Merge "Split DataGenerator class for v2 and v3"
diff --git a/requirements.txt b/requirements.txt
index 86c8a63..8a37d2b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@
 pyOpenSSL>=0.14 # Apache-2.0
 oslo.concurrency>=2.3.0 # Apache-2.0
 oslo.config>=3.2.0 # Apache-2.0
-oslo.i18n>=1.5.0 # Apache-2.0
+oslo.i18n>=2.1.0 # Apache-2.0
 oslo.log>=1.14.0 # Apache-2.0
 oslo.serialization>=1.10.0 # Apache-2.0
 oslo.utils>=3.4.0 # Apache-2.0
diff --git a/tempest/api/orchestration/stacks/test_neutron_resources.py b/tempest/api/orchestration/stacks/test_neutron_resources.py
index 8466e11..09e863e 100644
--- a/tempest/api/orchestration/stacks/test_neutron_resources.py
+++ b/tempest/api/orchestration/stacks/test_neutron_resources.py
@@ -16,7 +16,6 @@
 import netaddr
 
 from tempest.api.orchestration import base
-from tempest.common import credentials_factory as credentials
 from tempest.common.utils import data_utils
 from tempest import config
 from tempest import exceptions
@@ -37,8 +36,8 @@
 
     @classmethod
     def setup_credentials(cls):
+        cls.set_network_resources()
         super(NeutronResourcesTestJSON, cls).setup_credentials()
-        cls.os = credentials.ConfiguredUserManager()
 
     @classmethod
     def setup_clients(cls):
diff --git a/tempest/cmd/verify_tempest_config.py b/tempest/cmd/verify_tempest_config.py
index 5d867df..bc06630 100644
--- a/tempest/cmd/verify_tempest_config.py
+++ b/tempest/cmd/verify_tempest_config.py
@@ -157,7 +157,7 @@
 
     if service not in extensions_client:
         print('No tempest extensions client for %s' % service)
-        exit(1)
+        sys.exit(1)
     return extensions_client[service]
 
 
@@ -170,7 +170,7 @@
     }
     if service not in extensions_options:
         print('No supported extensions list option for %s' % service)
-        exit(1)
+        sys.exit(1)
     return extensions_options[service]
 
 
diff --git a/tempest/common/api_version_utils.py b/tempest/common/api_version_utils.py
index ac3322e..98601a7 100644
--- a/tempest/common/api_version_utils.py
+++ b/tempest/common/api_version_utils.py
@@ -69,3 +69,27 @@
     cfg_version = api_version_request.APIVersionRequest(cfg_min_version)
     max_version = cfg_version if cfg_version >= test_version else test_version
     return max_version.get_string()
+
+
+def assert_version_header_matches_request(api_microversion_header_name,
+                                          api_microversion,
+                                          response_header):
+    """Checks API microversion in resposne header
+
+    Verify whether microversion is present in response header
+    and with specified 'api_microversion' value.
+
+    @param: api_microversion_header_name: Microversion header name
+            Example- "X-OpenStack-Nova-API-Version"
+    @param: api_microversion: Microversion number like "2.10"
+    @param: response_header: Response header where microversion is
+            expected to be present.
+    """
+    api_microversion_header_name = api_microversion_header_name.lower()
+    if (api_microversion_header_name not in response_header or
+        api_microversion != response_header[api_microversion_header_name]):
+        msg = ("Microversion header '%s' with value '%s' does not match in "
+               "response - %s. " % (api_microversion_header_name,
+                                    api_microversion,
+                                    response_header))
+        raise exceptions.InvalidHTTPResponseHeader(msg)
diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index f4e2185..6776220 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -1115,12 +1115,6 @@
 
         return rules
 
-    def _ssh_to_server(self, server, private_key):
-        ssh_login = CONF.validation.image_ssh_user
-        return self.get_remote_client(server,
-                                      username=ssh_login,
-                                      private_key=private_key)
-
     def _get_router(self, client=None, tenant_id=None):
         """Retrieve a router for the given tenant id.
 
