp() 

29 

30 self.mock_object(drv_multi_svm.NetAppCmodeMultiSvmShareDriver, 

31 '__init__', 

32 mock.Mock(return_value=None)) 

33 self.mock_object(drv_single_svm.NetAppCmodeSingleSvmShareDriver, 

34 '__init__', 

35 mock.Mock(return_value=None)) 

36 

37 self.drv_multi_svm = drv_multi_svm.NetAppCmodeMultiSvmShareDriver() 

38 self.drv_single_svm = drv_single_svm.NetAppCmodeSingleSvmShareDriver() 

39 

40 def test_driver_interfaces_match(self): 

41 """Ensure the NetApp file storage driver interfaces match. 

42 

43 The two file share Manila drivers from NetApp (cDOT multi-SVM, 

44 cDOT single-SVM) are merely passthrough shim layers atop a common 

45 file storage library. Bugs are easily introduced when a Manila 

46 method is exposed via a subset of those driver shims. This test 

47 ensures they remain in sync and the library features are uniformly 

48 available in the drivers. 

49 """ 

50 

51 # Get local functions of each driver interface 

52 multi_svm_methods = self._get_local_functions(self.drv_multi_svm) 

53 single_svm_methods = self._get_local_functions(self.drv_single_svm) 

54 

55 # Ensure NetApp file share driver shims are identical 

56 self.assertSetEqual(multi_svm_methods, single_svm_methods) 

57 

58 def _get_local_functions(self, obj): 

59 """Get function names of an object without superclass functions.""" 

60 return set([key for key, value in type(obj).__dict__.items() 

61 if callable(value)])