diff --git a/tempest/tests/common/test_service_clients.py b/tempest/tests/common/test_service_clients.py
new file mode 100644
index 0000000..fc73c18
--- /dev/null
+++ b/tempest/tests/common/test_service_clients.py
@@ -0,0 +1,102 @@
+# Copyright 2015 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 mock
+import random
+import six
+
+from tempest.services.compute.json import agents_client
+from tempest.services.compute.json import aggregates_client
+from tempest.services.compute.json import availability_zone_client
+from tempest.services.compute.json import certificates_client
+from tempest.services.compute.json import extensions_client
+from tempest.services.compute.json import fixed_ips_client
+from tempest.services.compute.json import flavors_client
+from tempest.services.compute.json import floating_ips_client
+from tempest.services.compute.json import hosts_client
+from tempest.services.compute.json import hypervisor_client
+from tempest.services.compute.json import images_client
+from tempest.services.compute.json import instance_usage_audit_log_client
+from tempest.services.compute.json import interfaces_client
+from tempest.services.compute.json import keypairs_client
+from tempest.services.compute.json import limits_client
+from tempest.services.compute.json import migrations_client
+from tempest.services.compute.json import networks_client as nova_net_client
+from tempest.services.compute.json import quotas_client
+from tempest.services.compute.json import security_group_default_rules_client \
+    as nova_secgrop_default_client
+from tempest.services.compute.json import security_groups_client
+from tempest.services.compute.json import servers_client
+from tempest.services.compute.json import services_client
+from tempest.services.compute.json import tenant_usages_client
+from tempest.services.compute.json import volumes_extensions_client
+from tempest.services.database.json import flavors_client as db_flavor_client
+from tempest.services.database.json import versions_client as db_version_client
+from tempest.services.network.json import network_client
+from tempest.services.orchestration.json import orchestration_client
+from tempest.tests import base
+
+
+class TestServiceClient(base.TestCase):
+
+    @mock.patch('tempest_lib.common.rest_client.RestClient.__init__')
+    def test_service_client_creations_with_specified_args(self, mock_init):
+        test_clients = [
+            agents_client.AgentsClientJSON,
+            aggregates_client.AggregatesClientJSON,
+            availability_zone_client.AvailabilityZoneClientJSON,
+            certificates_client.CertificatesClientJSON,
+            extensions_client.ExtensionsClientJSON,
+            fixed_ips_client.FixedIPsClientJSON,
+            flavors_client.FlavorsClientJSON,
+            floating_ips_client.FloatingIPsClientJSON,
+            hosts_client.HostsClientJSON,
+            hypervisor_client.HypervisorClientJSON,
+            images_client.ImagesClientJSON,
+            instance_usage_audit_log_client.InstanceUsagesAuditLogClientJSON,
+            interfaces_client.InterfacesClientJSON,
+            keypairs_client.KeyPairsClientJSON,
+            limits_client.LimitsClientJSON,
+            migrations_client.MigrationsClientJSON,
+            nova_net_client.NetworksClientJSON,
+            quotas_client.QuotasClientJSON,
+            quotas_client.QuotaClassesClientJSON,
+            nova_secgrop_default_client.SecurityGroupDefaultRulesClientJSON,
+            security_groups_client.SecurityGroupsClientJSON,
+            servers_client.ServersClientJSON,
+            services_client.ServicesClientJSON,
+            tenant_usages_client.TenantUsagesClientJSON,
+            volumes_extensions_client.VolumesExtensionsClientJSON,
+            db_flavor_client.DatabaseFlavorsClientJSON,
+            db_version_client.DatabaseVersionsClientJSON,
+            network_client.NetworkClientJSON,
+            orchestration_client.OrchestrationClient]
+
+        for client in test_clients:
+            fake_string = six.text_type(random.randint(1, 0x7fffffff))
+            auth = 'auth' + fake_string
+            service = 'service' + fake_string
+            region = 'region' + fake_string
+            params = {
+                'endpoint_type': 'URL' + fake_string,
+                'build_interval': random.randint(1, 100),
+                'build_timeout': random.randint(1, 100),
+                'disable_ssl_certificate_validation':
+                    True if random.randint(0, 1) else False,
+                'ca_certs': None,
+                'trace_requests': 'foo' + fake_string
+            }
+            client(auth, service, region, **params)
+            mock_init.assert_called_once_with(auth, service, region, **params)
+            mock_init.reset_mock()