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
@@ -15,7 +15,7 @@ from django.test import TestCase
 from conntrackt.models import Project, Location, Entity, Interface, Communication
 
 from conntrackt.views import IndexView
-from conntrackt.views import entity_iptables, project_iptables
+from conntrackt.views import entity_iptables, project_iptables, project_diagram
 
 from conntrackt.views import ProjectView, ProjectCreateView, ProjectUpdateView, ProjectDeleteView
 from conntrackt.views import LocationCreateView, LocationUpdateView, LocationDeleteView
@@ -1332,3 +1332,53 @@ class CommunicationDeleteViewTest(Permis
         response = view(request, pk=1)
 
         self.assertEqual(response["Location"], reverse("entity", args=(communication.source.entity.pk,)))
+
+
+class ProjectDiagramTest(PermissionTestMixin, TestCase):
+
+    fixtures = ['test-data.json']
+
+    view_function = staticmethod(project_diagram)
+    sufficient_permissions = ("view",)
+    permission_test_view_kwargs = {"pk": "1"}
+
+    def test_invalid_project(self):
+        """
+        Tests if a 404 is returned if no project was found (invalid ID).
+        """
+
+        # Set-up a request.
+        request = create_get_request()
+
+        # Get the view.
+        view = project_diagram
+
+        # Validate the response.
+        self.assertRaises(Http404, view, request, pk=200)
+
+    def test_content_type(self):
+        """
+        Test if correct content type is being returned by the response.
+        """
+
+        # Get the view.
+        view = project_diagram
+
+        # Get the response.
+        response = generate_get_response(view, pk=1)
+
+        self.assertEqual(response['Content-Type'], "image/svg+xml")
+
+    def test_content(self):
+        """
+        Tests content produced by the view.
+        """
+
+        # Get the view.
+        view = project_diagram
+
+        # Get the response.
+        response = generate_get_response(view, pk=1)
+
+        self.assertContains(response, '"-//W3C//DTD SVG 1.1//EN"')
+        self.assertContains(response, "Test Project 1")