diff --git a/tempest/scenario/test_aggregates_basic_ops.py b/tempest/scenario/test_aggregates_basic_ops.py
index 97a755d..cace90b 100644
--- a/tempest/scenario/test_aggregates_basic_ops.py
+++ b/tempest/scenario/test_aggregates_basic_ops.py
@@ -43,16 +43,14 @@
     def _create_aggregate(self, **kwargs):
         aggregate = (self.aggregates_client.create_aggregate(**kwargs)
                      ['aggregate'])
-        self.addCleanup(self._delete_aggregate, aggregate)
+        self.addCleanup(self.aggregates_client.delete_aggregate,
+                        aggregate['id'])
         aggregate_name = kwargs['name']
         availability_zone = kwargs['availability_zone']
         self.assertEqual(aggregate['name'], aggregate_name)
         self.assertEqual(aggregate['availability_zone'], availability_zone)
         return aggregate
 
-    def _delete_aggregate(self, aggregate):
-        self.aggregates_client.delete_aggregate(aggregate['id'])
-
     def _get_host_name(self):
         hosts = self.hosts_client.list_hosts()['hosts']
         self.assertTrue(len(hosts) >= 1)
diff --git a/tempest/scenario/test_minimum_basic.py b/tempest/scenario/test_minimum_basic.py
index d9c6924..f7c7434 100644
--- a/tempest/scenario/test_minimum_basic.py
+++ b/tempest/scenario/test_minimum_basic.py
@@ -62,12 +62,6 @@
             server, custom_matchers.MatchesDictExceptForKeys(
                 got_server, excluded_keys=excluded_keys))
 
-    def cinder_create(self):
-        return self.create_volume()
-
-    def cinder_list(self):
-        return self.volumes_client.list_volumes()['volumes']
-
     def cinder_show(self, volume):
         got_volume = self.volumes_client.show_volume(volume['id'])['volume']
         self.assertEqual(volume, got_volume)
@@ -115,8 +109,8 @@
 
         self.nova_show(server)
 
-        volume = self.cinder_create()
-        volumes = self.cinder_list()
+        volume = self.create_volume()
+        volumes = self.volumes_client.list_volumes()['volumes']
         self.assertIn(volume['id'], [x['id'] for x in volumes])
 
         self.cinder_show(volume)
diff --git a/tempest/scenario/test_network_basic_ops.py b/tempest/scenario/test_network_basic_ops.py
index 349ef11..79a5099 100644
--- a/tempest/scenario/test_network_basic_ops.py
+++ b/tempest/scenario/test_network_basic_ops.py
@@ -240,8 +240,8 @@
         old_floating_ip, server = self.floating_ip_tuple
         ip_address = old_floating_ip.floating_ip_address
         private_key = self._get_server_key(server)
-        ssh_client = self.get_remote_client(ip_address,
-                                            private_key=private_key)
+        ssh_client = self.get_remote_client(
+            ip_address, private_key=private_key)
         old_nic_list = self._get_server_nics(ssh_client)
         # get a port from a list of one item
         port_list = self._list_ports(device_id=server['id'])
@@ -336,7 +336,8 @@
                                    should_connect=True):
         ip_address = floating_ip.floating_ip_address
         private_key = self._get_server_key(self.floating_ip_tuple.server)
-        ssh_source = self._ssh_to_server(ip_address, private_key)
+        ssh_source = self.get_remote_client(
+            ip_address, private_key=private_key)
 
         for remote_ip in address_list:
             if should_connect:
@@ -553,7 +554,8 @@
         floating_ip, server = self.floating_ip_tuple
         ip_address = floating_ip.floating_ip_address
         private_key = self._get_server_key(server)
-        ssh_client = self._ssh_to_server(ip_address, private_key)
+        ssh_client = self.get_remote_client(
+            ip_address, private_key=private_key)
 
