swarmbucket: add support for blamelist

appengine/cr-buildbucket/swarming/test/swarming_test.py

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import base64
 import contextlib
 import datetime
 import json
 
 from components import auth
@@ skipping 128 matching lines @@
     build = model.Build(
       bucket='bucket',
       tags=['builder:builder'],
       parameters={
         'builder_name': 'builder',
         'swarming': {
           'recipe': {'revision': 'badcoffee'},
         },
         'properties': {
           'a': 'b',
-        }
+        },
+        'changes': [{
+          'author': {'email': 'bob@example.com'},
+        }]
       },
     )
 
     self.mock(net, 'json_request_async', mock.Mock(return_value=futuristic({
       'task_id': 'deadbeef',
       'request': {
         'properties': {
           'dimensions': [
             {'key': 'cores', 'value': '8'},
             {'key': 'os', 'value': 'Linux'},
@@ skipping 42 matching lines @@
           'namespace': 'default-gzip',
           'isolated': 'cbacbdcbabcd'
         },
         'extra_args': [
           'cook',
           '-repository', 'https://example.com/repo',
           '-revision', 'badcoffee',
           '-recipe', 'recipe',
           '-properties', json.dumps({
             'a': 'b',
+            'blamelist': ['bob@example.com'],
             'buildername': 'builder',
             'predefined-property': 'x',
           }, sort_keys=True)
         ],
         'dimensions': sorted([
           {'key': 'cores', 'value': '8'},
           {'key': 'os', 'value': 'Linux'},
           {'key': 'pool', 'value': 'Chrome'},
         ]),
       },
@@ skipping 349 matching lines @@
     self.assertEqual(build.status, model.BuildStatus.COMPLETED)
     self.assertEqual(build.result, model.BuildResult.FAILURE)
     self.assertEqual(build.failure_reason, model.FailureReason.INFRA_FAILURE)
     self.assertIsNotNone(build.result_details)
     self.assertIsNone(build.lease_key)
     self.assertIsNotNone(build.complete_time)
 
 
 def b64json(data):
   return base64.b64encode(json.dumps(data))