chrome/PRESUBMIT.py

   1 # Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 """Presubmit script for changes affecting chrome/
   6
   7 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
   8 for more details about the presubmit API built into gcl.
   9 """
  10
  11 import re
  12
  13 INCLUDE_CPP_FILES_ONLY = (
  14   r'.*\.cc$', r'.*\.h$'
  15 )
  16
  17 EXCLUDE = (
  18   # Objective C confuses everything.
  19   r'.*cocoa.*',
  20   r'.*_mac\.(cc|h)$',
  21   r'.*_mac_.*',
  22   # All the messages files do weird multiple include trickery
  23   r'.*_messages_internal\.h$',
  24   r'render_messages.h$',
  25   # Autogenerated window resources files are off limits
  26   r'.*resource.h$',
  27   # GTK macros in C-ish header code cause false positives
  28   r'gtk_.*\.h$',
  29   # Header trickery
  30   r'.*-inl\.h$',
  31   # Templates
  32   r'sigslotrepeater\.h$',
  33   # GCC attribute trickery
  34   r'sel_main\.cc$',
  35   # Mozilla code
  36   r'mork_reader\.h$',
  37   r'mork_reader\.cc$',
  38   r'nss_decryptor_linux\.cc$',
  39   # Has safe printf usage that cpplint complains about
  40   r'safe_browsing_util\.cc$',
  41   # Bogus ifdef tricks
  42   r'renderer_webkitplatformsupport_impl\.cc$',
  43   # Lines > 100 chars
  44   r'gcapi\.cc$',
  45 )
  46
  47 def _CheckChangeLintsClean(input_api, output_api):
  48   """Makes sure that the chrome/ code is cpplint clean."""
  49   black_list = input_api.DEFAULT_BLACK_LIST + EXCLUDE
  50   sources = lambda x: input_api.FilterSourceFile(
  51     x, white_list=INCLUDE_CPP_FILES_ONLY, black_list=black_list)
  52   return input_api.canned_checks.CheckChangeLintsClean(
  53       input_api, output_api, sources)
  54
  55 def _CheckNoContentUnitTestsInChrome(input_api, output_api):
  56   """Makes sure that no unit tests from content/ are included in unit_tests."""
  57   problems = []
  58   for f in input_api.AffectedFiles():
  59     if not f.LocalPath().endswith('chrome_tests.gypi'):
  60       continue
  61
  62     for line_num, line in f.ChangedContents():
  63       m = re.search(r"'(.*\/content\/.*unittest.*)'", line)
  64       if m:
  65         problems.append(m.group(1))
  66
  67   if not problems:
  68     return []
  69   return [output_api.PresubmitPromptWarning(
  70       'Unit tests located in content/ should be added to the ' +
  71       'content_tests.gypi:content_unittests target.',
  72       items=problems)]
  73
  74 def _CommonChecks(input_api, output_api):
  75   """Checks common to both upload and commit."""
  76   results = []
  77   results.extend(_CheckNoContentUnitTestsInChrome(input_api, output_api))
  78   return results
  79
  80 def CheckChangeOnUpload(input_api, output_api):
  81   results = []
  82   results.extend(_CommonChecks(input_api, output_api))
  83   results.extend(_CheckChangeLintsClean(input_api, output_api))
  84   return results
  85
  86 def CheckChangeOnCommit(input_api, output_api):
  87   results = []
  88   results.extend(_CommonChecks(input_api, output_api))
  89   return results