Revert dropping 'fields' from existence-check GET.

tseaver · tseaver · commit b44aea94188f · 2015-04-06T14:41:21.000-04:00
Per: #794 (comment)
diff --git a/gcloud/pubsub/subscription.py b/gcloud/pubsub/subscription.py
@@ -74,7 +74,8 @@ def exists(self):
         """
         conn = self.topic.connection
         try:
-            conn.api_request(method='GET', path=self.path)
+            conn.api_request(method='GET', path=self.path,
+                             query_params={'fields': 'name'})
         except NotFound:
             return False
         else:
diff --git a/gcloud/pubsub/test_subscription.py b/gcloud/pubsub/test_subscription.py
@@ -95,7 +95,7 @@ def test_exists_miss(self):
         req = conn._requested[0]
         self.assertEqual(req['method'], 'GET')
         self.assertEqual(req['path'], '/%s' % SUB_PATH)
-        self.assertEqual(req.get('query_params'), None)
+        self.assertEqual(req['query_params'], {'fields': 'name'})
 
     def test_exists_hit(self):
         PROJECT = 'PROJECT'
@@ -111,7 +111,7 @@ def test_exists_hit(self):
         req = conn._requested[0]
         self.assertEqual(req['method'], 'GET')
         self.assertEqual(req['path'], '/%s' % SUB_PATH)
-        self.assertEqual(req.get('query_params'), None)
+        self.assertEqual(req['query_params'], {'fields': 'name'})
 
     def test_reload(self):
         PROJECT = 'PROJECT'
