Handle not found domain.

musician/api.py

@@ -2,7 +2,9 @@ import requests
 import urllib.parse
 
 from django.conf import settings
+from django.http import Http404
 from django.urls.exceptions import NoReverseMatch
+from django.utils.translation import gettext_lazy as _
 
 from .models import Domain, DatabaseService, MailService, SaasService, UserAccount
 
@@ -95,7 +97,9 @@ class Orchestra(object):
         path = API_PATHS.get('domain-detail').format_map({'pk': pk})
 
         url = urllib.parse.urljoin(self.base_url, path)
-        status, domain_json = self.request("GET", url=url)
+        status, domain_json = self.request("GET", url=url, raise_exception=False)
+        if status == 404:
+            raise Http404(_("No domain found matching the query"))
         return Domain.new_from_json(domain_json)
 
     def retrieve_domain_list(self):

musician/tests.py

@@ -1,3 +1,14 @@
 from django.test import TestCase
 
-# Create your tests here.
+
+class DomainsTestCase(TestCase):
+    def test_domain_not_found(self):
+        response = self.client.post(
+            '/auth/login/',
+            {'username': 'admin', 'password': 'admin'},
+            follow=True
+        )
+        self.assertEqual(200, response.status_code)
+
+        response = self.client.get('/domains/3/')
+        self.assertEqual(404, response.status_code)

musician/views.py

@@ -1,4 +1,3 @@
-
 from itertools import groupby
 
 from django.core.exceptions import ImproperlyConfigured
@@ -190,18 +189,17 @@ class DomainDetailView(CustomContextMixin, UserTokenRequiredMixin, DetailView):
     template_name = "musician/domain_detail.html"
 
     def get_queryset(self):
-        return []  # self.orchestra.retrieve_domain_list()
+        # Return an empty list to avoid a request to retrieve all the
+        # user domains. We will get a 404 if the domain doesn't exists
+        # while invoking `get_object`
+        return []
 
     def get_object(self, queryset=None):
         if queryset is None:
             queryset = self.get_queryset()
 
         pk = self.kwargs.get(self.pk_url_kwarg)
-        # TODO try to retrieve object capturing exception
-        try:
         domain = self.orchestra.retrieve_domain(pk)
-        except:
-            raise
 
         return domain