gyptest-generator-output-different-drive.py

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#!/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.

"""

Test that the generator output can be written to a different drive on Windows.

"""

import os

import TestGyp

import string

import subprocess

import sys

if sys.platform == 'win32':

  import win32api

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

  def GetFirstFreeDriveLetter():

    """ Returns the first unused Windows drive letter in [A, Z] """

    all_letters = [c for c in string.ascii_uppercase]

    in_use = win32api.GetLogicalDriveStrings()

    free = list(set(all_letters) - set(in_use))

    return free[0]

  output_dir = os.path.join('different-drive', 'output')

  if not os.path.isdir(os.path.abspath(output_dir)):

    os.makedirs(os.path.abspath(output_dir))

  output_drive = GetFirstFreeDriveLetter()

  subprocess.call(['subst', '%c:' % output_drive, os.path.abspath(output_dir)])

  try:

    test.run_gyp('prog.gyp', '--generator-output=%s' % (

        os.path.join(output_drive, 'output')))

    test.build('prog.gyp', test.ALL, chdir=os.path.join(output_drive, 'output'))

    test.built_file_must_exist('program', chdir=os.path.join(output_drive,

                                                             'output'),

                               type=test.EXECUTABLE)

    test.pass_test()

  finally:

    subprocess.call(['subst', '%c:' % output_drive, '/D'])