         dns_servers = [initial_dns_server]
         servers = ssh_client.get_dns_servers()
diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index 1bf4089..18bd764 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -321,8 +321,8 @@
         access_point_ssh = \
             self.floating_ips[tenant.access_point['id']].floating_ip_address
         private_key = tenant.keypair['private_key']
-        access_point_ssh = self._ssh_to_server(access_point_ssh,
-                                               private_key=private_key)
+        access_point_ssh = self.get_remote_client(
+            access_point_ssh, private_key=private_key)
         return access_point_ssh
 
     def _check_connectivity(self, access_point, ip, should_succeed=True):
diff --git a/tempest/scenario/test_server_basic_ops.py b/tempest/scenario/test_server_basic_ops.py
index 239e120..6c24d04 100644
--- a/tempest/scenario/test_server_basic_ops.py
+++ b/tempest/scenario/test_server_basic_ops.py
@@ -69,10 +69,7 @@
                       image=self.image_ref, flavor=self.flavor_ref,
                       ssh=self.run_ssh, ssh_user=self.ssh_user))
 
-    def add_keypair(self):
-        self.keypair = self.create_keypair()
-
-    def verify_ssh(self):
+    def verify_ssh(self, keypair):
         if self.run_ssh:
             # Obtain a floating IP
             self.fip = self.create_floating_ip(self.instance)['ip']
@@ -80,7 +77,7 @@
             self.ssh_client = self.get_remote_client(
                 server_or_ip=self.fip,
                 username=self.image_utils.ssh_user(self.image_ref),
-                private_key=self.keypair['private_key'])
+                private_key=keypair['private_key'])
 
     def verify_metadata(self):
         if self.run_ssh and CONF.compute_feature_enabled.metadata_service:
@@ -123,19 +120,19 @@
     @test.attr(type='smoke')
     @test.services('compute', 'network')
     def test_server_basicops(self):
-        self.add_keypair()
+        keypair = self.create_keypair()
         self.security_group = self._create_security_group()
         security_groups = [{'name': self.security_group['name']}]
         self.md = {'meta1': 'data1', 'meta2': 'data2', 'metaN': 'dataN'}
         self.instance = self.create_server(
             image_id=self.image_ref,
             flavor=self.flavor_ref,
-            key_name=self.keypair['name'],
+            key_name=keypair['name'],
             security_groups=security_groups,
             config_drive=CONF.compute_feature_enabled.config_drive,
             metadata=self.md,
             wait_until='ACTIVE')
-        self.verify_ssh()
+        self.verify_ssh(keypair)
         self.verify_metadata()
         self.verify_metadata_on_config_drive()
         self.servers_client.delete_server(self.instance['id'])
diff --git a/tempest/scenario/test_stamp_pattern.py b/tempest/scenario/test_stamp_pattern.py
index 8183ce3..f88fb14 100644
--- a/tempest/scenario/test_stamp_pattern.py
+++ b/tempest/scenario/test_stamp_pattern.py
@@ -60,10 +60,6 @@
         if not CONF.volume_feature_enabled.snapshot:
             raise cls.skipException("Cinder volume snapshots are disabled")
 
-    def _wait_for_volume_snapshot_status(self, volume_snapshot, status):
-        self.snapshots_client.wait_for_snapshot_status(volume_snapshot['id'],
-                                                       status)
-
     def _create_volume_snapshot(self, volume):
         snapshot_name = data_utils.rand_name('scenario-snapshot')
         snapshot = self.snapshots_client.create_snapshot(
@@ -78,29 +74,12 @@
             except lib_exc.NotFound:
                 pass
         self.addCleanup(cleaner)
-        self._wait_for_volume_status(volume, 'available')
+        self.volumes_client.wait_for_volume_status(volume['id'], 'available')
         self.snapshots_client.wait_for_snapshot_status(snapshot['id'],
                                                        'available')
         self.assertEqual(snapshot_name, snapshot['display_name'])
         return snapshot
 
