[damned-lies] Added ability to edit account username

[Claude Paroz <claudep src gnome org>]

commit 4e7cc7118236b8af2423e04804d71727de0d678c
Author: Claude Paroz <claude 2xlibre net>
Date:   Fri Sep 1 21:00:03 2017 +0200

    Added ability to edit account username
    
    Fixes bug #787151.

 people/forms.py |    4 +++-
 people/tests.py |    6 ++++--
 2 files changed, 7 insertions(+), 3 deletions(-)
---
diff --git a/people/forms.py b/people/forms.py
index ff6f5db..6fcebcf 100644
--- a/people/forms.py
+++ b/people/forms.py
@@ -88,10 +88,11 @@ class RegistrationForm(forms.Form):
         send_mail(_('Account activation'), message, to=[email])
         return new_user
 
+
 class DetailForm(forms.ModelForm):
     class Meta:
         model = Person
-        fields = ('first_name', 'last_name', 'email', 'image', 'avatar_service',
+        fields = ('username', 'first_name', 'last_name', 'email', 'image', 'avatar_service',
                   'webpage_url', 'irc_nick', 'bugzilla_account')
 
     def clean_image(self):
@@ -104,6 +105,7 @@ class DetailForm(forms.ModelForm):
                 'width': size[0], 'height': size[1]})
         return url
 
+
 class TeamJoinForm(forms.Form):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
diff --git a/people/tests.py b/people/tests.py
index a1338eb..f194f31 100644
--- a/people/tests.py
+++ b/people/tests.py
@@ -59,11 +59,13 @@ class PeopleTestCase(TestCase):
         response = self.client.get(reverse('person_detail_change'))
         self.assertContains(response, "First name")
         post_data = {
-            'first_name': "Johnny", 'last_name': "Nothing", 'email': 'test02 example org',
+            'username': 'jn2', 'first_name': "Johnny", 'last_name': "Nothing",
+            'email': 'test02 example org',
             'image': '', 'webpage_url': "http://www.example.org/";
         }
         response = self.client.post(reverse('person_detail_change'), post_data)
-        self.pn = Person.objects.get(pk=self.pn.pk)
+        self.pn.refresh_from_db()
+        self.assertEqual(self.pn.username, 'jn2')
         self.assertEqual(self.pn.email, 'test02 example org')
         # bad image url
         post_data['image'] = "http://http://www.example.org/image.jpg";