Source code
Revision control
Copy as Markdown
Other Tools
#!/usr/bin/env python
# Copyright (c) 2013 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""
Make sure binary is relinked when manifest settings are changed.
"""
import TestGyp
import os
import sys
if sys.platform == 'win32':
import pywintypes
import win32api
import winerror
RT_MANIFEST = 24
class LoadLibrary(object):
"""Context manager for loading and releasing binaries in Windows.
Yields the handle of the binary loaded."""
def __init__(self, path):
self._path = path
self._handle = None
def __enter__(self):
self._handle = win32api.LoadLibrary(self._path)
return self._handle
def __exit__(self, type, value, traceback):
win32api.FreeLibrary(self._handle)
def extract_manifest(path, resource_name):
"""Reads manifest from |path| and returns it as a string.
Returns None is there is no such manifest."""
with LoadLibrary(path) as handle:
try:
return win32api.LoadResource(
handle, RT_MANIFEST, resource_name).decode('utf-8', 'ignore')
except pywintypes.error as error:
if error.args[0] == winerror.ERROR_RESOURCE_DATA_NOT_FOUND:
return None
else:
raise
test = TestGyp.TestGyp(formats=['msvs', 'ninja'])
CHDIR = 'linker-flags'
gyp_template = '''
{
'targets': [
{
'target_name': 'test_update_manifest',
'type': 'executable',
'sources': ['hello.cc'],
'msvs_settings': {
'VCLinkerTool': {
'EnableUAC': 'true',
'UACExecutionLevel': '%(uac_execution_level)d',
},
'VCManifestTool': {
'EmbedManifest': 'true',
'AdditionalManifestFiles': '%(additional_manifest_files)s',
},
},
},
],
}
'''
gypfile = 'update-manifest.gyp'
def WriteAndUpdate(uac_execution_level, additional_manifest_files, do_build):
with open(os.path.join(CHDIR, gypfile), 'w') as f:
f.write(gyp_template % {
'uac_execution_level': uac_execution_level,
'additional_manifest_files': additional_manifest_files,
})
test.run_gyp(gypfile, chdir=CHDIR)
if do_build:
test.build(gypfile, chdir=CHDIR)
exe_file = test.built_file_path('test_update_manifest.exe', chdir=CHDIR)
return extract_manifest(exe_file, 1)
manifest = WriteAndUpdate(0, '', True)
test.fail_test('asInvoker' not in manifest)
test.fail_test('35138b9a-5d96-4fbd-8e2d-a2440225f93a' in manifest)
# Make sure that updating .gyp and regenerating doesn't cause a rebuild.
WriteAndUpdate(0, '', False)
test.up_to_date(gypfile, test.ALL, chdir=CHDIR)
# But make sure that changing a manifest property does cause a relink.
manifest = WriteAndUpdate(2, '', True)
test.fail_test('requireAdministrator' not in manifest)
# Adding a manifest causes a rebuild.
manifest = WriteAndUpdate(2, 'extra.manifest', True)
test.fail_test('35138b9a-5d96-4fbd-8e2d-a2440225f93a' not in manifest)