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- """
- Test suite for OS X interpreter environment variables.
- """
- from test.support.os_helper import EnvironmentVarGuard
- import subprocess
- import sys
- import sysconfig
- import unittest
- @unittest.skipUnless(sys.platform == 'darwin' and
- sysconfig.get_config_var('WITH_NEXT_FRAMEWORK'),
- 'unnecessary on this platform')
- class OSXEnvironmentVariableTestCase(unittest.TestCase):
- def _check_sys(self, ev, cond, sv, val = sys.executable + 'dummy'):
- with EnvironmentVarGuard() as evg:
- subpc = [str(sys.executable), '-c',
- 'import sys; sys.exit(2 if "%s" %s %s else 3)' % (val, cond, sv)]
- # ensure environment variable does not exist
- evg.unset(ev)
- # test that test on sys.xxx normally fails
- rc = subprocess.call(subpc)
- self.assertEqual(rc, 3, "expected %s not %s %s" % (ev, cond, sv))
- # set environ variable
- evg.set(ev, val)
- # test that sys.xxx has been influenced by the environ value
- rc = subprocess.call(subpc)
- self.assertEqual(rc, 2, "expected %s %s %s" % (ev, cond, sv))
- def test_pythonexecutable_sets_sys_executable(self):
- self._check_sys('PYTHONEXECUTABLE', '==', 'sys.executable')
- if __name__ == "__main__":
- unittest.main()
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