"""Tests for distutils.dist."""

from distutils import sysconfig

import os

import unittest

from test.test_support import TESTFN

class SysconfigTestCase(unittest.TestCase):

    def test_get_config_h_filename(self):

        config_h = sysconfig.get_config_h_filename()

        self.assert_(os.path.isfile(config_h), config_h)

    def test_get_python_lib(self):

        lib_dir = sysconfig.get_python_lib()

        # XXX doesn't work on Linux when Python was never installed before

        #self.assert_(os.path.isdir(lib_dir), lib_dir)

        # test for pythonxx.lib?

    def test_get_python_inc(self):

        # The check for srcdir is copied from Python's setup.py,

        # and is necessary to make this test pass when building

        # Python in a directory other than the source directory.

        (srcdir,) = sysconfig.get_config_vars('srcdir')

        if not srcdir:

            inc_dir = sysconfig.get_python_inc()

        else:

            # This test is not really a proper test: when building

            # Python from source, even in the same directory,

            # we won't be testing the same thing as when running

            # distutils' tests on an installed Python. Nevertheless,

            # let's try to do our best: if we are running Python's

            # unittests from a build directory that is not the source

            # directory, the normal inc_dir will exist, it will just not

            # contain anything of interest.

            inc_dir = sysconfig.get_python_inc()

            self.assert_(os.path.isdir(inc_dir))

            # Now test the source location, to make sure Python.h does

            # exist.

            inc_dir = os.path.join(os.getcwd(), srcdir, 'Include')

            inc_dir = os.path.normpath(inc_dir)

        self.assert_(os.path.isdir(inc_dir), inc_dir)

        python_h = os.path.join(inc_dir, "Python.h")

        self.assert_(os.path.isfile(python_h), python_h)

    def test_get_config_vars(self):

        cvars = sysconfig.get_config_vars()

        self.assert_(isinstance(cvars, dict))

        self.assert_(cvars)

def test_suite():

    suite = unittest.TestSuite()

    suite.addTest(unittest.makeSuite(SysconfigTestCase))

    return suite