diff --git a/conntrackt/tests/test_views.py b/conntrackt/tests/test_views.py
--- a/conntrackt/tests/test_views.py
+++ b/conntrackt/tests/test_views.py
@@ -10,8 +10,9 @@ from django.test.client import Client
 from django.contrib.auth.models import User, Permission
 
 # Application imports
-from conntrackt.models import Project, Location, Entity
-from conntrackt.views import EntityCreateView, InterfaceCreateView
+from conntrackt.models import Project, Location, Entity, Interface
+from conntrackt.views import EntityCreateView
+from conntrackt.views import InterfaceCreateView, InterfaceUpdateView
 
 
 class ViewTest(TestCase):
@@ -1064,3 +1065,175 @@ class InterfaceCreateViewTest(TestCase):
 
         self.assertDictContainsSubset({"entity": "1"}, initial)
 
+
+class InterfaceUpdateViewTest(TestCase):
+
+    fixtures = ['test-data.json']
+
+    def setUp(self):
+        # Set-up web client.
+        self.client = Client()
+
+        # Set-up users with different view permissions.
+        self.user = {}
+        self.user["fullperms"] = User.objects.create_user("fullperms", "fullperms@example.com", "fullperms")
+        self.user["fullperms"].user_permissions.add(Permission.objects.get(codename="change_interface"))
+        self.user["noperms"] = User.objects.create_user("noperms", "noperms@example.com", "noperms")
+
+    def test_permission_denied(self):
+        """
+        Tests if permission will be denied for client without sufficient privileges.
+        """
+
+        self.client.login(username="noperms", password="noperms")
+
+        response = self.client.get(reverse("interface_update", args=(1,)))
+
+        self.assertContains(response, "You have insufficient privileges to access this resource. Please contact your local system administrator if you believe you should have been granted access.", status_code=403)
+
+    def test_permission_granted(self):
+        """
+        Tests if permission will be granted for user with correct privileges.
+        """
+
+        self.client.login(username="fullperms", password="fullperms")
+
+        response = self.client.get(reverse("interface_update", args=(1,)))
+
+        self.assertEqual(response.status_code, 200)
+
+    def test_content(self):
+        """
+        Tests if the form comes pre-populated with proper content.
+        """
+
+        self.client.login(username="fullperms", password="fullperms")
+
+        response = self.client.get(reverse("interface_update", args=(1,)))
+
+        self.assertContains(response, ">Edit interface eth0<")
+        self.assertContains(response, 'value="eth0"')
+        self.assertContains(response, "Main network interface.")
+
+    def test_form_entity_limit(self):
+        """
+        Tests if the queryset is properly limitted to specific project's
+        entities.
+        """
+
+        # Set-up the view.
+        view = InterfaceUpdateView()
+        view.request = RequestFactory().get("/fake-path/1")
+        view.object = Interface.objects.get(pk=1)
+
+        # Get the form.
+        form = view.get_form(view.get_form_class())
+
+        expected_entities = ["<Entity: Test Entity 1 (Test Project 1 - Test Location 1)>",
+                             "<Entity: Test Entity 2 (Test Project 1 - Test Location 1)>",
+                             "<Entity: Test Entity 3 (Test Project 1 - Test Location 2)>",
+                             "<Entity: Test Subnet (Test Project 1 - Test Location 2)>"]
+
+        self.assertQuerysetEqual(form.fields["entity"].queryset, expected_entities)
+
+    def test_success_url(self):
+        """
+        Validate that the success URL is set properly after update.
+        """
+
+        self.client.login(username="fullperms", password="fullperms")
+
+        interface = Interface.objects.get(pk=1)
+        
+        response = self.client.get(reverse("interface_update", args=(1,)))
+
+        response = self.client.post(reverse("interface_update", args=(1,)),
+                                    {'csrfmiddlewaretoken': response.context['request'].META['CSRF_COOKIE'],
+                                     "name": interface.name,
+                                     "description": interface.name,
+                                     "entity": "1",
+                                     "address": "192.168.1.1",
+                                     "netmask": "255.255.255.255"},
+                                    follow=True)
+
+        self.assertEqual(response.context["request"].META["PATH_INFO"], reverse("entity", args=(1,)))
+
+
+class InterfaceDeleteViewTest(TestCase):
+
+    fixtures = ['test-data.json']
+
+    def setUp(self):
+        # Set-up web client.
+        self.client = Client()
+
+        # Set-up users with different view permissions.
+        self.user = {}
+        self.user["fullperms"] = User.objects.create_user("fullperms", "fullperms@example.com", "fullperms")
+        self.user["fullperms"].user_permissions.add(Permission.objects.get(codename="delete_interface"))
+        self.user["fullperms"].user_permissions.add(Permission.objects.get(codename="view"))
+        self.user["noperms"] = User.objects.create_user("noperms", "noperms@example.com", "noperms")
+
+    def test_permission_denied(self):
+        """
+        Tests if permission will be denied for client without sufficient privileges.
+        """
+
+        self.client.login(username="noperms", password="noperms")
+
+        response = self.client.get(reverse("interface_delete", args=(1,)))
+
+        self.assertContains(response, "You have insufficient privileges to access this resource. Please contact your local system administrator if you believe you should have been granted access.", status_code=403)
+
+    def test_permission_granted(self):
+        """
+        Tests if permission will be granted for user with correct privileges.
+        """
+
+        self.client.login(username="fullperms", password="fullperms")
+
+        response = self.client.get(reverse("interface_delete", args=(1,)))
+
+        self.assertEqual(response.status_code, 200)
+
+    def test_content(self):
+        """
+        Tests if the form comes pre-populated with proper content.
+        """
+
+        self.client.login(username="fullperms", password="fullperms")
+
+        response = self.client.get(reverse("interface_delete", args=(1,)))
+
+        self.assertContains(response, ">Remove interface eth0<")
+        self.assertContains(response, "Are you sure you want to remove this interface?")
+
+    def test_message(self):
+        """
+        Tests if the message gets added when the interface is deleted.
+        """
+
+        self.client.login(username="fullperms", password="fullperms")
+
+        response = self.client.get(reverse("interface_delete", args=(1,)))
+
+        response = self.client.post(reverse("interface_delete", args=(1,)),
+                                    {'csrfmiddlewaretoken': response.context['request'].META['CSRF_COOKIE']},
+                                    follow=True)
+
+        self.assertContains(response, "Interface eth0 has been removed.")
+
+    def test_success_url(self):
+        """
+        Validate that the success URL is set properly after delete.
+        """
+
+        self.client.login(username="fullperms", password="fullperms")
+        
+        response = self.client.get(reverse("interface_delete", args=(1,)))
+
+        response = self.client.post(reverse("interface_delete", args=(1,)),
+                                    {'csrfmiddlewaretoken': response.context['request'].META['CSRF_COOKIE']},
+                                    follow=True)
+
+        self.assertEqual(response.context["request"].META["PATH_INFO"], reverse("entity", args=(1,)))