Add a --json option to git cl try-results.

tests/git_cl_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Unit tests for git_cl.py."""
 
 import os
 import StringIO
 import stat
@@ skipping 1466 matching lines @@
     self.assertIsNone(cl.EnsureAuthenticated(force=False))
 
   def test_gerrit_ensure_authenticated_conflict(self):
     self.mock(git_cl.sys, 'stdout', StringIO.StringIO())
     cl = self._test_gerrit_ensure_authenticated_common(auth={
       'chromium.googlesource.com': 'one',
       'chromium-review.googlesource.com': 'other',
     })
     self.calls.append(
         ((['ask_for_data', 'If you know what you are doing, '
-                                                                                                 'press Enter to continue, Ctrl+C to abort.'],), ''))
+                           'press Enter to continue, Ctrl+C to abort.'],), ''))
     self.assertIsNone(cl.EnsureAuthenticated(force=False))
 
   def test_gerrit_ensure_authenticated_ok(self):
     cl = self._test_gerrit_ensure_authenticated_common(auth={
       'chromium.googlesource.com': 'same',
       'chromium-review.googlesource.com': 'same',
     })
     self.assertIsNone(cl.EnsureAuthenticated(force=False))
 
   def test_gerrit_ensure_authenticated_skipped(self):
@@ skipping 345 matching lines @@
         ((['DoGetTrySlaves'], ), None),
         ((['SetCQState', git_cl._CQState.DRY_RUN], ), None),
     ]
     out = StringIO.StringIO()
     self.mock(git_cl.sys, 'stdout', out)
     self.assertEqual(0, git_cl.main(['try']))
     self.assertEqual(
         out.getvalue(),
         'scheduled CQ Dry Run on https://codereview.chromium.org/123\n')
 
+  def test_write_try_results_json(self):
+    builds = {
+        '9000': {
+            'id': '9000',
+            'status': 'STARTED',
+            'url': 'http://build.cr.org/p/x.y/builders/my-builder/builds/2',
+            'result_details_json': '{"properties": {}}',
+            'bucket': 'master.x.y',
+            'created_by': 'user:someone@chromium.org',
+            'created_ts': '147200002222000',
+            'parameters_json': '{"builder_name": "my-builder", "category": ""}',
+        },
+        '8000': {
+            'id': '8000',
+            'status': 'COMPLETED',
+            'result': 'FAILURE',
+            'failure_reason': 'BUILD_FAILURE',
+            'url': 'http://build.cr.org/p/x.y/builders/my-builder/builds/1',
+            'result_details_json': '{"properties": {}}',
+            'bucket': 'master.x.y',
+            'created_by': 'user:someone@chromium.org',
+            'created_ts': '147200001111000',
+            'parameters_json': '{"builder_name": "my-builder", "category": ""}',
+        },
+    }
+    expected_output = [
+        {
+            'buildbucket_id': '8000',
+            'bucket': 'master.x.y',
+            'builder_name': 'my-builder',
+            'status': 'COMPLETED',
+            'result': 'FAILURE',
+            'failure_reason': 'BUILD_FAILURE',
+            'url': 'http://build.cr.org/p/x.y/builders/my-builder/builds/1',
+        },
+        {
+            'buildbucket_id': '9000',
+            'bucket': 'master.x.y',
+            'builder_name': 'my-builder',
+            'status': 'STARTED',
+            'result': None,
+            'failure_reason': None,
+            'url': 'http://build.cr.org/p/x.y/builders/my-builder/builds/2',
+        }
+    ]
+    self.calls = [(('write_json', 'output.json', expected_output), '')]
+    git_cl.write_try_results_json('output.json', builds)
+
   def _common_GerritCommitMsgHookCheck(self):
     self.mock(git_cl.sys, 'stdout', StringIO.StringIO())
     self.mock(git_cl.os.path, 'abspath',
               lambda path: self._mocked_call(['abspath', path]))
     self.mock(git_cl.os.path, 'exists',
               lambda path: self._mocked_call(['exists', path]))
     self.mock(git_cl.gclient_utils, 'FileRead',
               lambda path: self._mocked_call(['FileRead', path]))
     self.mock(git_cl.gclient_utils, 'rm_file_or_tree',
               lambda path: self._mocked_call(['rm_file_or_tree', path]))
@@ skipping 46 matching lines @@
       'current_revision': 'deadbeaf',
     }
     cl._codereview_impl.SubmitIssue = lambda wait_for_merge: None
     self.assertEqual(0, cl.CMDLand(force=True, bypass_hooks=True, verbose=True))
 
 
 if __name__ == '__main__':
   git_cl.logging.basicConfig(
       level=git_cl.logging.DEBUG if '-v' in sys.argv else git_cl.logging.ERROR)
   unittest.main()