Method test_help_env

Lib/test/test_cmd_line.py:60–70

(self)

    @support.cpython_only
    def test_help_env(self):
        out = self.verify_valid_flag('--help-env')
        self.assertIn(b'PYTHONHOME', out)
        # Env vars in each section should be sorted alphabetically
        # (ignoring underscores so PYTHON_FOO and PYTHONFOO intermix naturally)
        sort_key = lambda name: name.replace(b'_', b'').lower()
        sections = out.split(b'These variables have equivalent')
        for section in sections:
            envvars = re.findall(rb'^(PYTHON\w+)', section, re.MULTILINE)
            self.assertEqual(envvars, sorted(envvars, key=sort_key),
                             "env vars should be sorted alphabetically")

    @support.cpython_only
    def test_help_xoptions(self):