-    def _wait_for_volume_status(self, volume, status):
-        self.volumes_client.wait_for_volume_status(volume['id'], status)
-
-    def _create_volume(self, snapshot_id=None):
-        return self.create_volume(snapshot_id=snapshot_id)
-
-    def _attach_volume(self, server, volume):
-        attached_volume = self.servers_client.attach_volume(
-            server['id'], volumeId=volume['id'], device='/dev/%s'
-            % CONF.compute.volume_device_name)['volumeAttachment']
-        self.assertEqual(volume['id'], attached_volume['id'])
-        self._wait_for_volume_status(attached_volume, 'in-use')
-
-    def _detach_volume(self, server, volume):
-        self.servers_client.detach_volume(server['id'], volume['id'])
-        self._wait_for_volume_status(volume, 'available')
-
     def _wait_for_volume_available_on_the_system(self, server_or_ip,
                                                  private_key):
         ssh = self.get_remote_client(server_or_ip, private_key=private_key)
@@ -126,7 +105,7 @@
         security_group = self._create_security_group()
 
         # boot an instance and create a timestamp file in it
-        volume = self._create_volume()
+        volume = self.create_volume()
         server = self.create_server(
             image_id=CONF.compute.image_ref,
             key_name=keypair['name'],
@@ -136,13 +115,13 @@
         # create and add floating IP to server1
         ip_for_server = self.get_server_or_ip(server)
 
-        self._attach_volume(server, volume)
+        self.nova_volume_attach(server, volume)
         self._wait_for_volume_available_on_the_system(ip_for_server,
                                                       keypair['private_key'])
         timestamp = self.create_timestamp(ip_for_server,
                                           CONF.compute.volume_device_name,
                                           private_key=keypair['private_key'])
-        self._detach_volume(server, volume)
+        self.nova_volume_detach(server, volume)
 
         # snapshot the volume
         volume_snapshot = self._create_volume_snapshot(volume)
@@ -151,7 +130,7 @@
         snapshot_image = self.create_server_snapshot(server=server)
 
         # create second volume from the snapshot(volume2)
-        volume_from_snapshot = self._create_volume(
+        volume_from_snapshot = self.create_volume(
             snapshot_id=volume_snapshot['id'])
 
         # boot second instance from the snapshot(instance2)
@@ -164,7 +143,7 @@
         ip_for_snapshot = self.get_server_or_ip(server_from_snapshot)
 
         # attach volume2 to instance2
-        self._attach_volume(server_from_snapshot, volume_from_snapshot)
+        self.nova_volume_attach(server_from_snapshot, volume_from_snapshot)
         self._wait_for_volume_available_on_the_system(ip_for_snapshot,
                                                       keypair['private_key'])
 
diff --git a/tempest/services/base_microversion_client.py b/tempest/services/base_microversion_client.py
new file mode 100644
index 0000000..4c750f5
--- /dev/null
+++ b/tempest/services/base_microversion_client.py
@@ -0,0 +1,54 @@
+# Copyright 2016 NEC Corporation.  All rights reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+from tempest_lib.common import rest_client
+
+
+class BaseMicroversionClient(rest_client.RestClient):
+    """Base class to support microversion in service clients
+
+    This class is used to support microversion in service clients.
+    This provides feature to make API request with microversion.
+    Service clients derived from this class will be able to send API
+    request to server with or without microversion.
+    If api_microversion is not set on service client then API request will be
+    normal request without microversion.
+
+    """
+    def __init__(self, auth_provider, service, region,
+                 api_microversion_header_name, **kwargs):
+        """Base Microversion Client __init__
+
+        :param auth_provider: an auth provider object used to wrap requests in
+                              auth
+        :param str service: The service name to use for the catalog lookup
+        :param str region: The region to use for the catalog lookup
+        :param str api_microversion_header_name: The microversion header name
+                                                 to use for sending API
+                                                 request with microversion
+        :param kwargs: kwargs required by rest_client.RestClient
+        """
+        super(BaseMicroversionClient, self).__init__(
+            auth_provider, service, region, **kwargs)
+        self.api_microversion_header_name = api_microversion_header_name
+        self.api_microversion = None
+
+    def get_headers(self):
+        headers = super(BaseMicroversionClient, self).get_headers()
+        if self.api_microversion:
+            headers[self.api_microversion_header_name] = self.api_microversion
+        return headers
+
+    def set_api_microversion(self, microversion):
+        self.api_microversion = microversion
diff --git a/tempest/services/compute/json/base.py b/tempest/services/compute/json/base_compute_client.py
similarity index 69%
rename from tempest/services/compute/json/base.py
rename to tempest/services/compute/json/base_compute_client.py
index 40d3056..5349af6 100644
--- a/tempest/services/compute/json/base.py
+++ b/tempest/services/compute/json/base_compute_client.py
@@ -12,23 +12,31 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from tempest_lib.common import rest_client
-
 from tempest.common import api_version_request
+from tempest.common import api_version_utils
 from tempest import exceptions
+from tempest.services import base_microversion_client
 
