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Viewing changes to Lib/test/test_osx_env.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-03-23 00:01:27 UTC
  • Revision ID: james.westby@ubuntu.com-20090323000127-5fstfxju4ufrhthq
Tags: upstream-3.1~a1+20090322
Import upstream version 3.1~a1+20090322

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