Allow get_tenant_network() for non-primary creds

Within get_tenant_network(), a client manager was always retrieved, but
because no arguments were passed, it always retrieved the client manager
for the primary credentials. The credentials for the tenant network to
retrieve needs to be passed in so the appropriate client manager can be
retrieved.

Change-Id: I1b20259fc4418d722ed4144e156607ec2a667c33
Closes-Bug: #1549381
diff --git a/tempest/test.py b/tempest/test.py
index fe3c770..6ba4962 100644
--- a/tempest/test.py
+++ b/tempest/test.py
@@ -611,13 +611,25 @@
                 'dhcp': dhcp}
 
     @classmethod
-    def get_tenant_network(cls):
+    def get_tenant_network(cls, credentials_type='primary'):
         """Get the network to be used in testing
 
+        :param credentials_type: The type of credentials for which to get the
+                                 tenant network
+
         :return: network dict including 'id' and 'name'
         """
+        # Get a manager for the given credentials_type, but at least
+        # always fall back on getting the manager for primary credentials
+        if isinstance(credentials_type, six.string_types):
+            manager = cls.get_client_manager(credential_type=credentials_type)
+        elif isinstance(credentials_type, list):
+            manager = cls.get_client_manager(roles=credentials_type[1:])
+        else:
+            manager = cls.get_client_manager()
+
         # Make sure cred_provider exists and get a network client
-        networks_client = cls.get_client_manager().compute_networks_client
+        networks_client = manager.compute_networks_client
         cred_provider = cls._get_credentials_provider()
         # In case of nova network, isolated tenants are not able to list the
         # network configured in fixed_network_name, even if they can use it
diff --git a/tempest/tests/test_base_test.py b/tempest/tests/test_base_test.py
new file mode 100644
index 0000000..dc355b4
--- /dev/null
+++ b/tempest/tests/test_base_test.py
@@ -0,0 +1,110 @@
+# Copyright 2016 IBM Corp.
+#
+#    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
+
+from tempest import clients
+from tempest.common import credentials_factory as credentials
+from tempest.common import fixed_network
+from tempest import config
+from tempest import test
+from tempest.tests import base
+from tempest.tests import fake_config
+
+
+class TestBaseTestCase(base.TestCase):
+    def setUp(self):
+        super(TestBaseTestCase, self).setUp()
+        self.useFixture(fake_config.ConfigFixture())
+        self.fixed_network_name = 'fixed-net'
+        config.CONF.compute.fixed_network_name = self.fixed_network_name
+        config.CONF.service_available.neutron = True
+
+    @mock.patch.object(test.BaseTestCase, 'get_client_manager')
+    @mock.patch.object(test.BaseTestCase, '_get_credentials_provider')
+    @mock.patch.object(fixed_network, 'get_tenant_network')
+    def test_get_tenant_network(self, mock_gtn, mock_gprov, mock_gcm):
+        net_client = mock.Mock()
+        mock_prov = mock.Mock()
+        mock_gcm.return_value.compute_networks_client = net_client
+        mock_gprov.return_value = mock_prov
+
+        test.BaseTestCase.get_tenant_network()
+
+        mock_gcm.assert_called_once_with(credential_type='primary')
+        mock_gprov.assert_called_once_with()
+        mock_gtn.assert_called_once_with(mock_prov, net_client,
+                                         self.fixed_network_name)
+
+    @mock.patch.object(test.BaseTestCase, 'get_client_manager')
+    @mock.patch.object(test.BaseTestCase, '_get_credentials_provider')
+    @mock.patch.object(fixed_network, 'get_tenant_network')
+    @mock.patch.object(test.BaseTestCase, 'get_identity_version')
+    @mock.patch.object(credentials, 'is_admin_available')
+    @mock.patch.object(clients, 'Manager')
+    def test_get_tenant_network_with_nova_net(self, mock_man, mock_iaa,
+                                              mock_giv, mock_gtn, mock_gcp,
+                                              mock_gcm):
+        config.CONF.service_available.neutron = False
+        mock_prov = mock.Mock()
+        mock_admin_man = mock.Mock()
+        mock_iaa.return_value = True
+        mock_gcp.return_value = mock_prov
+        mock_man.return_value = mock_admin_man
+
+        test.BaseTestCase.get_tenant_network()
+
+        mock_man.assert_called_once_with(
+            mock_prov.get_admin_creds.return_value)
+        mock_iaa.assert_called_once_with(
+            identity_version=mock_giv.return_value)
+        mock_gcp.assert_called_once_with()
+        mock_gtn.assert_called_once_with(
+            mock_prov, mock_admin_man.compute_networks_client,
+            self.fixed_network_name)
+
+    @mock.patch.object(test.BaseTestCase, 'get_client_manager')
+    @mock.patch.object(test.BaseTestCase, '_get_credentials_provider')
+    @mock.patch.object(fixed_network, 'get_tenant_network')
+    def test_get_tenant_network_with_alt_creds(self, mock_gtn, mock_gprov,
+                                               mock_gcm):
+        net_client = mock.Mock()
+        mock_prov = mock.Mock()
+        mock_gcm.return_value.compute_networks_client = net_client
+        mock_gprov.return_value = mock_prov
+
+        test.BaseTestCase.get_tenant_network(credentials_type='alt')
+
+        mock_gcm.assert_called_once_with(credential_type='alt')
+        mock_gprov.assert_called_once_with()
+        mock_gtn.assert_called_once_with(mock_prov, net_client,
+                                         self.fixed_network_name)
+
+    @mock.patch.object(test.BaseTestCase, 'get_client_manager')
+    @mock.patch.object(test.BaseTestCase, '_get_credentials_provider')
+    @mock.patch.object(fixed_network, 'get_tenant_network')
+    def test_get_tenant_network_with_role_creds(self, mock_gtn, mock_gprov,
+                                                mock_gcm):
+        net_client = mock.Mock()
+        mock_prov = mock.Mock()
+        mock_gcm.return_value.compute_networks_client = net_client
+        mock_gprov.return_value = mock_prov
+        creds = ['foo_type', 'role1']
+
+        test.BaseTestCase.get_tenant_network(credentials_type=creds)
+
+        mock_gcm.assert_called_once_with(roles=['role1'])
+        mock_gprov.assert_called_once_with()
+        mock_gtn.assert_called_once_with(mock_prov, net_client,
+                                         self.fixed_network_name)