dashboard: Unit test for set master interface

Created a Unit test. It calls set master interface operation on an interface. Assert checks the is_master attribute is True.

circle/dashboard/tests/test_views.py

@@ -29,6 +29,7 @@ from common.tests.celery_mock import MockCeleryMixin
 from dashboard.views import VmAddInterfaceView
 from dashboard.views import VmAddInterfaceView
 from vm.models import Instance, InstanceTemplate, Lease, Node, Trait
 from vm.models import Instance, InstanceTemplate, Lease, Node, Trait
 from vm.operations import (WakeUpOperation, AddInterfaceOperation,
 from vm.operations import (WakeUpOperation, AddInterfaceOperation,
+                           SetMasterInterfaceOperation,
                            AddPortOperation, RemoveInterfaceOperation,
                            AddPortOperation, RemoveInterfaceOperation,
                            DeployOperation, RenameOperation)
                            DeployOperation, RenameOperation)
 from ..models import Profile
 from ..models import Profile
@@ -182,6 +183,24 @@ class VmDetailTest(LoginMixin, MockCeleryMixin, TestCase):
         assert mock_method.called
         assert mock_method.called
         self.assertEqual(inst.interface_set.count(), iface_count - 1)
         self.assertEqual(inst.interface_set.count(), iface_count - 1)
 
 
+    def test_permitted_set_master_interface(self):
+        c = Client()
+        self.login(c, "user1")
+        inst = Instance.objects.get(pk=1)
+        inst.set_level(self.u1, 'owner')
+        inst.add_interface(vlan=Vlan.objects.get(pk=1), user=self.us)
+        inst.status = 'STOPPED'
+        inst.save()
+
+        with patch.object(SetMasterInterfaceOperation, 'async') as mock_method:
+            mock_method.side_effect = inst.set_master_interface
+            response = c.post("/dashboard/vm/1/op/set_master_interface/",
+                              {'interface': 1})
+        self.assertEqual(response.status_code, 302)
+        assert mock_method.called
+        self.assertTrue(inst.interface_set.get(pk=1).is_master)
+        self.assertEqual(inst.interface_set.filter(is_master=True).count(), 1)
+
     def test_unpermitted_network_delete(self):
     def test_unpermitted_network_delete(self):
         c = Client()
         c = Client()
         self.login(c, "user1")
         self.login(c, "user1")