 
-class BaseComputeClient(rest_client.RestClient):
-    api_microversion = None
+class BaseComputeClient(base_microversion_client.BaseMicroversionClient):
 
-    def get_headers(self):
-        headers = super(BaseComputeClient, self).get_headers()
-        if self.api_microversion:
-            headers['X-OpenStack-Nova-API-Version'] = self.api_microversion
-        return headers
+    def __init__(self, auth_provider, service, region,
+                 api_microversion_header_name='X-OpenStack-Nova-API-Version',
+                 **kwargs):
+        super(BaseComputeClient, self).__init__(
+            auth_provider, service, region,
+            api_microversion_header_name, **kwargs)
 
-    def set_api_microversion(self, microversion):
-        self.api_microversion = microversion
+    def request(self, method, url, extra_headers=False, headers=None,
+                body=None):
+        resp, resp_body = super(BaseComputeClient, self).request(
+            method, url, extra_headers, headers, body)
+        if self.api_microversion and self.api_microversion != 'latest':
+            api_version_utils.assert_version_header_matches_request(
+                self.api_microversion_header_name,
+                self.api_microversion,
+                resp)
+        return resp, resp_body
 
     def get_schema(self, schema_versions_info):
         """Get JSON schema
diff --git a/tempest/services/compute/json/keypairs_client.py b/tempest/services/compute/json/keypairs_client.py
index e956100..ec9b1e0 100644
--- a/tempest/services/compute/json/keypairs_client.py
+++ b/tempest/services/compute/json/keypairs_client.py
@@ -18,10 +18,10 @@
 from tempest.api_schema.response.compute.v2_1 import keypairs as schemav21
 from tempest.api_schema.response.compute.v2_2 import keypairs as schemav22
 from tempest.common import service_client
-from tempest.services.compute.json import base
+from tempest.services.compute.json import base_compute_client
 
 
-class KeyPairsClient(base.BaseComputeClient):
+class KeyPairsClient(base_compute_client.BaseComputeClient):
 
     schema_versions_info = [{'min': None, 'max': '2.1', 'schema': schemav21},
                             {'min': '2.2', 'max': None, 'schema': schemav22}]
diff --git a/tempest/tests/common/test_api_version_utils.py b/tempest/tests/common/test_api_version_utils.py
index 9f399a2..babf965 100644
--- a/tempest/tests/common/test_api_version_utils.py
+++ b/tempest/tests/common/test_api_version_utils.py
@@ -219,3 +219,31 @@
 
