gyptest-missing.py

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#!/usr/bin/env python

# Copyright (c) 2012 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 that missing 'sources' files are treated as fatal errors when the

the generator flag 'msvs_error_on_missing_sources' is set.

"""

import TestGyp

import os

import sys

if sys.platform == 'win32':

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

  # With the flag not set

  test.run_gyp('hello_missing.gyp')

  # With the flag explicitly set to 0

  try:

    os.environ['GYP_GENERATOR_FLAGS'] = 'msvs_error_on_missing_sources=0'

    test.run_gyp('hello_missing.gyp')

  finally:

    del os.environ['GYP_GENERATOR_FLAGS']

  # With the flag explicitly set to 1

  try:

    os.environ['GYP_GENERATOR_FLAGS'] = 'msvs_error_on_missing_sources=1'

    # Test to make sure GYP raises an exception (exit status 1). Since this will

    # also print a backtrace, ensure that TestGyp is not checking that stderr is

    # empty by specifying None, which means do not perform any checking.

    # Instead, stderr is checked below to ensure it contains the expected

    # output.

    test.run_gyp('hello_missing.gyp', status=1, stderr=None)

  finally:

    del os.environ['GYP_GENERATOR_FLAGS']

  test.must_contain_any_line(test.stderr(),

                            ["Missing input files:"])

  test.pass_test()