Create functional test case for NetworkStackFixture

Change-Id: I2bd5b17578c15213dbc5c3fd13e56579e4abd6cc

tobiko/openstack/stacks/neutron/network.yaml

@@ -164,6 +164,10 @@ outputs:
     description: Network ID
     value: {get_resource: network}
 
+  port_security_enabled:
+    description: whenever port security has been enabled on created network
+    value: {get_attr: [network, port_security_enabled]}
+
   ipv4_subnet_id:
     description: IPv4 subnet ID
     value: {get_resource: ipv4_subnet}

tobiko/tests/functional/openstack/test_stacks.py

@@ -18,11 +18,40 @@ from __future__ import absolute_import
 import testtools
 
 import tobiko
+from tobiko.openstack import neutron
 from tobiko.openstack import stacks
 from tobiko.shell import ping
 from tobiko.shell import sh
 
 
+class NetworkTestCase(testtools.TestCase):
+    """Tests network creation"""
+
+    #: Stack of resources with a server attached to a floating IP
+    stack = tobiko.required_setup_fixture(stacks.NetworkStackFixture)
+
+    @property
+    def network_details(self):
+        return neutron.get_neutron_client().show_network(
+            self.stack.network_id)['network']
+
+    @neutron.skip_if_missing_networking_extensions('port-security')
+    def test_port_security_enabled(self):
+        port_security_enabled = self.stack.port_security_enabled
+        self.assertEqual(port_security_enabled,
+                         self.network_details['port_security_enabled'])
+        self.assertEqual(port_security_enabled,
+                         self.stack.outputs.port_security_enabled)
+
+    @neutron.skip_if_missing_networking_extensions('net-mtu')
+    def test_net_mtu(self):
+        self.assertEqual(self.network_details['mtu'], self.stack.outputs.mtu)
+
+    @neutron.skip_if_missing_networking_extensions('net-mtu-write')
+    def test_net_mtu_write(self):
+        self.assertEqual(self.stack.mtu, self.stack.outputs.mtu)
+
+
 class FloatingIpServerTest(testtools.TestCase):
     """Tests connectivity to Nova instances via floating IPs"""