Mock out date call in push-to-trunk script for testability.

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 270 matching lines @@
 
   def ReadLine(self):
     return self._rl_mock.Call()
 
   def ReadURL(self, url):
     return self._url_mock.Call(url)
 
   def Sleep(self, seconds):
     pass
 
+  def GetDate(self):
+    return "1999-07-31"
+
   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 136 matching lines @@
     self.ExpectReadURL([
       ["https://codereview.chromium.org/9876543210/description",
        "Title\n\nBUG=456\nLOG=N\n\n"],
     ])
 
     self.MakeStep().Persist("last_push", "1234")
     self.MakeStep(PrepareChangeLog).Run()
 
     actual_cl = FileToText(TEST_CONFIG[CHANGELOG_ENTRY_FILE])
 
-    # TODO(machenbach): Mock out call to date() in order to make a fixed
-    # comparison here instead of a regexp match.
-    expected_cl = """\\d+\\-\\d+\\-\\d+: Version 3\\.22\\.5
+    expected_cl = """1999-07-31: Version 3.22.5
 
         Title text 1.
 
-        Title text 3 \\(Chromium issue 321\\).
+        Title text 3 (Chromium issue 321).
 
-        Performance and stability improvements on all platforms\\.
+        Performance and stability improvements on all platforms.
 #
-# The change log above is auto-generated\\. Please review if all relevant
-# commit messages from the list below are included\\.
-# All lines starting with # will be stripped\\.
+# The change log above is auto-generated. Please review if all relevant
+# commit messages from the list below are included.
+# All lines starting with # will be stripped.
 #
 #       Title text 1.
-#       \\(author1@chromium\\.org\\)
+#       (author1@chromium.org)
 #
-#       Title text 2 \\(Chromium issue 123\\).
-#       \\(author2@chromium\\.org\\)
+#       Title text 2 (Chromium issue 123).
+#       (author2@chromium.org)
 #
-#       Title text 3 \\(Chromium issue 321\\).
-#       \\(author3@chromium\\.org\\)
+#       Title text 3 (Chromium issue 321).
+#       (author3@chromium.org)
 #
-#       Title text 4 \\(Chromium issue 456\\).
-#       \\(author4@chromium\\.org\\)
+#       Title text 4 (Chromium issue 456).
+#       (author4@chromium.org)
 #
 #"""
 
-    self.assertTrue(re.match(expected_cl, actual_cl))
+    self.assertEquals(expected_cl, actual_cl)
     self.assertEquals("3", self.MakeStep().Restore("major"))
     self.assertEquals("22", self.MakeStep().Restore("minor"))
     self.assertEquals("5", self.MakeStep().Restore("build"))
     self.assertEquals("0", self.MakeStep().Restore("patch"))
 
   def testEditChangeLog(self):
     TEST_CONFIG[CHANGELOG_ENTRY_FILE] = self.MakeEmptyTempFile()
     TEST_CONFIG[CHANGELOG_FILE] = self.MakeEmptyTempFile()
     TextToFile("        Original CL", TEST_CONFIG[CHANGELOG_FILE])
     TextToFile("  New  \n\tLines  \n", TEST_CONFIG[CHANGELOG_ENTRY_FILE])
@@ skipping 246 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)