Coverage for manila/tests/db/test

1# Copyright (c) Goutham Pacha Ravi.

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

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

6# a copy of the License at

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

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

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

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

13# License for the specific language governing permissions and limitations

14# under the License.

15"""Unit Tests for the interface methods in the manila/db/api.py."""

17import re

19from manila.db import api as db_interface

20from manila.db.sqlalchemy import api as db_api

21from manila import test

24class DBInterfaceTestCase(test.TestCase):

25 """Test cases for the DB Interface methods."""

27 def test_interface_methods(self):

28 """Ensure that implementation methods match interfaces.

30 manila/db/api module is merely shim layer between the database

31 implementation and the other methods using these implementations.

32 Bugs are introduced when the shims go out of sync with the actual

33 implementation. So this test ensures that method names and

34 signatures match between the interface and the implementation.

35 """

36 members = dir(db_interface)

37 # Ignore private methods for the file and any other members that

38 # need not match.

39 ignore_members = re.compile(r'^_|CONF|IMPL')

40 interfaces = [i for i in members if not ignore_members.match(i)]

41 for interface in interfaces:

42 method = getattr(db_interface, interface)

43 if callable(method):

44 mock_method_call = self.mock_object(db_api, interface)

45 # kwargs always specify defaults, ignore them in the signature.

46 args = filter(

47 lambda x: x != 'kwargs', method.__code__.co_varnames)

49 method(*args)

51 self.assertTrue(mock_method_call.called)

Coverage for manila/tests/db/test_api.py: 100%