[release] Add monitoring state to auto-roller json output.

tools/release/test_scripts.py

 #!/usr/bin/env python
 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
@@ skipping 1013 matching lines @@
 }
 deps = {
   "src/v8":
     (Var("googlecode_url") % "v8") + "/" + Var("v8_branch") + "@" +
     Var("v8_revision"),
 }
 """
 
   def testChromiumRollUpToDate(self):
     TEST_CONFIG["CHROMIUM"] = self.MakeEmptyTempDirectory()
+    json_output_file = os.path.join(TEST_CONFIG["CHROMIUM"], "out.json")
     TextToFile(self.FAKE_DEPS, os.path.join(TEST_CONFIG["CHROMIUM"], "DEPS"))
     self.Expect([
       Cmd("git fetch origin", ""),
       Cmd("git fetch origin +refs/tags/*:refs/tags/*", ""),
       Cmd("git describe --tags last_roll_hsh", "3.22.4"),
       Cmd("git fetch origin +refs/tags/*:refs/tags/*", ""),
       Cmd("git rev-list --max-age=740800 --tags",
           "bad_tag\nroll_hsh\nhash_123"),
       Cmd("git describe --tags bad_tag", ""),
       Cmd("git describe --tags roll_hsh", "3.22.4"),
       Cmd("git describe --tags hash_123", "3.22.3"),
       Cmd("git describe --tags roll_hsh", "3.22.4"),
       Cmd("git describe --tags hash_123", "3.22.3"),
     ])
 
     result = auto_roll.AutoRoll(TEST_CONFIG, self).Run(
-        AUTO_PUSH_ARGS + ["-c", TEST_CONFIG["CHROMIUM"]])
+        AUTO_PUSH_ARGS + [
+          "-c", TEST_CONFIG["CHROMIUM"],
+          "--json-output", json_output_file])
     self.assertEquals(0, result)
+    json_output = json.loads(FileToText(json_output_file))
+    self.assertEquals("up_to_date", json_output["monitoring_state"])
+
 
   def testChromiumRoll(self):
     # Setup fake directory structures.
     TEST_CONFIG["CHROMIUM"] = self.MakeEmptyTempDirectory()
+    json_output_file = os.path.join(TEST_CONFIG["CHROMIUM"], "out.json")
     TextToFile(self.FAKE_DEPS, os.path.join(TEST_CONFIG["CHROMIUM"], "DEPS"))
     TextToFile("", os.path.join(TEST_CONFIG["CHROMIUM"], ".git"))
     chrome_dir = TEST_CONFIG["CHROMIUM"]
     os.makedirs(os.path.join(chrome_dir, "v8"))
 
     def WriteDeps():
       TextToFile("Some line\n   \"v8_revision\": \"22624\",\n  some line",
                  os.path.join(chrome_dir, "DEPS"))
 
     expectations = [
@@ skipping 23 matching lines @@
            self.ROLL_COMMIT_MSG),
           "", cwd=chrome_dir),
       Cmd("git cl upload --send-mail --email \"author@chromium.org\" -f "
           "--use-commit-queue", "", cwd=chrome_dir),
       Cmd("git checkout -f master", "", cwd=chrome_dir),
       Cmd("git branch -D work-branch", "", cwd=chrome_dir),
     ]
     self.Expect(expectations)
 
     args = ["-a", "author@chromium.org", "-c", chrome_dir,
-            "-r", "reviewer@chromium.org"]
+            "-r", "reviewer@chromium.org", "--json-output", json_output_file]
     auto_roll.AutoRoll(TEST_CONFIG, self).Run(args)
 
     deps = FileToText(os.path.join(chrome_dir, "DEPS"))
     self.assertTrue(re.search("\"v8_revision\": \"22624\"", deps))
 
+    json_output = json.loads(FileToText(json_output_file))
+    self.assertEquals("success", json_output["monitoring_state"])
+
   def testCheckLastPushRecently(self):
     self.Expect([
       Cmd("git fetch origin +refs/tags/*:refs/tags/*", ""),
       Cmd("git tag", self.TAGS),
       Cmd("git log -1 --format=%H 3.22.4", "release_hash\n"),
       Cmd("git log -1 --format=%s release_hash",
           "Version 3.22.4 (based on abc3)\n"),
       Cmd("git log --format=%H abc3..abc123", "\n"),
     ])
 
@@ skipping 421 matching lines @@
 
 Review URL: https://codereview.chromium.org/83173002
 
 ------------------------------------------------------------------------""")
     self.assertEquals(
 """Prepare push to trunk.  Now working on version 3.23.11.
 
 R=danno@chromium.org
 
 Committed: https://code.google.com/p/v8/source/detail?r=17997""", body)