     def test_both_min_version_equal(self):
         self._test_request_version('2.3', '2.3', expected_version='2.3')
+
+
+class TestMicroversionHeaderMatches(base.TestCase):
+
+    def test_header_matches(self):
+        microversion_header_name = 'x-openstack-xyz-api-version'
+        request_microversion = '2.1'
+        test_respose = {microversion_header_name: request_microversion}
+        api_version_utils.assert_version_header_matches_request(
+            microversion_header_name, request_microversion, test_respose)
+
+    def test_header_does_not_match(self):
+        microversion_header_name = 'x-openstack-xyz-api-version'
+        request_microversion = '2.1'
+        test_respose = {microversion_header_name: '2.2'}
+        self.assertRaises(
+            exceptions.InvalidHTTPResponseHeader,
+            api_version_utils.assert_version_header_matches_request,
+            microversion_header_name, request_microversion, test_respose)
+
+    def test_header_not_present(self):
+        microversion_header_name = 'x-openstack-xyz-api-version'
+        request_microversion = '2.1'
+        test_respose = {}
+        self.assertRaises(
+            exceptions.InvalidHTTPResponseHeader,
+            api_version_utils.assert_version_header_matches_request,
+            microversion_header_name, request_microversion, test_respose)
diff --git a/tempest/tests/services/compute/test_base_compute_client.py b/tempest/tests/services/compute/test_base_compute_client.py
index 134fe39..7a55cdb 100644
--- a/tempest/tests/services/compute/test_base_compute_client.py
+++ b/tempest/tests/services/compute/test_base_compute_client.py
@@ -13,64 +13,48 @@
 #    under the License.
 
 import httplib2
-import mock
+from oslotest import mockpatch
 from tempest_lib.common import rest_client
 
 from tempest import exceptions
-from tempest.services.compute.json import base as base_compute_client
+from tempest.services.compute.json import base_compute_client
 from tempest.tests import fake_auth_provider
 from tempest.tests.services.compute import base
 
 
-class TestClientWithoutMicroversionHeader(base.BaseComputeServiceTest):
+class TestMicroversionHeaderCheck(base.BaseComputeServiceTest):
 
     def setUp(self):
-        super(TestClientWithoutMicroversionHeader, self).setUp()
+        super(TestMicroversionHeaderCheck, self).setUp()
         fake_auth = fake_auth_provider.FakeAuthProvider()
         self.client = base_compute_client.BaseComputeClient(
             fake_auth, 'compute', 'regionOne')
+        self.client.set_api_microversion('2.2')
 
-    def test_no_microverion_header(self):
-        header = self.client.get_headers()
-        self.assertNotIn('X-OpenStack-Nova-API-Version', header)
+    def _check_microverion_header_in_response(self, fake_response):
+        def request(*args, **kwargs):
+            return (httplib2.Response(fake_response), {})
 
-    def test_no_microverion_header_in_raw_request(self):
-        def raw_request(*args, **kwargs):
-            self.assertNotIn('X-OpenStack-Nova-API-Version', kwargs['headers'])
-            return (httplib2.Response({'status': 200}), {})
+        self.useFixture(mockpatch.PatchObject(
+            rest_client.RestClient,
+            'request',
+            side_effect=request))
 
-        with mock.patch.object(rest_client.RestClient,
-                               'raw_request') as mock_get:
-            mock_get.side_effect = raw_request
-            self.client.get('fake_url')
+    def test_correct_microverion_in_response(self):
+        fake_response = {self.client.api_microversion_header_name: '2.2'}
+        self._check_microverion_header_in_response(fake_response)
+        self.client.get('fake_url')
 
+    def test_incorrect_microverion_in_response(self):
+        fake_response = {self.client.api_microversion_header_name: '2.3'}
+        self._check_microverion_header_in_response(fake_response)
+        self.assertRaises(exceptions.InvalidHTTPResponseHeader,
+                          self.client.get, 'fake_url')
 
-class TestClientWithMicroversionHeader(base.BaseComputeServiceTest):
-
-    def setUp(self):
-        super(TestClientWithMicroversionHeader, self).setUp()
-        fake_auth = fake_auth_provider.FakeAuthProvider()
-        self.client = base_compute_client.BaseComputeClient(
-            fake_auth, 'compute', 'regionOne')
-        self.client.api_microversion = '2.2'
-
-    def test_microverion_header(self):
-        header = self.client.get_headers()
-        self.assertIn('X-OpenStack-Nova-API-Version', header)
-        self.assertEqual(self.client.api_microversion,
-                         header['X-OpenStack-Nova-API-Version'])
-
-    def test_microverion_header_in_raw_request(self):
-        def raw_request(*args, **kwargs):
-            self.assertIn('X-OpenStack-Nova-API-Version', kwargs['headers'])
-            self.assertEqual(self.client.api_microversion,
-                             kwargs['headers']['X-OpenStack-Nova-API-Version'])
-            return (httplib2.Response({'status': 200}), {})
-
-        with mock.patch.object(rest_client.RestClient,
-                               'raw_request') as mock_get:
-            mock_get.side_effect = raw_request
-            self.client.get('fake_url')
+    def test_no_microverion_header_in_response(self):
+        self._check_microverion_header_in_response({})
+        self.assertRaises(exceptions.InvalidHTTPResponseHeader,
+                          self.client.get, 'fake_url')
 
