gyptest-needed-variables.py

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#!/usr/bin/env python

# Copyright (c) 2015 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.

"""

Verifies builds are the same even with different PYTHONHASHSEEDs.

Tests needed_variables.

"""

import os

import sys

import TestGyp

test = TestGyp.TestGyp()

if test.format == 'ninja':

  os.environ["PYTHONHASHSEED"] = "1"

  test.run_gyp('needed-variables.gyp')

  base = open(test.built_file_path('test.ninja', subdir='obj')).read()

  for i in range(1,5):

    os.environ["PYTHONHASHSEED"] = str(i)

    test.run_gyp('needed-variables.gyp')

    contents = open(test.built_file_path('test.ninja', subdir='obj')).read()

    if base != contents:

      test.fail_test()

  del os.environ["PYTHONHASHSEED"]

  test.pass_test()