fix tests

* fix the path to config file
* missing test base class
* changing keys while iterating on a dict

Change-Id: I526ab6c5f4cdd603107b0e89eecd8b01e68a94b9

vitrage/tests/unit/datasources/kubernetes/test_kubernetes_transformer.py

@@ -34,6 +34,7 @@ from vitrage.datasources import transformer_base as tbase
 from vitrage.datasources.transformer_base import TransformerBase
 from vitrage.tests import base
 from vitrage.tests.mocks import mock_driver as mock_sync
+from vitrage.tests.mocks import utils
 
 LOG = logging.getLogger(__name__)
 
@@ -46,8 +47,8 @@ class KubernetesTransformerTest(base.BaseTest):
         cfg.StrOpt(DSOpts.UPDATE_METHOD,
                    default=UpdateMethod.PULL),
         cfg.StrOpt(DSOpts.CONFIG_FILE,
-                   default='/opt/stack/vitrage/vitrage/tests/resources/'
+                   default=utils.get_resources_dir() +
-                           'kubernetes/kubernetes_config.yaml'),
+                   '/kubernetes/kubernetes_config.yaml'),
     ]
 
     # noinspection PyAttributeOutsideInit,PyPep8Naming
@@ -55,13 +56,15 @@ class KubernetesTransformerTest(base.BaseTest):
     def setUpClass(cls):
         super(KubernetesTransformerTest, cls).setUpClass()
         cls.transformers = {}
-        cls.conf = cfg.ConfigOpts()
-        cls.conf.register_opts(cls.OPTS, group=KUBERNETES_DATASOURCE)
         cls.transformers[KUBERNETES_DATASOURCE] = KubernetesTransformer(
             cls.transformers)
         cls.transformers[NOVA_INSTANCE_DATASOURCE] = \
             InstanceTransformer(cls.transformers)
 
+    def setUp(self):
+        super(KubernetesTransformerTest, self).setUp()
+        self.conf_reregister_opts(self.OPTS, group=KUBERNETES_DATASOURCE)
+
     def test_snapshot_event_transform(self):
         LOG.debug('Test tactual transform action for '
                   'snapshot and snapshot init events')

vitrage/tests/unit/evaluator/test_template_loader.py

@@ -74,7 +74,7 @@ class TemplateLoaderTest(base.BaseTest):
 
         # Assertions
         for definition in definitions[TFields.ENTITIES]:
-            for key, value in definition['entity'].items():
+            for key, value in list(definition['entity'].items()):
                 new_key = PropsConverter.PROPS_CONVERSION[key] \
                     if key in PropsConverter.PROPS_CONVERSION else key
                 del definition['entity'][key]
@@ -173,7 +173,7 @@ class TemplateLoaderTest(base.BaseTest):
 
         # Assertions
         for definition in definitions[TFields.ENTITIES]:
-            for key, value in definition['entity'].items():
+            for key, value in list(definition['entity'].items()):
                 new_key = PropsConverter.PROPS_CONVERSION[key] \
                     if key in PropsConverter.PROPS_CONVERSION else key
                 del definition['entity'][key]

vitrage/tests/unit/snmp_parsing/test_snmp_parsing.py

@@ -22,6 +22,7 @@ from pysnmp.proto.rfc1902 import TimeTicks
 
 from vitrage.snmp_parsing.service import SnmpParsingService
 from vitrage.tests import base
+from vitrage.tests.mocks import utils
 
 
 BINDS_REPORTED = [
@@ -112,8 +113,8 @@ class TestSnmpParsing(base.BaseTest):
         super(TestSnmpParsing, self).setUp()
         self.cfg_fixture.config(
             group='snmp_parsing',
-            oid_mapping='vitrage/tests/resources/snmp_parsing/'
+            oid_mapping=utils.get_resources_dir() +
-                        'snmp_parsing_conf.yaml')
+            '/snmp_parsing/snmp_parsing_conf.yaml')
 
     def test_convert_binds_to_dict(self):
         parsing_service = SnmpParsingService(1)

vitrage/tests/unit/storage/test_migrations.py

@@ -93,7 +93,8 @@ class MigrationCheckersMixin(object):
 
 class TestMigrationsMySQL(MigrationCheckersMixin,
                           WalkWersionsMixin,
-                          test_fixtures.OpportunisticDBTestMixin):
+                          test_fixtures.OpportunisticDBTestMixin,
+                          test_base.BaseTestCase):
     FIXTURE = test_fixtures.MySQLOpportunisticFixture