gyptest-win-tool-handles-readonly-files.py

Enable keyboard shortcuts

#!/usr/bin/env python

# Copyright (c) 2014 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 overwriting read-only files works as expected (via win-tool).

"""

import TestGyp

import filecmp

import os

import stat

import sys

if sys.platform == 'win32':

  test = TestGyp.TestGyp(formats=['ninja'])

  # First, create the source files.

  os.makedirs('subdir')

  read_only_files = ['read-only-file', 'subdir/A', 'subdir/B', 'subdir/C']

  for f in read_only_files:

    test.write(f, 'source_contents')

    test.chmod(f, stat.S_IREAD)

    if os.access(f, os.W_OK):

      test.fail_test()

  # Second, create the read-only destination files. Note that we are creating

  # them where the ninja and win-tool will try to copy them to, in order to test

  # that copies overwrite the files.

  os.makedirs(test.built_file_path('dest/subdir'))

  for f in read_only_files:

    f = os.path.join('dest', f)

    test.write(test.built_file_path(f), 'SHOULD BE OVERWRITTEN')

    test.chmod(test.built_file_path(f), stat.S_IREAD)

    # Ensure not writable.

    if os.access(test.built_file_path(f), os.W_OK):

      test.fail_test()

  test.run_gyp('copies_readonly_files.gyp')

  test.build('copies_readonly_files.gyp')

  # Check the destination files were overwritten by ninja.

  for f in read_only_files:

    f = os.path.join('dest', f)

    test.must_contain(test.built_file_path(f), 'source_contents')

  # This will fail if the files are not the same mode or contents.

  for f in read_only_files:

    if not filecmp.cmp(f, test.built_file_path(os.path.join('dest', f))):

      test.fail_test()

  test.pass_test()