[Release] Make release scripts aware of packed tags

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 56 matching lines @@
 }
 
 
 AUTO_PUSH_ARGS = [
   "-a", "author@chromium.org",
   "-r", "reviewer@chromium.org",
 ]
 
 
 class ToplevelTest(unittest.TestCase):
+  def testSaniniziteVersionTags(self):
+    self.assertEquals("4.8.230", SanitizeVersionTag("4.8.230"))
+    self.assertEquals("4.8.230", SanitizeVersionTag("tags/4.8.230"))
+    self.assertEquals(None, SanitizeVersionTag("candidate"))
+
+  def testNormalizeVersionTags(self):
+    input = ["4.8.230",
+              "tags/4.8.230",
+              "tags/4.8.224.1",
+              "4.8.224.1",
+              "4.8.223.1",
+              "tags/4.8.223",
+              "tags/4.8.231",
+              "candidates"]
+    expected = ["4.8.230",
+                "4.8.230",
+                "4.8.224.1",
+                "4.8.224.1",
+                "4.8.223.1",
+                "4.8.223",
+                "4.8.231",
+                ]
+    self.assertEquals(expected, NormalizeVersionTags(input))
+
   def testSortBranches(self):
     S = releases.SortBranches
     self.assertEquals(["3.1", "2.25"], S(["2.25", "3.1"])[0:2])
     self.assertEquals(["3.0", "2.25"], S(["2.25", "3.0", "2.24"])[0:2])
     self.assertEquals(["3.11", "3.2"], S(["3.11", "3.2", "2.24"])[0:2])
 
   def testFilterDuplicatesAndReverse(self):
     F = releases.FilterDuplicatesAndReverse
     self.assertEquals([], F([]))
     self.assertEquals([["100", "10"]], F([["100", "10"]]))
@@ skipping 1460 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)