[pinpoint] Gerrit patch support.

dashboard/dashboard/services/gerrit_service_test.py

+# Copyright 2017 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 unittest
+
+import mock
+
+from dashboard.services import gerrit_service
+
+
+class _SwarmingTest(unittest.TestCase):
+
+  def setUp(self):
+    patcher = mock.patch('dashboard.services.request.RequestJson')
+    self._request_json = patcher.start()
+    self.addCleanup(patcher.stop)
+
+    self._request_json.return_value = {'content': {}}
+
+  def _AssertCorrectResponse(self, content):
+    self.assertEqual(content, {'content': {}})
+
+  def _AssertRequestMadeOnce(self, url, *args, **kwargs):
+    self._request_json.assert_called_once_with(url, *args, **kwargs)
+
+  def testGetChange(self):
+    server = 'https://chromium-review.googlesource.com'
+    response = gerrit_service.GetChange(server, 672011)
+    self._AssertCorrectResponse(response)
+    self._AssertRequestMadeOnce(server + '/changes/672011', o=None)
+
+  def testGetChangeWithFields(self):
+    server = 'https://chromium-review.googlesource.com'
+    response = gerrit_service.GetChange(server, 672011, fields=('FIELD_NAME',))
+    self._AssertCorrectResponse(response)
+    self._AssertRequestMadeOnce(server + '/changes/672011', o=('FIELD_NAME',))