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# 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.
#
# Note: running this test requires installing the package python-mock.
# pylint: disable=C0103
# pylint: disable=F0401
import PRESUBMIT
import mock
import os.path
import subprocess
import sys
import unittest
sys.path.append(
os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', '..'))
from PRESUBMIT_test_mocks import MockInputApi
from PRESUBMIT_test_mocks import MockOutputApi
from PRESUBMIT_test_mocks import MockAffectedFile
class Capture(object):
"""Class to capture a call argument that can be tested later on."""
def __init__(self):
self.value = None
def __eq__(self, other):
self.value = other
return True
class PresubmitTest(unittest.TestCase):
@mock.patch('subprocess.Popen')
def testCheckChangeOnUploadWithWebKitAndChromiumFiles(self, _):
"""This verifies that CheckChangeOnUpload will only call check-webkit-style
on WebKit files.
"""
diff_file_webkit_h = ['some diff']
diff_file_chromium_h = ['another diff']
mock_input_api = MockInputApi()
mock_input_api.files = [
MockAffectedFile('FileWebkit.h', diff_file_webkit_h),
MockAffectedFile('file_chromium.h', diff_file_chromium_h)
]
# Access to a protected member _CheckStyle
# pylint: disable=W0212
PRESUBMIT._CheckStyle(mock_input_api, MockOutputApi())
capture = Capture()
# pylint: disable=E1101
subprocess.Popen.assert_called_with(capture, stderr=-1)
self.assertEqual(4, len(capture.value))
self.assertEqual('../../FileWebkit.h', capture.value[3])
@mock.patch('subprocess.Popen')
def testCheckChangeOnUploadWithEmptyAffectedFileList(self, _):
"""This verifies that CheckChangeOnUpload will skip calling
check-webkit-style if the affected file list is empty.
"""
diff_file_chromium1_h = ['some diff']
diff_file_chromium2_h = ['another diff']
mock_input_api = MockInputApi()
mock_input_api.files = [
MockAffectedFile('first_file_chromium.h', diff_file_chromium1_h),
MockAffectedFile('second_file_chromium.h', diff_file_chromium2_h)
]
# Access to a protected member _CheckStyle
# pylint: disable=W0212
PRESUBMIT._CheckStyle(mock_input_api, MockOutputApi())
# pylint: disable=E1101
subprocess.Popen.assert_not_called()
def testCheckPublicHeaderWithBlinkMojo(self):
"""This verifies that _CheckForWrongMojomIncludes detects -blink mojo
headers in public files.
"""
mock_input_api = MockInputApi()
potentially_bad_content = '#include "public/platform/modules/cache_storage.mojom-blink.h"'
mock_input_api.files = [
MockAffectedFile('third_party/WebKit/public/AHeader.h',
[potentially_bad_content], None)
]
# Access to a protected member _CheckForWrongMojomIncludes
# pylint: disable=W0212
errors = PRESUBMIT._CheckForWrongMojomIncludes(mock_input_api,
MockOutputApi())
self.assertEquals(
'Public blink headers using Blink variant mojoms found. ' +
'You must include .mojom-shared.h instead:',
errors[0].message)
def testCheckInternalHeaderWithBlinkMojo(self):
"""This verifies that _CheckForWrongMojomIncludes accepts -blink mojo
headers in blink internal files.
"""
mock_input_api = MockInputApi()
potentially_bad_content = '#include "public/platform/modules/cache_storage.mojom-blink.h"'
mock_input_api.files = [
MockAffectedFile('third_party/WebKit/Source/public/AHeader.h',
[potentially_bad_content], None)
]
# Access to a protected member _CheckForWrongMojomIncludes
# pylint: disable=W0212
errors = PRESUBMIT._CheckForWrongMojomIncludes(mock_input_api,
MockOutputApi())
self.assertEquals([], errors)
class CxxDependencyTest(unittest.TestCase):
allow_list = [
'gfx::ColorSpace',
'gfx::CubicBezier',
'gfx::ICCProfile',
'gfx::ScrollOffset',
'scoped_refptr<base::SingleThreadTaskRunner>',
]
disallow_list = [
'GURL',
'base::Callback<void()>',
'base::OnceCallback<void()>',
'content::RenderFrame',
'gfx::Point',
'gfx::Rect',
'net::IPEndPoint',
'ui::Clipboard',
]
disallow_message = [
]
def runCheck(self, filename, file_contents):
mock_input_api = MockInputApi()
mock_input_api.files = [
MockAffectedFile(filename, file_contents),
]
# Access to a protected member
# pylint: disable=W0212
return PRESUBMIT._CheckForForbiddenChromiumCode(mock_input_api, MockOutputApi())
# References in comments should never be checked.
def testCheckCommentsIgnored(self):
filename = 'third_party/WebKit/Source/core/frame/frame.cc'
for item in self.allow_list:
errors = self.runCheck(filename, ['// %s' % item])
self.assertEqual([], errors)
for item in self.disallow_list:
errors = self.runCheck(filename, ['// %s' % item])
self.assertEqual([], errors)
# core, modules, public, et cetera should all have dependency enforcement.
def testCheckCoreEnforcement(self):
filename = 'third_party/WebKit/Source/core/frame/frame.cc'
for item in self.allow_list:
errors = self.runCheck(filename, ['%s' % item])
self.assertEqual([], errors)
for item in self.disallow_list:
errors = self.runCheck(filename, ['%s' % item])
self.assertEquals(1, len(errors))
self.assertRegexpMatches(
errors[0].message,
r'^[^:]+:\d+ uses disallowed identifier .+$')
def testCheckModulesEnforcement(self):
filename = 'third_party/WebKit/Source/modules/modules_initializer.cc'
for item in self.allow_list:
errors = self.runCheck(filename, ['%s' % item])
self.assertEqual([], errors)
for item in self.disallow_list:
errors = self.runCheck(filename, ['%s' % item])
self.assertEquals(1, len(errors))
self.assertRegexpMatches(
errors[0].message,
r'^[^:]+:\d+ uses disallowed identifier .+$')
def testCheckPublicEnforcement(self):
filename = 'third_party/WebKit/Source/public/platform/WebThread.h'
for item in self.allow_list:
errors = self.runCheck(filename, ['%s' % item])
self.assertEqual([], errors)
for item in self.disallow_list:
errors = self.runCheck(filename, ['%s' % item])
self.assertEquals(1, len(errors))
self.assertRegexpMatches(
errors[0].message,
r'^[^:]+:\d+ uses disallowed identifier .+$')
# platform and controller should be opted out of enforcement, but aren't
# currently checked because the PRESUBMIT test mocks are missing too
# much functionality...
# External module checks should not affect CSS files.
def testCheckCSSIgnored(self):
filename = 'third_party/WebKit/Source/devtools/front_end/timeline/someFile.css'
errors = self.runCheck(filename, ['.toolbar::after { color: pink; }\n'])
self.assertEqual([], errors)
if __name__ == '__main__':
unittest.main()
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