Add initial auto-roll 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 142 matching lines @@
       ["status -s -uno", ""],
       ["status -s -b -uno", "## some_branch"],
       ["svn fetch", ""],
       ["branch", "  branch1\n* %s" % TEST_CONFIG[TEMP_BRANCH]],
       ["branch -D %s" % TEST_CONFIG[TEMP_BRANCH], ""],
       ["checkout -b %s" % TEST_CONFIG[TEMP_BRANCH], ""],
       ["branch", ""],
     ]
     self._rl_recipe = ["Y"]
     self.MakeStep().CommonPrepare()
+    self.MakeStep().PrepareBranch()
     self.assertEquals("some_branch", self.MakeStep().Restore("current_branch"))
 
   def testCommonPrepareNoConfirm(self):
     self._git_recipe = [
       ["status -s -uno", ""],
       ["status -s -b -uno", "## some_branch"],
       ["svn fetch", ""],
       ["branch", "  branch1\n* %s" % TEST_CONFIG[TEMP_BRANCH]],
     ]
     self._rl_recipe = ["n"]
-    self.assertRaises(Exception, self.MakeStep().CommonPrepare)
+    self.MakeStep().CommonPrepare()
+    self.assertRaises(Exception, self.MakeStep().PrepareBranch)
     self.assertEquals("some_branch", self.MakeStep().Restore("current_branch"))
 
   def testCommonPrepareDeleteBranchFailure(self):
     self._git_recipe = [
       ["status -s -uno", ""],
       ["status -s -b -uno", "## some_branch"],
       ["svn fetch", ""],
       ["branch", "  branch1\n* %s" % TEST_CONFIG[TEMP_BRANCH]],
       ["branch -D %s" % TEST_CONFIG[TEMP_BRANCH], None],
     ]
     self._rl_recipe = ["Y"]
-    self.assertRaises(Exception, self.MakeStep().CommonPrepare)
+    self.MakeStep().CommonPrepare()
+    self.assertRaises(Exception, self.MakeStep().PrepareBranch)
     self.assertEquals("some_branch", self.MakeStep().Restore("current_branch"))
 
   def testInitialEnvironmentChecks(self):
     TEST_CONFIG[DOT_GIT_LOCATION] = self.MakeEmptyTempFile()
     os.environ["EDITOR"] = "vi"
     self.MakeStep().InitialEnvironmentChecks()
 
   def testReadAndPersistVersion(self):
     TEST_CONFIG[VERSION_FILE] = self.MakeTempVersionFile()
     step = self.MakeStep()
@@ skipping 225 matching lines @@
       "reviewer@chromium.org",  # Chromium reviewer.
     ]
 
     class Options( object ):
       pass
 
     options = Options()
     options.s = 0
     options.l = None
     options.c = TEST_CONFIG[CHROMIUM]
-    RunScript(TEST_CONFIG, options, self)
+    RunPushToTrunk(TEST_CONFIG, options, self)
 
     deps = FileToText(TEST_CONFIG[DEPS_FILE])
     self.assertTrue(re.search("\"v8_revision\": \"123456\"", deps))
 
     cl = FileToText(TEST_CONFIG[CHANGELOG_FILE])
     self.assertTrue(re.search(r"\d\d\d\d\-\d+\-\d+: Version 3\.22\.5", cl))
     self.assertTrue(re.search(r"        Log text 1", cl))
     self.assertTrue(re.search(r"        \(issue 321\)", cl))
     self.assertTrue(re.search(r"1999\-04\-05: Version 3\.22\.4", cl))
 
     # Note: The version file is on build number 5 again in the end of this test
     # since the git command that merges to the bleeding edge branch is mocked
     # out.