blob: b80e238b686a365918fcb9632cb222267c5bb54c [file] [log] [blame]
# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Presubmit script for ios.
See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
for more details about the presubmit API built into depot_tools.
"""
import os
TODO_PATTERN = r'TO[D]O\(([^\)]*)\)'
CRBUG_PATTERN = r'crbug\.com/\d+$'
ARC_COMPILE_GUARD = [
'#if !defined(__has_feature) || !__has_feature(objc_arc)',
'#error "This file requires ARC support."',
'#endif',
]
def IsSubListOf(needle, hay):
"""Returns whether there is a slice of |hay| equal to |needle|."""
for i, line in enumerate(hay):
if line == needle[0]:
if needle == hay[i:i+len(needle)]:
return True
return False
def _CheckARCCompilationGuard(input_api, output_api):
""" Checks whether new objc files have proper ARC compile guards."""
files_without_headers = []
for f in input_api.AffectedFiles():
if f.Action() != 'A':
continue
_, ext = os.path.splitext(f.LocalPath())
if ext not in ('.m', '.mm'):
continue
if not IsSubListOf(ARC_COMPILE_GUARD, f.NewContents()):
files_without_headers.append(f.LocalPath())
if not files_without_headers:
return []
plural_suffix = '' if len(files_without_headers) == 1 else 's'
error_message = '\n'.join([
'Found new Objective-C implementation file%(plural)s without compile'
' guard%(plural)s. Please use the following compile guard'
':' % {'plural': plural_suffix}
] + ARC_COMPILE_GUARD + files_without_headers) + '\n'
return [output_api.PresubmitError(error_message)]
def _CheckBugInToDo(input_api, output_api):
""" Checks whether TODOs in ios code are identified by a bug number."""
todo_regex = input_api.re.compile(TODO_PATTERN)
crbug_regex = input_api.re.compile(CRBUG_PATTERN)
errors = []
for f in input_api.AffectedFiles():
for line_num, line in f.ChangedContents():
todo_match = todo_regex.search(line)
if not todo_match:
continue
crbug_match = crbug_regex.match(todo_match.group(1))
if not crbug_match:
errors.append('%s:%s' % (f.LocalPath(), line_num))
if not errors:
return []
plural_suffix = '' if len(errors) == 1 else 's'
error_message = '\n'.join([
'Found TO''DO%(plural)s without bug number%(plural)s (expected format is '
'\"TO''DO(crbug.com/######)\":' % {'plural': plural_suffix}
] + errors) + '\n'
return [output_api.PresubmitError(error_message)]
def CheckChangeOnUpload(input_api, output_api):
results = []
results.extend(_CheckBugInToDo(input_api, output_api))
results.extend(_CheckARCCompilationGuard(input_api, output_api))
return results
def PostUploadHook(cl, change, output_api):
"""git cl upload will call this hook after the issue is created/modified.
This hook adds an extra try bot to the CL description in order to run Cronet
and EarlGrey tests in addition to CQ try bots.
"""
# TODO(crbug.com/712733): Remove ios-simulator-cronet once Cronet bots are
# deployed on CQ.
# TODO(crbug.com/782735): Remove ios-simulator-full-configs once EarlGrey
# bots are deployed on CQ.
try_bots = ['luci.chromium.try:ios-simulator-cronet',
'luci.chromium.try:ios-simulator-full-configs']
return output_api.EnsureCQIncludeTrybotsAreAdded(
cl, try_bots, 'Automatically added Cronet and EarlGrey trybots to '
'run tests on CQ.')