Add automatic tag script.

tools/push-to-trunk/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 34 matching lines @@
 import chromium_roll
 from chromium_roll import CHROMIUM
 from chromium_roll import DEPS_FILE
 from chromium_roll import ChromiumRoll
 import releases
 from releases import Releases
 import bump_up_version
 from bump_up_version import BumpUpVersion
 from bump_up_version import LastChangeBailout
 from bump_up_version import LKGRVersionUpToDateBailout
+from auto_tag import AutoTag
 
 
 TEST_CONFIG = {
   BRANCHNAME: "test-prepare-push",
   TRUNKBRANCH: "test-trunk-push",
   PERSISTFILE_BASENAME: "/tmp/test-v8-push-to-trunk-tempfile",
   DOT_GIT_LOCATION: None,
   VERSION_FILE: None,
   CHANGELOG_FILE: None,
   CHANGELOG_ENTRY_FILE: "/tmp/test-v8-push-to-trunk-tempfile-changelog-entry",
@@ skipping 329 matching lines @@
     # TODO(machenbach): Use a mock for this and add a test that stops rolling
     # due to clustefuzz results.
     return []
 
   def Sleep(self, seconds):
     pass
 
   def GetDate(self):
     return "1999-07-31"
 
+  def GetUTCStamp(self):
+    return "100000"
+
   def ExpectGit(self, *args):
     """Convenience wrapper."""
     self._git_mock.Expect(*args)
 
   def ExpectReadline(self, *args):
     """Convenience wrapper."""
     self._rl_mock.Expect(*args)
 
   def ExpectReadURL(self, *args):
     """Convenience wrapper."""
@@ skipping 902 matching lines @@
     ])
 
     self.ExpectReadURL([
       URL("https://v8-status.appspot.com/lkgr", "12345"),
       URL("https://v8-status.appspot.com/current?format=json",
           "{\"message\": \"Tree is open\"}"),
     ])
 
     BumpUpVersion(TEST_CONFIG, self).Run(["-a", "author@chromium.org"])
 
+  def testAutoTag(self):
+    TEST_CONFIG[VERSION_FILE] = self.MakeEmptyTempFile()
+    self.WriteFakeVersionFile()
+
+    def ResetVersion(minor, build, patch=0):
+      return lambda: self.WriteFakeVersionFile(minor=minor,
+                                               build=build,
+                                               patch=patch)
+
+    self.ExpectGit([
+      Git("status -s -uno", ""),
+      Git("status -s -b -uno", "## some_branch\n"),
+      Git("svn fetch", ""),
+      Git("branch", "  branch1\n* branch2\n"),
+      Git("checkout -f master", ""),
+      Git("svn rebase", ""),
+      Git("checkout -b %s" % TEST_CONFIG[BRANCHNAME], "",
+          cb=ResetVersion(4, 5)),
+      Git("branch -r", "svn/tags/3.4.2\nsvn/tags/3.2.1.0\nsvn/branches/3.4"),
+      Git("log --format=%H --grep=\"\\[Auto\\-roll\\] Bump up version to\"",
+          "hash125\nhash118\nhash111\nhash101"),
+      Git("checkout -f hash125 -- %s" % TEST_CONFIG[VERSION_FILE], "",
+          cb=ResetVersion(4, 4)),
+      Git("checkout -f HEAD -- %s" % TEST_CONFIG[VERSION_FILE], "",
+          cb=ResetVersion(4, 5)),
+      Git("checkout -f hash118 -- %s" % TEST_CONFIG[VERSION_FILE], "",
+          cb=ResetVersion(4, 3)),
+      Git("checkout -f HEAD -- %s" % TEST_CONFIG[VERSION_FILE], "",
+          cb=ResetVersion(4, 5)),
+      Git("checkout -f hash111 -- %s" % TEST_CONFIG[VERSION_FILE], "",
+          cb=ResetVersion(4, 2)),
+      Git("checkout -f HEAD -- %s" % TEST_CONFIG[VERSION_FILE], "",
+          cb=ResetVersion(4, 5)),
+      Git("svn find-rev hash118", "118"),
+      Git("svn find-rev hash125", "125"),
+      Git("svn find-rev r123", "hash123"),
+      Git("log -1 --format=%at hash123", "1"),
+      Git("reset --hard hash123", ""),
+      Git("svn tag 3.4.3 -m \"Tagging version 3.4.3\"", ""),
+      Git("checkout -f some_branch", ""),
+      Git("branch -D %s" % TEST_CONFIG[BRANCHNAME], ""),
+    ])
+
+    self.ExpectReadURL([
+      URL("https://v8-status.appspot.com/revisions?format=json",
+          "[{\"revision\": \"123\", \"status\": true},"
+           "{\"revision\": \"112\", \"status\": true}]"),
+    ])
+
+    AutoTag(TEST_CONFIG, self).Run(["-a", "author@chromium.org"])
+
   # Test that we bail out if the last change was a version change.
   def testBumpUpVersionBailout1(self):
     TEST_CONFIG[VERSION_FILE] = self.MakeEmptyTempFile()
     self._state["latest"] = "latest_hash"
 
     self.ExpectGit([
       Git("diff --name-only latest_hash latest_hash^",
           TEST_CONFIG[VERSION_FILE]),
     ])
 
@@ skipping 42 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)