Fixed #449 -- deis releases:info honors specified version.

Author: mboersma

api/tests/test_release.py

@@ -120,6 +120,14 @@ def test_release(self):
         self.assertIn('PATH', config3_values)
         self.assertEqual(
             config3_values['PATH'], 'bin:/usr/local/bin:/usr/bin:/bin')
+        # check that we can fetch a previous release
+        url = '/api/apps/{app_id}/releases/2'.format(**locals())
+        response = self.client.get(url)
+        self.assertEqual(response.status_code, 200)
+        release2 = response.data
+        self.assertNotEqual(release2['uuid'], release3['uuid'])
+        self.assertNotEqual(release2['build'], release3['build'])
+        self.assertEquals(release2['version'], 2)
         # disallow post/put/patch/delete
         url = '/api/apps/{app_id}/releases'.format(**locals())
         self.assertEqual(self.client.post(url).status_code, 405)

api/views.py

@@ -587,6 +587,10 @@ class AppReleaseViewSet(BaseAppViewSet):
     model = models.Release
     serializer_class = serializers.ReleaseSerializer
 
+    def get_object(self, *args, **kwargs):
+        """Get Release by version always."""
+        return self.get_queryset(**kwargs).get(version=self.kwargs['version'])
+
 
 class AppContainerViewSet(OwnerViewSet):
     """RESTful views for :class:`~api.models.Container`."""