 
 class DummyServiceClient1(base_compute_client.BaseComputeClient):
diff --git a/tempest/tests/services/test_base_microversion_client.py b/tempest/tests/services/test_base_microversion_client.py
new file mode 100644
index 0000000..11b8170
--- /dev/null
+++ b/tempest/tests/services/test_base_microversion_client.py
@@ -0,0 +1,75 @@
+# Copyright 2016 NEC Corporation.  All rights reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import httplib2
+import mock
+from tempest_lib.common import rest_client
+
+from tempest.services import base_microversion_client
+from tempest.tests import fake_auth_provider
+from tempest.tests.services.compute import base
+
+
+class TestClientWithoutMicroversionHeader(base.BaseComputeServiceTest):
+
+    def setUp(self):
+        super(TestClientWithoutMicroversionHeader, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = base_microversion_client.BaseMicroversionClient(
+            fake_auth, 'compute', 'regionOne', 'X-OpenStack-Nova-API-Version')
+
+    def test_no_microverion_header(self):
+        header = self.client.get_headers()
+        self.assertNotIn(self.client.api_microversion_header_name, header)
+
+    def test_no_microverion_header_in_raw_request(self):
+        def raw_request(*args, **kwargs):
+            self.assertNotIn(self.client.api_microversion_header_name,
+                             kwargs['headers'])
+            return (httplib2.Response({'status': 200}), {})
+
+        with mock.patch.object(rest_client.RestClient,
+                               'raw_request') as mock_get:
+            mock_get.side_effect = raw_request
+            self.client.get('fake_url')
+
+
+class TestClientWithMicroversionHeader(base.BaseComputeServiceTest):
+
+    def setUp(self):
+        super(TestClientWithMicroversionHeader, self).setUp()
+        fake_auth = fake_auth_provider.FakeAuthProvider()
+        self.client = base_microversion_client.BaseMicroversionClient(
+            fake_auth, 'compute', 'regionOne', 'X-OpenStack-Nova-API-Version')
+        self.client.set_api_microversion('2.2')
+
+    def test_microverion_header(self):
+        header = self.client.get_headers()
+        self.assertIn(self.client.api_microversion_header_name, header)
+        self.assertEqual(self.client.api_microversion,
+                         header[self.client.api_microversion_header_name])
+
+    def test_microverion_header_in_raw_request(self):
+        def raw_request(*args, **kwargs):
+            self.assertIn(self.client.api_microversion_header_name,
+                          kwargs['headers'])
+            self.assertEqual(
+                self.client.api_microversion,
+                kwargs['headers'][self.client.api_microversion_header_name])
+            return (httplib2.Response({'status': 200}), {})
+
+        with mock.patch.object(rest_client.RestClient,
+                               'raw_request') as mock_get:
+            mock_get.side_effect = raw_request
+            self.client.get('fake_url')
diff --git a/tools/check_logs.py b/tools/check_logs.py
index 9b707b0..fa7129d 100755
--- a/tools/check_logs.py
+++ b/tools/check_logs.py
@@ -105,7 +105,7 @@
 def main(opts):
     if opts.directory and opts.url or not (opts.directory or opts.url):
         print("Must provide exactly one of -d or -u")
-        exit(1)
+        return 1
     print("Checking logs...")
     WHITELIST_FILE = os.path.join(
         os.path.abspath(os.path.dirname(os.path.dirname(__file__))),